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7325584 |
Mechanism for tensioning a compensation spring for a closing or sun protection installation
The invention relates to a mechanism comprising at least one spring ( 3 ) for compensating the weight of a closing screen, said spring ( 3 ) being fixed, at one of its ends ( 32 ), to a ring ( 6 )...
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7147030 |
Operation group for curtains with winding up roll
An operation group for use with a curtain winding roll is described relative to a first embodiment and a second embodiment (G 1 , G 2 ), the first for automatically and the second for manually...
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7040372 |
Information presentation device
An information presentation device and methods for mounting a display sheet to the device. The device includes an elongate housing having a first opening through which the display sheet passes. The...
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6959751 |
Winding system, rolling door assembly including the same and kit for assembling the winding system
A winding system for winding a rolling door assembly. The winding system includes a support bracket, first and second gears. The support bracket is preferably rigidly connectable to a fixed...
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6896027 |
Method and apparatus for suspending a door
A spring tensioning mechanism incorporating a frame having a substantially-planar main panel and a bore passing therethrough, and an axle disposed orthogonally to the substantially-planar main...
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6814127 |
Retractable screen door components and method
A retractable flexible screen for installation to a frame of a fenestration product, the frame having opposite pairs of frame members. The flexible screen extending and retracting across an opening...
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6735905 |
Ratcheting winding cone
A ratcheting system is used to wind a helical torsion spring around a torsion bar in a counterbalancing mechanism for an overhead door having multiple panel sections. The ratcheting system...
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6644378 |
Tensioning device for a door system
A tensioning assembly for a door system, which includes an upwardly acting door supported by a frame and connected to a counterbalance system having a counterbalance spring, the tensioning assembly...
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6629555 |
Retractable screen door
A retractable screen door for drawing a flexible screen panel across an opening, including a flexible screen wound around a spring biased take-up shaft, and guide rails for guiding the screen as it...
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6527037 |
Rolling door tensioner
A rolling door including an axle supported by end brackets, a plurality of drum wheels mounted on the axle, a multi-section door adapted to be selectively rolled and unrolled about the drum wheels,...
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6453975 |
Modular roll-up partition system with tension adjustment mechanism
The present invention is directed to a modular roll-up partition assembly, such as a rolling protective shutter, implementing an improved tension adjustment mechanism for torsion springs used in...
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6263942 |
Modular roll-up partition system with tension adjustment mechanism
The present invention is directed to a modular roll-up partition assembly, such as a rolling protective shutter, implementing an improved tension adjustment mechanism for torsion springs used in...
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6257305 |
Method and apparatus for driving and storing a covering
The instant invention is an apparatus for maintaining approximately constant tension of a curtain between a drive roller and a storage roller. The constant tension is achieved by pre-tensioning the...
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6230582 |
Crank for adjusting awning roller spring force
An awning is attached to and wound on a spring loaded roller. The roller rotates on shafts secured to shaft mounts at each end. The shaft mount is secured on the end of a support arm. A crank has a...
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6116321 |
Parts saving compact roller mechanism
Two designs for a spring-loaded roller mechanism (154a and 154) having monocoque and semi-monocoque characteristics. The monocoque design uses a single tube for both roller and axle (226), thus it...
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5996923 |
Device to automatically roll up bands
The present invention automatically rolls up bands, such as curtains, sunshades and mobile panes. The present invention consists of a tubular structure which incorporates in its interior a spindle...
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5351743 |
Improved roller shutter assembly
The invention provides an improved roller shutter assembly 10 including a cylindrical core 12 having end blocks 14 rigidly located at each end. At least one end block is provided with a mounting...
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5253693 |
Hold and release mechanism for a fire door spring tension adjusting wheel
A hold and release mechanism for a fire door spring tension adjusting wheel includes a finger which is retractable when the adjusting wheel is rotated in a direction to increase the tension of the...
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5179991 |
Receptacle cover
A covering apparatus, for a receptacle having an open top, including a cover having a first end and a second end and a length and width sufficient to cover the open top, a spring loaded roller,...
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5165461 |
Receptacle cover
A covering apparatus for a receptacle having an open top including, a cover having a first end and a second end and a length and width sufficient to cover the open top of the receptacle, a spring...
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5161593 |
Shutter assembly for a bay window
A shutter assembly for a bay window to close an opening by moving a shutter curtain upward from a containing space in the bottom of the bay window and to open it by way of a downward movement of...
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5078198 |
Take-up roller for curtains of the roll-up type
A roller on which a curtain is rolled up has its respective ends closed by a washer and by a cap having two opposed recesses one inside and the other outside the roller. A first support in the...
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5031682 |
Device for adjustable pre-loading of elastic means associated with a take-up roller
A plate for closing one end of a box for housing a window shade roller, includes a cylindrical recess made in the plate coaxially to a through hole and into which a bushing is placed. The bushing...
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4738296 |
Rolling steel door
An improved rolling steel door of the type having interlocking steel slats, each slat being hinged to the slat above and below it. An improved method of holding the slats in vertical alignment with...
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4523620 |
Window shade clutch assembly
A combination window shade and clutch assembly is provided to prevent over-tensioning of the spring motor of the window shade. The clutch assembly includes spool means connected to one end of the...
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4482137 |
Compartment shade
A trunk shade for an automotive luggage compartment having a central torque tube removably installed and held against rotation in fixed mounting brackets in which a torsional windup spring...
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4429729 |
Window shade clutch assembly
A clutch assembly is provided to prevent over tensioning of the spring motor of a window shade. The clutch assembly includes sleeve means, connected to one end of the spring motor, having an axial...
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4427050 |
Window shade clutch assembly
A combination window shade and clutch assembly is provided to prevent over-tensioning of the spring motor of the window shade. The clutch assembly includes spool means connected to one end of the...
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4413665 |
Device for preventing overwinding of a roller blind
The invention relates to a slip coupling for preventing the overwinding of the motor spring of a roller blind. In one embodiment the slip coupling is incorporated as part of a bracket for...
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4228843 |
Roll blind
Disclosed is a roll blind including a winder fitted around a pin of a roll which is on the side of rolling-in spring housed in the roll, in which one means is formed on the end of said roll and the...
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3759568 |
COVER FOR TRUCK BEDS
A cover for truck beds consisting of a flexible cover sheet wound on a reel mounted at the forward end of the truck bed and extendable rearwardly from said reel to cover said truck bed, a...
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2886103 |
Retractable window enclosure
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2825400 |
Combination window and screen
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2696250 |
Rolling door
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2696249 |
Screen web tensioner
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2589608 |
Roller chart
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2520618 |
Overhead rolling door assembly
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2350286 |
Rolling door construction
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2260965 |
Sash balance
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2110048 |
Spring roller construction
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2096443 |
Automatic window screen
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2094444 |
Roller screen structure or the like
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2060676 |
Roller spring adjusting means
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2029143 |
Venetian blind and mechanism for operating the same
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2012261 |
Roller for shades, awnings, curtains or the like
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1947070 |
Device for controlling tension of spring rollers
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1937209 |
Tension controlling device for rolling closures
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1934103 |
Roller screen
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1878710 |
Roller window screen
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1877853 |
Screen roller adjustment device
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