A ratchet is a mechanical gadget that allows continuous linear or rotary movement in mere one direction while preventing motion in the opposite direction. Ratchets are trusted in machinery and tools. A rachet consists of a round equipment or a linear rack with teeth, and a pivoting, spring-loaded finger called a pawl (or click, in clocks and watches[1][2]) that engages the teeth. The teeth are uniform but asymmetrical, with each tooth having a moderate slope using one advantage and a much steeper slope on the other edge.

When one’s teeth are relocating the unrestricted (i.e. forward) path, the pawl easily slides up and over the lightly sloped edges of one’s teeth, with a spring forcing it (often with an audible ‘click’) into the depression between your teeth as it passes the tip of every tooth. When the teeth move in the contrary (backward) direction, nevertheless, the pawl will capture against the steeply sloped advantage of the Ratchets Wheel initial tooth it encounters, thereby locking it against the tooth and avoiding any further motion for the reason that direction.

Specifications

Angle of teeth 60°

Material S45C

Heat therapy Induction hardened teeth

Tooth hardness 50 ～ 60HRC