Patent ID: 9381648
Filing Date: 2016-07-05
CPC Classification: B25J

Claim Text:
1. A device for driving mechanical gripping jaws, the device comprising: a first board; a screw, having a first segment and a second segment, wherein the first segment is connected to the first board; a second board, being connected to the second segment and having a plurality of slots; a driving board, having a nut portion that is mounted around the screw and when driven by the screw drives the nut portion to move; a plurality of linkages, each having: a first link whose two ends are defined with a first axis and a second axis, respectively, wherein the first link is pivotally connected to the second board at the first axis; and a second link, being defined with a third axis, a fourth axis, and a fifth axis, wherein the second link is pivotally connected to the driving board at the third axis, and the second link is pivotally connected to the second axis of the first link at the fourth axis; a plurality of connecting boards, each being pivotally connected to the second link at the fifth axis and correspondingly passing through the corresponding slot; and a plurality of linear movement modules, each having a slide rail and a slider, wherein the slide rails are distributed over the second board in radial directions of the screw, and the slider is mounted on the slide rail to be limited to move along the slide rail and is connected to the connecting board.