The intermediate member is in turn coupled by an additional plurality of sprag levers to a fixed member having internal clutch teeth to prevent the intermediate member from retrograde movement when it is not being advanced The intermediate lever member is splined to a coupling member, and {HEAD ~ the coupling member} is in {TAIL ~ turn} splined to a turning member for connection to an adjusting shaft 
The intermediate member is in turn coupled by an additional plurality of sprag levers to a fixed member having internal clutch teeth to prevent the intermediate member from retrograde movement when it is not being advanced The intermediate lever member is splined to a coupling member , and { HEAD ~ the coupling member } is in { TAIL ~ turn } splined to a turning member for connection to an adjusting shaft
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH