Class 297/411.28 - And to back

Subclass of Class 297 - Chairs and seats
Definition: Armrest further detachably interfitted to a back or (back
No. of patents: 21
Last issue date: 03/25/2008

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Number	Title	Issue Date
7347499	Marine seat interchangeable component assembly and method A seat for marine use including a hollow primary seat structure. The primary seat structure has a generally upright back portion and a seat portion formed integrally with the back portion and extending forwardly therefrom. The back portion includes at least a pair o...	03/25/2008
7195314	Infant car seat An infant car seat having a headrest that can be manually adjusted to accommodate infants of different heights. The headrest has a lever with a prong that engages a series of pockets in the seat body, allowing the headrest to be fixed in several different positions....	03/27/2007
7128074	Scarifier for the interior surface of a pipeline An apparatus for scarifying an interior surface of a sewer pipe, which includes a vehicle moveable along an interior of the sewer pipe and a scarifying assembly connected to the vehicle having a fluid nozzle assembly. The fluid nozzle assembly has at least one branc...	10/31/2006
7128332	Wheelchair designs and related enhancements Wheelchair designs and enhancements are provided for use with conventional wheelchair designs. The designs and enhancements include first and second contoured folding seat panels that are hingedly mounted with respect to the wheelchair frame and that are offer inter...	10/31/2006
7066548	Take-down seating A seat assembly (10) for use in a watercraft (12) having a deck (14) is provided. The seat assembly (10) comprises a first portion (16) and a second portion (18) spaced from the first portion (16). First (52) a...	06/27/2006
7066188	Interior sewer pipeline scarifying apparatus This application discloses an apparatus for scarifying the interior surface of a sewer pipe, which can remain in the sewer under active flow conditions. The apparatus includes at least one scarifying head, which may transverse back and forth along a rail assembly, w...	06/27/2006
6974191	Shower chair with interlocking arms A bath chair having elongated slots on opposite sides, legs secured to the seat, and a backrest mounted on two opposed L-shaped backrest support tubes, is provided with a pair of handrails secured to the seat by the horizontal segments of the backrest support tubes....	12/13/2005
6820936	Chair An office-type chair which provides for synchronous differential tilting of the seat and back assemblies, with the seat assembly being constructed such that the front lip thereof does not significantly lift upon rearward tilting. The chair incorporates a tilt contro...	11/23/2004
6517158	Height-adjustable armrest assembly An armrest assembly comprises an armrest having an end pivotally attached to a backrest of the chair, a fixing member having an end fixed to a seat of the chair, and an adjusting device having an end engaged with the other end of the armrest in a manner a...	02/11/2003
6070940	Connecting arrangement for backrest, armrest, and seat of a chair A connecting arrangement is provided for connecting two armrests, a seat, and a backrest of a chair. The backrest includes two connecting tubes extended outward from each of two sides thereof. The seat includes two connecting tubes extended outward from e...	06/06/2000
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
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
5842264	Chair construction and method of assembly A structural support shell for a tilt-back chair has a back portion, a seat portion, and a flexible compression zone extending between the back and seat portions in an integrally molded, one-piece unit. The chair has a base with a recline control pivoting...	12/01/1998
5823625	Arm and back attachment A totally concealed connection is made between the arm of a chair and the backrest by an L-shaped connecting pin which has one end screwed into a threaded boss on the inside edge of the arm and its other end inserted through an opening in a clip secured t...	10/20/1998
5662381	Chair construction and method of assembly A structural support shell for a tilt-back chair has a back portion, a seat portion, and a flexible compression zone extending between the back and seat portions in an integrally molded, one-piece unit. The chair has a base with a recline control pivoting...	09/02/1997
5544940	Pivotal rear latch assembly for an armrest apparatus for a wheelchair An two-post armrest apparatus (10) including an armrest frame (12) having a horizontal frame member (13) and downwardly depending front post (15) and rear post (16). A latch assembly (17) includes a latch member (20) which releasably couples the armrest f...	08/13/1996
5215353	Three-dimensionally adjustable fulcrum support aid for easy chairs A three dimensionally adjustable frame designed to surround an easy chair having abbreviated armrests and providing a fulcrum support against which a user of the chair may bear and pivot about to aid in arising therefrom. The adjustable frame includes int...	06/01/1993
4651363	Articles of furniture and components thereof A mechanism for a convertible seating/sleeping article of furniture has a base which moves on a floor, a seat support member supported on the base by a scissors linkage, and a back support member which is connected to the seat support member by a first pi...	03/24/1987
4545619	Detachable arm rest for a motor vehicle A detachable arm rest for a passenger seat includes a vertical member supported at one end thereof from the floor of a motor vehicle, and is adapted for attachment to the inboard side of the seat near the front edge thereof; a horizontal member extending ...	10/08/1985
4318570	Structure for seating means The seat and back of a seating unit are each formed of a plurality of cushioned upholstered elements which extend between a pair of L-shaped support members to provide continuous back and seat surfaces. The L-shaped members have an elliptical cross sectio...	03/09/1982
4225181	Knock-down rockers and the like A rugged and stylish wooden chair shippable in compact knock-down form includes separate prefabricated back and arm subassemblies with lower portions proportioned to serve as contour-blended marginal parts of the seat of a seat-leg assembly, the cooperati...	09/30/1980

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Class 297/411.28 - And to back