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Class 297/289 - Rearward back tilting axially compresses spring


Subclass of Class 297 - Chairs and seats
Definition: Device wherein the spring means comprises a sliding piece
No. of patents: 11
Last issue date: 08/26/2008


NumberTitleIssue Date
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
7293833Chair and support mechanism unit thereof
A chair is provided with a base 6 fixed at an upper end of a leg pillar 5, a back support unit 13 attached to the base 6 so as to tilt backward, a backrest 3 attached to the back support unit 13, and a spring unit 14 ...
11/13/2007
7273253Chair ride mechanism with tension assembly
A task chair, including a backrest assembly and a seat assembly pivotally coupled both to one another and to side portions of a fixed yoke member for synchronized movement, in which the seat of the seat assembly moves upwardly and forwardly concurrently with recline...
09/25/2007
7249801Cushioning device to cushion the backrest of a chair, an armchair, an office chair or similar
Cushioning device to cushion a backrest with respect to the seat of a chair or suchlike. The device comprises a first supporting element connected to the backrest, a second supporting element connected to the seat and pinned to the first supporting element, and a sp...
07/31/2007
7234775Dynamically balanced seat assembly having independently and arcuately movable seat and backrest and method
A seat assembly (21) including a seat (22), a backrest (23) and a mounting assembly (24) mounting the seat (22) in a near horizontal orientation for movement along an upwardly concaved arcuate seat path having a center of curvature...
06/26/2007
7213887Attachment of head rest guide tube to vehicle seat frame
A vehicle seat assembly includes a seat back frame having an aperture extending therethrough, and a head rest guide tube disposed in the aperture. The guide tube has a radially extending swaged portion engaged with the seat back frame for securing the guide tube to ...
05/08/2007
6616232Tiltable spring-biased chair
A chair including a frame, a seat pivotally mounted on the frame, a spring construction effectively positioned between the seat and the frame, a first selectively actuatable latch positioned between the seat and the frame effective to maintain the seat la...
09/09/2003
6039397Tilt 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
5725276Tilt 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
5062676Adjustable chair
An adjustable chair includes a base having a pair of spaced, parallel, forwardly extending frame members and a vertically extending frame connected to, and projecting upwardly from, the base, the vertically extending frame having a pair of spaced, general...
11/05/1991
4626028Seat for vehicles
A seat for vehicles such as automobiles etc., wherein a seatback is splitted into an upper part and a lower part and each of these splitted upper and lower parts is equipped with a respective reclining device. An intermediate releasing device which reclin...
12/02/1986
 
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