Locking assembly for wheeled cargo transportation cart

Details Locking assembly for wheeled cargo transportation cart Locking assembly for wheeled cargo transportation cart

1998-02-27

2000-08-08

Oberleitner, Robert J.

Brakes

Vehicle

Truck

188 5, 280 4734, 280 7911, B60T 100, B60T 114

Patent

active

060987618

ABSTRACT:
A locking assembly for a wheeled transportation cart, comprising an adjustment member in rotatable engagement with the frame of the wheeled cart. The adjustment member is selectively adjustable between a locked position thereby preventing rolling movement of the wheeled cart, and an unlocked position thereby allowing rolling movement of the wheeled cart. The adjustment member contains a first knee formed by a first bent section in the adjustment member which is engaged between a first locking element and a first locking channel, and a second knee formed by a second bent section in the adjustment member which is engaged between a second locking element and a second locking channel. As the adjustment member rotates between the locked and the unlocked positions, the adjustment member forces the first and second locking elements downward toward a support surface and engages a first and second locking assembly spring means to urge the first and second locking elements into contact with the support surface.

REFERENCES:
patent: 2796150 (1957-06-01), Gambardella
patent: 3231050 (1966-01-01), Belyeu
patent: 4073369 (1978-02-01), Nordskog
patent: 5035445 (1991-07-01), Poulin
patent: 5462300 (1995-10-01), Chien
patent: 5472219 (1995-12-01), Eckstrum

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