Full-opening window linkage assembly

Details Full-opening window linkage assembly Full-opening window linkage assembly

1980-09-15

1982-12-21

Downey, Kenneth

Movable or removable closures

Mounted for multidirectional or oblique movement

Swings on plural axes; e.g., pivotal link arms

49249, 49251, E05D 1540

Patent

active

043642012

ABSTRACT:
An improved linkage mechanism for the opening and closing of a transom-type window, allowing for the window sash to fit tightly within the window frame in a closed position while, on the other hand, allowing for maximum open space for escape through the window frame when the window is opened. A tight fit between the sash and frame of the window is accomplished by having flanges on the sash and linkage means which causes the window sash to be first translated away from the window frame upon opening, providing enough clearance for the window to then be pivoted to an open position on a pivotal axis disposed away from the frame. The linkage is also designed to allow for maximum open space for individuals to escape through the window frame in an open position and a latch mechanism for holding the window in the full-open position for escape.

REFERENCES:
patent: 2784459 (1957-03-01), Anderberg et al.
patent: 3197818 (1965-08-01), Sargent et al.

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