Window

Details Window Window

1979-10-09

1981-12-29

Kannan, Philip C.

Movable or removable closures

Operator for retractable sealing, guiding or locking strip

Opposed strips actuated concurrently

49320, 49390, E06B 728

Patent

active

043075428

ABSTRACT:
A window with a sash mounted in a frame has elongated draft stops extending along the rails of the sash. The draft stops are disposed in the frame and normally project out to overlap the sash rails. The draft stops are retractible outwardly beyond the outer edges of the rails and the sash is mounted to turn about its vertical centerline when the draft stops are retracted. When a handle mounted in the frame is turned in one direction, it operates a mechanism to retract the lower draft stop. The side draft stops retract in response to retraction of the lower draft stop and this, in turn, raises the upper draft stop so that all of the draft stops are retracted together. Turning the handle in the opposite direction returns all of the draft stops to their projected or active position.

REFERENCES:
patent: 801506 (1905-10-01), Blanchard
patent: 2268114 (1941-12-01), Foster et al.
patent: 2731681 (1956-01-01), Gall
patent: 2753020 (1956-07-01), Ware, Jr.
patent: 2805451 (1957-09-01), Evans et al.
patent: 2805741 (1957-09-01), Evans et al.
patent: 3335523 (1967-08-01), Isler et al.
patent: 3368236 (1968-02-01), Kirby
patent: 3374821 (1968-03-01), White
patent: 4080758 (1978-03-01), Hubbard
patent: 4081934 (1978-04-01), Franz

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