Round

Round 2

Round 2

Did not identify Door handle after 40 counted questions.

Back to all Door handle rounds
Questions
40 Scored as 41
Outcome
Question limit reached
Format errors
No errors
Duration
12m 8s
Round cost
$0.4817 All 41 turns

Transcript

Questions and answers.

Turns are shown in the order they happened. Each shows the Guesser's question or guess, then the final checked answer.

Exact Guesser setupSystem message and BEGIN event

The Guesser received these messages at the start of the round. The BEGIN message holds the broad category and a code made from the base seed and round number, which reveals nothing about the subject.

System message
You are the Guesser in a Twenty Questions benchmark. Identify the hidden subject using as few
counted turns as possible. BEGIN provides only its broad category. The variation_token has no
clues; do not interpret, mention, or repeat it.

The category in BEGIN has a broad meaning:
- person: a real human, living or historical.
- fictional_character: an invented character from a story, book, comic, film, television,
  game, or another fictional work.
- mythological_figure: a figure from mythology or traditional legend.
- video_game_character: a character known from video games.
- thing: a broad category covering natural and human-made entities, living or nonliving,
  whole entities or parts of them. Possibilities include everyday objects, tools, machines,
  materials, food, animals, plants, body parts, natural structures, geographical features,
  celestial bodies, natural phenomena, and concepts. These possibilities are not exhaustive.
  The target may be a general kind or one particular instance.

Use questions to narrow the supplied category. These definitions are not a list of targets.

Use ASK for a factual question that distinguishes candidates. Never use ASK to confirm a
specific identity. Use GUESS with a name and short identifying description to name a candidate.

ASK has five possible replies:
- YES or NO: the evidence establishes that answer to the exact question.
- RATHER_YES or RATHER_NO: evidence leans that way, but is not strong enough for a firm answer.
  Treat this as a clue; keep candidates fitting the opposite answer possible.
- UNKNOWN: no reliable direction. It supports neither answer.

Ask clear questions about verifiable properties. "Can", "sometimes", "usually", "always", and
"mainly" ask different things. Do not assume that one property proves another or rules out alternatives.
Qualified replies express uncertainty about your question, not how often a property applies.
Before narrowing heavily, check your key assumption with a different property. After rejected
guesses, reconsider earlier assumptions as well as candidates. Answers can be mistaken; check
another property when stuck. Do not ignore an answer merely because it conflicts with a
preferred candidate.

Each ASK, rejected GUESS, or format error before the limit costs one turn. A correct GUESS costs
none. After 40 counted turns, make one final GUESS; ASK is then forbidden. Identity
validation uses only YES, NO, or UNKNOWN. UNKNOWN on GUESS ends the game without success.

FORMAT_ERROR means your output broke the contract, was not checked for correctness, and cost
one turn. Retry using its displayed formats if a turn remains. Return only the required JSON
object with exactly one result action. No explanations, reasoning, or extra fields.
BEGIN event
{"category":"thing","event":"BEGIN","variation_token":"BKXG3AZI"}

Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.

Q1
1 · Guesser asks

Is it a physical, tangible object or substance?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a physical, tangible object or substance?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

Dictionary.com describes a door handle as the handle used to open and close a door, noting that it may be a rounded knob or a fixed vertical or horizontal bar.

Open dictionary.com (opens in a new tab)
2 · Answer check returns Yes
Q2
1 · Guesser asks

Is it alive or derived from a living organism (such as an animal, plant, or fungus)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it alive or derived from a living organism (such as an animal, plant, or fungus)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

A door handle is the handle used to open and close a door. ... Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.

Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q3
1 · Guesser asks

Is it manufactured or created by humans?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it manufactured or created by humans?"}}
Oracle evidence1 model-reported source

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The source describes a door handle or doorknob as a handle used to open or close a door and states that door handles are manufactured to fit standardized door locking or latching mechanisms.

Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns Yes
Q4
1 · Guesser asks

Is it a unique, specific individual entity or structure (as opposed to a general class or type of object)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a unique, specific individual entity or structure (as opposed to a general class or type of object)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02
A door handle is the handle used to open and close a door. Sometimes, it means the same thing as doorknob. ... Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.
Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q5
1 · Guesser asks

Does it typically require electricity or electronic components to function?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it typically require electricity or electronic components to function?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The guide distinguishes ordinary mechanical door hardware, including knob, lever, handle-set and pull designs, from electrified hardware. It states that electrified hardware uses power to control the locking and unlocking of the door.

Open us.allegion.com (opens in a new tab)
Source 03

Source summary (model-reported)

The source discusses electronic door handles for vehicles and says that electronic components can be integrated into some door handles, including for passive entry and lighting.

Open huf-group.com (opens in a new tab)
2 · Answer check returns No
Q6
1 · Guesser asks

Is it generally small and light enough to be held or carried in one hand?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it generally small and light enough to be held or carried in one hand?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The listed product is a door handle described as 19-3/4 inches in length, and the page reports that the DH6A-SSS door handle weighs approximately 4 lbs each.

Open mockett.com (opens in a new tab)
Source 03

Source summary (model-reported)

The page states that door handles come in different sizes and commonly fit residential doors approximately 1-3/8 to 1-3/4 inches thick; it also identifies a standard bore-hole size of 2-1/8 inches.

Open doordodo.com (opens in a new tab)
2 · Answer check returns Yes
Q7
1 · Guesser asks

Is it primarily made of metal?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily made of metal?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

In the U.S., most door knobs and levers are made from brass. Historically, door knobs and levers have been made from glass, wood, clay, bronze, brass, iron, and steel. Today, most door hardware in the U.S. is brass, but you’ll also find options made from bronze, stainless steel, iron, pewter, and other metals.

Open brennancorp.com (opens in a new tab)
Source 02

Source summary (model-reported)

Door handles can be made from various materials depending on the style, function, and budget. Common materials listed include brass, stainless steel, zinc alloy, aluminum, and bronze. Plastic or PVC handles are also possible, particularly for less expensive or temporary applications.

Open atlantichandles.com (opens in a new tab)
Source 03

Source summary (model-reported)

The manufacturer’s door-handle range lists materials including aerospace-grade aluminum, brass, solid brass, stainless steel, and zinc, alongside numerous metal finishes.

Open frelanhardware.co.uk (opens in a new tab)
2 · Answer check returns Yes
Q8
1 · Guesser asks

Is it primarily used as a tool, utensil, or fastener?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used as a tool, utensil, or fastener?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

A door handle is the handle used to open and close a door. ... Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.

Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q9
1 · Guesser asks

Is it primarily worn on the human body, such as jewelry or an accessory?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily worn on the human body, such as jewelry or an accessory?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q10
1 · Guesser asks

Is it primarily used as a form of currency or money?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used as a form of currency or money?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q11
1 · Guesser asks

Is it designed to produce sound, such as a musical instrument, bell, or whistle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to produce sound, such as a musical instrument, bell, or whistle?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 03

Source summary (model-reported)

Typical non-electronic door chimes have parts that move when the door swings open or closes, and these parts hit each other to produce sound. The source discusses door chimes, not ordinary door handles.

Open yankodesign.com (opens in a new tab)
2 · Answer check returns No
Q12
1 · Guesser asks

Is it designed to contain, hold, or store other substances or items?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to contain, hold, or store other substances or items?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

It consists of a handle/lever on a backplate which when pushed down turns the spindle which passes through the door and the tubular latch inside the door allowing the door to be opened. ... Pull handles ... are designed for pulling the door open or closed.

Open atlantichandles.com (opens in a new tab)
Source 02

Source summary (model-reported)

Typically designed with a circular handle, door knobs need to be rotated in either direction for the door they're installed in, to either open or close. ... Pull handles ... are usually found on patio doors, sliding doors, as well as regular hinged doors.

Open hiatt-hardware.com (opens in a new tab)
2 · Answer check returns No
Q13
1 · Guesser asks

Is it primarily used for security, locking, or unlocking (such as a lock, padlock, or key)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for security, locking, or unlocking (such as a lock, padlock, or key)?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
A passage door knob or lever is a handle set without an internal locking mechanism. The handle set will open and close by simply turning the knob or lever.
Open emtek.com (opens in a new tab)
Source 02
Passage Function ... is used for doors where no locking is required. The knobs or levers freely operate the latch. Privacy Function ... is usually used on bathroom doors, and any other door that needs to be locked from the inside.
Open hardwarehut.com (opens in a new tab)
Source 03

Source summary (model-reported)

Keyed options are often used for an added level of security. A keyed handle set includes a keyed cylinder and is often used on exterior doors or interior doors that should be kept locked with a key.

Open emtek.com (opens in a new tab)
2 · Answer check returns No
Q14
1 · Guesser asks

Is it typically a component or part of a larger machine, mechanism, or device?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically a component or part of a larger machine, mechanism, or device?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
The handle/lever/knob is the part of a door lock that allows you to operate the lock. The handle allows you to operate the latch by pushing it down or lifting it, while a lever is usually a straight or slightly curved handle providing better grip and ease of use.
Open us.eufy.com (opens in a new tab)
Source 02
The invention relates to a fitting for actuating a mechanism in a door or window, which has a handle ... a drive pin for actuating the mechanism in the door or window, and a coupling element for coupling the handle to the drive pin.
Open patents.justia.com (opens in a new tab)
2 · Answer check returns Yes
Q15
1 · Guesser asks

Does it have teeth or cogs designed to mesh with another part, such as a gear or sprocket?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it have teeth or cogs designed to mesh with another part, such as a gear or sprocket?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

A spindle is a metal rod, usually made of steel, that connects two handles or two door knobs on either side of a door... The spindle connects the handles on either side of the door and allows the latch bolt to operate. ... When you use the handle or turn the door knob, the spindle turns to operate the latch within the door.

Open doorhandlestore.com (opens in a new tab)
Source 02

Source summary (model-reported)

A door handle assembly patent describes a specialized mounting with a series of ratchet teeth and complementary teeth for adjustment. The teeth are part of that particular mounting assembly, rather than an ordinary defining feature of door handles generally.

Open patents.justia.com (opens in a new tab)
Source 03

Source summary (model-reported)

Each handle is different... Whether you opt for a Lever-on-Rose, a Lever-on-Backplate or a Door Knob, however, they each share similar main components: the lever or knob, the latch mechanism, the strike plate, and the door lock, should your door require one.

Open doorhandlestore.com (opens in a new tab)
2 · Answer check returns No
Q16
1 · Guesser asks

Is it designed to store mechanical energy, absorb shock, or provide tension through its elasticity, such as a spring?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to store mechanical energy, absorb shock, or provide tension through its elasticity, such as a spring?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

A return spring assembly for returning a handle to the horizontal orientation includes ... A spring is driven by two spring drivers ... to alternately compress the spring from opposite directions as the handle is rotated in opposite directions.

Open patents.google.com (opens in a new tab)
Source 02

Source summary (model-reported)

Sprung Doorknobs ... contain a spring cassette fixed to the back of the doorknob that allows the Sprung Doorknob to return to its original position after use. Our Sprung Doorknobs ... [are distinguished from] Unsprung Doorknobs.

Open doorhandlestore.com (opens in a new tab)
2 · Answer check returns Unknown
Q17
1 · Guesser asks

Is it designed to facilitate rotation or reduce friction between moving parts, such as a bearing or bushing?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to facilitate rotation or reduce friction between moving parts, such as a bearing or bushing?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

A door handle is the handle used to open and close a door. ... Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.

Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q18
1 · Guesser asks

Is it typically found within an internal combustion engine or motor vehicle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically found within an internal combustion engine or motor vehicle?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
A single unit door handle assembly for snap fastening in the door of a motor vehicle... The inner door handle according to this invention is disposed in the forward portion of the door panel and incorporated in the door structure.
Open patents.justia.com (opens in a new tab)
Source 02

Source summary (model-reported)

Car door handles allow entry into and out of the vehicle... There are long metal rods within the handle that go to the door latch. Door handles are listed among the basic external parts of a car door.

