Sealing device for linear guide apparatus

Details Sealing device for linear guide apparatus Sealing device for linear guide apparatus

1996-10-11

1998-06-23

Hannon, Thomas R.

Bearings

Linear bearing

Combined with seal or guard

384 13, F16C 2906, F16C 2908

Patent

active

057695431

ABSTRACT:
In a linear guide apparatus including an axially extending guide rail, a slider engaged with the guide rail, and a plurality of rolling elements loaded into the slider, the linear guide apparatus further includes a sealing device fixed to the slider in slidable contact with the guide rail for sealing a clearance existing between the guide rail and the slider, in which the sealing device includes: a lubricant-containing polymer member formed of a synthetic resin containing a lubricant, and having a contact portion contacting with the guide rail to surround the guide rail, both wing portions, a connecting portion connecting the wing portions to be C-shaped substantially, and a pair of first recesses formed in the respective wing portions for fixing the lubricant-containing polymer member to the slider; a first plate member fitted to the lubricant-containing polymer member opposed to the slider; and a pair of first cylindrical members inserted to the respective first recesses.

REFERENCES:
patent: 4239632 (1980-12-01), Baile
patent: 4491373 (1985-01-01), Sugi et al.
patent: 4886376 (1989-12-01), Osawa
patent: 5149205 (1992-09-01), Tsukada
patent: 5399023 (1995-03-01), Winklemann et al.
patent: 5492413 (1996-02-01), Tsukada
patent: 5494354 (1996-02-01), Tsukada
patent: 5547285 (1996-08-01), Hutzet et al.

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