Hinge suitable for use in a roof window assembly

Details Hinge suitable for use in a roof window assembly Hinge suitable for use in a roof window assembly

1991-04-29

1993-12-21

Larson, Lowell A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Having plural hinge axes

16371, 52200, E05D 1532, E05D 1106, E04B 718

Patent

active

052711242

ABSTRACT:
The invention provides a hinge suitable for use in a roof window assembly having a frame and a movable sash, connected to each other by a pair of hinges according to the invention. Each hinge includes a first hinge element connectable to the frame and a second hinge element connectable to the sash. A pair of linkages, each pivotally connected to both hinge elements is so arranged as to allow rotational movement of the sash through angles exceeding 120 degrees.

REFERENCES:
patent: 2355542 (1944-08-01), Loftin
patent: 4446597 (1984-05-01), Dantzer-Sorensen et al.
Bouwwereld, vol. 65, No. 22, Oct. 24, 1969, Doetinchem NL 'het nieuwe velux dakvenster type GGL commercial supplement.
Blefa, a brochure entitled "Model BL centre-hung attic roof window for luxurious atmosphere", 1 page, labeled Exhibit A.
Roto, a brochure entitled "Abbaino Roto WDF 410", 2 pages, labeled Exhibit B.
Velux, an untitled brochure, 4 pages, labeled Exhibit C.
Braas, a brochure entitled "Braas Roof Window BL/BK", 2 pages, labeled Exhibit D.

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