Leverless door mechanism

Details Leverless door mechanism Leverless door mechanism

E - Fixed Constructions

05

D

108/13

E05D 15/10 (2006.01)

Patent

CA 1037782

ABSTRACT OF THE DISCLOSURE: A railway house car plug door includes mechanism for moving the door transversely of the car side wall out of and into closed position and for ensuring that the door locking bars are retracted during such transverse movements, and are in locking position when the door is fully closed and comprises a vertically elongated plate mounted for rack and pinion actuated vertically slidable movement in guides on the door. At its upper end the plate is notched at both sides and provided with protruding ears engageable with rolls on bellcranks to actuate the top locking bars, these bell- cranks being connected by vertical links to bellcranks con- trolling the bottom locking bars. Near its upper end the plate mounts a generally upright, partly inclined slotted cam, the follower of which is mounted on a transversely movable bar pivotally connected at its ends to bars connected to arms on the door operating shafts whereby to rotate the latter between door-closed and door-open positions, the portion of the cam which corresponds to the projected position of the locking bars being vertical to prevent operation of the operating shafts when the locking bars are projected.

241162

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