Seal and scraper assembly for ball bearing screws and the like

Details Seal and scraper assembly for ball bearing screws and the like Seal and scraper assembly for ball bearing screws and the like

1988-12-27

1990-03-06

Brittain, James R.

Machine element or mechanism

Gearing

Teeth

744248R, 277 24, 277165, F16H 5502

Patent

active

049055330

ABSTRACT:
A seal and scraper assembly for a ball screw and nut actuator has a resilient seal ring for reception by the nut which includes a radially internal helical thread mating with the screw groove. The seal ring further has a radially compressible annular lip extending at an angle in an axially outboard direction from the outer periphery of the ring to engage and be radially compressed by the nut. A rigid, annular mount ring also has an internal thread received by the screw groove which has an axially inboard portion interfitting with the seal ring so as to permit relative axial movement of the seal ring and mount ring, while preventing relative rotation of the rings.

REFERENCES:
patent: 3646827 (1972-03-01), Patterson
patent: 3669460 (1972-06-01), Wysong
patent: 4053167 (1977-10-01), Jelinek
patent: 4085942 (1978-04-01), Yoshida et al.
patent: 4226431 (1980-10-01), Jelinek et al.
patent: 4407511 (1983-10-01), Benton et al.

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