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| Number | Title | Issue Date |
| 7581579 | Operating device for a window covering An operating device 10 for a window covering, comprising a telescopically extendable and retractable handle 12 and means for converting linear telescopic movement of the handle to rotational movement for moving the window covering. Preferably, the move... | 09/01/2009 |
| 7353857 | Chain stopper A ball chain stopper for inhibiting movement of ball chains used in window blinds and the like for moving the blinds between operative positions is adapted to be attached to intermediate chain members which interconnect adjacent balls of the ball chain. The ball sto... | 04/08/2008 |
| 7228797 | Cordless blind A cordless blind includes a headrail, a bottom rail suspended from the headrail by a first cord and a second cord, a wall covering disposed between the headrail and the bottom rail, and a drive actuator. The drive actuator includes a spring motor, a spool coupled to... | 06/12/2007 |
| 7204292 | Window blind having multiple driving modes A window blind is constructed to include a headrail, a blind body suspended below the headrail, a linking mechanism mounted inside the headrail and having a power input device fastened pivotally with the headrail and an actuator rotatable with the power input device... | 04/17/2007 |
| 6971435 | Raising and lowering mechanism, in particular for roller blinds The operation of a roller blind occurs via a ball cord and a pulley. The ball cord may be wound several turns around the pulley, in that oblong axial tracks have been provided in the pulley. Thereby the winding may be preserved without jamming between the windings. ... | 12/06/2005 |
| 6968645 | Sliding service window In accordance with one embodiment of the present invention, a sliding, bi-parting, service window may be operated by pressing on a push operator. In response to such push operation, a pair of bi-parting windows may be caused to slide apart sufficiently to provide a ... | 11/29/2005 |
| 6952897 | Window covering A window covering includes a frame including an upper wall and a lower wall, a first side wall and a second side wall. A window is mounted in the frame and has a length less than a length of the upper and lower walls. A guide assembly extends along a length of the f... | 10/11/2005 |
| 6812662 | Photoelectric power supply system for motorized window coverings A photoelectric power supply system for motorized window coverings includes a light detector electrically connected to a relatively high dielectric capacitor. In turn, the capacitor is connected to an electric motor, and the capacitor is the primary source of power ... | 11/02/2004 |
| 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 cord or tapes are wound and unwound with rotation of the win... | 09/03/2002 |
| 6435254 | Flexible retractable door A flexible, retractable assembly for use as a door, space divider, covering or the like which comprises a sheet such as Mylar polyester film having a permanent memory set to roll up on itself or otherwise retract automatically into a coil, accordion, or o... | 08/20/2002 |
| 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 or tapes are wound and unwound with rotation of the windin... | 12/05/2000 |
| 6032717 | Automatic and electromechanic rolling device for curtains A rolling device that is fixed to a laminar material and is capable of rolling and unrolling the laminar material arranged around a shaft of the device, the device including an arm normally extending from the shaft and freely rotatably connected to the sh... | 03/07/2000 |
| 5857553 | Reducer with Oldham coupling Reducer comprising at least one stage and associated with a nonreturn device and with an Oldham coupling. The nonreturn device consists of two tubular seats fitted one into the other and of a helical spring braking by expansion against the casing of the r... | 01/12/1999 |
| 5709349 | Motorized roller device equipped with adjustable automatic stop A device for the roll-up of blinds or the like that has a tubular motor mounted in a roller tube. An automatic stop and a detector for detecting that the motor is blocked, causing the motor to be stopped. The automatic stop has a screw carrying a travelin... | 01/20/1998 |
| 5661384 | Motor control system and method This disclosure provides a motor control system and method that is preferably applied to cargo power drive units. Power is supplied to a motor having one or more windings and a thermocouple that is embedded in the motor windings. The thermocouple provides... | 08/26/1997 |
| 5466030 | Side loading vehicle: apparatus and method A wheeled body (12) is provided having deck (14) with a framework (20) coupled thereto such that the volume outlined by the deck (14) and the framework (20) is unobstructed. The framework (20) consists of two framed ends vertically extending up from the d... | 11/14/1995 |
| 5211440 | Safety mechanism for vehicle tarpaulin system A safety mechanism used in connection with a tarpaulin which selectively covers and uncovers a vehicle body includes a transmitting member for causing the tarpaulin to move. A drive sprocket is connected to the transmitting member and is rotated by a cran... | 05/18/1993 |
| 4998576 | Reversing screw, aircraft window shade mechanism for a modular aircraft window A reversing screw (102) for a modular self-contained window insert (10), which reversing screw (102) allows movement of the window shade (16) between a full-opened and full-closed position, when the throw of the reversing screw (102) is less than the dist... | 03/12/1991 |
| 4673019 | Garage door screen enclosure A roll-up apparatus comprises a rod having one edge of a flexible screen thereto and means to rotatably mount the rod to a garage door frame. The screen is provided with means to releasably attach its side edges to the side members of the garage door fram... | 06/16/1987 |
| 4644813 | Drive means for roller door An improved roller door drive assembly comprising a drum, upon which a curtain is rolled, and a gear coaxially mounted to and engaged with the drum. The means of engagement consists of a plurality of forks projecting from the gear adapted to engage drum s... | 02/24/1987 |
| 4505512 | Roll-up tarp apparatus A roll-up tarp assembly (10) for an open truck box or trailer (12). The roll-up tarp assembly (10) includes a tarp (14) made from a flexible material. The tarp (14) is securedly attached along one side to the top of the truck box (12). The other side of t... | 03/19/1985 |
| 4503899 | Locking means for gear drive A locking mechanism for a gear drive such as the gear drive of a roll-type shutter or awning. One of the gear shafts, preferably the driving gear shaft, is rotatably supported such as to be longitudinally displaceable, and carries at its free end a transv... | 03/12/1985 |
| 4424852 | Bead-chain drive system for a window shade A bead-chain drive system for operating and positioning a window shade comprises a roller having a window shade mounted thereon, the roller being urged by the weight of the window shade in a direction to lower the shade. The drive system further includes ... | 01/10/1984 |
| 4422493 | Support members and gear drive for shutter and awning devices A support member for the end of a rotatable shaft for winding and unwinding a curtain of articulated slats forming a roll-type shutter or awning. The support member is made of a pair of interlocked, L-shaped plates forming a box-like structure open at bot... | 12/27/1983 |
| 4323105 | Window shade roller assembly A shade roller having a chain operated mechanism at one end thereof for controlling the position of the shade on the window, and means for maintaining the chain operated mechanism against a bracket to help insure proper positioning and operation of the sa... | 04/06/1982 |
| 4294302 | Shutter and awning device A combined shutter and awning protective device for an opening in a wall such as a window, comprising a plurality of slats of uniform cross-section slidably received within one another and having a rotary member by means of which the shutter can be rolled... | 10/13/1981 |
| 4223714 | Window shade roller assembly A shade roller having a chain operated mechanism at one end thereof for controlling the position of the shade on the window, and means for maintaining the chain operated mechanism against a bracket to help insure proper positioning and operation of the sa... | 09/23/1980 |
