Movable or removable closures – With means mounting closure for swinging – Closure nests within portal frame
Patent
1977-05-27
1978-09-12
Downey, Kenneth
Movable or removable closures
With means mounting closure for swinging
Closure nests within portal frame
49501, 49505, E05D 700
Patent
active
041126211
ABSTRACT:
A vent door and frame assembly for cargo bodies includes a pair of rectangularly shaped frame members one of which defines a door frame opening and supports in hinged relation a vent door. The frame members during assembly with a wall construction are positionable in telescoping relation wherein they overlap opposite sides of a cargo body and when in this position form a permanent frame structure connected to the sides of the body. By virtue of the telescoping relationship of the frame parts the frame assembly is adapted to be readily utilized with cargo bodies having walls of different thickness.
REFERENCES:
patent: 1050924 (1913-01-01), Dowd
patent: 3055969 (1962-09-01), Schaller, Jr.
patent: 3130651 (1964-04-01), Werner
Ehrhart Leonard M.
Mazik, Jr. Paul E.
Pratte John R.
Anderson Thomas C.
Downey Kenneth
Pullman Incorporated
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