Cart including a frame mounted on castors and a castor in partic

Details Cart including a frame mounted on castors and a castor in partic Cart including a frame mounted on castors and a castor in partic

1996-08-01

1998-08-25

Johnson, Brian L.

Land vehicles

Wheeled

Nesting vehicles

16 18R, B62D 3900

Patent

active

057976112

ABSTRACT:
A cart includes a frame mounted on castors, at least two castors being provided at a first end of the cart on respective opposite sides of a mean longitudinal axis of the cart. Each castor at this first end includes a device for locking the castor against pivoting acting unidirectionally to allow the castor to pivot freely in one direction by a sufficient amount and to prevent it from pivoting in the opposite direction. The two castors at the first end of the cart on opposite sides of the mean longitudinal axis of the cart have opposite locking directions.

REFERENCES:
patent: 3828392 (1974-08-01), Bolger
patent: 4494272 (1985-01-01), Morita
patent: 5199728 (1993-04-01), Hutchinson
patent: 5263266 (1993-11-01), Schmidt

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