Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8167371 | Seat with dynamic seat back A seat back assembly (16) for a seat (10), comprising an upper seat back portion (24) for supporting an upper portion of a user's back and a lower seat back portion (22) for supporting a user's pelvis and pelvic region. The lower seat bac... | 05/01/2012 |
| 7712834 | Back support for seating unit A back support includes a base, a seat, and a back frame pivoted to the base. The seating unit has a flexible back (i.e., back shell) supported on the back frame and having stiff upper and lower sections connected by a forwardly protruding flexible lumbar section fo... | 05/11/2010 |
| 7416252 | Backpost unit of wooden dining chair with reclining mechanism A backpost for use in wooden dining chair. The backpost unit provides reclining movements for a wooden chair of the type having a stationary frame section within which the backpost unit is secured. The backpost unit consists of an interlocking mechanism with minimum... | 08/26/2008 |
| 7416251 | Chair An improved chair is disclosed. The chair includes: (i) a seat; (ii) a base portion connected to the bottom of the seat; (iv) an upwardly extending support frame connected to either the seat or the base; and (v) a backrest connected to the support frame by a number ... | 08/26/2008 |
| 7156457 | Seat structure Seat structure designed to reduce weight and improve various functions such as impact absorbency, vibration absorbency. A torsion bar arranged along a width direction, and an arm connected to the torsion bar and enforced in a direction of falling backwards in a norm... | 01/02/2007 |
| 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 |
| 7118177 | Chair with tiltable backrest A chair comprising a support structure bearing a seat and a backrest, in which the backrest comprises a bearing portion and a connecting portion for connection to the support structure, in which the backrest is tiltable rearwards relative to a resting position under... | 10/10/2006 |
| 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 |
| 7021712 | Chair with flexible, resilient back support A chair with a flexible resilient back support structure includes a hollow tubular seat frame, a hollow tubular backrest frame pivotally connected to the seat frame, and a limit stop affixed to the backrest frame or the seat frame adjacent to the pivot points. The l... | 04/04/2006 |
| 7008015 | Seat suspension assembly A seat suspension assembly including a base including a first pair of spaced legs adapted to be securable to a support structure. The first pair of legs is connected to a back member. A seat frame is adapted to support a seating surface and disposed between the firs... | 03/07/2006 |
| 6896327 | Flexible back mechanism for stackable chairs A stackable chair includes a seat assembly and flexible back support having a seat spring system attached therebetween. The seat assembly includes seat sides having spaced apart rear portions. The back support includes lower ends curved forwardly and disposed in reg... | 05/24/2005 |
| 6820934 | Chair having flexible back support A chair comprises a seat support assembly including a seat support, the seat support assembly being adapted to stand on a surface so as to provide the seat support at a suitable height for a person to sit on, and a back support assembly, including a back frame membe... | 11/23/2004 |
| 6779846 | Chair with flexible, resilient back support A chair with a flexible resilient back support structure includes a hollow tubular seat frame, a hollow tubular backrest frame pivotally connected to the seat frame, and a limit stop affixed to the backrest frame or the seat frame adjacent to the pivot points. The l... | 08/24/2004 |
| 6533352 | Chair with reclining back rest A chair having a seat and a back rest. The back rest is attached to the seat via a back rest support element. The flat spring can be made from a non-metallic material, such as from fiberglass. The back rest support element comprises a flat spring disposed... | 03/18/2003 |
| 6406096 | Seat spring system A chair including a seat assembly having an improved seat spring system to provide a flexible spring backrest frame. A pair of ends of spaced apart backrest frame members are arranged in registry with respective ends of seat support frame members, with ea... | 06/18/2002 |
| 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 |
| 5951109 | Chairback with side torsional movement An office-type chair which includes a seat assembly and back assembly that are pivotally supported on a chair base or pedestal to support a user thereon. To increase the comfort of the user, the seat assembly is tiltable forwardly and rearwardly by way of... | 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 |
| 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 |
| 5039163 | Reinforced flexible backrest assembly for a chair A chair including a seat assembly having depending leg members and a hollow support frame having at least two open ends terminating beneath the seat assembly and a pair of upstanding, spaced apart hollow frame members arranged to provide a backrest frame ... | 08/13/1991 |
| 4379589 | Reclinable chair A reclinable chair having a back and seat articulated for reclining movement of the back with respect to the seat, in which a plate having opposed faces disposed at an angle with respect to each other joins together the back and the seat. One of the plate... | 04/12/1983 |
| 4362335 | Adjustable chair backrest mechanism using pneumatic and mechanical springs A chair provided with a seat carrier and an associated backrest carrier includes a pneumatic spring connected between the seat carrier and backrest carrier, and a mechanical draw spring one end of which is connected directly to the backrest carrier and th... | 12/07/1982 |
