Caster equipped with a stopper

Details Caster equipped with a stopper Caster equipped with a stopper

1977-11-30

1978-09-05

Feldbaum, Ronald

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

Casters

Locked

188 1D, B60B 3300

Patent

active

041108663

ABSTRACT:
A caster equipped with a stopper for use in a wagon, a chair or the like, comprising a proper whose shell is formed into a substantially circular arc and which supports wheels through an axle, a stopper piece which is provided at an inner end of the proper and which freely contacts with parts of the wheels so as to lock or unlock the wheels, a lock pin which protrudes from a window provided in the proper, a compression spring which is interposed between the stopper piece and boss portions of the proper and whose elasticity acts on the lock pin as an unlocking force, a control piece which is provided with a lock hole for snugly and slidably inserting the lock pin therein, which is mounted at a desired inclination angle relative to the lock pin and whose base end is fixed to the proper, and a release pin which protrudes from a window provided in the proper and which, when pushed inwards, depresses a free end of the control piece.

REFERENCES:
patent: 1671774 (1928-05-01), McIntosh
patent: 2987141 (1961-06-01), Brooks
patent: 2996154 (1961-08-01), Vial
patent: 3002589 (1961-10-01), Cook
patent: 3031037 (1962-04-01), Stollman

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