Movable or removable closures – With specified means to effect emergency release to closure
Patent
1982-04-14
1984-01-10
Downey, Kenneth
Movable or removable closures
With specified means to effect emergency release to closure
49250, 49465, E05B 6510
Patent
active
044246463
ABSTRACT:
A vent-type window structure, having one or more vent sashes each mounted by means of a pair of hinges respectively disposed at the opposite sides of the sash, wherein at least one of the sashes is positively secured to each of its associated hinges only by a single manually removable pin, to facilitate rapid removal of the sash or sashes for use of the window opening as an emergency egress opening. Each pin has a manually graspable ring at the inner side of the sash, and projects through the side of the sash and the associated hinge, being retained by a yieldable element abutting the hinge; when the pin is pulled manually in an axial direction toward the center of the sash, the latter element yields to enable extraction of the pin. The two pins respectively on the opposite sides of a sash are positioned so that they can be easily withdrawn together by pulling them toward each other. In a preferred embodiment, the yieldable element of each pin is a resilient ring seated in a groove formed around the end portion of the pin projecting beyond the hinge.
REFERENCES:
patent: 1904110 (1933-04-01), Wittmann
patent: 4327523 (1982-05-01), Growely
patent: 4364201 (1982-12-01), Taylor
Alcan Aluminum Corporation
Downey Kenneth
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