Seal for swivel caster assembly

Details Seal for swivel caster assembly Seal for swivel caster assembly

1993-10-22

1995-10-31

Larson, Lowell A.

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

Casters

Antifrictionally swivelled

16 35R, 384482, B60B 3302

Patent

active

054617537

ABSTRACT:
A seal for a swivel caster assembly is disclosed. The seal protects the first ball bearing set of the assembly. The seal has a V-shaped cross section formed by seal legs that are joined at a bight and extend radially inward, and are in surface contact with the top plate and a notched swivel element of the assembly. The seal includes embossments that engage the notched swivel element and accept the pin of a swivel lock assembly.

REFERENCES:
patent: 2787804 (1957-04-01), Noelting et al.
patent: 2891827 (1959-06-01), Butkus
patent: 3479680 (1969-11-01), Clinton et al.
patent: 3892448 (1975-07-01), Laing
patent: 3936105 (1976-02-01), Asberg
patent: 4028773 (1977-06-01), Morgan
patent: 4097954 (1978-07-01), Christensen
patent: 4118080 (1978-10-01), Kregler et al.
patent: 4336629 (1982-06-01), Jarvis, Jr. et al.
patent: 5005992 (1991-04-01), Dreschmann et al.

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