Plug door operating and moving mechanism

Details Plug door operating and moving mechanism Plug door operating and moving mechanism

1977-08-26

1978-09-19

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

Initial or terminal movement transverse to sliding movement...

49218, 49360, E05D 1510, E05F 1100

Patent

active

041143183

ABSTRACT:
Mechanism for moving plug type railway car doors transversely of the car side into and out of the door opening therein and longitudinally of the car side toward and away from the opening comprises a carriage adjacent the front of the door supporting the door directly on a mounting track and a mounting shaft adjacent the rear edge of the door supported via a crank on a track supported carriage, a longitudinal rack on the car side adjacent the door with manually actuated pinion means supported thereon and movable longitudinally thereof, operating means on the door actuable by longitudinal movement of the pinion means for unlatching the door and for rotating the door mounting shaft to move the door outwardly and inwardly, including means for automatically disconnecting the operating means from rotation-producing relation with the mounting shaft when the door is latched and when the door is being moved longitudinally of the car, and stiff resilient means for retaining the door in its selected outward and inward positions and thereby eliminating the possibility of interference betewen the door and car side during longitudinal movement of the door, into and out of registry with the door opening therein.

REFERENCES:
patent: RE28443 (1975-06-01), Ross, Jr. et al.
patent: 3990184 (1976-11-01), Bollinger, Sr.

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