Dust-proof seal for linear guide apparatus

Details Dust-proof seal for linear guide apparatus Dust-proof seal for linear guide apparatus

1988-03-14

1989-12-12

Levy, Stuart S.

Bearings

Linear bearing

Combined with seal or guard

384 45, F16C 2906

Patent

active

048863769

ABSTRACT:
A dust-proof seal has a metal plate attached to a slider and a rubber member adhered to the metal plate. The metal plate has an opening to allow a guide rail to pass therethrough, and the rubber member has protrusion protruding inwardly beyond the inner edge of the opening of the metal plate. A pressing member defined by a wire spring is mounted in a channel formed in the rubber member at the periphery of the lip portions and exerts a spring force to press the lip portions against the surface of the guide rail to thereby bring the lip portions elastically in contact with the guide surface to wipe out any dust deposited thereon.

REFERENCES:
patent: 4133452 (1979-01-01), Janian et al.
patent: 4595244 (1986-06-01), Teramachi
patent: 4655462 (1987-04-01), Balsells

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