Patent ID: 6450489
Filing Date: 2002-09-17
Classification: B25B

Abstract:
A work clamp for woodworking machines, comprising:a guide bar; a fixed clamping plate fixedly fastened to said guide bar, said fixed clamping plate having a clamping face disposed at a bottom side thereof; a movable clamping plate mounted on said guide bar and driven to move along said guide bar relative to said fixed clamping plate, said movable clamping plate having a clamping face disposed at a bottom side thereof and facing the clamping face of said fixed clamping plate for clamping workpiece between said fixed clamping plate and said movable clamping plate; a handle, said handle having a fixed end pivoted to said movable clamping plate and a free end terminating in a handgrip; a linkage, said linkage comprising two first links, said first links each having a top end pivoted to said handle and a bottom end, two coupling plates bilaterally pivotally coupled between said movable clamping plate and the bottom end of each of said first link, and a second link, said second link having a first end pivoted to said coupling plates and a second end; and a stop plate mounted on said guide bar between said fixed clamping plate and said movable clamping plate, said stop plate having a bottom end coupled to the second end of said second link.