Brakes – To retard rolling of caster
Patent
1990-05-22
1991-08-27
Butler, Douglas C.
Brakes
To retard rolling of caster
188 19, 188 21, 188 29, 188 74, F16D 6600
Patent
active
050426222
ABSTRACT:
A shopping cart has a foot brake assembly added as an improvement. The assembly comprises a shopping cart caster frame variable length mounting bracket with a worm clamp for mechanically attaching the brake housing and subsequent brake assembly to the shopping cart caster frame. The brake mechanism itself is comprised of a toggle pedal, connector arms, a brake arm, a brake foot travel adjuster rod, a brake foot, aligning and lubricating spacers, as well as required tension pins. The pedal is pivotably attached to the connector arms and pivotably attached to the brake housing. The connector arms are pivotably attached to the brake arm which is pivotably attached to the brake housing. the brake foot travel adjuster rod is screwed into the brake arm and is bonded to the brake foot. The brake foot engages the shopping cart caster wheel when the toggle pedal is depressed by a downward force applied by the operator's foot to the rear portion of the top surface of the toggle pedal. The brake foot disengages the shopping cart caster wheel when a downward force is applied by the operator's foot to the forward portion of the upper surface of the toggle pedal.
REFERENCES:
patent: 3112121 (1963-11-01), Hummer
patent: 3117653 (1964-01-01), Alther
patent: 3458015 (1969-07-01), Collins et al.
patent: 3942608 (1976-03-01), Frank et al.
patent: 4018449 (1977-04-01), Anderson
Powers Ralph L.
Smith Leonard
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