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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7921487 | Tilting furniture system and infinitely variable lift tensioning mechanism therefor A tension mechanism for use with existing conventional bed platforms in the well known Murphy bed system in which the bed platform may be connected to the tension mechanism when the tension is at a low level by only a single installer, and the tension thereafter inc... | 04/12/2011 |
| 7398566 | Foldaway bed frames and spring supports A folding bed frame utilizes a spring support bracket that is located intermediate a bed support frame and a mattress support frame. Separate pairs of tensioning springs attach the spring support bracket to the bed support frame and to the mattress support frame. Th... | 07/15/2008 |
| 7367069 | Lifting mechanism for a bed deck A lifting mechanism is disclosed for a bed deck having a top surface where a user may lie thereon and a bottom surface. The bed deck is rotatably mounted to a bed platform having a recessed storage area. The bed deck can be moved from a horizontal to a non-horizonta... | 05/06/2008 |
| 7140052 | Furniture combination bed and desk Improvement in Combination bed (4) and desk (3) is disclosed: an articulated parallelogram (6, 8, 10, 11) based system and mechanism that links bed frame (4) and desktop (3) to elements (6, 10) fixed to a wall (or support or... | 11/28/2006 |
| 7017200 | Convertible furniture A convertible furniture assembly having a bed frame pivotally coupled to a frame assembly. The bed frame is pivotally moveable between an upright position and a lowered position. A counterbalance member is coupled to the bed frame and adapted for counterbalancing th... | 03/28/2006 |
| 6974404 | Reorienting treadmill The treadmill has a tread base that is rotatably attached to and between a left upright and a right upright. The tread base is rotatable between a first position for performing exercises and an upright or storage position. A latching structure is provided to latch t... | 12/13/2005 |
| 6691342 | Convertible furniture Convertible furniture unit has a base and a bed platform connected to the base for displacement about a first axis from a stowed position to a use position. The platform is adapted to support a mattress. A table panel is pivotally mounted to the platform ... | 02/17/2004 |
| 6574807 | Furniture bed An improved furniture bed assembly primarily comprising a housing having a caster assembly, a stationary frame assembly and a bed frame assembly. Housed within and secured to the housing, the bed frame assembly has means to fold within the furniture housi... | 06/10/2003 |
| 6401276 | Transfigurable furniture unit A convertible furniture unit has a base and a bed platform pivotally connected to the base for angular displacement about a first axis from an upright stowed position with respect to the base, to a substantially horizontal use position. The platform has a... | 06/11/2002 |
| 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 |
| 6185764 | Motorized folding bed In a first embodiment, a positioning shaft is fixedly connected to a frame of a folding bed. A switch is operable to cause a motor to rotate the positioning shaft in a manner that alternatively causes the frame to rotate to either a raised storage positio... | 02/13/2001 |
| 6105185 | Adjustable counterbalance assembly for panel bed A spring counterbalanced folding wall bed having a vertically disposed shell including side walls spaced from each other and a bed frame pivotally mounted to the shell for movement between an open position and a closed position. In the open position the b... | 08/22/2000 |
| 5978988 | Frame for pivoting folding furniture having varying counterbalancing torque values A folding furniture apparatus for selectively and alternatively moving a pivotally connected furniture component between a substantially horizontal usable position and a substantially vertical storage position includes a counterbalancing piston assembly a... | 11/09/1999 |
| 5446932 | Folding wall bed A folding wall bed provides a frame which is pivotable from a substantially vertical stowed position to a substantially horizontal functional position. A headboard structure rises when the frame is folded to its functional position. The folding wall bed f... | 09/05/1995 |
| 5353452 | Folding bed assembly A folding bed assembly including a box-shaped support assembly connected to a wall, a box-shaped bed pad pivotally connected to the support assembly with a counter-balancing member connected between the support assembly and the bed pad to bias the pad tow... | 10/11/1994 |
| 5136737 | Self standing convertible furniture frame assembly A convertible furniture frame assembly having a stationary base assembly that supports at least one retractable supporting means. This supporting means is used to support retractable furniture components as they are raised and lowered. The invention furth... | 08/11/1992 |
| 5084924 | Mounting apparatus for wall beds with safety jamming feature Disclosed is a safety feature for wall beds which provides for jamming of the linkages of a counter-balancing mechanism if anchors for the mounting frame of the counter-balancing mechanism accidentally dislodge.... | 02/04/1992 |
| 5036558 | Wall bed imitation fireplace Disclosed is a wall bed within an enclosure that looks like a fireplace when the bed is in a vertical position.... | 08/06/1991 |
| 5027452 | Load repositioning device A combination leaf spring hinge assembly suitable for use in retractable beds or other retractable apparatus such as work benches. The leaf spring hinge assembly includes a base and a moving slat connected by a pivot means and a combination leaf spring adapted... | 07/02/1991 |
