Device for opening and closing a window, a door, or the like

Details Device for opening and closing a window, a door, or the like Device for opening and closing a window, a door, or the like

E - Fixed Constructions

05

F

E05F 11/10 (2006.01) E05F 11/16 (2006.01)

Patent

CA 2139728

In a device for opening and closing a window, a casement moves between a closed and an open position with respect to a stationary frame. This is done by means of a longitudinally displaceable toothed rack, which effects the movement of the casement by means of a carrier. In order to obtain a space- saving, easy to operate device, it is proposed not only to move the casement by means of the toothed rack, but also to move a moveable closing element in the frame between its latching position and unlatching position with a stationary carrier located on the frame. Both carriers are connected respectively to the toothed rack by means of an independent coupling, which is rendered effective and ineffective at an associated change-over location. These two change-over locations are arranged in a specific place in the path of longitudinal displacement of the toothed rack, respond to the associated coupling and are automatically effective.

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