Definition of Ratchet wheel. Meaning of Ratchet wheel. Synonyms of Ratchet wheel

Here you will find one or more explanations in English for the word Ratchet wheel. Also in the bottom left of the page several parts of wikipedia pages related to the word Ratchet wheel and, of course, Ratchet wheel synonyms and on the right images related to the word Ratchet wheel.

Definition of Ratchet wheel

Ratchet wheel
Ratchet Ratch"et, n. [Properly a diminutive from the same word as rack: cf. F. rochet. See 2d Ratch, Rack the instrument.] 1. A pawl, click, or detent, for holding or propelling a ratchet wheel, or ratch, etc. 2. A mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch. Ratchet brace (Mech.), a boring brace, having a ratchet wheel and pawl for rotating the tool by back and forth movements of the brace handle. Ratchet drill, a portable machine for working a drill by hand, consisting of a hand lever carrying at one end a drill holder which is revolved by means of a ratchet wheel and pawl, by swinging the lever back and forth. Ratchet wheel (Mach.), a circular wheel having teeth, usually angular, with which a reciprocating pawl engages to turn the wheel forward, or a stationary pawl to hold it from turning backward.

Meaning of Ratchet wheel from wikipedia

- direction. Ratchets are widely used in machinery and tools. The word ratchet is also used informally to refer to a ratcheting socket wrench. A ratchet consists...
- castle wheel, with two rings of teeth that project axially from the ends. When the stem is pushed in, the outer teeth turn the ratchet wheel on top of...
- an improved version the pendulum drove a ratchet wheel via a pawl on the pendulum rod, and the ratchet wheel drove the rest of the clock train to indicate...
- adjust the steering wheel by moving the wheel through an arc in an up and down motion. Tilt Steering Wheels rely upon a ratchet joint located in the...
- cog wheel attached to a handle and two wooden flanges that alternately hit the teeth of the cog when the handle turns. Alternatively, smaller ratchets are...
- thermodynamics. The simple machine, consisting of a tiny paddle wheel and a ratchet, appears to be an example of a Maxwell's demon, able to extract mechanical...
- prevalent form is the ratcheting socket wrench, often informally called a ratchet. A ratchet incorporates a reversible ratcheting mechanism which allows...
- direction, but prevents return motion. Commonly used in combination with a ratchet wheel. A latch of some type is typically ****ed to a door or window. Many...
- two plates with pillars and bars, the barrel, fusée, index, pawl and ratchet-wheel, along with a few ****embling ****s. These parts were all roughly filed...
- side) of the rotor triggers the stepping motion by engaging the ratchet teeth of the wheel to the left. Later rotors had two turnover notches. The table...