#mechanism device consisting of a piece of machinery; has moving parts that perform some function
supertype: #device an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
subtype: #action_mechanism__action the operating part that transmits power to a mechanism; "the piano had a very stiff action"
subtype: #gunlock__firing_mechanism the action that ignites the charge in a firearm
subtype: #flintlock a gunlock that has flint embedded in the hammer; the flint makes a spark that ignites the charge
subtype: #wheel_lock__wheellock an obsolete gunlock using flint and a revolving wheel
subtype: #movement.action_mechanism the driving and regulating parts of a mechanism (as of a watch or clock); "it was an expensive watch with a diamond movement"
subtype: #piano_action__pianoaction action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed
subtype: #pump_action__slide_action__slideaction action mechanism in a modern rifle or shotgun; a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round
subtype: #actuator a mechanism that puts something into automatic action
subtype: #rotary_actuator__positioner (computer science) the actuator that moves a read/write head to the proper data track
subtype: #robot__automaton__golem a mechanism that can move automatically
subtype: #android__humanoid__mechanical_man an automaton that resembles a human being
subtype: #axis_of_rotation__axis the center around which something rotates
subtype: #pivot.axis_of_rotation__pin axis consisting of a short shaft that supports something that turns
subtype: #fulcrum the pivot about which a lever turns
subtype: #pintle a pin or bolt forming the pivot of a hinge
subtype: #rotor_head__rotorhead__rotor_shaft__rotorshaft the axis around which the major rotor of a helicopter turns
subtype: #carriage a machine part that carries something else
subtype: #typewriter_carriage a carriage for carrying a sheet of paper
subtype: #cartridge_ejector__cartridgeejector__ejector a mechanism in a firearm that ejects the empty shell case after firing
subtype: #cartridge_extractor__cartridgeextractor__cartridge_remover__cartridgeremover__extractor a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector
subtype: #clockwork any mechanism of geared wheels that is driven by a coiled spring; resembles the works of a mechanical clock
subtype: #controller__control a mechanism that controls the operation of a machine; "the speed control on his turntable was not working properly"; "I turned the controls over to her"
subtype: #cruise_control control mechanism for keeping an automobile at a set speed
subtype: #dial.controller the control on a radio or television set that is used for tuning
subtype: #disk_controller (computer science) a circuit or chip that translates commands into a form that can control a hard disk drive
subtype: #governor.controller__regulator a control that maintains a steady speed in a machine (as by controlling the supply of fuel)
subtype: #timer.governor a regulator that activates or deactivates a mechanism at set times
subtype: #handwheel control consisting of a wheel whose rim serves as the handle by which a part is operated
subtype: #steering_wheel__wheel a handwheel that is used for steering
subtype: #joystick a manual control consisting of a vertical handle that can move freely in two directions; used as an input device to computers or to devices controlled by computers
subtype: #regulator any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.
subtype: #aperture a device that controls amount of light admitted
subtype: #ballcock__ball_cock floating ball that controls level in a water tank
subtype: #draft.regulator a regulator for controlling the flow of air in a fireplace
subtype: #faucet a regulator for controlling the flow of a liquid from a reservoir
subtype: #mixing_faucet single faucet for separate hot and cold water pipes
subtype: #stopcock__cock__turncock faucet consisting of a rotating device for regulating flow of a liquid
subtype: #water_faucet__waterfaucet__water_tap__watertap__tap__spigot__hydrant a faucet for drawing water from a pipe or cask
subtype: #flywheel regulator consisting of a heavy wheel that stores kinetic energy and smoothes the operation of a reciprocating engine
subtype: #peg regulator that can be turned to regulate the pitch of the strings of a stringed instrument
subtype: #petcock regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining
subtype: #register.regulator a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device
subtype: #safety_valve__relief_valve__escape_valve__escape_cock__escape a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
subtype: #sluicegate__sluice_valve__floodgate__penstock__head_gate__water_gate__watergate regulator consisting of a valve or gate that controls the rate of water flow through a sluice
subtype: #thermostat__thermoregulator a regulator for automatically regulating temperature by starting or stopping the supply of heat
subtype: #cryostat a thermostat that operates at very low temperatures
subtype: #pyrostat a thermostat that operates at very high temperatures
subtype: #switch__switch_device control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
subtype: #commutator switch for reversing the direction of an electric current
subtype: #ignition_switch switch that operates a solenoid that closes a circuit to operate the starter
subtype: #push_button__push__button an electrical switch operated by pressing a button; "the elevator was operated by push buttons"; "the push beside the bed operated a buzzer at the desk"
subtype: #bell_push a button that is pushed to ring a bell
subtype: #doorbell__bell__buzzer a push button at an outer door that gives a ringing or buzzing signal when pushed
subtype: #night_bell__nightbell a doorbell to be used at night
subtype: #horn_button a button that you press to activate the horn of an automobile
subtype: #mouse_button__mousebutton a push button on the mouse
subtype: #reset_button__resetbutton a push button that you press to activate the reset mechanism
subtype: #selector_switch__selector a switch that is used to select among alternatives
subtype: #telephone_dial__telephonedial__dial a disc on a telephone that is rotated a fixed distance for each number called
subtype: #time-switch a switch set to operate at a desired time
subtype: #toggle_switch__toggle__on-off_switch a hinged switch that can assume either of two positions
subtype: #DIP_switch__dual_inline_package_switch (computer science) one of a set of small on-off switches mounted in computer hardware; used in place of jumpers to configure the machine for a user
subtype: comms#switching_object__switchingobject
subtype: comms#toll_switch
subtype: comms#office_switch
subtype: comms#tandem_switch
subtype: comms#router
subtype: comms#PBX public branch exchange
subtype: comms#international_gateway international switch
subtype: #valve control consisting of a mechanical device for controlling the flow of a fluid
subtype: #throttle__accelerator__throttle_valve a valve that regulates the supply of fuel to the engine
subtype: #ball_valve any valve that checks flow by the seating of a ball
subtype: #butterfly_valve__butterflyvalve a valve in a carburetor that consists of a disc that turns and acts as a throttle
subtype: #choke a valve that controls the flow of air into the carburetor of a gasoline engine
subtype: #automatic_choke a choke that automatically controls the flow of air to the carburetor
subtype: #clack_valve__clackvalve__clack__clapper_valve__clappervalve a simple valve with a hinge on one side; allows fluid to flow in only one direction
subtype: #exhaust_valve__exhaustvalve a valve through which burned gases from a cylinder escape into the exhaust manifold
subtype: #intake_valve a valve that controls the flow of fluid through an intake
subtype: #poppet_valve__poppet a mushroom-shaped valve that rises perpendicular from its seat; commonly used in internal-combustion engines
subtype: #safety_valve__relief_valve__escape_valve__escape_cock__escape a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
subtype: #slide_valve__slidevalve valve that opens and closes a passageway by sliding over a port
