Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7506934 | Floor cushion with seat back A floor cushion with a seat back has excellent ease of storage and is designed to improve heat preservation by adjusting the cushion size to a chair or increasing its fitting property. The floor cushion includes a sheet-like seat portion, a sheet-like seat back port... | 03/24/2009 |
| 7328472 | Configurable inflatable support devices A configurable, adjustable inflatable device including one or more inflatable bladders and a shape-defining membrane that combines with the inflatable bladders such that an overall shape of the configurable inflatable device is at least partially controlled by the s... | 02/12/2008 |
| 7222705 | Floor shield carrying bag accessory A carrying bag accessory featuring a mat that is externally affixed to a bag or any variant bag designs such as a gym bag, duffle bag, rucksack, backpack, etc., and conveniently stored in a folded configuration when not in use and deployed in an unfolded configurati... | 05/29/2007 |
| 7182356 | Wheelchair security system A wheelchair security system comprises a wheelchair body fabricated of non-metallic material. The body has a pair of side portions, a backrest portion and a seat portion. Each side portion has a bearing mounting recess, a footrest, a main wheel axle mounting apertur... | 02/27/2007 |
| 7178875 | Chair apparatus A chair apparatus for supporting a back of a person. The chair apparatus has a backrest and at least one support member attached with respect to the backrest. Each support member extends away from the backrest and forms an implantable element which can be inserted i... | 02/20/2007 |
| 7108321 | Portable forward leaning stadium seat A forward leaning stadium seat having a padded seat; a vertical support sleeve with an arm support device and quick release locking clasp to allow quick and easy up and down positioning of the arm support device and an adjustable hub to stop the forward and backward... | 09/19/2006 |
| 7108330 | Portable chair There is provided a portable, folding chair with an enhanced seat and backrest. The seat includes a suspension system that is capable of providing an enhanced range of motion in seating directions. The backrest provides enhanced support through an enlarged support s... | 09/19/2006 |
| 7055907 | Light weight transportable chair A light-weight easily transportable chair having a fabric foam plastic seat, a fabric covered foam plastic seat back and a hinge interconnecting said seat and said back and a flexible fabric skirt fixed to the bottom of the seat, the skirt extending over the top of ... | 06/06/2006 |
| 6929325 | Portable ergonomic cushion A new and improved portable ergonomic cushion for relieving pressure on the coccyx (tailbone) and on the ischial tuberosities, for promoting correct positioning of the sacroiliac joint and for supporting the lower back of the user is described. The portable ergonomi... | 08/16/2005 |
| 6877816 | Adjusting device for beds, mattresses, seats and the like adjustable slatted bed-frames and adjustables seat or couch cushions An adjustment device for beds, mattresses, seats and the like, which adjustment device includes several support elements extending across an adjustment direction and together spanning a support plane and at least one drive device for pivoting of support elements rel... | 04/12/2005 |
| 6848746 | Portable seat A portable seat is provided. The seat comprises a cushion device inside a pocket formed by an outer casing. A heat transfer device is carried by the cushion device and is inside the outer casing. The cushion may be reversed permitting the heat transfer device to be ... | 02/01/2005 |
| 6698830 | Portable seat and storage apparatus A portable seat and storage apparatus combining the multifunctional capacities of a chair, backpack, and storage device. The device incorporates a frame assembly and back support frame assembly, which cooperate to form an adjustable seating capacity. The ... | 03/02/2004 |
| 6695410 | Adjustable support system of seat structure An adjustable support system of seat structure includes two side supporting units foldably extended from two vertical sides of the back panel, at least an elongated element having a predetermined length of holding portion extended from the back panel thro... | 02/24/2004 |
| 6533358 | Kit for converting a non-reclining wheelchair into a reclining wheelchair An improved kit for converting a non-reclining wheelchair into a reclining wheelchair providing replacement side rails which improve patient comfort by preventing the side rail from impinging upon the patient. The replacement side rails are affixed to the... | 03/18/2003 |
| 6508511 | ATV rear gear bag An accessory for an all-terrain vehicle having a rear deck behind the operator includes a base, mountable on the rear deck of the vehicle; at least one closeable compartment on the base portion, for storing items; a removable chair attachable to the base,... | 01/21/2003 |
| 6499804 | Easy chair device An easy chair device has a leg frame, and a chair main body disposed on the leg frame. Two backrest support rods and two armrest support rods extend upward from the leg frame. The chair main body has a backrest, a seat, and two armrests. The armrests are ... | 12/31/2002 |
| 6477728 | Patient transport device A patient transport device is disclosed which includes a seat member, a back member, a leg supporting member, and a head supporting member. The device may be unfolded to a position wherein the patient may be transferred thereon in a supine position. The b... | 11/12/2002 |
| 6164726 | Folding chair A folding chair is described of the type having a seat portion and a back portion joined by a fabric hinge. The seat and back portions have an array of stiffeners, the stiffeners each having one end mounted in the hinge and another end retained in an end ... | 12/26/2000 |
| 6012769 | Chair with foldable backrest and legs A chair includes a seat frame, a pair of rear joint unit, a backrest frame, a pair of rear legs, a pair of front joint units, and a pair of front legs. The seat frame has a top side, a bottom side, front and rear ends, and two lateral sides which intercon... | 01/11/2000 |
| 6007572 | Thermal seat and method for using a thermal seat A thermal seat is provided including a seat panel and a back panel. The seat panel includes a first rigid support, a second rigid support, and a cushioned region. Similarly, the back panel includes a first rigid support, a second rigid support, and a cent... | 12/28/1999 |
