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Class 297/297 - Bar or rod rigidly secured to bottom


Subclass of Class 297 - Chairs and seats
Definition: Device wherein the bar or rod is immovably connected to
No. of patents: 36
Last issue date: 01/04/2011


NumberTitleIssue Date
7862120Chair
The invention achieves a chair in which a shape of a backrest surface can be three-dimensionally changed while following a motion such as a sitting person looks around while sitting or the like. In a chair provided with a backrest in which an upper portion of a back...
01/04/2011
7686395Chair with deformable backrest
A chair comprising a supporting structure having a seat and a backrest, in which the backrest comprises a deformable resting portion made of plastic material which has a non-planar resting surface provided with at least one weakened area which enables an elastic def...
03/30/2010
7681952Chair with tiltable backrest
A chair having a base adapted to support the chair on a support surface, and a seat and backrest mounted on the base that includes a flexible backrest and a relatively simple tilt mechanism for tilting the backrest relative to the seat. The tilt mechanism includes a...
03/23/2010
7416252Backpost 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
7347499Marine 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
7234774Seating unit with novel flexible supports
A seating unit includes a seat, a back, a base, and a motion control having a plurality of flexible supports for operably supporting the seat and back on the base. The flexible supports are movable in a generally fore-to-aft direction but stiff in a generally vertic...
06/26/2007
7226127Ergonomic chair backrest
A “task” chair intended primarily for a person working at a computer terminal has a back provided with a pair of upright struts that incorporate respective parallelogram linkages operative to increase the curvature of the lumbar region of the seat back while at ...
06/05/2007
7207628Infant car seat with adjustable base platform
An infant car seat with an adjustable base platform provides a variable angle of tilt for the seat. The base platform has a visual indicator showing the degree of tilt that has been selected. This visual indicator can include a clear plastic window in the base platf...
04/24/2007
7118177Chair 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
7021712Chair 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
6957863Seating unit having motion control
A seating unit includes a seat, a back, a base, and a motion control having a plurality of flexible supports for operably supporting the seat and back on the base. The flexible supports are movable in a generally fore-to-aft direction but stiff in a generally vertic...
10/25/2005
6932431Chair having novel tilt control mechanism
A chair having a chair seat and a chair back includes a means for controlling the tilt of the chair back relative to the chair seat, the tilt means comprising a control body mounted beneath the chair seat and a pivot body pivotably mounted beneath the control body. ...
08/23/2005
6908159Seat for a reclining office chair
A seat portion (14) for a seat (10) wherein the seat portion (14) includes a panel having a rear portion to support the occupant. The rear portion has a longitudinal centerline and incorporates two zones (162) on either side of the longit...
06/21/2005
6896328Steel wire chair with springs
The stylish task chair includes a base with casters, a mounting plate, a seat frame, a back frame, a pair of springs and a seat and backrest. The frames are formed of steel wire of seven-sixteenth inch diameter. The chair is formed by welding the springs to the seat...
05/24/2005
6896327Flexible 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
6779846Chair 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
6739663Flexible bar-type back pivot mounting arrangement for a chair
A back mounting arrangement for a chair in which a back member is pivotable relative to a seat member. The back mounting arrangement includes a flexible bar-type pivot member interposed between the seat member and the back member. The pivot member includes an upper ...
05/25/2004
6502900Removable and vertically adjustable storage apparatus for vehicle seat backrest
Storage apparatus are provided that attach to vehicle seat backrests and that have a compartment for storing items therein. Each storage apparatus includes opposite upper and lower walls, opposite side walls, and a rear wall that collectively define a com...
01/07/2003
6364412Hanging chair
Disclosed is a hanging chair that is capable of accommodating more than one individual. Also provided is a hanging chair that includes a suspension structure that distributes the increased load that is associated with having more than one person in the ch...
04/02/2002
6296309Chair construction
A chair has a seat and reclinable back with a pair of armrests pivotably attached to the back. The back includes an outer shell and a mating inner shell. A bolt attaches each armrest to the outer shell and the inner shell is provided with sleeves for rece...
10/02/2001
6186592Heat vehicle seat and method of using same
A vehicle seat has a cushion, a seat-heating arrangement integrated in the cushion, a ventilation device for the through-ventilation of the cushion over its surface area, and a control unit for controlling the seat-heating arrangement and ventilation devi...
02/13/2001
5988746Split 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
5904397Seating unit comprising two adjacent, pivotal support elements
A seating unit having two adjacent and mutually pivotal support elements 3, 4) pivotal between an initial position and a maximum flexed position. A spring element (12) is secured between the support elements (3, 4) and biases the support elements (3, 4) i...
05/18/1999
5902012Chair with movable back
A chair, with an elastic movable means capable of allowing the back of the chair to be leaned back at an angle of inclination, is disclosed. The chair has one or more leg frames. A seat frame is mounted to the top portion of the leg frames and holds a sea...
05/11/1999
5887946Chair 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
5882964Process for the production of an integrated CMOS circuit
In order to produce an integrated CMOS circuit, a dielectric layer and a silicon layer are applied to a substrate. During the formation of insulation structurers which insulate neighboring active regions in the substrate, the silicon layer is structured i...
03/16/1999
5586808Chair with lateral frame parts connected by transverse rods supporting seat and backrest
A chair has two lateral frame parts, each one in the form of a single, continuous member of an elastically yielding material. Transverse rods are connected between the lateral frame parts. A seat is connected to at least one of the transverse rods and a b...
12/24/1996
5516196Chair with arm mounted motion control
A chair is provided with a frame defining a curved arm support, a seat supported in the frame, and a back. An arm member is movably mounted on the arm support and operatively connected to the back so that movement of the back between upright and reclined ...
05/14/1996
5308142Chair with arm mounted motion control
A chair is provided with a frame defining a curved arm support, a seat supported in the frame, and a back. An arm member is movably mounted on the arm support and operatively connected to the back so that movement of the back between upright and reclined ...
05/03/1994
5108149Adjustable seating
Adjustable seating comprises a frame having a seat-supporting portion and a back-supporting portion, a seat bottom mounted on the seat-supporting portion for movement between rearward and forward positions and a seat back mounted on the back-supporting po...
04/28/1992
5039163Reinforced 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
4913496Stackable chair and method of manufacture
A chair comprises a ground supported frame having an upper planar surface. A recess portion is formed in the frame interrupting the upper surface. An L-shaped bracket has a first portion extending parallel to the surface and positioned within the recessed...
04/03/1990
4880272Seat furniture
A seat (2) is mounted pivotably about a first axle (A1) on the stand (1) of the chair. The seat frame (8) is connected to a second axle (A2) which is fastened to the backrest (3) behind the backrest (3) at a horizontal distance from the latter and at a ve...
11/14/1989
4361357Chair
An upholstered chair is disclosed in which a first bent rod forms a frame for supporting the back and seat sections and in which a second rod is bent into a spider that supports the first rod. The first rod has a back section with a greater degree of flex...
11/30/1982
4054317Chair construction
A basic chair frame is disclosed consisting of a minimum number of interchangeable components including a seat/back frame member, a spindle attachment plate a seat shell and an anti-racking attachment for arm members. Because the several parts are reduced...
10/18/1977
 
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