Stopper for caster

Details Stopper for caster Stopper for caster

1981-12-23

1984-10-30

Leppink, James A.

Brakes

To retard rolling of caster

188 69, 16 35R, 74483PB, F16D 6300

Patent

active

044795661

ABSTRACT:
A stopper for a caster which has a push-button slidably inserted into a mounting hole radially perforated at a frame for journaling wheels, and a stopper rotor so mounted rotatably in parallel with an axle at the push-button as to be elastically urged by a spring in an outward direction and for stoppers formed at the ends thereof on the peripheries of the wheels. An actuator is formed at the stopper rotor, and a cam groove is formed in the mounting hole of the push-button for stepwisely engaging the actuator by the pressing operation of the push-button and the recoiling operation of the spring. Thus, the wheels can be readily locked and unlocked effectively with only one push-button repeatedly operated in pressing the push-button.

REFERENCES:
patent: 2946237 (1960-07-01), Hebert
patent: 3571842 (1971-03-01), Fricke
patent: 3772733 (1973-11-01), Stosberg et al.
patent: 4077087 (1978-03-01), Mooney
patent: 4110866 (1978-09-01), Ishii

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