Viewing aids useful for doors and windows, especially in aeroplanes, comprising as an essential element a pane made of a transparent material, which pane has at least one optically active surface comprising a plurality, i.e. at least two, of prisms, or a Fresnel lens, or a combination of both.

A protective cover for vehicle windows which includes a length of flexible sheet material having a first retainer clamp provided on one end for removable attachment to one of the front door posts of a vehicle, three additional retainer clamps adapted for engaging the sheet material in spaced relationship with respect to the first cover clamp and attachment to the remaining front door post and the rear window posts of the vehicle and a leading edge member attached to the opposite end of the sheet...

An improved window arrangement is disclosed. The window arrangement has the appearance of a conventional sash and case window from external a building having it fitted. However, the window benefits from improved insulation and sealing on a second sash provided to the interior of the building. Importantly, the innermost sash has a seal around the main frame of the window in a single plane.

A foldable arcuate blind for arched windows using a central transmission mechanism for opening and closing.

A window for an aircraft door includes an outer pane, an inner pane, and a Fresnel lens element provided in the interspace formed between the inner and outer panes. The Fresnel lens element may be a self-supporting lens element pane positioned intermediately within the interspace between the inner and outer panes, or a lens film adhesively bonded onto the surface of the inner pane facing the interspace, or a Fresnel lens configuration provided directly on the surface of the inner pane facing the...

A split door jamb having a support frame and a trim frame utilize a unique mounting system. The support frame includes two vertical side frame members connected by a laterally-extending top member. Each side frame member includes a plurality of adjustable fasteners for mounting the side frame members to walls defining a door opening. One frame member has at least one hinge pad for carrying a door or similar object to cover the opening. The support frame carries outwardly-extending tongues and to...

A device for turnable windows including a frame having a first side face and a second side face, each of the side faces of the frame including a longitudinal groove; a casement having a first edge side face and a second edge side face, the casement being pivotally mounted within the frame by pivots positioned at mid-points of the casement and a link-arm mechanism extending between a respective pivot and the frame, each of the first edge side face and the second edge side face including a first g...

The invention relates to an adjusting device (20) for hinged windows (21) comprising, as components, a base body (25), a control element (26), an actuating lever (27), and a connecting bracket (28). These elements are connected to one another in twos and in an articulated manner by means of a hinged joint. The base body (25) is fastened with one end thereof to a body part (22). The connecting bracket is fastened with one end thereof to the hinged window (21). A detent device is preferably provid...

A window operating system for moving a vehicle window up and down that includes an electric drive motor having a gear coupled to a window movement mechanism through a magnetic clutch assembly wherein the drive gear includes a crank extending outwardly therefrom and through the door facing surface and is selectively connectable to a roll up crank having a fold out handle and a protruding socket member. The door facing surface includes a cavity or chamber into which the emergency crank can be stor...

A window having a frame with a windowpane disposed therein is provided. A first impedance discontinuity element is disposed between the windowpane and the frame adjacent a portion of a periphery of the windowpane. A second impedance discontinuity element is disposed adjacent another portion of the periphery of the windowpane. The first and second impedance discontinuity elements have different impedances.