| 5865504 | Reclining backrest system for a person in a wheelchair A reclining backrest system for a person in a wheelchair having a wheelchair frame which includes a pair of substantially vertical members, comprising a backrest, brace members and a cushion. The backrest is substantially rigid and has longitudinal and la... | 02/02/1999 |
| 5839783 | Portable ground-based seat A ground-based seat, including a back structure, a seat structure, seat structure support, a foot structure, and foot structure support is described. The back structure includes a top portion, a bottom portion, a front face, and a rear face. The seat stru... | 11/24/1998 |
| 5779314 | Collapsible multi-purpose chair A folding chair for use on both level and inclined supporting surfaces has a back support and a front leg assembly pivotally connected to a bottom for independent forward and rearward movement relative to the bottom and to each other between operative and... | 07/14/1998 |
| 5752738 | Seat for baby carriage A seat for a baby carriage has a backrest core member held by a backrest holding member through a connecting mechanism combining a bracket (77) with a slot (75) and a guide pin (76). When the backrest core member is most inclined, the pin is located again... | 05/19/1998 |
| 5738410 | Collapsible three wheeled stroller with adjustable backrest The present invention relates to a three wheeled stroller which is adapted for use in transporting an infant. The stroller includes a collapsible frame structure and a seat which is adapted to be secured thereto. This frame structure is both laterally col... | 04/14/1998 |
| 5620227 | Vest garment with pivotable seat member A vest garment with pivotable seat member is provided. The seat member is connected to the interior aspect of the dorsal member of the vest garment and is pivotable between positions for use and for stowing away. Straps support the seat member from the ve... | 04/15/1997 |
| 5516193 | Portable stadium seat apparatus The portable stadium seat apparatus is comprised of an apparatus designed to be used at spectator events where the seating is flat benches without backs. The apparatus consists, in one embodiment, of a streamlined fabric unit which folds readily into a co... | 05/14/1996 |
| 5474361 | Portable chair structure The present invention relates to a portable chair structure, and particularly to a chair structure that when folded down is space-saving and easy for carrying for leisure activities, comprising air cushion body, seat cover, and support rods wherein said a... | 12/12/1995 |
| 5445433 | Kit for a reclining chair-back thoracic-lumbar-sacral corrective orthosis wheelchair A kit for converting a non-reclining wheelchair into a reclining wheelchair with a thoracic-lumbar-sacral correcting orthosis ("TLSO") corrective chair back. The TLSO chair back portion is hingeably affixed to the frame of a wheelchair which has had its n... | 08/29/1995 |
| 5385390 | Portable seat carrier A portable seat carrier is provided, which consists of a seat in which a person may sit upon. A backrest to support a back of the person, is hinged to the seat. A structure extends from the sides of the seat to removably connect to the backrest for suppor... | 01/31/1995 |
| 5384923 | Sleeping mat and seating arrangement An improved camping sleeping mat and/or chair arrangement having improved lateral edge stiffening rod retention pockets and having coupling members for coupling various portions together in various configurations. A separate inflatable pillow may be detac... | 01/31/1995 |
| 5360257 | Folding lumbar support seat The folding seat consists of a seat back (4) and a seat bottom (6) connected by two living hinges 12) and side release buckles (20,24) mounted on bendable strips (16,22) secured to the inner ends of the seat back (4) and seat bottom (6). Upon elevation o... | 11/01/1994 |
| 5265292 | Foldable lounge cushion A foldable recliner/lounge pad having four cushions interconnected with wide hinges to allow folding the cushions together for carrying and support. The cushions have cloth exteriors and are interiorly foam padded. Two of the cushions that can be used as ... | 11/30/1993 |
| 5205610 | Folding seat A compact folding seat, that can also be used as a satchel for carrying picnic or beach items, includes a folding frame having two interconnected wire frame members. Torsion springs are provided for spreading the wire frame members apart from a carrying p... | 04/27/1993 |
| 5190350 | Seating arrangement A lightweight seating arrangement having an envelope with an upper layer and a lower layer defining a pad-receiving, air-tight cavity. A pad is positioned within the cavity and preferrably bonded to the upper layer and lower layer. The pad folds along a f... | 03/02/1993 |
| 5100203 | Collapsible portable slat seat A collapsible and foldable composite chair with back slats and seat slats attached to a flexible fabric material. The slats are fixedly and securedly attached to pockets in the flexible material by a unqiuely positioned and arranged staple system which mi... | 03/31/1992 |
| 4942948 | Combination beach bag/beach recliner The present invention is an elongated, canvas-like article having sleeves at each end, the article providing basically the bottom and front and back sides of a bag to which are attachable, in various forms, side portions which complete the formation of th... | 07/24/1990 |
| 4905332 | Inflatable article An inflatable article comprises a peripheral inflatable member adapted to be folded on itself about a line, defining two generally similar parts, thereof; and a cushion member attached to the peripheral member along the inside of one of the parts. When fo... | 03/06/1990 |
| 4842329 | Portable seat A portable, foldable seating device having a seat and backrest pivotally connected to one another. A U-shaped support is pivotally attached to the seat and in a stored position the back and seat engage in a generally parallel abutting relationship with th... | 06/27/1989 |
| 4824171 | Collapsible beach chair A collapsible beach chair which is formed from a covering, such as canvas, which is folded and joined together to define a pair of seat compartments and a pair of back compartments with the compartments being joined together by a transverse hinge portion ... | 04/25/1989 |
