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