Abstract: Louvre structures wherein holding members for the louvres are carried on bars which extend across a frame and are pivotally mounted with respect to the frame so as to be axially rotatable relative to the frame and which cannot be removed from the frame, at least when the window is installed.

Abstract: An apparatus is provided for securing a window covering to a window by attachment to the frame of a window pane in a manner which retains the window covering in spaced apart relation relative to the window pane. This apparatus can be snap-fit onto the window pane without use of penetrating fasteners. This apparatus also permits utilization in retrofit double pane arrangements and facilitates removal of individual window panes with the window covering as a single unit to avoid disconnection of through-window adjustment controls.

Abstract: A multiple glazed window unit and venetian blind assembly in which a rectangular glass spacer frame has at least one of its upper and lower frame members connected to at least one of the side frame members by at least one electric motor unit, each motor unit including a housing and an electric motor, the housing being connected, to one of the horizontal frame members and one of the side frame members, so that the housing forms a corner of and a structural part of the frame. The electric motor is used to operate a venetian blind mounted between the panes of glass carried by the glass spacer frame.

Abstract: A high security grating which resembles a conventional wooden window shutter. The shutter uses crossbars which extend across a door or window into a shutter frame. A tie rod extends through bores in the crossbar ends to tie the crossbars together and hold them in place. A metal frame covers the tie rods and shutter blades cover the crossbars. The shutter blades can be pivoted using an operator rod. The shutters are mounted inside a building using heavy duty hinges and deadbolts which allow them to be alternatively closed over a door or window or folded away to the side.

Abstract: A venetian blind support for a between-the-pane window blind includes an anchor clip secured to the bottom of the upper window frame rail detachably engaged by an anchor bar connected to the window blind by a rod-type hook. The support is self-centered in the window frame and the blind is self-centered as it is held by the support.

Abstract: A glass spacer adapted for use in a window unit having two spaced glazings including a venetian blind assembly positioned between the glazings. The spacer includes a body member which extends between the slats parallel to the edges thereof and a privacy strip which extends substantially the length of the body portion and which is perpendicular to the body portion to overlap a portion of the slats of the blind assembly.

Abstract: An improved security bar system for louvered windows is disclosed. The window unit has louvered blades which pivot on horizontal stub shafts.The security bars are mounted on the stub shafts where the louver blades hide them from view and provide an esthetically pleasing window unit. Each security bar has a hardened steel rod with holes bored in each end for receiving the stub shafts and a hardened steel sleeve which freely rotates on the steel rod and covers the rod and stub shafts. The steel rod freely rotates on the stub shafts which are themselves freely rotatable. Therefore, any attempts to cut the security bar will cause the steel sleeve to rotate. Should the steel sleeve be held stationary and cut, the covered steel rod will rotate due to the action of the saw blade.

Abstract: A variable discharge grille assembly is arranged in an air discharge opening of a room air conditioner. The assembly includes a frame surrounding the air discharge opening and a louvered air deflecting grille arranged in the frame. The louvered air deflecting grille is pivotally supported on the air discharge opening frame, and a built-in stop feature keeps the grille from coming out of the frame during operation. The position variations of the air deflecting grille relative to the air discharge opening frame is accomplished by a rachet arrangement that includes a yieldable finger on the grille which snaps into detents formed on the frame surrounding the air discharge opening.

Abstract: A light screen device for an automobile window includes a plurality of vanes located adjacent to a window and rotated to a light-blocking position when the vehicle is not in operation and to a light-admitting position when the vehicle is operated.

Abstract: A unitized secondary glazing frame venetian blind assembly. The secondary frame and blind assembly is adapted to be installed with a prepositioned primary glazing frame such that the blind assembly is positioned between a primary glazing and a secondary glazing. The secondary frame has mounting portions between which the blind assembly is suspended and side extensions overlapping the ends of the slats of the blind assembly.

Abstract: A vacuum insulating window and reflector for controlling the heat gain and loss of a structure in which rotary vanes redirect infra red radiant energy while at the same time thermal transfer due to convection and conduction are reduced to a minimum.

Abstract: A sun blind for motor vehicles including a plurality of horizontally extending slats (2) supported by "ladder" assemblies (4) including rigid side pieces (6) and cross-pieces supporting and locating the slats. An electric motor (10) is connected between the ladder assemblies and a fixed mounting point in such a way that rotation of the motor causes the angle of the slats to be varied. An automatic control circuit opens the blind whenever the ignition of the vehicle is switched on and closes it at a predetermined time after the ignition is switched off.

Abstract: An insulated glass spacer support for use in an insulated glass structure. The support has fastener means thereon adapted to fasten a spacer element thereto which extends between opposed surfaces of two parallel spaced apart glazings. A portion of the support is adapted to extend over edges of the glazings such that the support resists any bending or deflection of the spacer elements due to bending forces that may be imparted on the spacer elements by a venetian blind assembly.

Abstract: A window blind, preferably used with van windows, is disclosed. The window blind comprises a plurality of slats, and first and second framework members. The first and second framework members are virtually identical and only the first will now be described. The first framework member includes a first and a second sidepiece, and a plurality of struts. Each one of the struts is pivotally connected at one end portion thereof to the first sidepiece, and is pivotally connected at an opposite end portion thereof to the second sidepiece. Each strut is longitudinally spaced from an adjacent strut. Each one of the struts includes means such as indented portions thereof for securing an edge portion of one of the slats thereto. The first sidepiece preferably includes opposite end portions engageable with the window for fixing the first sidepiece of the framework member to the window.

