Trapped object release system for a transit vehicle door

Details Trapped object release system for a transit vehicle door Trapped object release system for a transit vehicle door

B - Operations, Transporting

60

J

B60J 5/00 (2006.01) B60J 5/06 (2006.01) B60K 28/12 (2006.01) B61D 19/02 (2006.01) E05F 13/00 (2006.01) E05F 15/00 (2006.01)

Patent

CA 2315393

Method of facilitating release of an object caught by one or more closing transit vehicle door(s) in a motorized door system having a two stage lock, the two stage lock having a fully locked position and a pushback lock position. The method includes detecting the presence of the object by the effect of the object on either the position or the velocity of the door(s). The method also includes determining whether the door(s) are in a pushback range between the fully locked position and the pushback lock position. If an object is detected and the door(s) are in the pushback range, then one or more signals are supplied to a motor of the door(s) to move the door(s) in the door opening direction to or toward the pushback lock position.

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