Prosthetic wrist fitting

Details Prosthetic wrist fitting Prosthetic wrist fitting

1977-10-26

1979-06-05

Crowder, Clifford D.

Chucks or sockets

Radially reciprocating jaws

279 5, 279 76, A61F 106

Patent

active

041569458

ABSTRACT:
A prosthetic wrist fitting for attachment to a fore-arm termination comprises a socket with an internally toothed ring surrounding its mouth and a complementary plug having an externally toothed ring so that the plug may be engaged with the socket in angularly adjusted relation. The plug is maintained in the socket against ejection by a spring by engagement of a keep ring slidable across the socket bore and engaging a groove in the plug. The internally toothed ring may be rotatable relatively to the body socket axis and provided with a number of over-ridable detents so that the plug may be turned through angular steps without removal from the socket. A manually operated catch retains the plug in any selected one of these adjusted steps.

REFERENCES:
patent: 1213222 (1917-01-01), McKay
patent: 1301367 (1919-04-01), Bowler
patent: 1319884 (1919-10-01), McKay
patent: 1362793 (1920-12-01), Hirsch
patent: 1973805 (1934-09-01), George
patent: 3798680 (1974-03-01), Prout

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