Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent
1975-09-02
1977-08-02
Kannan, Philip C.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
49 63, 49163, 160187, 160193, E06B 332
Patent
active
040390187
ABSTRACT:
A window construction including a frame and inner and outer window structures is provided. The inner window structure is vertically shiftable in the frame a limited amount and may be swung horizontally inwardly toward an open position after being upwardly shifted in the frame from its lower position, the inner window structure and frame including coacting portions locking the inner window structure against swinging movement to the open position when the inner window structure is shifted downwardly relative to the window frame. The outer window structure includes upper and lower sections pivotally joined together along their adjacent marginal edge portions and the opposite ends of the upper and lower marginal portions of the upper and lower sections, respectively, includes outstanding guide pins slidably and rotably received in opposing vertical grooves formed in the opposite side upright portions of the window frame. The adjacent marginal portions of the upper and lower sections of the outer window structure may be displaced outwardly of the window construction frame whereby to "break" the outer window structure toward an open position. Removable pins are engaged with the upper portions of the opposite side uprights of the main frame below the guide pins. Accordingly, the outer window structure, when in the open position thereof with the adjacent marginal edge portions of the upper and lower sections displaced outwardly of the main window frame, may be selectively retained at an upper portion of the main window frame or allowed to shift downwardly toward a lower portion of the main window frame.
REFERENCES:
patent: 1129497 (1915-02-01), Laragy
patent: 1298187 (1919-03-01), Dunn
patent: 1387479 (1921-08-01), Dutcher
patent: 1452732 (1923-04-01), Dutcher
patent: 1757048 (1930-05-01), Janeczko
patent: 2076194 (1937-04-01), Epstein et al.
patent: 2330696 (1943-09-01), Exiner
patent: 2771133 (1956-11-01), Haskell
Jacobson Harvey B.
Kannan Philip C.
O#Brien Clarence A.
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