Castors

Details Castors Castors

1974-08-23

1976-04-13

Hunter, H. Hampton

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

Casters

Locked

B60B 3300

Patent

active

039494446

ABSTRACT:
This invention relates to castors, for example for builders' staging and hospital beds. The castor includes an upright spindle on which wheel-carrying plates are mounted, a wheel having an axle extending through openings in the plates, a wheel braking device, cam means for moving the axle along the openings to and from a braking position, said openings being of constant depth so that the axle has substantially no play and the cam means has cam slots so shaped that movement of the cam plates causes braking device to engage the wheel firmly when not loaded, the load being then shared by the axle and the wheel.

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