E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 15/12 (2006.01) B60J 5/04 (2006.01) B61D 19/02 (2006.01) E05F 17/00 (2006.01) E05B 65/10 (2006.01) E05F 15/10 (2006.01)
Patent
CA 2385009
An emergency release mechanism for use with a door operator of a multi-passenger mass transit vehicle for manually opening a door of this mass transit vehicle is provided. The emergency release mechanism comprises a toggle mechanism having a first and second fixed pivot and a movable pivot positioned between this first and second fixed pivot. The first fixed pivot is secured to a wall portion of the vehicle. A target member, capable of moving in a vertical direction, is provided. A clamping lever is provided which has a first end and a second end. The first end of the clamping lever is pivotally attached to the second fixed pivot of the toggle mechanism and the second end of the clamping lever is capable of engaging the target member. A means is provided for mounting the clamping lever such that the clamping lever is capable of pivoting in a first and second direction to one of an engaging and disengaging position with respect to the target member. An actuating means is connected to the movable pivot of the toggle mechanism for pivoting the clamping lever in one of an engaging position and disengaging position with the target member for moving the target member in a vertical direction for achieving an emergency release of the door of the mass transit vehicle.
Pagowski Stefan
Rinker Earl
Macrae & Co.
Westinghouse Air Brake Technologies Corporation
LandOfFree
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