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Class 297/451.3 - Two support legs only


Subclass of Class 297 - Chairs and seats
Definition: Device in which two legs extend between the seat bottom
No. of patents: 27
Last issue date: 05/06/2008


NumberTitleIssue Date
7367629Adjustable attachment and tensioning assembly for the suspension of a seat assembly
A seat assembly for use in supporting an occupant in an automotive vehicle is provided, having a seat frame and a suspension material extending between and operatively secured to the seat frame for supporting the occupant of the seat assembly. A plurality of adjustm...
05/06/2008
7040700Sofa and method of manufacturing same
A backrest and deck subassembly for a sofa includes: a frame having a generally horizontal deck section, the deck section including a top portion and an underlying bottom portion, the frame also having a generally upright backrest section attached to and extending u...
05/09/2006
6997513Chair for healthy sitting
Disclosed is a supportive chair for sitting comfortably at low heights above and relative to the ground. Preferably, the chair comprises a primary seating surface and a secondary seating surface curving around the rear of the primary seating surface to provide addit...
02/14/2006
6910741Lumbar support
A back portion for a chair includes a peripheral frame defining an opening therein. A lumbar support portion is disposed in the opening. The lumbar support portion comprises a substantially rigid panel. Two hinge devices are hingedly mounted on opposite sides of the...
06/28/2005
6595590Body support for automotive mechanics
A mechanic's body support including first and second horizontally-oriented and spaced-apart base rails and first and second spaced-apart support rails. Each of the support rails has one end connected to a respective one of the first and second base rails....
07/22/2003
6540301Body support for automotive mechanics
A mechanic's body support including first and second horizontally-oriented and spaced-apart base rails and first and second spaced-apart support rails. Each of the support rails has one end connected to a respective one of the first and second base rails ...
04/01/2003
5813727Massaging chair
A massaging chair is capable of assuring comfortable use, both in the sitting and lying positions. The massaging chair comprises a seat, a reclining backrest pivotally connected about a pivot axis to the seat so as to be movable between an upright positio...
09/29/1998
5720517Adjustable work chair
An adjustable work chair comprising a frame, a seat support structure, and a versatile seat combination. The adjustable work chair has a seat support structure which allows alterations to the seat's height and orientation. Furthermore, the adjustable work...
02/24/1998
5695244Rocking chair with wood-laminated seat and continuous runners
A chair capable of rocking and reclining is provided with a contoured seat with internal cross members and an external frame assembly for maintaining the contoured seat above the ground. The external frame assembly has a pair of spaced apart side members ...
12/09/1997
5551758Durable patient chair
A durable patient chair (10) comprises a chair base frame (12) including a pair of substantially rigid, spaced apart, front legs (22); a pair of brackets (14), each bracket (14) being fixedly attached to each front leg (22) and has a downwardly extending ...
09/03/1996
4919487Chairs having cross bar seat support
A chair structure is disclosed. The chair structure is provided with a chair seat section including first and second transversely spaced legs, a transverse cross brace fixed to and rigidly interconnecting the legs, first and second transversely spaced sea...
04/24/1990
4911500Spring chair frame and method of fabricating same
A spring chair has a seat frame and a base frame including an upper portion fixed to the seat frame, spaced front leg portions extending generally vertically down from said upper portions at the front of the seat portion, and base portions extending horiz...
03/27/1990
4861108Auditorium seat
This auditorium seat has a frame preferably formed of bent steel tubing, the ends being brought together to parallelism in a "Y"-shaped configuration to form a pedestal. A seat is pivotally mounted on a spring hinge assembly between the sides of the frame...
08/29/1989
4787672Seating furniture, more particularly chair
An article of seating furniture (1) is constructed as a free oscillator having side members (6) with substantially Z-shaped resilient supporting sections (7), the supporting sections having a top end portion (9), a bottom end portion (8), and an intermedi...
11/29/1988
4786105Continually positionable chair with adjustable lumbar support
The present invention provides a chair with a seat cushion thickened toward the front thereof, and thinned toward the rear, positioned on a support frame having a pair of legs extending down to a pair of curved rails which flair apart from one another tow...
11/22/1988
4690459Working chair
Chair or stool comprising a seat (1) with a sitting surface and carried by a stand (7). The sitting surface is divided into two portions, a rear portion (2) intended to form a resting surface for the seat in the area of the ischium of a person, who is sit...
09/01/1987
4630864Aircraft seats
A lightweight aircraft seat based on resin preimpregnated carbon fibre comprises a bluff rectangular spar (20) integrally secured to J-tubes (26) and a diaphragm (31) spanning between the J-tubes. The spar (20) is located in a recess (16) in a leg (22) of...
12/23/1986
4595235Patient's defined-motion chair
A chair, especially suited for use by sitters lacking in normal strength which provides a rocking motion without shifting the base of the chair, and which provides support and assistance to the sitter in exiting the chair, is described....
06/17/1986
4595234Rocking chair
A rocking chair with rockers wherein each rocker has a fulcrum between a forward rocker section and a rearward rocker section for tilting the chair into a forward or a backward position, respectively. The chair seat and backrest are connected to the forwa...
06/17/1986
4549765Bracket assembly for adjustably mounting a seat
A bracket assembly constructed according to one embodiment includes a pair of identical L-shaped brackets arranged for selectively positioning a seat at three different heights. An alternate embodiment of the bracket assembly includes a pair of tubular br...
10/29/1985
4529246Patient chair
A chair is provided which finds primary, although not exclusive, use as a patient's chair in a hospital room. The chair is formed of both rigid and flexible resilient members, composed respectively, for example, of tubular and flat barstock spring steel, ...
07/16/1985
4526422Sitting device
A sitting device for freely chosen or fixedly attached mounting on a floor and on a subframe, or for attachment to vertical surfaces, said device comprising an array of supporting faces consisting of at least two such faces, neighboring supporting faces h...
07/02/1985
4270799Modular chair apparatus
A modular chair apparatus designed for easy home assembly comprising two frame elements and a connection bar which securely fastens together to form a modern and handsome chair. The interlocking frame elements are securely joined to each other with a fram...
06/02/1981
4113312Bench
A bench has transversely spaced metal frames supporting elongated wooden slats of metal angle members formed of two perpendicular metal plates; a bolt passes through one plate and an opening in the frame for attachment to the frame with a recess in each s...
09/12/1978
4109959Transportation seat with energy absorption
A transportation seat for a vehicle and which is capable of absorbing impact energy during a crash or rapid maneuver to thereby reduce or eliminate the severity of and occurrence of injury to a passenger includes a support frame having a leg structure and...
08/29/1978
4060279Passenger seat structure for vehicles
A passenger seat structure for vehicles which comprises an underframe having at least one seat with a back fastened thereto. The underframe includes a substantially horizontal supporting member which has only that end thereof which is adjacent one side wa...
11/29/1977
 
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