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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 7665507 | Blind A blind comprises a turnably supported pulley, a control member of which one end is connected to the pulley so as to permit the control member to be wound around and unwound from the pulley, an urging member which urges the pulley in the direction of winding the con... | 02/23/2010 |
| 7287570 | Window covering lifting system and method A window covering, a lifting system for a window covering and a release mechanism for a lifting mechanism are disclosed. The window covering includes a head rail, a bottom rail, a window covering, a drive shaft and a lift cord attached to the bottom rail. The releas... | 10/30/2007 |
| 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 |
| 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 pull element, the covering can be raised in increments. A ... | 05/01/2001 |
| 6142211 | Shade operator with release brake An operator for a window covering held on a roller or axle has a stationary member having a central cavity and a first bore sized and positioned so that the roller can pass through the bore into the central cavity. A release brake is positioned so that th... | 11/07/2000 |
| 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 pull element, the covering can be raised in increments. A ... | 10/10/2000 |
| 5791393 | Shade operator An operator for a window covering has a stationary member and a hub which is moveable relative to the stationary member when not restrained. Preferably these members are a tube or solid cylinder within a tube. A spring having a selected diameter is fitted... | 08/11/1998 |
| 5566741 | Roll screen apparatus A roll screen apparatus improved in operation and manufacturing, wherein the winding up and down of the roll screen are effected in such a manner so that the rotation of the pulley, by the pulling down of the operation cord, is transmitted to the screen w... | 10/22/1996 |
| 5232038 | Drives for wind-up blinds The disclosed drive uses a ball chain and sprocket for adjusting a wind-up blind and a locking device activated by the ball chain into cooperation with the sprocket for blocking the sprocket and locking the drive, avoiding any large stress in the chain.... | 08/03/1993 |
| 4932456 | Bead-chain drive for roll up blinds The disclosed ball-chain drive for a wind-up blind has a chain-activated locking device that acts directly on the sprocket and remains effective even if the ball chain breaks or is jostled. The locking device in one form has such symmetry that the ball-ch... | 06/12/1990 |
| 4475580 | Mechanism for a roller blind A mechanism for the roller of a roller blind, in which a housing has rotatably mounted therein a pulley over which a ball cord, passes, with two pieces of cord hanging down, one from each side of the pulley. The balls of the ball cord can be engaged in on... | 10/09/1984 |
