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A ratchet (occasionally spelled rachet) is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction. Ratchets are widely used in machinery and tools. The word ratchet is also used informally to refer to a ratcheting socket wrench.
The ratchet wrench, which is employed to intentionally use force against the detent and comes in an increasing variety of types. It was designed to allow one to keep the wrench engaged with the bolt or nut which it is turning, in an area where the swing arc of the wrench is limited, while being able to continue to turn it in one direction by ...
A pawl is used in an anchor windlass to prevent a free-spooling chain by grabbing and snubbing an individual link. Similar mechanisms include a Devil's claw, or a claw and dog. Ratchet A pawl is used in combination with a ratchet gear in socket wrenches, bicycle freehubs, winches, ratchet reels for diving, fishing, and many other applications ...
The ratchet mechanism on the head of a cable tie Cable ties used to attach shade cloth to scaffolding at a construction site in Singapore. The most common cable tie consists of a flexible nylon tape with an integrated linear ratchet gear rack, and on one end a pawl within a small open case. Once the pointed tip of the cable tie has been pulled ...
A ratchet or rattle, more specifically, cog rattle [1] is a musical instrument of the percussion family and a warning/signaling device. It operates on the principle of the ratchet device , using a gearwheel and a stiff board mounted on a handle, which rotates freely.
Socket set with ratchet (above), four hex sockets and a universal joint. A socket wrench (or socket spanner) is a type of spanner (or wrench [1] in North American English) that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt.
The main components of a parking pawl mechanism are the parking gear, parking pawl, actuator rod, cam collar, cam plate, pivot pin, and parking pawl return spring. The mechanism assembly is designed so that the parking pawl tooth collides and overrides the parking gear teeth (ratchets) until a safe engagement speed for the vehicle is reached.
Racket sports (or racquet sports) are games in which players use a racket or paddle to hit a ball or other object. [1] Rackets consist of a handled frame with an open hoop that supports a network of tightly stretched strings.