Security device for a cart wheel

Details Security device for a cart wheel Security device for a cart wheel

1993-11-19

1995-07-11

Ro, Bentsu

Electricity: motive power systems

With particular motor-driven load device

318 16, 70226, 188 69, 280 33994, B62H 514, B60R 2508

Patent

active

054324122

ABSTRACT:
A security device for a cart wheel utilizing a housing which is mounted to the cart in the vicinity of the wheel. A locking element supported to the housing and is selectively movable into positions engaging the cart wheel or being disengaged from the cart wheel. A motor is employed to move the element in such reciprocal motion and is operated by a controller. The controller includes a counter to determine the number of revolutions completed by the wheel, and a trigger for starting the motor upon receipt of a signal from the counter representing a preselected number of revolutions completed by the wheel.

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patent: 4868544 (1989-09-01), Havens
patent: 5194844 (1993-03-01), Zelda

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