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Document |
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7360736 |
Viscous braking device equipped with monodirectional mechanism, particularly for mosquito curtains
A monodirectional braking mechanism for use with a device for extending and retracting a sheet of material on a roller, the braking mechanism comprising one or more than one housing, one or more...
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7246648 |
Friction device for rolling up curtains and the like
A friction device for rolling up curtains and the like includes a tubular roller ( 1 ), on which a curtain ( 1 a ) is wound. The roller ( 1 ) is rotatably carried by a support ( 10 ) and a threaded...
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7234503 |
Roll screen for reduction device
The present invention relates to a reduction device for a roll screen, as a compressive piston of a reduction part comes in and out inside of a cylinder combined with a one end of inside of a...
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7210513 |
Screen frame with integral roll screen compartment and improvements thereof
A sliding screen frame for a closure assembly having an opening and an existing track for mounting a screen, the screen frame has framing sections with both inner and outer side edges, and a...
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7134474 |
Elastic coupling device for connecting two rotating parts
The invention concerns an elastic coupling device comprising a first cylindrical part ( 46 ), a second cylindrical part ( 47 ), at least partly tubular and enclosing the first part with its tubular...
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7086441 |
Hydraulic governor device for use with a rotational shaft, and door assembly including the same
A hydraulic governor device for use with a rotational shaft of a door assembly for controlling a rotation of said rotational shaft. The device includes a sleeve; first and second end coverings...
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6955207 |
Friction device for roll-up curtains and the like
A friction device ( 10 ), applied to roll-up curtains and the like, includes a tubular roller ( 1 ), on which the curtain ( 2 ) rolls up, and which is rotatably carried on a horizontal axis. The...
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6938667 |
Automatic wind-up screen device
An automatic winding screen device has a coil spring fixed to a bracket at one end of a winding box, the other end of the coil spring being fixed to a winding shaft, and a damper for alleviating...
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6923398 |
Mechanism for winding sheet material
A winding mechanism retains a sheet material in a state in which the sheet material can be pulled out. The winding mechanism includes a flexible sheet material, a winding shaft attached to one end...
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6854505 |
Speed reducer for retractable screen systems
A retractable screen mechanism is disclosed for covering an opening. The retractable screen mechanism comprises two tracks mounted on opposing sides of the opening. A screen comprises a screen...
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6749142 |
Apparatus for winding sheet-like element
A sheet-like element winding apparatus has an accommodating case 1 , at one end portion of which a cap 2 is attached to, and also has a winding shaft 3 , disposed in the accommodating case 1 ,...
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6666252 |
Winding mechanism
A winding mechanism for controlling the retraction and deployment of an architectural covering, such as a window blind or shade having a winding element 12 , about which the covering, or its lift...
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6591890 |
Speed reducer for retractable screen systems
A retractable screen mechanism having two tracks mounted on opposing sides of an opening and a screen with a screen material mounted on a frame having two flexible opposing sides corresponding to...
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6550597 |
Emergency brake mechanism
In an emergency brake mechanism of the present invention, a rotation input shaft is increased in rotation speed by a planetary set-up gear to centrifuge weights. Through the action of the...
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6467714 |
Winding mechanism for roller blinds
A roller for a roller blind in the shape of a tube (T) comprising a mechanism known per se is braked by means of friction, in that a compression spring ( 7 ) is compressed when the blind is pulled...
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6443210 |
Winding mechanism
A winding mechanism for controlling the retraction and deployment of an architectural covering, such as a window blind or shade having a winding element 12 , about which the covering, or its lift...
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6223802 |
Control system for coverings for architectural openings
A control system for a vertically moveable covering for an architectural opening includes a uni-directional drive assembly that is operated with a single pull element such that upon pulling of the...
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6155328 |
Winding mechanism
A winding mechanism for controlling the retraction and deployment of an architectural covering, such as a window blind or shade having a winding element, about which the covering, or its lift cord...
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6129131 |
Control system for coverings for architectural openings
A control system for a vertically moveable covering for an architectural opening includes a uni-directional drive assembly that is operated with a single pull element such that upon pulling of the...
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6123134 |
Method and apparatus for regulating the closing speed of a rolling fire door
A mechanism for regulating the closing speed of a rolling fire door during an emergency condition. The speed regulating mechanism includes a viscous speed governor which is operatively connected to...
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6059008 |
Braking device for shutter for building
A device for preventing a shutter curtain from falling by its own weight and allowing the shutter curtain to descend in a braked manner, is provided such that separate space for the device does not...
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5634507 |
Driving device for vertically movable shutters
The invention relates to a driving device for a roller shutter 1. For driving the roller shutter 1 into the open position there is provided a motor 8 with a drive 7 and a chain drive 5 which acts...
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5542464 |
Roller blind with screen rolled up by a spring and rolled down by hand
A clutch-brake type roll blind is provided with a wind-up spring for rolling up a screen on a tube and a weight bar free from a pulling string, being suitable for use with a tall window extending...
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5022452 |
Rolling fire door
A rolling fire door consists of a plurality of interconnected fireproof slats forming a curtain which is received by a pair of tracks along the sides of an opening to be secured. A torsion spring...
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4848522 |
Safety device to prevent accidental unwinding of a rolling shutter or rolling overhead door wound on a shaft
A safety device for preventing accidental unrolling of a rolling shutter or overhead door comprising a cogwheel which has uniformly distributed on the circumference opening outward for containing...
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4838333 |
Roller blind with a centrifugal-mass brake located outside the roller and an end support containing the brake
A roller blind comprising a horizontal roller for supporting the blind and mounted for rotation about its own axis, a blind having an upper edge fixed to the roller and a free lower edge, resilient...
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4521048 |
Vehicle supported collapsible bed with shelter cover
Vehicle supported collapsible bed with a shelter cover comprises a pair of spaced upright center sections upon a support panel overlying and secured to the vehicle roof, and longitudinally spaced...
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4188992 |
Brake device for rotatable and spring loaded rods, foil or cloth material being attachable to said rods
A braking device for roller blind spring loaded rods compressing a sleeve affixed to the end of the rod carrying therein several radially movable weight segments. The shaft upon which the rod...
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4112996 |
Safety device for arresting unrolling of roller blinds
A roller blind with a safety device for arresting accidental unrolling of the blind in which a concentric blocking shaft is affixed to the winding shaft, a gear fastened to the blocking shaft, a...
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2946377 |
Temperature-operated rolling steel doors
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2122670 |
Shade roller check
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2119408 |
Shade roller check
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2105469 |
Retrieving mechanism
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2104321 |
Carinet
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2040301 |
Roller shade mechanism
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2031473 |
Shade roller
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2031459 |
Shade roller
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1624053 |
Shade roller
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1411865 |
Shade-roller safety catch
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1403340 |
Shade-roller stop
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1373641 |
Shade-roller
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1352410 |
Shade-roller
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1342017 |
Spring roller-blind
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1329092 |
Shade-roller lock
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RE05576 |
Title is not available
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1268914 |
Title is not available
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1255817 |
Title is not available
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0869396 |
Title is not available
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0826284 |
Title is not available
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0823745 |
Title is not available
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