US Patent 7490881 Long travel gripper

A long travel gripper is provided which has first and second end caps, first, second and third guide rails, first and second jaws, and first and second piston assemblies. The first, second and third guide rails extend between the first and second end caps. The first and second jaws, each receive, and move rectilinearly along, the first, second and third guide rails. The first and second piston assemblies each include first and second piston rods and pistons, respectively.