Powered display for shopping cart

Details Powered display for shopping cart Powered display for shopping cart

1990-05-04

1991-12-17

Mitchell, David M.

Land vehicles

Wheeled

Nesting vehicles

40482, 280DIG4, 310 75D, B62D 3900

Patent

active

050729560

ABSTRACT:
A powered display is mounted on a shopping cart (12'") and powered by movement of the shopping cart. In one preferred embodiment of the present invention, the powered display includes an electronic display (260). Rotational power from a wheel (22'") of the shopping cart is transmitted through a bowden cable (16'") to a generator (262). The generator converts the rotational power to electrical energy to power the electronic display.

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patent: 4513983 (1985-04-01), Calder
patent: 4648610 (1987-03-01), Hegyi
patent: 4773175 (1988-09-01), Larsen
patent: 4930795 (1990-06-01), Tannehill et al.

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