One end of the second axle is pivotally inserted into the second housing, {HEAD ~ the intermediate portion} of {TAIL ~ the second axle} is non pivotally fixed to the second aperture, and the other end of the second axle is pivotally inserted into the counter aperture formed in the second supporting member 
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One end of the second axle is pivotally inserted into the second housing , { HEAD ~ the intermediate portion } of { TAIL ~ the second axle } is non pivotally fixed to the second aperture , and the other end of the second axle is pivotally inserted into the counter aperture formed in the second supporting member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH