More particularly, it is an object of the present invention to provide a face to face plate type swivel with {HEAD ~ an interposed frictionless bearing material} which functions to center the swivel plates and to decrease the resistance to rotation of {TAIL ~ the rotary plate} 
More particularly , it is an object of the present invention to provide a face to face plate type swivel with { HEAD ~ an interposed frictionless bearing material } which functions to center the swivel plates and to decrease the resistance to rotation of { TAIL ~ the rotary plate }
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 HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL