{HEAD ~ The slide} is supported by {TAIL ~ means} of a guide means on the housing , one of the two housing limbs being extended through and past the longitudinal opening and on the side, facing the other housing limb , bears the guide means  
is supported by
{ HEAD ~ The slide } is supported by { TAIL ~ means } of a guide means on the housing , one of the two housing limbs being extended through and past the longitudinal opening and on the side , facing the other housing limb , bears the guide means
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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 OTH