Movable or removable closures – Mounted for multidirectional or oblique movement – Initial or terminal movement transverse to sliding movement...
Patent
1984-05-09
1986-09-02
Downey, Kenneth
Movable or removable closures
Mounted for multidirectional or oblique movement
Initial or terminal movement transverse to sliding movement...
49225, 49450, E05D 1510
Patent
active
046087770
ABSTRACT:
This disclosure relates to a door closing apparatus for use primarily with a railway car including a side wall, a door opening formed in the side wall, an upper rail on the wall adjacent the upper portion of the opening and a lower rail on the side wall adjacent the lower portion of the opening, and a door mounted for movement on the rails and movable between open and closed positions relative to the opening. The apparatus comprises lower rollers adjacent the bottom of the door for supporting the door on the lower rail, and upper rollers adjacent the top of the door for engagement with the upper rail, the rails having curved portions enabling the door to be pushed into the opening. A handle bar is pivotably mounted on the door and a lock shaft is movably mounted on the door and linked to the handle. A strike is mounted on the side wall adjacent the lock shaft when said door is in said closed position, and pivotal movement of the handle bar causes the lock shaft to move into the strike. The shaft and the strike have cooperating wedging surfaces thereon for forcing the door laterally into the opening as the shaft is moved into the strike. An auxiliary door roller is preferably provided adjacent the top of the door and helps to control movement of the door. A handle bar lock is mounted on the door adjacent the handle bar, and it is operable to automatically engage and hold the handle bar when the handle bar is moved to force the lock shaft into the strike.
REFERENCES:
patent: 2511425 (1950-06-01), Beauchamp
patent: 2591412 (1952-04-01), Ditchfield
patent: 2937416 (1960-05-01), Hiers
patent: 3324595 (1967-06-01), Loomis
patent: 3786599 (1974-01-01), Galbarzyk et al.
Downey Kenneth
Kawasaki Jukogyo Kabushiki Kaisha
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