Hinge means for a pivotable window

Details Hinge means for a pivotable window Hinge means for a pivotable window

1975-10-01

1977-03-15

Larkin, G. V.

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

Sash balances

Spring

49388, E05D 1108

Patent

active

040116280

ABSTRACT:
A hinge means for a pivotable window includes a link, formed as a casing and enclosing two meshing gears connecting two pivots, of which one is adapted to be attached to the casement, and the other is adapted to be connected to the frame. These gears will govern the movement of the frame with respect to the link, and the movement of the link with respect to the casing, so the frame will swing about twice as much in relation to the casing as the link will do. Both gears cooperate with braking members at the link, so a continuous braking force is at hand all during a 180.degree. turn of the frame. The attachment for the link at the frame includes a fitting and a fitting plate, having hook means and mating grooves, respectively shaped to ensure a safe retention of the frame in the casement, but permitting an easy mounting and dismounting of the frame.

REFERENCES:
patent: 2569109 (1951-09-01), Lidin
patent: 2948916 (1960-08-01), Lewin
patent: 2979761 (1961-04-01), Flodell

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