Patent ID: 8702077
Filing Date: 2014-04-22
Classification: B25B

Abstract:
1. A quick clamp, comprising a first jaw, a second jaw, a slide rail, a crank, an operating handle, and a shaft assembly; the first jaw and the second jaw being correspondingly provided near a lower edge thereof with a first and a second slot that transversely extend through the first and the second jaw, respectively; the slide rail being extended through the second slot into the first slot, such that a first clamping face located at an inner side of the first jaw and a second clamping face located at an inner side of the second jaw are oriented to each other; the first jaw being immovably locked to a front end of the slide rail while the second jaw being fitted around the slide rail and slidable along an upper and a lower edge of the slide rail toward or away from the first jaw; the second jaw including a cover plate and a base plate, which are closed to each other and assembled to a space defined on one side of the second clamping face facing away from the first jaw before being locked together using screws; and the base plate being internally provided near an upper portion with a guide way and at a lateral middle portion with a recess; the crank being provided at an upper end with an internally threaded transverse sleeve portion, at a middle portion with a transverse through bore, and near a lower end with a transverse slide rail slot; and the crank being arranged in the base plate of the second jaw with the operating handle rotatably assembled to the upper internally threaded sleeve portion, the shaft assembly connected to the middle through bore and the slide rail extended through the lower slide rail slot; the operating handle including a shank, which has a length formed into a screw rod portion and has a wheel-like free end; and the shaft assembly including a shaft body, a compression spring, a washer, and a nut; and the shaft body having a diametrically expanded front end and an externally threaded rear end.