Patent ID: 6054923
Filing Date: 2000-04-25
Classification: B62B

Abstract:
An anti-theft system for a shopping cart comprising:a collapsible front suspension mounted between the front side members of a base frame of the shopping cart;wherein said collapsible front suspension comprising:a. a support having two opposing sides with surfaces;b. a sensor comprising means for transmitting a trigger signal when a magnetic field or an audio frequency is detected;c. two release pins moveably mounted to the support, the release pins comprising an outer end being extendable beyond the side surfaces, respectively;d. an activation mechanism designed and arranged to retract the release pins upon receipt of the trigger signal such that the release pin outer ends are not extending beyond the respective side surfaces in order to cause the suspension to collapse for inhibiting the shopping cart from being pushed forward;e. two linearly aligned hinge pins extending past the side surfaces, respectively.