Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent
1988-02-18
1989-08-29
Britts, Ramon S.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
49354, E06B 332
Patent
active
048608114
ABSTRACT:
A turnable window arrangement has a window sash to be rotated about a horizontal axis through approximately 180.degree. relative to a window frame. The window frame is provided with a separately removable air screening filter secured to the frame in a position inside the swinging path of said sash. A link arm mechanism is arranged to lock the sash in different positions between completely closed and opened venting positions.
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patent: 2620214 (1952-12-01), Coccetti
patent: 2702205 (1955-02-01), Germain
patent: 2881483 (1959-04-01), Ginther
patent: 3747272 (1973-07-01), Martin
patent: 3773371 (1973-11-01), Carlsson
A/S Spilka Inco Ltd.
Britts Ramon S.
Kolman David G.
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