{TAIL ~ An entraining part} connected with the drive part projects through the longitudinal opening to {HEAD ~ the outside}, where it is kinematically coupled with a slide  
{ TAIL ~ An entraining part } connected with the drive part projects through the longitudinal opening to { HEAD ~ the outside } , where it is kinematically coupled with a slide
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH