For {TAIL ~ guidance} of the actuating rod 38, in particular a sliding bearing 36a is provided in the heat conducting {HEAD ~ member} 
For { TAIL ~ guidance } of the actuating rod 38 , in particular a sliding bearing 36a is provided in the heat conducting { HEAD ~ member }
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD