From Latin meaning 'stake', what is the hinged or pivoted catch preventing reverse motion of a ratchet wheel?
Ratchet (device) the high friction surface, this mechanism can result in significantly reduced backlash. Ratchet mechanisms are used in a wide variety of applications, including these: Ratchet (device) A ratchet 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. A rachet consists of a round gear or a linear rack with teeth, and a pivoting, spring-loaded finger called a "pawl" (or "click", in clocks and watches) that
Reverse motion Reverse motion Reverse motion (also known as reverse motion photography or reverse action) is a special effect in cinematography whereby the action that is filmed is shown backwards (i.e. time-reversed) on screen. It can either be an in-camera effect or an effect produced with the use of an optical printer. There are various reasons why this technique may be adopted, such as for comedy effect (destruction reversal) or for safety reasons (a car stopping just in time may be filmed starting at the stop point). There are several uses for reverse action. Some are artistic in nature. For example, reverse