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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7445288 | Vehicle seat A vehicle seat, comprising an upholstered seat surface and an upholstered backrest, whereby the backrest may be folded forward about a first horizontal pivoting axis. A backrest element is integrated close to the front side of the upholstered backrest, which may be ... | 11/04/2008 |
| 7434879 | Structure for attaching spring A structure for attaching a frame-like spring being capable of effectively reducing the number of parts, is provided. According to this structure, a reaction force frame element which is a frame-like spring is attached via a lower frame portion and an upper frame po... | 10/14/2008 |
| 7427107 | Movable backrest for a chair A movable backrest for a chair comprises a frame that is fixed to the chair, at least a flexible connecting element connected to the frame, and at least a backrest connected to the connecting element. Since the connecting element is flexible, the backrest and the ba... | 09/23/2008 |
| 7387339 | Sitting device The invention relates to furniture, in particular to sitting devices and can be used as a work chair or therapeutic furniture. The aim of said invention is to develop a sitting device which would make it possible to efficiently relieve the backbone in a sitti... | 06/17/2008 |
| 7370914 | Compactly foldable wingback chair A collapsible wingback chair that includes a seat base portion and to which is secured a lower portion of a pair of side wings that include upper portions that are movable relative to a chair back that is pivotally mounted so as to be movable between an upright posi... | 05/13/2008 |
| 7367623 | Ergonomic chair An ergonomic chair having a cooperatively adjustable knee support and seat is herein disclosed. The knee support and seat may be adjusted to position a user of the chair in a physiologic attitude that approaches the neutral position. ... | 05/06/2008 |
| 7347496 | Adjustable chair backrest A chair backrest adjusting mechanism includes a seat supporting frame, a backrest supporting arm, amount, a supporting arm cover, and a ball-shaped handle. The seat supporting frame is fixedly connected at a lower end to a base below a chair seat, and pivotally conn... | 03/25/2008 |
| 7278688 | Elastic support structure for a human body to lean against The elastic support structure for human body to lean against includes a connecting frame, a swing rack, and an elastic rod. The connecting frame includes a connecting surface and a positioning part for the support structure. The swing rack has its first end placed o... | 10/09/2007 |
| 7159944 | Backrest for a chair A backrest includes: a back support having a top end portion provided with a pivot shaft that has two opposite end portions; a backrest cushion having a rear wall formed with two threaded holes; a coupling cover having an open end, covering the pivot shaft, and havi... | 01/09/2007 |
| 7156459 | Stackable chair A stackable chair has a backrest mounted on back supports by resilient mount units for tilting between an upright position and a tilted-back position. Each mount unit includes a rigid coupling member having a lower portion received within an upper end portion of the... | 01/02/2007 |
| 7104607 | Seat This present invention discloses a seat, comprising: a seat cushion; and a seat back frame connected to the seat cushion, the seat back frames being bent in a range of specified bending angle in a direction of moving the top end backward by a backward load over a pr... | 09/12/2006 |
| 7093900 | Seat The invention relates to a seat with a stable base wherein the angle of inclination of the seating surface can be moved around a pivot provided between the base and the seating surface, the latter being forced to move continuously and cyclically. ... | 08/22/2006 |
| 7090240 | Tiltable seating apparatus for wheelchair A tiltable seating frame (10) for selectively positioning seating in a wheelchair, in which a seat platform (12) has opposing sides (18) that each extend to an arcuate distal edge (20) and each side defines an arcuate slot (22) par... | 08/15/2006 |
| 7028350 | Lifting cushion and method for transferring a patient from a chair An inflatable lifting cushion for an articulated chair including a five-sided polygon capable that is longitudinally aligned on the seat and back of the chair. The cushion includes triangular side walls and at least one interior plenum having an air inlet port enabl... | 04/18/2006 |
| 7004544 | Backrest for armchairs Backrest for armchairs, made up of a soft front body (1.1) and a rear frame (1.2), situating at the upper part a headrest made up of a respective soft front body (3.1) and a respective rear frame (3.2), fitting the soft body (3.1) ... | 02/28/2006 |
| 7000987 | Device for supporting a seated person and method for adjusting, designing and/or manufacturing such a device A device for supporting a seated person, comprising a seat and a support for the lumbar-thoracic transition region, which is connected to the seat, and characterized by an adjustable lumbar-sacral support, which is mounted at a location of a lower side of the suppor... | 02/21/2006 |
| 6974188 | Chair with pivotable chair back A chair comprises a frame, a chair back, and a chair back return device. The chair back is mounted to the frame for pivotable movement away from a home position. The chair back return device is arranged to return the chair back to the home position. ... | 12/13/2005 |
| 6929323 | Seat There is provided a seat preventing the baggage or the like from being damaged. A leg rest strain gauge is provided on the bark surface of the leg rest frame on the proximal side. When a baggage is placed in the operating space of the leg rest in the bed position, a... | 08/16/2005 |
| 6883863 | Chair and table assembly A folding combination chair and table assembly including a seat mounted on support legs and a back rest mounted on a support which is continuous with one of the legs; the back rest capable of rotation about said support such that in one position it forms a back rest... | 04/26/2005 |
| 6742839 | Stackable chair A chair comprising a supporting structure (12) having a pair of front legs (20a) and a pair of rear legs (22) and carrying a seat (14) and a backrest (16). The supporting structure (12) comprises a transverse element ... | 06/01/2004 |
| 6672669 | Swingable chair back with top pivot A chair having a swingable chair back with a top pivot includes a frame having laterally spaced first and second uprights. A back having upper and lower ends is attached to the frame. Also attached to the frame adjacent the lower end of the back is a seat... | 01/06/2004 |
| 6655731 | Therapeutic chair An orthopaedic chair including a frame for supporting a contoured chair seat and chair back; each of which is mounted for rotation on a horizontal axis. Horizontal adjustment for the axis of the chair seat and vertical adjustment for the axis of the chair... | 12/02/2003 |
| 6530622 | Biomechanical vehicle seat A vehicle seat includes posture enhancing systems to increase occupant comfort. In addition to pelvis support, the seat includes a pivotable thorax and a height adjustment therefor, having a range of adjustment of about 100 mm to accommodate different fem... | 03/11/2003 |
| 6488335 | Chair with variable pitch A chair with variable pitch having a frame set to rest on the floor, at least one central element that creates a substantially horizontal longitudinal axis supported by the frame, a seat supported by the central element, one pair of first stiles parallel ... | 12/03/2002 |
| 6481789 | Stackable chair A stackable chair has a frame with a tubular crosspiece, to each end of which a monolithic casting having legs and a backrest support--and, optionally, an armrest--is attached by means of an integral connecting boss received within the crosspiece and held... | 11/19/2002 |
| 6478379 | Chair A chair has a pair of spaced-apart back support mounting members, a lower back support adapted to support the lower portion of the back of a person seated on the chair and mounted on the back support mounting members for pivotal movement about a pivot axi... | 11/12/2002 |
| 6474743 | Wheelchair back support assembly A wheelchair back support assembly is both lightweight and sturdy, is designed to be inexpensively retrofit to an existing wheelchair of tubular frame construction, is designed to comfortably support the back of wheelchair user's of different sizes and ha... | 11/05/2002 |
| 6464297 | Load floor seat assembly A load floor seat assembly for an adjustable seat is disclosed movable from a normal position to a load floor position. A seat base is adapted to be attached to a motor vehicle floor, at least one seat back arm is pivotably mounted to the seat base about ... | 10/15/2002 |
| 6322145 | Wheelchair seat back with adjustable tilt Broadly defined, the present invention is a wheelchair seat in which the back of the seat can recline relative to the bottom of the seat. In one particular embodiment, the angle of the back of the seat relative to the bottom portion of the seat can be adj... | 11/27/2001 |
| 6305747 | Swayable backrest assembly for a chair A swayable backrest includes a backrest frame including two spaced vertical tubes each having a lower end attached to the seat of the chair. Each vertical tube further includes an upper end with a first hole. A hollow connecting beam is connected between ... | 10/23/2001 |
| 6273511 | Seat and headrest arrangement for a vehicle A seat and headrest arrangement for a vehicle has a backrest frame (10) having an upper (12) and a lower part (14) which are connected to one another via a joint (16), with a headrest (20) being mounted at the upper part (12). A setting device (24) adjust... | 08/14/2001 |
| 6213549 | Self-following head-restraint system A seat and headrest arrangement for a vehicle comprising a backrest frame having an upper and a lower part which are connected to one another via a joint. The arrangement also includes a headrest being mounted at the upper part and a spring means biasing ... | 04/10/2001 |
| 6120097 | Flexible chair with adjustable support frame A flexible chair includes a seat frame having a bidirectional fabric stretched over the seat frame to define seat back and seat bottom portions. The seat frame is supported on an upper axis and a lower axis by a flexible frame. In one embodiment, the flex... | 09/19/2000 |
| 5988746 | Split back chair A split back chair having a generally L-shaped seat member formed of a horizontal section and a vertical section, and separate independently movable right and left back portions. A first flat spring extends between and hingedly connects the back portions ... | 11/23/1999 |
| 5951084 | Seat structure for a vehicle A seat structure for a vehicle includes a center seat that is slidable in the front-rear direction of the vehicle along a predetermined path extending through front and rear seat rows between respective left and right seats of the seat rows separated from... | 09/14/1999 |
| 5887946 | Chair with movable back support A split back chair having a generally L-shaped seat member formed of a horizontal section and a vertical section, and separate independently movable right and left back portions. A first flat spring extends between and hingedly connects the back portions ... | 03/30/1999 |
| 5882069 | Multi-functional bench seat A multi-functional bench seat. The bench seat has a base to which one or more seat sections are attached. Each seat section has a complementary support arm also attached to the base. A back section is attached to each support arm. Both the seat section an... | 03/16/1999 |
| 5876098 | HI-CHI meditation chair A specially designed chair that sits low to the floor having a trapezoidal seat (14), two sides (10) so shaped as to accommodate two knee supports (12) and a pivotal backrest (16) and a cushion (24) for the primary purpose of meditation in a lotus style p... | 03/02/1999 |
| 5683142 | Mounting assembly for chair back A mechanism for releasably mounting a chair back to a back support member comprises a connecting pin secured to the support member, and a receiver member secured to the chair back and receiving the connecting pin. The connecting pin is slidable and pivota... | 11/04/1997 |
| 5649739 | Backrest for a seat arrangement A backrest for a seat includes an upper back portion having an integral, central extension, a lower back portion having a central cut-out, and hinges for pivotally connecting the upper and lower back portions together to permit free swinging movement of t... | 07/22/1997 |