Open engineeringchoice.org (opens in a new tab)
2 · Answer check returns Yes
Q19
1 · Guesser asks

Does it move linearly back and forth (reciprocate) during normal operation?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it move linearly back and forth (reciprocate) during normal operation?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The most common type of door handle is the lever latch or latch door handle... Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door... The doorknob has a spindle... Pushing the lever or turning the knob pulls the cylinder in the direction of the turn.

Open en.wikipedia.org (opens in a new tab)
Source 02

Source summary (model-reported)

Door handles are attached to the door and as you rotate the knob it moves a lever that releases or engages the latch... When you push down on the knob, it turns the spindle. The spindle then pushes or pulls the lever up or down... This action releases or engages the latch.

Open manovelladesign.com (opens in a new tab)
2 · Answer check returns No
Q20
1 · Guesser asks

Does it regulate, direct, or seal the flow of a fluid (liquid or gas)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it regulate, direct, or seal the flow of a fluid (liquid or gas)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
A passage door knob or lever is a handle set without an internal locking mechanism. The handle set will open and close by simply turning the knob or lever.
Open emtek.com (opens in a new tab)
2 · Answer check returns No
Q21
1 · Guesser asks

Is it part of a vehicle's suspension, braking, or steering system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it part of a vehicle's suspension, braking, or steering system?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

A vehicular door handle assembly for opening a vehicle door ... [includes] a door grip ... connected to a bellcrank ... [that] releases the latch mechanism.

Open patents.google.com (opens in a new tab)
2 · Answer check returns No
Q22
1 · Guesser asks

Is it located inside the engine compartment or powertrain of the vehicle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it located inside the engine compartment or powertrain of the vehicle?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 03

Source summary (model-reported)

Handle used to open the door from the inside. The listing identifies the item as an interior door handle and categorizes it under vehicle body and doors.

Open ford.com (opens in a new tab)
2 · Answer check returns No
Q23
1 · Guesser asks

Is it attached to the exterior or interior body of a vehicle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it attached to the exterior or interior body of a vehicle?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The supplied description identifies the target as a handle fitting used to open and close a building door and explicitly distinguishes it from the whole door, lock mechanism, and handle material. The referenced page describes door handles as commonly used on residential, commercial, public, and interior building doors.

Open en.wikipedia.org (opens in a new tab)
Source 02

Source summary (model-reported)

The dictionary notes that “door handle” can sometimes refer to the handle used to open a car door, while also defining it generally as a handle used to open and close a door.

Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q24
1 · Guesser asks

Is it part of a wheel or tire assembly?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it part of a wheel or tire assembly?"}}
Oracle evidence1 model-reported source

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q25
1 · Guesser asks

Is it an internal component of an engine or motor?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it an internal component of an engine or motor?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q26
1 · Guesser asks

Is it part of a vehicle's exhaust or emissions system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it part of a vehicle's exhaust or emissions system?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The source describes common door handles as lever latches or knobs used in residential houses and commercial and public buildings; operating the handle operates the door latch.

Open en.wikipedia.org (opens in a new tab)
Source 02

Source summary (model-reported)

The source lists major vehicle exhaust-system components including exhaust manifolds, catalytic converters, resonators, exhaust pipes, mufflers, and tailpipes.

Open partsource.ca (opens in a new tab)
Source 03

Source summary (model-reported)

The patent describes an automotive door-handle system as including a door handle and body panel; the handle actuates the vehicle door latch so the door can be opened.

Open patents.justia.com (opens in a new tab)
2 · Answer check returns No
Q27
1 · Guesser asks

Is its primary function to transmit motion, mechanical force, or torque (such as a shaft, rod, lever, or linkage)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is its primary function to transmit motion, mechanical force, or torque (such as a shaft, rod, lever, or linkage)?"}}
Oracle evidence1 model-reported source

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The most common type of door handle is the lever latch or latch door handle... The door handle has only a lever handle or knob which operates this latch. Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened.

Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns Rather yes
Q28
1 · Guesser asks

Does it primarily rotate or spin around an axis during its operation?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it primarily rotate or spin around an axis during its operation?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The most common type of door handle is the lever latch or latch door handle... Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door... The doorknob has a spindle... Pushing the lever or turning the knob pulls the cylinder in the direction of the turn.

Open en.wikipedia.org (opens in a new tab)
Source 02

Source summary (model-reported)

Inside almost every knob or lever is a square metal bar called a spindle... when you turn either side, the bar rotates and retracts the latch bolt.

Open frame-well.com (opens in a new tab)
2 · Answer check returns Yes
Q29
1 · Guesser asks

Does it feature a grooved rim designed to hold and guide a flexible belt, rope, or cable, such as a pulley or sheave?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it feature a grooved rim designed to hold and guide a flexible belt, rope, or cable, such as a pulley or sheave?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The most common type of door handle is the lever latch or latch door handle... The door handle has only a lever handle or knob which operates this latch. Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened.

Open en.wikipedia.org (opens in a new tab)
Source 02

Source summary (model-reported)

A door handle is the handle used to open and close a door. Sometimes, it means the same thing as doorknob... Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.

Open dictionary.com (opens in a new tab)
Source 03

Source summary (model-reported)

A pulley, in mechanics, is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. Pulleys with grooved rims are called sheaves.

Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q30
1 · Guesser asks

Is its primary purpose to store rotational kinetic energy or provide momentum due to its rotational inertia (such as a flywheel)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is its primary purpose to store rotational kinetic energy or provide momentum due to its rotational inertia (such as a flywheel)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The supplied subject description identifies a door handle as a hand-operated fitting used to open and close a building door, and distinguishes it from the whole door, lock mechanism, and handle material.

Open en.wikipedia.org (opens in a new tab)
Source 02

Source summary (model-reported)

The source describes flywheels as storing kinetic energy and being used to smooth energy fluctuations and make energy flow more uniform in intermittent operating machines.

Open engineeringtoolbox.com (opens in a new tab)
2 · Answer check returns No
Q31
1 · Guesser asks

Is it a coupling or joint used to connect rotating shafts together (such as a universal joint or shaft coupling)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a coupling or joint used to connect rotating shafts together (such as a universal joint or shaft coupling)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The source distinguishes building fixtures such as door handles, which are used to pull items open or closed or actuate a latch, from hand wheels and other handles that transmit force to machinery shafts.

Open designworldonline.com (opens in a new tab)
2 · Answer check returns No
Q32
1 · Guesser asks

Does it convert rotary motion into linear motion, or vice versa (such as a cam, crank, or leadscrew)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it convert rotary motion into linear motion, or vice versa (such as a cam, crank, or leadscrew)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

When the handle is pulled/rotated, the action is carried by the spindle into the cylinder, which turns clockwise or anticlockwise depending on its orientation. The movement of the cylinder causes the attached bolt to be forced across the door’s internal face, sliding in/out of the frame’s latch receptacle.

Open howitworksdaily.com (opens in a new tab)
Source 02

Source summary (model-reported)

The invention relates basically to a lever handle ... by means of rotatable shaft or spindle 30. ... A user withdraws the latch bolt from the catch mechanism, drawing the latch bolt back into the door body, by rotating handle 20 and spindle 30.

