Castor assembly

Details Castor assembly Castor assembly

1977-07-11

1980-07-22

Larson, Lowell A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Casters

Antifrictionally swivelled

16 29, B60B 3300

Patent

active

042132258

ABSTRACT:
A castor assembly comprising a swivelling fork and a an upper fixing plate having, respectively, an integrally formed inner and outer bearing race, and a plastic cover providing lock-nuts for mounting and an aperture for channeling lubricant to the bearing.

REFERENCES:
patent: 1392913 (1921-10-01), Chesnutt
patent: 1796044 (1931-03-01), Nagy
patent: 1979378 (1934-11-01), Gannett
patent: 2468399 (1949-04-01), Grossman
patent: 2899700 (1959-08-01), Egan
patent: 2971211 (1961-02-01), Kramcsak, Jr.
patent: 3428378 (1969-02-01), Divine et al.
patent: 3602941 (1971-09-01), Lewin
patent: 3758930 (1973-09-01), Frost et al.
patent: 4013808 (1977-03-01), Crawford

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