The gripper arms have pin disposed in {HEAD ~ channels} of {TAIL ~ the housing}, the channels being angularly oriented to urge the gripper arms to fully closed and fully opened positions and for controlling the separation of the gripper arms for each position of the slide relative to the housing 
of
The gripper arms have pin disposed in { HEAD ~ channels } of { TAIL ~ the housing } , the channels being angularly oriented to urge the gripper arms to fully closed and fully opened positions and for controlling the separation of the gripper arms for each position of the slide relative to the housing
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH