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8156688 |
Clip and frame assembly and components thereof
The invention is directed to a clip and frame assembly for a louvre window, including a frame with a frame channel and a clip rotatably coupled to the frame, the clip having at least one channel on...
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7487616 |
Rail car door sealing gasket
A sealing gasket that provides a seal between two members. The gasket includes a base at one end of the gasket and a gutter-forming surface at the opposite other end of the gasket. There is a pair...
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7059611 |
Gap sealing arrangement
In order to improve the fit and the sealing effect of a sealing arrangement which is intended to seal a gap (2) between two components (3, 4), which can be moved relative to each other, and an edge...
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6945540 |
Sealing connection element, sealing end piece and a seal
The invention relates to a sealing connecting element, a sealing end piece and a seal. In practice different seals are known which are produced as three dimensional structures and then given to the...
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5560147 |
Movable louver window
A movable louver window has a frame body and a plurality of double-vane assemblies each having first and second louver vanes and a pair of left and right coupling members. Each pair of left and...
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5267414 |
Louver assembly
A louver assembly is provided which includes a frame having vertical side jambs, a head, a sill, and a central opening. A plurality of vertically-spaced, substantially-straight horizontal louver...
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5048253 |
Louver with maximum free area
The cross sections of louver blades are located exclusively within zones defined primarily by concentric arcs configured to maintain a substantially equal spacing between the boundaries of the...
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4889040 |
Insulated and non-metallic transparent and fully sealed louver system
A new non-metallic louver system made of substantially transparent polycarbon resin material by extrusion processing, which allows light through the closed louver blades when in the closed...
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4850138 |
Door with an adjustable louver
A door for use in a building, which includes a door frame defining an opening, and a louver arranged in the opening of the door frame. The louver includes a plurality of slats aligned parallel to...
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4823836 |
Dampers with leaf spring seals
A leaf spring seal to effect sealing contact between such members as a damper blade and a frame consists of a set of leaf springs having their inner portions held together by clamping components of...
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4813183 |
Dual louver blade jalousie window
Jalousie apparatus is presented whereby a pair of louver blades are affixed one behind the other to a rotatable shaft for opening and closing the blades in unison. Spacers are positioned between...
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4709506 |
Swivel shutter assembly
A swivel shutter assembly providing a plurality of louvers rotationally held within a framework which presents, by ship-lap type of construction between adjacent louvers, a flat wall type...
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4541328 |
Damper seal apparatus
In general, a sealing apparatus for substantially preventing the flow of air through a damper assembly having a plurality of movable vanes includes a first, rigid sealing member having a generally...
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4527355 |
Opening and closing type louver device
An opening and closing type louver device comprising a louver in which a number of blades are arranged in a row in a required spaced relation on rotating shafts within a frame. Each blade is opened...
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4513534 |
Shutter for ventilation systems
A louver type shutter for ventilation systems has hollow flaps which are pivotally mounted in a frame. Seals made from a foamed sheet material are located between the flaps and the frame and the...
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4509290 |
Shutter construction
An improved shutter construction is provided with a plurality of louvers supported by relatively low friction two-piece bushing assemblies for pivoting movement with respect to a shutter frame in...
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4497134 |
Exterior louver and louver apparatus
Exterior louver apparatus includes a frame (11) with an oblique frame member (15) with a plurality of exterior louvers (19) having pivot pins in the ends with a universal-type joint (46, 47) in the...
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4493342 |
Double louver damper
A double louver damper for use in a duct system conveying hot gases and particles in order to permit safe entry to be made therein when servicing is required has a frame to be incorporated in the...
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4469132 |
Damper apparatus
A damper assembly for controlling the flow of fluid through a passageway is disclosed. The damper assembly comprises a rectangular frame (22) adapted to be fitted in a passageway. A plurality of...
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4304248 |
Damper blade operating mechanism
An assembly comprising a fluid damper with movable blades which is contained in a duct. On the outside of the duct there is a blade release mechanism. A fusible actuating cartridge is arranged to...
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4294283 |
Wedge sealed damper
A damper assembly comprising, in combination, a generally rectangular frame including side, top and bottom members, a plurality of damper blades supported at opposite ends on the side members of...
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4292763 |
Reflective insulating blinds for windows and the like
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...
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4256143 |
Shut-off damper
A shut-off damper comprising a line of blades which are supported in a surrounding frame for rotary motion about substantially parallel axes to open or close an opening in the frame, and springy...
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4241539 |
Seal for sides of pivoted blade structures
The sides of the blades in a pivoted blade structure are mounted against a laterally curved, relatively rigid, side seal strip having centrally positioned on the protruding portion of the curve a...
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4213446 |
Stove door operator
A stove for burning combustible materials having a fire box at least in part lined with a fire resistant lining and having an opening across a front surface thereof, said opening defined by a...
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4199898 |
Closure apparatus with snap-in seal strips
A snap-in metal strip, longitudinally bent into a V shape with the upper ends of both arms of the V being turned outward to the horizontal, thus creating longitudinal lips on the strip, is used to...
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4192098 |
Air damper apparatus particularly for heating, ventilating and air conditioning systems
A multiple bladed air damper unit for heating, ventilating and air conditioning systems includes separate and individual end edge seal elements sealing off the end edges to the frame in the closed...
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4184288 |
Smoke and fire shield damper
A combination smoke and fire shield damper comprising a line of blades each of which is so supported for rotation in a surrounding frame that the blades are swingable about parallel axes to open or...
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4057936 |
Thermally insulated window system
A thermally insulated window system for use in windows and doors which provides a thermally insulated frame and means for completely insulating the area of the frame. Novel panel sections are used...
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4043258 |
Louver linkage seal
A plurality of linkage seals are provided in an air distribution vent having a plurality of movable louvers for directing an air stream. A common linkage connects the louvers together for...
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4038781 |
Jamb seal
A louver assembly has a plurality of louver blades and pivot shafts pivotally supported for adjustable movement between open and closed position in a frame which includes two opposed vertical side...
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3986300 |
Operating means for pivoted windows
Operating means for a window including a horizontally pivoted panel comprises an elongated torque tube extending parallel to the panel pivot axis. A torque-transfer element is pivotally connected...
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3964377 |
Insulated closures for attic fans, and seals therefor
Insulated closures for attic fans, and the like, one modification of the apparatus having an insulated panel which is removably disposed to cover the attic fan opening, and another modification...
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3905284 |
Adjustable grille
The grille has a frame assembly which defines an air passage and includes a pair of opposed frame segments, from which the opposite ends of a plurality of parallel spaced deflector blades are...
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3894481 |
Multi-blade damper
A multiple blade damper having a rectangular frame and a plurality of identical rectangular blades mounted on transversely extending parallel shafts. When the blades are swung to closed position,...
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3885347 |
Damper wind stop and blade seal design
A damper assembly including a frame, and a plurality of blades carried by the frame which are movable between open and closed positions. Each blade is roll-formed of light weight sheet metal, and...
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3832940 |
LOUVER UNIT HAVING A FIRE RESISTANT SEAL
A louver unit which closes to prevent passage of smoke through air ducts, provided with a fire resistant seal that does not deteriorate at high temperatures. The louver unit includes a housing...
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3750332 |
CLOSURE MECHANISM FOR LOUVER WINDOWS
A closure mechanism for louver windows utilizing a reciprocating closure actuation bar and a plurality of elongated springs interconnecting it with the several individually pivoted sections of the...
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3706165 |
SUPPORT ASSEMBLY FOR THE LOUVER OF JALOUSIE WINDOWS
A louver for a jalousie window is provided with an end clip by which the louver is pivotally supported on the window frame and to which rotary movement is imparted to operate the louvers. The clip...
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3698429 |
GAS TIGHT ISOLATORS AND VALVES
A cantilever seal for an isolator or valve comprises a cantilever leaf spring and a bias spring acting on the leaf spring to tension the leaf spring when in a free position, the bias spring being...
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3682084 |
COMBINED VENTILATING LOUVER AND BACK DRAFT DAMPER
A back draft air damper is incorporated within a ventilating louver with pivotally mounted damper blades movable between a closed position in which the damper blades restrict air flow in a reverse...
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3631790 |
AUTOMATIC CLOSING LOUVER
A compact louver assembly including fixed blades inclined in the direction of air movement and movable blades pivotally supported at their opposite ends intermediate the fixed blades. The movable...
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3591980 |
LOUVRE ARRANGEMENTS
A louvre arrangement comprising a plurality of louvre boards each mounted at their ends by mounting members of thermoplastic materials. The mounting members each including an integral projection,...
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3544156 |
SHUTTERED ROOF FOR TRUCKS,TRAILERS AND THE LIKE
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3540154 |
JALOUSIE CONSTRUCTIONS
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3530783 |
DAMPER APPARATUS AND MOUNTING CLIP TO HOLD AN INFLATABLE SEALING MEMBER
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3500583 |
LOUVERED BUILDING STRUCTURES
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3484990 |
DAMPER ASSEMBLY
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3460289 |
AWNING TYPE SECURITY WINDOW
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3447443 |
DAMPER ASSEMBLY
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