Electronic blue flag safety equipment

Details Electronic blue flag safety equipment Electronic blue flag safety equipment

B - Operations, Transporting

61

C

B61C 17/12 (2006.01) B60S 5/00 (2006.01) B60T 17/18 (2006.01) B61L 23/00 (2006.01)

Patent

CA 2212902

A method of preventing movement of a locomotive while personnel are working on the locomotive. The method includes placing the brakes of the locomotive under the control of a card reading control box, and providing personnel employed to work on the locomotive with identification cards readable by the box. Each worker inserts his or her card in the box before working on the locomotive, and the control box reads the cards and in response thereto maintains the brakes of the locomotive at full service until personnel have left the locomotive and the control box is cleared by workers again inserting their cards in the box, or by a master key in the possession of an engineer/operator of the locomotive.

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