Operator for a casement-type window

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

1979-05-23

1981-05-12

Kannan, Philip C.

Movable or removable closures

Mounted for multidirectional or oblique movement

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

49342, E05D 1530

Patent

active

042663717

ABSTRACT:
An operator for a casement-type window having a sash mounted adjacent one edge thereof for combined pivoting and linear movement relative to a window frame with the operator having a member movably engaged with the sash adjacent an outer edge thereof for imparting opening and closing force to the sash. The operator includes linkage and gear structure connected to said member and operable in response to manual movement for moving said member in a path which closely approximates the movement of the sash outer edge to cause said member to always act adjacent the outer edge of the sash.

REFERENCES:
patent: 2050403 (1936-08-01), Weiner
patent: 2119911 (1938-06-01), Fox-Williams
patent: 2298158 (1942-10-01), Piron
patent: 2948027 (1960-08-01), Gill, Jr. et al.
patent: 3085299 (1963-04-01), Reynaud
patent: 3085797 (1963-04-01), Anderberg et al.
patent: 3258874 (1966-07-01), Martin
patent: 3457675 (1969-07-01), Armstrong

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