Linearly actuated locking device for transit vehicle door...

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 15/20 (2006.01) B60J 5/06 (2006.01) E05B 65/08 (2006.01) E05B 65/36 (2006.01) E05B 65/38 (2006.01) E06B 7/00 (2006.01) E05B 47/02 (2006.01) E05B 51/02 (2006.01) E05B 65/00 (2006.01)

Patent

CA 2372322

A locking device for attachment to a fixed portion of a transit vehicle door system is for locking one or more doors of the transit vehicle door system in either a fully locked position or a pushback lock position. The locking device has a simple lock arm, biased toward the locking position and rotatably attached to the fixed portion of the transit vehicle door system at a first pivot of the rotary lock arm, the rotary lock arm having at least one door engagement portion for engaging a portion of the door(s) for locking the door(s) when the rotary lock arm is in at least one of the locking position and the pushback position thereof. A linear actuator, rotating the lock arm to the unlocked position when energized, is attached to the fixed portion of the transit vehicle door system and connected to a second pivot of the lock arm, said second pivot offset from the first pivot. A lock actuator sensing switch provides a feedback on the actuator position to the transit vehicle control system. Means are provided within linear actuator to manually rotate lock arm toward unlocked position for opening doors during an emergency.

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