Operator for a casement-type window

Details Operator for a casement-type window Operator for a casement-type window

1979-05-31

1981-12-15

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

Swings on plural axes; e.g., pivotal link arms

49324, 49342, E05D 1530, E05F 1100

Patent

active

043052282

ABSTRACT:
An operator for a casement-type window having a frame and a sash mounted by a slider adjacent an edge of the sash for rotational opening and closing movement about a slider pivot axis with linear movement of the slider. The operator has a first sector gear fixed to the sash with the gear center offset relative to said slider pivot axis and a second gear meshing with the sector gear and functioning as a drive gear with a first link functioning to hold said gears in meshed relation and a constraining link connectable between the sash and the window frame with the constraining link and said first link acting to guide the opening and closing movements of the sash.

REFERENCES:
patent: 1302765 (1919-05-01), Carrier
patent: 2797917 (1957-07-01), Lickteig, Jr. et al.
patent: 2926399 (1960-03-01), Ramunas
patent: 2948027 (1960-08-01), Gill, Jr. et al.

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