Abstract: A window blind for controlling the amount of light admitted through a window, door, skylight, or the like. The blind is secured at the top and bottom of the window, making it suitable for use with all types of windows in buildings or vehicles, regardless of the relative orientation of the window with respect to the base of the structure or vehicle. The blinds have a plurality of horizontal slats, sequentially arranged in vertical alignment, and gear driven elements for supporting and adjusting the position of the slats.

Abstract: An improved skylight blind for mounting in the light well of a skylight. The blind has a frame which defines a substantially rectangular opening through which visible light transmitted through the skylight can pass in order to enter the interior of a structure in which the skylight is incorporated. Slats are mounted on the frame so that when closed light is substantially not transmitted through the blind and when open the slats of the blind present a minimum of obstructions to such light. A motor plus controls opens and closes the blinds in response to manual controls or temperature and light sensitive controls. The slats and motor are enclosed between two planar sheets of an impact resistant and transparent material which planar sheets are secured to the frame to form an enclosure.

Abstract: A sealed double glazed window comprises two spaced panes of glass sealed in a frame and a slat blind positioned in the space between the panes having control means for adjusting the slats. The inner pane of glass has a hole therethrough for providing access to the control means of the slat blind. An adjusting device is mounted about the hole so that the slats of the blind may be adjusted while maintaining the window seal. The adjusting device has a flexible diaphragm sealed about the hole and has adjusting means passing through the hole from the diaphragm to the control means thereby maintaining the hermetic seal of the window unit.

Abstract: A system for suspending at least one shutter and for elevating the shutter or shutters for use as an awning. The shutters are slidable along rails and are engageable so as to cover a predetermined width when closed.

Abstract: The following disclosure shows a window security system. The window security system comprises a grate or security bar assembly that is hinged to the outside of a window and includes louvres attached to the grate for protecting against the elements and in particular, sunlight. The grate is hinged to the window at one side, while on the other side, it is secured by means of a latch comprising a pointed latch pin which is engaged by a pair of jaws that are pivotally actuated by a toggle member. The toggle member can be actuated by a solenoid or by a hand operated cable or other assembly attached thereto. The solenoid can be either pushbutton operated or operated by means of a smoke detector. The entire assembly, including the grate and the louvres are opened at the time of the smoke detector detecting combustion to protect against entrapping occupants in the building.

Abstract: A shutter for a skylight or a window comprises a transparent housing and a shutter assembly within the housing. The shutter is formed of louvres comprising light weight S-shaped reinforced foil members pivoted at their ends with light weight pivot pin bearings. A counterbalanced crank arm rotates the louvres by way of one of the pivot bearings.

Abstract: A window casement designed to be attached to a window frame outside the window sash operative on the one hand to serve as a storm window and on the other hand to provide supplemental heating during the winter and cooling during the summer.

Abstract: Doors and windows of the louver type are protected against unauthorized entry and against severe storm conditions by having a channeled frame member positioned interiorly of the door or window aperture, a solid panel received within said channeled frame member and adjustable lock means to lock the solid panel in the frame member from the interior side.

Abstract: Energy-conserving window blinds are provided. The blinds are fabricated from coupled and adjustable slats, each slat having an insulation layer and a reflective surface to face outwardly when the blinds are closed. A range of desired light and air transmission may be selected with the reflective surfaces of the slats adapted to direct sunlight upward toward the ceiling when the blinds are open. When the blinds are closed, the insulation of the slats reduces the heat loss or gain produced by the windows. If desired, the reflective surfaces of the slats may be concave. The edges of the slats are designed to seal against adjacent slats when the blinds are closed to ensure minimum air flow between slats.

Abstract: A high thermal efficiency window which is comprised of a low conductivity ame carrying a spaced pair of panes or lites. The space between the panes is divided into a series of vertically spaced-apart cells by a blind structure disposed between the panes, the slats of the blinds being essentially in contact with the interior faces of the panes whereby convection losses are minimized. The device is characterized by the blind being shiftable between an open or see-through configuration and a privacy configuration, the longitudinal edges of the elements defining the blinds being in contact with the interior faces of the panes in both said see-through and privacy configurations thereof.

Abstract: A blade holder for a louvre window comprises an elongated member having a longitudinally groove for retaining an end edge of a louvre blade, a rebate of cruciform cross-section formed in that surface of the elongated member which is disposed adjacent the surface of a window frame on which the blade holder is pivotally mounted, and a drive plate for pivotally mounting the elongated member on the window frame, the drive plate comprising a main body and a boss separated by a bearing portion, the bearing portion being in rotational engagement within an aperture in the window frame, and the boss having a cruciform cross-section so that it has a driving engagement with the rebate in the elongated member. Two hardened steel pins are mounted on the driving plate to extend axially through the boss to prevent removal of the louvre by sawing through the boss.

Abstract: A louver shutter having a louver slat adjusting device provided with a driving member moving up and down along a supporting frame provided intermediate the side frames of the louver shutter so that, when said driving frame is moved up and down relatively with the supporting frame, a supporting shaft for each louver slat may be rocked and also including a mechanism for locking the supporting frame and driving frame.