Movable or removable closures – Collinear closures – one moves to offset position – Moved closure has additional movement
Patent
1984-04-19
1986-02-18
Downey, Kenneth
Movable or removable closures
Collinear closures, one moves to offset position
Moved closure has additional movement
49130, E05D 1520
Patent
active
045703817
ABSTRACT:
An insulated single plane window or door assembly including a casing defining a generally rectangular opening in a building wall and having first and second pairs of spaced parallel tracks with each pair being adapted to support a glazing frame with the glazing frames normally disposed for sliding movement in parallel laterally spaced vertical planes and for pivotal movement to incline the glazing frames from their respective vertical planes, with one pair of tracks being adapted to displace the glazing frame supported therein laterally into the vertical plane of and into substantially edge-to-edge relation with the other glazing frame to close the door or window assembly. The casement includes a mullion extending transversely of the rectangular opening adjacent to the juxtaposed edges of the two glazing frames when in the closed position and a resilient seal is provided between the mullion and an external surface of the respective glazing frames. A manually actuated lock carried by one of the glazing frames is adapted to cooperate with the mullion to lock the glazing frames in the closed coplanar relationship and in engagement with the resilient seals to provide a secure, weather-tight closure.
REFERENCES:
patent: Re31721 (1984-11-01), Sterner, Jr.
patent: 2317312 (1943-04-01), Swanson et al.
Downey Kenneth
Product Design & Development Inc.
LandOfFree
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