Bearings may be located between the first axle and the first housing, between the first axle and {HEAD ~ the counter aperture} formed in {TAIL ~ the first supporting member}, between the second axle and the second housing, and between the second axle and the counter aperture formed in the second supporting member 
Bearings may be located between the first axle and the first housing , between the first axle and { HEAD ~ the counter aperture } formed in { TAIL ~ the first supporting member } , between the second axle and the second housing , and between the second axle and the counter aperture formed in the second supporting member
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 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