Window stay

Details Window stay Window stay

1990-12-26

1993-04-13

Cuomo, Peter M.

Movable or removable closures

With operator for movably mounted closure

Operating lever or link and closure swing about parallel axes

49345, E05F 1124

Patent

active

052011437

ABSTRACT:
A window stay is provided for a casement type window so that its window sash is shifted outwardly from the window frame as it is being opened. The window stay comprises a first arm, a second arm, and a third arm associated with a driving rod. The first arm has its respective ends pivotally attached to the window sash and the window frame and swings the window sash in relation to the window frame as the driving rod is operated. The second arm has its ends respectively pivotally attached to the window sash and the driving rod and swings the window sash in relation to the first arm as the driving rod is operated. The third arm has its ends respectively pivotally attached to the first arm and the driving rod and swings the first arm in relation to the window frame in accordance with the movement of the driving rod.

REFERENCES:
patent: 2926397 (1960-03-01), Vuncannon
patent: 2981538 (1961-04-01), Bennett
patent: 3071219 (1963-01-01), Vuncannon
patent: 3257755 (1966-06-01), Lewis
patent: 4301622 (1981-11-01), Dunsmoor
patent: 4823508 (1989-04-01), Allen

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