Patent ID: 9643299
Date: 2017-05-09
CPC Classifications: B25B,F16D

Claim:
1. A ratchet device, comprising a pawl base, a rod body, a pawl, a spring and a switch-shift cover, wherein, cylindrical through holes are arranged at the center of the pawl base and switch-shift cover, the rod body passes through the cylindrical through hole of the pawl base and switch-shift cover, two oblique openings are arranged on the pawl base, a transverse slot is arranged on one side of the periphery of the pawl base, a ratchet base is arranged on the rod body, a ratchet is arranged at one end of the periphery of the ratchet base, the claw of the pawl engages with the ratchet of the ratchet base in an up-down way, a flange is arranged on the external of the pawl, the pawl is inlayed in the oblique opening, a recess opening is arranged in the switch-shift cover, when the switch-shift cover is rotated, the recess opening of the switch-shift cover oppresses the flange, so that the spring is retracted by stress and the pawl moves downward, and the claw of the pawl is separated from the ratchet, the ratchet device will rotate clockwise or anti clockwise.