Rotary joint of articulation prosthetic implement having rotating load setting means, articulation prosthetic implement using the rotary joint and method of making articulation prosthetic implement
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United States of America Patent
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Apr 12, 2011
Grant Date -
Jan 29, 2009
app pub date -
Sep 17, 2008
filing date -
Feb 4, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacturing an articulation prosthetic implement includes the steps of previously manufacturing a on-way clutch covered and fitted with a metal bush, the metal bush covered and fitted with a synthetic resin bush, and the synthetic resin bush covered and fitted with a brake bush; covering and fitting a rotary shaft of an outer member with flanges at either end, having a rotary shaft at the inner side and an annular depression around the rotary shaft, with the one-way clutch having the three bushes; fitting a cylindrical projection of an inner member having flanges at either end into the annular depression of the outer member located outside the brake bush; screwing or bolting a stopper for controlling the range of rotary shaft rotation to an inner projection of the rotary shaft; fitting one articulation protecting member of the articulation prosthetic implement to the flange of the inner member from the surface side of the inner member; and fitting the other articulation protecting member of the articulation prosthetic implement to the flange of the outer member form the surface side of the outer member.
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