subtype: #cooling_system__coolingsystem__cooling a mechanism for keeping something cool; "the cooling was overhead fans"
subtype: #air-conditioner__airconditioner__air-conditioning__airconditioning a system that keeps air cool and dry
subtype: #coolant_system__coolantsystem a cooling system that uses a fluid to transfer heat from one place to another
subtype: #cooling_tower__coolingtower a cooling system used in industry to cool hot water (by partial evaporation) before reusing it as a coolant
subtype: #evaporative_cooler__evaporativecooler a cooing system that cools by evaporation
subtype: #refrigeration_system__refrigerationsystem a cooling system for chilling or freezing (usually for preservative purposes)
subtype: #delayed_action__delayedaction a mechanism that automatically delays the release of a camera shutter for a fixed period of time so that the photographer can appear in the picture
subtype: #drive.mechanism a mechanism by which force or power is transmitted in a machine; "a variable speed drive permitted operation through a range of speeds"
subtype: #drive_line_system__drive_line__driveline mechanism that transmits power from the engine to the driving wheels of a motor vehicle
subtype: #film_advance a mechanism for advancing film in a camera or projector
subtype: #gear_mechanism__gear a mechanism for transmitting motion by gears for some specific purpose (as the steering gear of a vehicle)
subtype: #first_gear__firstgear__first__low_gear__lowgear__low the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving
subtype: #gearset a set of gears
subtype: #high_gear__high a forward gear with a gear ratio giving high vehicle velocity for a given engine speed
subtype: #overdrive a high gear used at high speeds to maintain the driving speed with less output power
subtype: #park.gear_mechanism a gear position that acts as a parking brake; "the put the car in park and got out"
subtype: #reverse the gears by which the motion of a machine can be reversed
subtype: #second_gear__second the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle; "he had to shift down into second to make the hill"
subtype: #steering_gear a gear that couples the the steering wheel to the steering linkage of a motor vehicle
subtype: #third_gear__thirdgear__third the third from the lowest forward ratio gear in the gear box of a motor vehicle; "you shouldn't try to start in third gear"
subtype: #transmission_system__transmission the gears that transmit power from an automobile engine via the driveshaft to the live axle
subtype: #automatic_transmission__automatictransmission__automatic_drive__automaticdrive a transmission that automatically changes the gears according to the speed of the car
subtype: #four-wheel_drive__4WD a transmission that provides power directly to all four wheels of a motor vehicle
subtype: #standard_transmission__stick_shift__stickshift a transmission that is operated manually with a gear lever and a clutch pedal
subtype: #homing_device the mechanism in a guided missile that guides it toward its objective
subtype: #hydraulic_system__hydraulicsystem a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tube
subtype: #ignition_system__ignition the mechanism that ignites the fuel in an internal-combustion engine
subtype: #lock.mechanism a mechanism that detonates the charge of a gun
subtype: #mechanical_device mechanism consisting of a device that works on mechanical principles
subtype: #bellows__bellow__blower a mechanical device that blows air onto a fire to make it burn more fiercely
subtype: #broadcaster.mechanical_device__spreader a mechanical device for scattering something (seed or fertilizer or sand etc.) in all directions
subtype: #bumper a mechanical device consisting of bars at either end of vehicle absorb shock and prevent damage
subtype: #bumper_guard vertical bars attached to a bumper to prevent locking bumpers with another vehicle
subtype: #carburetor__carburettor mixes air with gasoline vapor prior to explosion
subtype: #compressor a mechanical device that compresses gasses
subtype: #air_compressor__aircompressor a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure
subtype: #supercharger compressor that forces increased oxygen into the cylinders of an internal-combustion engine
subtype: #copyholder mechanical device used in printing; holds the copy for the compositor
subtype: #coupler__coupling a mechanical device that serves to connect the ends of adjacent objects
subtype: #clevis a coupling to attach a drawbar to a plow or wagon or trailer etc.
subtype: #clutch.coupler a coupling that connects or disconnects driving and driven parts of a driving mechanism
subtype: #friction_clutch a clutch in which one part turns the other by the friction between them
subtype: #cone_clutch__cone_friction_clutch a friction clutch in which the frictional surfaces are cone-shaped
subtype: #disk_clutch a friction clutch in which the frictional surfaces are disks
subtype: #slip_clutch__slip_friction_clutch a friction clutch that will slip with the torque is too great
subtype: #fluid_drive__fluiddrive an automotive power coupling
subtype: #swivel a coupling (as in a chain) that has one end that turns on a headed pin
subtype: #universal_joint__universaljoint__universal coupling that connects two rotating shafts allowing freedom of movement in all directions; "in motor vehicles a universal joint allows the driveshaft to move up and down as the vehicle passes over bumps"
subtype: #hair_curler__curler__roller__crimper a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it; "a woman with her head full of curlers is not a pretty sight"
subtype: #diaphragm.mechanical_device__stop a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"
subtype: #iris_diaphragm__iris diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
subtype: #dicer a mechanical device used for dicing food
subtype: #dildo a mechanical device that substitutes for an erect penis to provide vaginal stimulation
subtype: #vibrator.dildo dildo that has a vibrating tip
subtype: #electromechanical_device__electromechanicaldevice a mechanical device that is operated by electricity
subtype: #escapement mechanical device that regulates movement
subtype: #gearshift__gearstick__shifter a mechanical device for engaging and disengaging gears
subtype: #hook.mechanical_device__claw a mechanical device that is curved or bent to suspend or hold or pull something
subtype: #ground_tackle__anchor a mechanical device that prevents a vessel from moving
subtype: #grapnel_anchor__grapnelanchor__grapnel a light anchor for small boats
subtype: #mooring_anchor__mooringanchor an anchor used to hold a mooring buoy or a channel marker in place
subtype: #mushroom_anchor an anchor used for semipermanent moorings; has a bowl-shaped head that will dig in however it falls
subtype: #sheet_anchor__sheetanchor__waist_anchor__waistanchor spare anchor for use in emergency
subtype: #pothook an S-shaped hook to suspend a pot over a fire
subtype: #trammel.pothook an adjustable pothook set in a fireplace
subtype: #tenterhook one of a series of hooks used to hold cloth on a tenter
subtype: #simple_machine__machine a device for overcoming resistance at one point by applying force at some other point
subtype: #inclined_plane a simple machine for elevating objects; consists of plane surface that makes an acute angle with the horizontal
subtype: #ramp__incline an inclined surface or roadway that moves traffic from one level to another
subtype: #ski_jump__skijump a steep downward ramp from which skiers jump
subtype: #screw.inclined_plane a simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole
subtype: #wedge something usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them
subtype: #ax_head__axe_head__axehead the cutting head of an ax
subtype: #colter__coulter a sharp steel wedge that precedes the plow and cuts vertically through the soil
subtype: #moldboard__mouldboard wedge formed by the curved part of a steel plow blade that turns the furrow
subtype: #plowshare__ploughshare__share a sharp steel wedge that cuts loose the top layer of soil
subtype: #coign__quoin__coigne expandable metal or wooden wedge used by printers to lock up a form within a chase
subtype: #shim a thin wedge of material (wood or metal or stone) for driving into crevices
subtype: #lever.simple_machine a simple machine that gives a mechanical advantage when given a fulcrum
subtype: #pulley-block__pulley__block a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
subtype: #bollock__bullock_block__bullockblock a pulley-block at the head of a topmast
subtype: #fairlead a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing
subtype: #snatch_block a pulley-block that can be opened to receive the bight of a rope
subtype: #idle_pulley__idler_pulley__idlerpulley__idle_wheel a pulley on a shaft that presses against a guide belt to guide or tighten it
subtype: #wheel a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)
subtype: #balance_wheel__balancewheel a wheel oscillating against the hairspring of a timepiece to regulate its beat
subtype: #bicycle_wheel__bicyclewheel the wheel of a bicycle
subtype: #buffing_wheel__buffingwheel a wheel that is covered with soft material
subtype: #cartwheel.wheel a wheel that has wooden spokes and a metal rim
subtype: #car_wheel__carwheel a wheel that has a tire and rim and hubcap; used to propel the car
subtype: #fifth_wheel.car_wheel__spare an extra car wheel and tire
subtype: #daisy_print_wheel__daisyprintwheel__daisy_wheel__daisywheel a wheel around which is a set of print characters that make a typing impression on paper
subtype: #driving_wheel__drivingwheel a wheel that drives a motor vehicle (transforms torque into a tractive force)
subtype: #gear_wheel__gear__cogwheel a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
subtype: #bevel_gear__bevelgear__pinionandcrownwheel__pinion_and_ring_gear gears that mesh at an angle
subtype: #differential_gear__differential a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
subtype: #escape_wheel gear that engages a rocking lever
subtype: #pinion a gear with a small number of teeth designed to mesh with a larger wheel or rack
subtype: #lantern_pinion__lanternpinion__lantern_wheel__lanternwheel a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clocks
subtype: #planetary_gear__planetarygear__epicyclic_gear__epicyclicgear__planet_wheel__planet_gear an outer gear that revolves about a central sun gear of an epicyclic train
subtype: #rack_and_pinion a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa)
subtype: #spur_gear__spur_wheel gear wheels that mesh in the same plane
subtype: #sun_gear__sungear the central gear in a epicyclic train
subtype: #worm_gear gear consisting of a shaft with screw thread (the worm) that meshes with a toothed wheel (the worm wheel); changes the direction of the axis of rotary motion
subtype: #worm_wheel gear with the thread of a worm
subtype: #grinding_wheel__emery_wheel__emerywheel a wheel composed of abrasive material; used for grinding
subtype: #handwheel.wheel a wheel worked by hand
subtype: #nosewheel a wheel located under the nose of an airplane that is part of the plan's landing gear
subtype: #paddlewheel a large wheel fitted with paddles and driven by an engine in order to propel a boat
subtype: #potter's_wheel a horizontal rotating wheel holding the clay being shaped by a potter
subtype: #ratchet_wheel__ratchetwheel toothed wheel held in place by a pawl or detent and turned by a lever
subtype: #roller.wheel a small wheel without spokes (as on a roller skate)
subtype: #caster.roller__castor a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
subtype: #toothed_wheel__toothedwheel__roulette a wheel with teeth for making a row of perforations
subtype: #rowel a small spiked wheel at the end of a spur
subtype: #sprocket_wheel__sprocket thin wheel with teeth that engage with a chain
subtype: #trundle small wheel or roller
subtype: #wagon_wheel__wagonwheel a wheel of a wagon
subtype: #waterwheel__water_wheel__waterwheel a wheel that rotates by direct action of water; a simple turbine
subtype: #millwheel water wheel that is used to drive machinery in a mill
subtype: #noria a water wheel with buckets attached to the rim; used to raise water for transfer to an irrigation channel
subtype: #water_wheel__waterwheel__waterwheel a wheel with buckets attached to its rim; raises water from a stream or pond
subtype: #pantograph mechanical device used to copy a figure or plan on a different scale
subtype: #piston__plunger mechanical device that has a plunging or thrusting motion
subtype: #propeller__propellor a mechanical device that rotates to push against air or water
subtype: #airplane_propeller__airscrew__prop a propeller that rotates to push against air
subtype: #screw_propeller__screw a propeller with several angled blades that rotates to push against water or air
subtype: #variable-pitch_propeller propeller for which the angle of the blades is adjustable
subtype: #pump a mechanical device that moves fluid or gas by pressure or suction
subtype: #air_pump__airpump__vacuum_pump a pump that moves air in or out of something
subtype: #condensation_pump__diffusion_pump__diffusionpump vacuum pump used to obtain a high vacuum
subtype: #inflater__inflator an air pump operated by hand to inflate something (as a tire)
subtype: #ion_pump__ionpump a vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface
subtype: #aspirator a pump that draws air or another gas through a liquid
subtype: #auxiliary_pump__auxiliarypump__donkey_pump a supplementary pump available if needed
subtype: #bicycle_pump__bicyclepump a small pump that fills bicycle tires with air
subtype: #bilge_pump__bilgepump a pump to remove bilgewater
subtype: #centrifugal_pump__centrifugalpump a pump that use centrifugal force to discharge fluid into a pipe
subtype: #force_pump__forcepump pump used to force a liquid up and expel it under pressure
subtype: #gas_pump__gaspump__gasoline_pump__island_dispenser a pump in a service station that draws gasoline from underground storage tanks
subtype: #grease-gun__gun a hand-operated pump that resembles a gun; forces grease into parts of a machine
subtype: #hand_pump a pump worked by hand
subtype: #heart-lung_machine a pump to maintain circulation during heart surgery; diverts blood from the heart and oxygenates it and then pumps it through the body
subtype: #hydraulic_pump__hydraulicpump__hydraulic_ram__hydraulicram a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level
subtype: #lift_pump pump used to lift rather than force a liquid up
subtype: #oil_pump__oilpump a pump that keeps a supply of oil on moving parts
subtype: #stirrup_pump__stirruppump a hand-operated reciprocating pump; used in fighting fires
subtype: #suction_pump__suctionpump a pump for raising fluids by suction
subtype: #stomach_pump__stomachpump a suction pump used to remove the contents of the stomach
subtype: #sump_pump a suction pump for removing liquid from a sump
subtype: #water_pump__waterpump the pump in the cooling system of an automobile that cause the water to circulate
subtype: #ratchet__rachet__ratch mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
subtype: #record_changer__auto-changer__changer an automatic mechanical device on a record player that causes new records to be played without manual intervention
subtype: #reed mechanical device consisting of a thin strip of stiff material that is fitted into the mouthpiece of woodwind instruments and that vibrates to produce a tone when air streams over it
subtype: #double_reed a pair of joined reeds that vibrate together to produce the sound in some woodwinds
subtype: #ride a mechanical device that you ride for amusement or excitement
subtype: #carousel__carrousel__merrygoround__roundabout__whirligig large mechanical apparatus with seats for children to ride on
subtype: #Ferris_wheel rotating mechanism consisting of a large upright wheel with suspended seats that remain upright as the wheel turns; provides a ride at an amusement park
subtype: #roller_coaster__big_dipper__bigdipper__chutethechute elevated railway in an amusement park (usually with sharp curves and steep inclines)
subtype: #seeder.mechanical_device a mechanical device that sows grass seed or grain evenly over the ground
subtype: #shutter.mechanical_device a mechanical device on a camera that opens and closes to control the time of a photographic exposure
subtype: #splicer a mechanical device for joining two pieces of paper or film or magnetic tape
subtype: #splint an orthopedic mechanical device used to immobilize and protect a part of the body (as a broken leg)
subtype: #sprinkler mechanical device that attaches to a garden hose for watering lawn or garden
subtype: #stator_coil__stator mechanical device consisting of the stationary part of a motor or generator in or around which the rotor revolves
subtype: #stoker a mechanical device for stoking a furnace
subtype: #stretcher.mechanical_device a mechanical device used to make something larger (as shoes or gloves) by stretching it
subtype: #striker the part of a mechanical device that strikes something
subtype: #clapper__tongue metal striker that hangs inside a bell and makes a sound by hitting the side
subtype: #firing_pin striker that ignites the charge by striking the primer
subtype: #piano_hammer__pianohammer__hammer a striker that is covered in felt and that causes the piano strings to vibrate
subtype: #gunlock_hammer__gunlockhammer__hammer the part of a gunlock that strikes the percussion cap when the trigger is pulled
subtype: #head.striker the striking part of a tool; "the head of the hammer"
subtype: #golfclub_head__club_head the head of the golf club that strikes the ball
subtype: #hammerhead the striking part of a hammer
subtype: #supply_chamber a mechanical device for holding something and supplying it as needed
subtype: #cartridge_holder__cartridgeholder__cartridge_clip__cartridgeclip__clip__magazine a metal frame or container holding cartridges; can be inserted into an automatic gun
subtype: #pincurl_clip__pincurlclip a variety of clip for holding pin curls
subtype: #magazine.supply_chamber__cartridge a light-tight supply chamber holding the film and supplying it for exposure as required
subtype: #swing.plaything mechanical device used as a plaything to support someone swinging back and forth
subtype: #trapeze a swing used by circus acrobats
subtype: #tone_arm__pickup__pickup_arm mechanical device consisting of a light balanced arm that carries the cartridge
subtype: #trap.mechanical_device a device to hurl clay pigeons into the air for trapshooters
subtype: #vibrator mechanical device that produces vibratory motion; used for massage
subtype: #voting_machine a mechanical device for recording and counting votes mechanically
subtype: #weathervane__wind_vane mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
subtype: #weathercock weathervane with a vane in the form of a rooster
subtype: #wind_tee weather vane shaped like a T and located at an airfield
subtype: #wheelwork mechanical device including an arrangement of wheel in a machine (especially a train of gears)
subtype: #gearing__gears__gear__geartrain__power_train__powertrain__train wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed; "the fool got his tie caught in the geartrain"
subtype: #epicyclic_train__epicyclictrain__epicyclic_gear_train a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis
subtype: #reduction_gear__reductiongear gearing that reduces an input speed to a slower output speed
subtype: #winder mechanical device around which something can be wound
subtype: #bobbin__spool__reel a winder around which thread or tape or film or other flexible materials can be wound
subtype: #filature a bobbin used in spinning silk into thread
subtype: #shuttle bobbin that passes the weft thread between the warp threads
subtype: #reel.winder winder consisting of a revolving spool with a handle; attached to a fishing rod
subtype: #winder.mechanical_device__key mechanical device used to wind another device that is driven by a spring (as a clock)
subtype: #watch_key__watchkey winder consisting of a key with a square hole; used for winding some watches
subtype: #windshield_wiper__windscreen_wiper__wiper__wiper_blade a mechanical device that cleans the windshield
subtype: #radiator.mechanism a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan
subtype: #rotating_mechanism a mechanism that rotates
subtype: #blade.rotating_mechanism__vane flat surface that rotates and pushes against air or water
subtype: #fan_blade__fanblade blade of a rotating fan
subtype: #impeller the blade of a rotor (as in the compressor of a jet engine)
subtype: #paddle.blade a blade of a paddle wheel or water wheel
subtype: #rudder_blade the vertical blade on a rudder
subtype: #cam a rotating disk shaped to convert circular into linear motion
subtype: #distributor_cam__distributorcam the cam inside the distributor that rotates to contact spark plug terminals in the correct order
subtype: #circle.rotating_mechanism__round any circular or rotating mechanism; "the machine punched out metal circles"
subtype: #disk__disc a thin flat circular plate
subtype: #acetate_disk__acetatedisk__phonograph_recording_disk a disk coated with cellulose acetate
subtype: #brake_disk__brakedisk the brake disk plate is fixed to the wheel; pressure is applied to it by the brake pads
subtype: #diaphragm electro-acoustic transducer that vibrates to receive or produce sound waves
subtype: #discus.disk__saucer a disk used in throwing competitions
subtype: #Frisbee (trademark) a light plastic disk about 10 inches in diameter; sailed with a flip of the wrist for recreation or competition
subtype: #planchet__coin_blank a flat metal disk ready for stamping as a coin
subtype: #hockey_puck__puck a vulcanized rubber disk 3 inches in diameter that is used instead of a ball in ice hockey
subtype: #token a metal or plastic disk that can be used (as a substitute for coins) in slot machines
subtype: #subway_token a token that is used to pay for entry to the subway system
subtype: #Ferris_wheel rotating mechanism consisting of a large upright wheel with suspended seats that remain upright as the wheel turns; provides a ride at an amusement park
subtype: #gyroscope__gyro rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction
subtype: #rotor rotating mechanism consisting of an assembly of rotating airfoils; horizontal rotors on a helicopter or compressor rotors of a jet engine
subtype: #main_rotor rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air
subtype: #tail_rotor__anti-torque_rotor rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
subtype: #steering_linkage mechanism consisting of a system of rods and levers connected to the front wheels of a motor vehicle; the steering gear pushes the steering linkage left or right which swivels the front wheels causing the vehicle to turn
subtype: #steering_system__steering_mechanism a mechanism by which something is steered (especially a motor vehicle)
subtype: #helm.steering_system steering mechanism for a vessel; a mechanical device by which a vessel is steered
subtype: #wheel.helm a circular helm to control the rudder of a vessel
subtype: #power_steering__powersteering__powerassistedsteering automotive steering where engineer power amplifies the torque applied to the steering wheel
subtype: #rudder.steering_system (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel
subtype: #tape_drive__tape_transport__transport a mechanism that transport magnetic tape across the read/write heads of a tape playback/recorder
subtype: #whirler a revolving mechanism
subtype: #works__work__workings the internal mechanism of a device
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