Theft defeating improvements for shopping carts

Details Theft defeating improvements for shopping carts Theft defeating improvements for shopping carts

2002-09-16

2008-11-04

Vanaman, Frank B (Department: 3618)

Land vehicles

Wheeled

Nesting vehicles

Reexamination Certificate

active

07445215

ABSTRACT:
An anti-theft system for a shopping cart includes a mounting structure for supporting anti-theft apparatus on the cart, the mounting structure being secured to the base frame of the cart. The anti-theft apparatus is removably carried by the mounting structure, with the anti-theft apparatus including a collapsible front suspension assembly having a housing; a first set of casters mounted to the housing, retractable pin elements carried by the housing and engagable with the mounting structure for maintaining the front suspension assembly in operative mode in which the first set of casters engage a supporting surface, a sensor assembly for detecting an activation signal and actuating the retractable pin elements to cause retraction of the pin elements and render the front suspension assembly inoperative, and a second set of casters fixed to the shopping cart base frame for preventing the cart from moving in a linear direction when the front suspension assembly is rendered inoperative.

REFERENCES:
patent: 3333860 (1967-08-01), Kalpin
patent: 3361438 (1968-01-01), Davis
patent: 4242668 (1980-12-01), Herzog
patent: 5002292 (1991-03-01), Myers
patent: 5033757 (1991-07-01), Lloyd
patent: 5357182 (1994-10-01), Wolfe et al.
patent: 5836596 (1998-11-01), Wanzl
patent: 6264217 (2001-07-01), Le Roux
patent: 6271755 (2001-08-01), Prather et al.

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