| 4974271 | Mounting apparatus for wall beds A wall bed is disclosed employing a linkage assembly which moves the wall bed outwardly from the wall cavity in a fashion so that the head end of the bed will not be in the wall cavity and the level of the mattress will be at a height which approximately ... | 12/04/1990 |
| 4766623 | Spring counterbalanced folding wall bed A spring counter-balanced folding wall bed is described in which compression springs are mounted along the inside surfaces of the bed frame members. The bed frame members are pivoted on a supporting framework and a connecting rod extends between one end o... | 08/30/1988 |
| 4736476 | Wall bed mechanism An improved wall bed lifting mechanism for providing the support and pivotal motion of both a bed and headboard structure of conventional design about a transverse axis wherein the mechanism accommodates the storing of a bed and fixed headboard in vertica... | 04/12/1988 |
| 4679787 | Combined exercise station and sleeping bed A combined exercise station and sleeping bed is provided allowing placement of safe exercise equipment and a bed in the same area normally occupied only by a bed. This allows placement of exercise equipment in a hotel room or other place of limited space.... | 07/14/1987 |
| 4597568 | Adjustable torsion bar assembly An adjustable torsion bar assembly (10) includes a torsion bar frame (9) having upstanding legs (17, 18) and a structural frame (22) for holding a tip-up bed (11). A pair of torsion rods (20, 21) extend between a frame leg and a structural frame side. A l... | 07/01/1986 |
| 4589152 | Fold-away bed assembly Conventionally, fold-away beds include lift mechanisms either pneumatic or coil springs reacting between the rear of the bed frame and the base of the vertical support framework in order to act as counterbalances for raising and lowering the bed. This pla... | 05/20/1986 |
| 4564964 | Retaining element for swinging weights A retaining element for swinging weights includes two supporting parts which are spaced apart along a covering. The covering is pivotable around a shaft of rotation between two angular positions. A short arm, which is fixed against pivoting on the shaft o... | 01/21/1986 |
| 4476592 | Convertible furniture with force equilibrium and latch mechanism Convertible furniture comprising a bed frame pivotally mounted about a transverse axis between raised and lowered positions. Means is provided for applying a torque on the frame acting opposite to the force of gravity so that the forces are in substantial... | 10/16/1984 |
| 4466147 | Bed unit A bed unit for saving space wherein a head end portion and a foot end portion of a frame are, respectively, movable along a wall and a floor by a driving mechanism. Thus, preparation for bed making or placing the frame back in the wall can be performed wi... | 08/21/1984 |
| 4449263 | Powered folding support structure A drive coupling for a power operated folding support structure which is pivoted between a horizontal use position and a vertical storage position by an electric drive mechanism. A drive coupling operatively couples the arm of the electric drive motor to ... | 05/22/1984 |
| 4370766 | Panel bed and counterbalancing mechanism for panel bed A bed which is movable between a horizontal open position and a vertical closed position wherein a counterbalancing mechanism comprising two levers and gas springs are placed at the foot of the bed in order to provide a lifting moment for help in closing ... | 02/01/1983 |
| 4350382 | Balancing device and foldable platform sideboard A balancing device for a portion (2), rotable about a horizontal axis (4) in a frame and provided with a lever arm (21) fixedly connected to the portion (2) to be balanced, a spring member (26) by means of a pull-or press member (40) connected to the leve... | 09/21/1982 |
| 4337670 | Yieldable multi-function linkage apparatus for powered pivoting loads A support structure (10), preferably a rotatable bed, pivotable between a generally horizontal use position and a generally vertical storage position is disclosed. A counterbalancing mechanism (20) which reduces the amount of force needed to rotate the su... | 07/06/1982 |
| 4329746 | Folding bed-frame member and bed assembly A spring-balanced, wall-type bed-frame member, which is adapted to support at least a portion of a mattress assembly, is pivotable between a vertical position adjacent a wall and a horizontal position upon a floor for use. The bed frame portion upon which... | 05/18/1982 |
| 4234979 | Folding bed-frame member and bed assembly A spring-balanced, wall-type bed-frame member, which is adapted to support a portion of a mattress assembly, is pivotable between a vertical position adjacent a wall and a horizontal position upon a floor for use. A plurality of the frame members are need... | 11/25/1980 |
| 4104749 | Electrically adjustable bed frame In combination with a bed, a lifting frame inserted between the box-spring and the head section of the mattress for raising the head section to various angular positions relative to the remaining part of the mattress. Two lifting levers are pivotally conn... | 08/08/1978 |
| 4058861 | Cabinet A cabinet-type bed comprises a cabinet having a pair of sidewalls upon which a bed frame is hingedly received to enable it to swing from an upright position within the cabinet into a position in which the ends form the cabinet. The pivots include a pin ex... | 11/22/1977 |
| 3999245 | Counterbalance hinge for pivoting loads An improved counterbalance hinge assembly has a bias spring and uniquely shaped cam for counterbalancing inherently nonlinear forces represented by pivoting loads such as fold up wall type beds, desks, and the like. A cable attached to the spring wraps pr... | 12/28/1976 |
