Swivel caster having thread protection

Details Swivel caster having thread protection Swivel caster having thread protection

1978-03-30

1980-06-17

Krizmanich, George H.

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

Casters

Scrapers

B60B 3300

Patent

active

042076510

ABSTRACT:
A swivel caster comprising in general a wheel, a hemispherical die casting having a spindle mounting the wheel, the die casting having an edge closely adjacent to one side of the wheel, and notches formed at the edge of the hemispherical die casting, the edges forming the notches being in planes generally tangent to circles having axes coincident with the axis of the spindle.
In addition a flat cover is provided to isolate rough spots due to die casting.

REFERENCES:
patent: 2742663 (1956-04-01), Meadows
patent: 3040371 (1962-06-01), Rice et al.
patent: 3060488 (1962-10-01), Skupas et al.
patent: 3075232 (1963-01-01), Rice et al.
patent: 3177516 (1965-04-01), Price et al.
patent: 3235901 (1966-02-01), Rice et al.
patent: 3928888 (1975-12-01), Lapham
patent: 3964124 (1976-06-01), Crawford

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