Dust-free rolling contact bearing assembly

Details Dust-free rolling contact bearing assembly Dust-free rolling contact bearing assembly

1988-08-26

1989-09-19

Hannon, Thomas R.

Bearings

Linear bearing

Combined with seal or guard

384 49, F16C 2908

Patent

active

048675784

ABSTRACT:
A dust-free linear motion rolling contact bearing assembly includes a U-shaped bed of a length, a table and a plurality of rolling members interposed between the bed and the table to provide a rolling contact between the bed and the table. A take-up/supply roller is rotatably mounted at each end of the table and a shield palte has its base end fixedly attached to the take-up/supply roller and has its forward end fixedly attached to the corresponding end of the bed. Thus, as the table moves linearly relative to the bed, the shield plate is either supplied as unwound from the take-up/supply roller or taken up as wound around the take-up/supply roller to keep the opening of the bed covered by the shield plate. Thus, the interior space of the bearing assembly is kept shielded at all times without any scrubbing action between the shield plate and the bed.

REFERENCES:
patent: 4616885 (1986-10-01), Komiya
patent: 4706510 (1987-11-01), Zimmer

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