Anti-friction screw and nut assembly

Details Anti-friction screw and nut assembly Anti-friction screw and nut assembly

1979-02-06

1981-04-07

Michell, Robert W.

Surgery

Truss

Perineal

128 25R, 3 1, 744248R, 744248NA, 74 8915, 248118, A61F 510

Patent

active

042599490

ABSTRACT:
A guiding device for orthosis, comprising an anti-friction screw and nut assembly, in which the nut comprises two interconnected nut portions, which are rotatable but not axially displaceable relatively to each other, each nut portion having an axial bore for receiving said screw and at least two anti-friction bearings, each arranged to contact a thread groove of the anti-friction screw, said screw and one of said nut portions having means for attaching the same to an orthosis or to a support.

REFERENCES:
patent: 560281 (1896-05-01), Rauhoff
patent: 1583219 (1926-05-01), Anderson, Jr. et al.
patent: 2119325 (1938-05-01), Goodhart
patent: 2661000 (1953-12-01), Gazeley et al.
patent: 3059494 (1962-10-01), Grabowski
patent: 3133453 (1964-05-01), La Pointe
patent: 3369422 (1968-02-01), Sears
patent: 3483765 (1969-12-01), Fornataro
patent: 3769636 (1973-11-01), Friedman
patent: 3908643 (1975-09-01), Bliss

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