A ratchet is a mechanical gadget that allows continuous linear or rotary motion in mere one direction while stopping motion in the opposite direction. Ratchets are trusted in machinery and equipment. A rachet consists of a round gear or a linear rack with the teeth, and a pivoting, spring-loaded finger known as a pawl (or click, in clocks and watches) that engages the teeth. The teeth are uniform but asymmetrical, with each tooth having a moderate slope using one edge and a much steeper slope on the additional edge.
When one’s teeth are moving in the unrestricted (i.electronic. forward) direction, the pawl quickly slides up and over the gently sloped edges of one’s teeth, with a springtime forcing it (frequently with an audible ‘click’) into the depression between your teeth as it passes the suggestion of each tooth. When the teeth move in the opposite (backward) direction, however, the pawl will capture against the steeply sloped edge of the first tooth it Ratchets Wheel encounters, thereby locking it against the tooth and avoiding any further motion for the reason that direction.
Angle of teeth 60°
Heat therapy Induction hardened teeth
Tooth hardness 50 ～ 60HRC