Patent ID: 8550449

Claim:
A gear clutch assembly, comprising: a pivot; a driving gear engaged with the pivot and adapted to rotating along the pivot, comprising: a first surface; a ratchet integrally formed with the driving gear comprising a plurality of teeth disposed on the first surface; a first through hole for engaging with the pivot; an edge of the driving gear including an engaging part protruding from the first surface around the first through hole; and a groove disposed around the engaging part; a driven gear disposed on the driving gear, comprising: a second surface facing the first surface; at least a pawl integrally formed with the driven gear on the second surface; a second through hole for engaging with the engaging part; and a bump disposed around an inner wall of the second through hole and engaging with the groove, and the bump adapted to move along the groove when the driving gear rotates relatively to the driven gear, when the driving gear rotates in a driving direction, at least one of the teeth of the ratchet is engaged with the pawl and drives the driven gear to rotates with the driving gear, when the driving gear rotates in an opposite direction, every tooth pushes up and slides under the pawl so the driven gear does not rotate along with the driving gear.