Patent ID: 6315016
Filing Date: 2001-11-13
Classification: B23D,B23Q,B27B,B27C,B27G

Abstract:
A combination workpiece positioning and anti-kickback device for a work table having a fence against which a workpiece is guided, comprising:a positioning member having a main body, and an arcuate cam surface at one edge of the main body for engaging a side surface of a workpiece on the work table;an adjustment device for moving the positioning member relative to the workpiece, the adjustment device including:a lengthwise adjustment assembly movable in a lengthwise direction of movement of the workpiece along the work table for adjusting the position of the positioning member in said lengthwise direction, anda transverse adjustment assembly movable in a direction transverse to said lengthwise direction for adjusting the position of the positioning member in the transverse direction, the transverse adjustment assembly being movably connected to the lengthwise adjustment assembly;a lengthwise releasable locking device for releasably locking the lengthwise adjustment assembly relative to the work table at a desired location in the lengthwise direction;a transverse releasable locking device for releasably locking the transverse adjustment assembly relative to the work table at a desired location in the transverse direction;a pivot which pivotally mounts the positioning member to the adjustment device for pivoting movement;a spring connected between the positioning member and the adjustment device for biasing the positioning member with a biasing force in a first pivot direction about said pivot such that said arcuate cam surface is biased in a direction opposite to a feed direction of said workpiece and into engagement with the side surface of the workpiece; anda variable tensioning device for variably adjusting the biasing force of the spring.