"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7347484 | Bed lift mechanism A lift mechanism is mounted to a support for raising and lowering a bed. The lift mechanism is attached to a side of the bed and includes at least one chain, at least one bed bracket connected to the chain, and a drive mechanism for controllably moving the chain to ... | 03/25/2008 |
| 7198320 | System for moving a bed using a rack and gear A structure includes a support member and a toothed wheel which cooperate with each other to vertically moved a bed. ... | 04/03/2007 |
| 7178180 | Stow-away bed A stow-away bed is disclosed that includes a flat rectangular deck pivotally mounted between opposed vehicle end walls by a pair of parallel swing arms. The parallel swing arms allow the bed deck to remain horizontal as the deck is manually swung between the storage... | 02/20/2007 |
| 7121612 | Vehicle including multiple items that move vertically A vehicle includes a cargo area which is configured to receive an off-road vehicle. The vehicle may include a bed which moves vertically between a use position and a stowed position. The vehicle may also include a seating unit which moves vertically between a use po... | 10/17/2006 |
| 7121613 | Vehicle including multiple items that move vertically A vehicle includes at least two items that move vertically between a lowered position and a raised position. In one embodiment, one of the items is a seating unit having a seat back and a seat base such as a couch or a dinette. The seating unit may convert into a be... | 10/17/2006 |
| 6988760 | System for moving a bed using a chain A structure is described which includes a bed which is moved vertically using one or more chains. ... | 01/24/2006 |
| 6983980 | System for moving a bed using an endless drive A structure is described which includes a bed and an apparatus having a flexible drive member which moves along an endless path. The apparatus is coupled to the structure and to the bed, and the apparatus is used to vertically move the bed along the endless path. | 01/10/2006 |
| 6698040 | Retractable bed A retractable bed for mounting in a ceiling of a room. The retractable bed includes a cap member for mounting on mounting rafters of a framed section in a ceiling and has a cap cavity. The cap member comprises a top wall, and a pair of cap side walls and ... | 03/02/2004 |
| 6651273 | Lift bed Lift bed with a bed frame carried on at least two carriages, whereby each carriage is supported movably on a guide rail arranged vertically for moving the bed frame in the vertical direction and whereby each carriage consists of two parts which are suppor... | 11/25/2003 |
| 6629322 | Manual assisted vertical lift bed The present invention relates to a manual assisted vertical lift bed used for increased sleeping capacity, storage and space in a confined living space. The lift bed may also provide safe operation for lowering and raising the lift bed through use of a be... | 10/07/2003 |
| 6507962 | Ceiling mounted sleeping system A bed platform and winch system having a sleeping platform for supporting a mattress, a ceiling support attached to the ceiling and having a winch contained therein, and wires connecting the winch to the sleeping platform and extending through the ceiling... | 01/21/2003 |
| 6231114 | Autonomous counterbalanced bed frame assembly for trailers having counterbalance means pushing toward a rear wall of the trailer A movable bed frame for installation in a conventional trailer and which has a unique counterbalance system for raising the bed frame to a horizontal up or storage position and for lowering the bed frame in a horizontal down position. The counterbalance s... | 05/15/2001 |
| 5638559 | Berth arrangement A berth arrangement for installation in a sleeping compartment having a ceiling formed with a downwards open recess, comprises a berth holder and a bearing for mounting the berth holder for turning relative to the ceiling structure between a generally hor... | 06/17/1997 |
| 5461735 | Bed or cot structure which can be retracted into a ceiling A bed or cot structure which can be retracted into a ceiling. The bed structure is designed to fit within a recess, formed in a ceiling, which serves as a receptacle for the structure. An elongate pivoting support is rotationally coupled at one end within... | 10/31/1995 |
| 5377787 | Vertically displaceable platform A platform (1) comprising a fixed structure (2) and a plate (3) movable in translation comprising four corners (4). Each corner (4) of the plate is secured to a vertical translation structure (5) which ends in a counterweight (6). A fixed structure compri... | 01/03/1995 |
| 5363520 | Space-saving bed A free-standing, self-supporting bed has a movable platform supported by a stationary frame. The platform may be elevated vertically to a stored position higher than head height when the bed is not in use. Counterweights allow the platform to be elevated ... | 11/15/1994 |
| 5020169 | Elevation bed This invention discloses an electrically driven elevation bed apparatus which moves up and down while keeping its horizontal posture, in order to make effective use of indoor space. The elevation bed of this invention includes improved driving systems and... | 06/04/1991 |
| 4888836 | Lighter-than-air-furniture Furniture which resides in one of a levitated position and a sunk position is disclosed. The furniture includes a bladder which is shaped to remain stable when placed on a floor and which is shaped to support a body. The bladder contains a lighter-than-ai... | 12/26/1989 |
| 4853989 | Device for folding or retracting a bed, or its analogue into a false ceiling The invention concerns a device to unfold and retract a bed, a sofa or something similar into a structure in a false ceiling. The object of the invention is a device that unfolds and retracts a bed, or the like designed to be integrated in a system of sus... | 08/08/1989 |
| 4837877 | Elevation bed This invention discloses an elevation bed apparatus which moves up and down while keeping its horizontal posture, in order to improve an effective use of an indoor space. The elevation bed of this invention includes an elevation device and a safety device... | 06/13/1989 |
| 4243260 | Convertible bed for pick-up truck camper or the like In a vehicle such as a pick-up truck having a camper top defining, with the load bed, a compartment including a ceiling and opposite side walls, a convertible bed is provided having a plurality of sections in hinged end-to-end relationship. A pair of trac... | 01/06/1981 |