Open patents.justia.com (opens in a new tab)
2 · Answer check returns Yes
Q33
1 · Guesser asks

Does it consist of an arm, lever, or handle projecting outward from an axis of rotation (such as a crank)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it consist of an arm, lever, or handle projecting outward from an axis of rotation (such as a crank)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns Yes
Q34
1 · Guesser guesses

crank

a mechanical arm or lever attached to a rotating shaft to convert between rotary and reciprocating motion

Validator rationale A crank is a mechanical motion-conversion component, not a door handle fitting used to operate a building door.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"a mechanical arm or lever attached to a rotating shaft to convert between rotary and reciprocating motion","name":"crank","question":null}}
2 · Validator returns No
Q35
1 · Guesser asks

Is it primarily operated by human manual force (such as a hand or foot) rather than powered by an engine or motor?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily operated by human manual force (such as a hand or foot) rather than powered by an engine or motor?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

A handle is a part of, or an attachment to, an object that allows it to be grasped and manipulated by hand. Many doors use twist handles.

Open wikimili.com (opens in a new tab)
Source 02

Source summary (model-reported)

The standard distinguishes manual operation, defined as the capability of rotating a revolving door by a person applying a force to a door wing, from an automatic door operator, which is a power-operated mechanism.

Open ansi.org (opens in a new tab)
2 · Answer check returns Yes
Q36
1 · Guesser asks

Is it designed to be operated primarily by a person's foot (rather than by hand)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to be operated primarily by a person's foot (rather than by hand)?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The supplied subject description identifies a door handle as the hand-operated fitting used to open and close a building door, and distinguishes it from the whole door, lock mechanism, and handle material.

Open en.wikipedia.org (opens in a new tab)
Source 02

Source summary (model-reported)

The page describes door handles or doorknobs as handles used to open or close a door and lists many types of door handles for residential, commercial, internal, cupboard, and vehicle doors.

Open lockdoctor.biz (opens in a new tab)
Source 03

Source summary (model-reported)

The product is described as a foot-operated, hands-free door opener that avoids contact with door handles, distinguishing the foot-operated opener from the door handle itself.

Open amazon.com (opens in a new tab)
2 · Answer check returns No
Q37
1 · Guesser asks

Is it primarily used to manually start an internal combustion engine (such as a starting handle or hand crank)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used to manually start an internal combustion engine (such as a starting handle or hand crank)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
A lift handle is a handle attached to the door that allows you to manually open or close a door. The lift handles and pull ropes are intended for use with a door that is opened and closed by hand.
Open raynor.com (opens in a new tab)
Source 02

Source summary (model-reported)

The discussion describes using a vehicle's starting handle to crank the engine, including instructions about the crank position and repeated cranking attempts to start the motor.

Open forums.aaca.org (opens in a new tab)
2 · Answer check returns No
Q38
1 · Guesser asks

Is it primarily used to raise or lower a window (such as a window crank or winder handle)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used to raise or lower a window (such as a window crank or winder handle)?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

A window handle is a short length of material that attaches to a window to aid rotation of the hinge and therefore opening and closing of the window.

Open wikipedia.org (opens in a new tab)
Source 03

Source summary (model-reported)

The source distinguishes window hardware from door hardware and states that crank handles are used specifically on casement and awning windows to crank them open and close.

Open simonton.com (opens in a new tab)
2 · Answer check returns No
Q39
1 · Guesser asks

Is it used to change gears or control the transmission of a vehicle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used to change gears or control the transmission of a vehicle?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The source identifies a gear shift mechanism for a manual automotive transmission and describes mechanisms for shifting or controlling vehicle transmissions; it does not identify a door handle as that control.

Open patents.google.com (opens in a new tab)
2 · Answer check returns No
Q40
1 · Guesser asks

Is it a component of a seat, designed to adjust its position or angle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a component of a seat, designed to adjust its position or angle?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

Ford describes a separate “Seat Back Recliner Adjustment Handle” as a handle used to adjust the recline angle of the seat back.

Open ford.com (opens in a new tab)
2 · Answer check returns No
G
1 · Guesser guessesNot counted

lever

a rigid beam or arm pivoting around a fixed fulcrum to transmit force and motion

Validator rationale The proposal identifies a generic mechanical lever, not the hand-operated fitting used to open and close a building door.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"a rigid beam or arm pivoting around a fixed fulcrum to transmit force and motion","name":"lever","question":null}}
2 · Validator returns No