Robin Diane Trimble

US Patent:

54996970, Mar 19, 1996

Filed:

Sep 15, 1994

Appl. No.:

8/306405

Inventors:

Willard R. Trimble - Bloomingdale IL
Robin D. Trimble - Bloomingdale IL
Emerson Trimble - Bloomingdale IL

International Classification:

B62B 504

US Classification:

188 19

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.