Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7246859 | Chair A chair has a backrest and a pair of armrests. A pair of support struts for supporting the backrest is connected to a shaft of a base under a seat. The armrest is supported by an arm post. An operating lever is mounted on the upper front end of the arm post. When th... | 07/24/2007 |
| 7243993 | Tilting mechanism for a chair and a chair having the same A chair has a backrest and a pair of armrests. A pair of support struts for supporting the backrest is connected to a shaft of a base under a seat. The armrest is supported by an arm post. An operating lever is mounted on the upper front end of the arm post. When th... | 07/17/2007 |
| 7210740 | Reclining chair A reclining chair, in particular a passenger chair, for use in a vehicle such as an aircraft, bus or mobile home. The chair includes a base assembly, a seat frame located above the base assembly, a seat attached to the seat frame, and a seat back connected to the se... | 05/01/2007 |
| 7188900 | Flexible support for a chair backrest A chair having an arm, a backrest and a flexible backrest support that is rigidly attached to the arm and the backrest. The flexible backrest support includes a spring located between rigid end portions that are mounted to the chair arm and backrest. The flexible ba... | 03/13/2007 |
| 7159943 | Adjustable office arm chair structure with articulation for the synchronous movement of the seat and the backrest A structure for an office chair with articulation by synchronized movement of the seat and the backrest of the adjustable type includes a swivel type movable base with a height adjustable column supporting a seat surface and a reciprocally hinged backrest. The seat ... | 01/09/2007 |
| 7147282 | Chair with backrest depth adjustment mechanism A backrest depth adjustment mechanism which allows adjustment of the backrest assembly in a front-to-back manner with respect to the seat. The backrest assembly generally includes a backrest frame supporting the backrest. The backrest frame includes opposite end por... | 12/12/2006 |
| 7134722 | Chair A simple arrangement of a chair allows transformation of the shape of a backrest. The chair has a transformable backrest and a backrest receiving member that supports a bottom end portion of the backrest in a slidable manner toward a certain direction and an operati... | 11/14/2006 |
| 7097249 | Tilting mechanism for a chair and chair having the same A chair has a backrest and a pair of armrests. A pair of support struts for supporting the backrest is connected to a shaft of a base under a seat. The armrest is supported by an arm post. An operating lever is mounted on the upper front end of the arm post. When th... | 08/29/2006 |
| 6942295 | Reclining chair system A reclining chair system with a standard assembly supporting seat and backrest assemblies, which are pivotally mounted to each other and capable of providing a rocker effect to a user. A strut assembly provides substantially a bounce free shock absorbing function by... | 09/13/2005 |
| 6523898 | Chair construction A chair includes a base having a control, and a seat and a back tilt bracket pivoted to the control for synchronous movement. An extension is adjustably supported on the back tilt bracket and is pivotally connected to a back support structure and a backre... | 02/25/2003 |
| 6467842 | Locating structure of a reclining leisure chair A reclining leisure chair includes a main body, a locating member mounted in the rear edge of the main body, and two sliding members mounted in the front edge of the main body. The locating member is formed of a U-shaped frame seat, an action member, a re... | 10/22/2002 |
| 6039397 | Tilt back chair control A tilt back chair provides for selective independent and concurrent movement of a chair back with respect to a chair seat. The seat is mounted to a spring biased bracket for pivotal movement about a seat tilt axis. The back is connected to a pair of pivot... | 03/21/2000 |
| 5984408 | Compound lever and armrest mounting assemblies A system for supporting a seat-pan on a chair and for providing movement to an armrest on the chair. The system includes a mounting assembly with an upper rail having a front portion, a mid portion and a rear portion, and a lower rail having a front porti... | 11/16/1999 |
| 5725276 | Tilt back chair and control A tilt back chair provides for selective independent and concurrent movement of a chair back with respect to a chair seat. The seat is mounted to a spring biased bracket for pivotal movement about a seat tilt axis. The back is connected to a pair of pivot... | 03/10/1998 |
| 5509719 | Multi-position chair A chair includes a multi-position seat and a frame assembly for supporting the seat in a selected position above a floor underlying the seat. The seat includes a seat bottom and a seat back positioned to lie adjacent to the seat bottom. The seat back is f... | 04/23/1996 |
| 5314237 | Reclining chair A reclining chair which includes a base, frame supports, and pivotable seat and back supports. The seat and back supports are pivotally connected for correlative movement, and the seat support is operably connected to an inclined ramp which raises the ver... | 05/24/1994 |
| 5197781 | Reclining apparatus In the reclining apparatus of the invention(1, 21, 41, 61), the support member(2, 22, 42, 62), the seat member(3, 23, 43, 63) and the back rest member(5, 25, 45, 55, 75) are adjustably interconnected and the rod(11, 31, 51, 71) of the lock device(13, 33, ... | 03/30/1993 |
| 5108148 | Reclining chair mechanism having sole support pivot An essentially self-balancing reclining chair is provided. The invention may be adapted to for use by any individual, regardless of size, shape or weight. The chair has a base and two parallelogram linkages spaced apart from and facing each other in paral... | 04/28/1992 |
| 5009466 | Reclining chair A reclining chair suspended from a pivot at the arms with the seat and back pivoted together at the lumbar area of the user's back and having two control levers for reclining consisting of the back panel of the chair and a thigh support and with the seat ... | 04/23/1991 |
| 4703974 | Seat furniture The seat furniture is provided with a seat-plate backrest inclination-adjusting mechanism (6), a single-column supporting device (2) and a supporting foot (1). The backrest is composed of a backrest bottom part (16) and a backrest top part (14), and when ... | 11/03/1987 |
| 4560199 | Recliner chair A chair includes a seat support, a seat formed of two portions one of which is rigidly connected to the seat support, and a back rest also formed of two portions one of which is connected to another portion of the seat. The two seat portions are pivotally... | 12/24/1985 |
| 4505513 | Suspension seats for vehicles The invention relates to a suspension seat for a vehicle. The vehicle suspension seat has a back rest guided for vertical movement relative to a base part, a seat rest hinged to the back rest and guided for movement such that the body of the seat occupant swin... | 03/19/1985 |
