A groove 150 is formed into the sidewall of {TAIL ~ the housing} 20 for receiving a slider member 152, which is rigidly mounted to {HEAD ~ the carriage member} 148 
A groove 150 is formed into the sidewall of { TAIL ~ the housing } 20 for receiving a slider member 152 , which is rigidly mounted to { HEAD ~ the carriage member } 148
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH