said stems resting on said helical springs and said helical springs resting on said ring and {TAIL ~ circumferentially spaced projections} on the outer periphery of {HEAD ~ said annular retaining ring}, the inner ends of each said spring receiving a said projection, 
said stems resting on said helical springs and said helical springs resting on said ring and { TAIL ~ circumferentially spaced projections } on the outer periphery of { HEAD ~ said annular retaining ring } , the inner ends of each said spring receiving a said projection ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH