Shopping cart automatic dual brake

Details Shopping cart automatic dual brake Shopping cart automatic dual brake

1994-09-15

1996-03-19

Oberleitner, Robert J.

Brakes

Vehicle

Cart

188 29, B62B 504

Patent

active

054996970

ABSTRACT:
A new and improved shopping cart automatic dual brake with an inverted U-shaped frame secured to the shopping cart below its handle by a guide block. A pair of swivels are secured to the U-shaped frame. A pair of brake components each of which having an upper plate. The upper plate is secured to the pair of swivels. A lower plate aligns with the upper plate. An aperture is formed through the upper plate and the lower plate. A brake shaft is disposed within the aperture and extends outward of the upper plate. An acorn nut is secured to one end of the brake shaft. A brake shoe is secured to another end of the brake shaft. The brake shoe is positioned above the wheels of the shopping cart. A spring with a spring guide is secured to around the brake shaft. The spring serves to force the brake shoe onto the wheel.

REFERENCES:
patent: 3095211 (1963-06-01), Altherr
patent: 3117653 (1964-01-01), Altherr
patent: 3276550 (1966-10-01), Honeyman
patent: 4768622 (1988-09-01), Nicklasson et al.
patent: 5288089 (1994-02-01), Bowers et al.
patent: 5325938 (1994-07-01), King

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