Patent ID: 7409913
Filing Date: 2008-08-12
Classification: B23Q

Abstract:
1. A single-axis programmable positioning device for positioning a work piece in a work area comprising: (a) a rail having a first end, a second end, a first surface extending therebetween, a first channel in said first surface, and a second channel in said first surface parallel to said first channel; (b) a trolley having a first bearing and second bearing, said first bearing riding in said first channel and said second bearing riding in said second channel; (c) a work piece stop mounted to said trolley; (d) a drive sprocket mounted for rotation at said first end; (e) an idler sprocket mounted for rotation at said second end; (f) a motor assembly driving said drive sprocket; (g) a chain extending around said drive sprocket and said idler sprocket, said chain attached to said trolley such that said trolley moves along said rail as said motor rotates; and (h) a controller for controlling operation of said motor.