Window operator assembly

Details Window operator assembly Window operator assembly

1994-09-16

1996-04-23

Kannan, Philip C.

Movable or removable closures

With operator for movably mounted closure

Operating lever or link and closure swing about parallel axes

49344, 49346, E05F 1124

Patent

active

055092349

ABSTRACT:
An operator assembly for a casement window that includes a frame and a pane carrying sash. The operator assembly is mounted to the frame and an elongated arm connects the operator assembly and the sash. Movement of the arm moves the sash relative to the frame for opening and closing the window. The operator arm includes a pivotally mounted and linerally moveable handle which is moveable between a first and second position. A ratchet-type gearing system is provided to connect the handle and operator arm and to effect movement of the operator arm in response to movement of the handle. A selector associated with the handle and gearing system is provided to effect and control the direction of sash movement in response to the movements by the handle. A locking system is provided to engage the gearing system to prevent movement of the gearing system due to loads on the sash that are transmitted to the gearing system through the sash and operator arm. The locking system is biased to an engaged position but is disengaged by movement of the actuator handle and a device associated therewith.

REFERENCES:
patent: 1924557 (1933-08-01), Johnson
patent: 1982269 (1934-11-01), Schaffert et al.
patent: 2576536 (1951-11-01), Reynaud

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