Swivable caster

Details Swivable caster Swivable caster

1986-11-17

1988-01-19

Jordan, M.

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

Casters

Wheels

16 38, B60B 3300

Patent

active

047196645

ABSTRACT:
A swivable caster includes plastic wheel means rotatably mounted on a plastic stem at the lower end thereof. Near its upper end the stem is provided with an annular groove having a nylon split ring disposed therein and having its peripheral portion disposed outside of the groove. This peripheral portion engages a downwardly facing shoulder that extends inward from the internal wall forming a socket that receives the stem. Engagement of the split ring with the shoulder limits insertion of the stem into the socket. During this insertion the split ring is compressed radially so that it acts as a friction means to hold the stem in the socket and also provides a bearing for swiveling of the stem.

REFERENCES:
patent: 1869966 (1932-08-01), Janda
patent: 1879429 (1932-09-01), Noelting et al.
patent: 3894310 (1975-07-01), Screen et al.
patent: 3997938 (1976-12-01), Pinaire et al.
patent: 4361930 (1982-12-01), Seesengood
patent: 4544425 (1985-10-01), Provolo

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