Swivel joint

Details Swivel joint Swivel joint

1978-03-31

1980-02-05

Frinks, Ronald L.

Joints and connections

Interfitted members with external bridging piece

3 21, 3 30, 3 35, 403111, 403146, 403165, A61F 108, A61F 104

Patent

active

041864492

ABSTRACT:
A swivel joint for a leg prosthesis has its relatively rotatable members urged into a neutral position by a multiple-disk compound axial compression spring bearing upon balls which ride along inclined ramps upon relative rotation of the members.

REFERENCES:
patent: 3706465 (1972-12-01), Olowinski
patent: 3906552 (1975-09-01), Weber
patent: 3956775 (1976-05-01), Moore
patent: 4038705 (1977-08-01), Owens et al.

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