Class 297/48 - Back articulated to both leg pairs

Subclass of Class 297 - Chairs and seats
Definition: Device wherein the back is joined to both the front legs
No. of patents: 19
Last issue date: 04/01/2008

Number	Title	Issue Date
7350856	Foldable chair A foldable chair includes a leg unit, a seat unit supported on the leg unit, a pivot unit including two pivot joints secured to the leg unit, and a backrest unit including two opposite backrest rods that are pivoted to the leg unit through the pivot joints, respecti...	04/01/2008
7128367	Foldable highchair framework A foldable highchair framework includes a folded support stand, a chair, a link assembly and a positioning mechanism. The folded support stand includes a front stand and a rear stand capable of being drawn close. The chair includes a seat and a backrest pivoted to e...	10/31/2006
6752452	Two-position collapsible reclining chair A collapsible reclining chair (10, 100, 200), has a frame assembly (16) which includes angled frame members (32), the upper ends (37) of the angled frame members (32) being pivotally attached to upper connectors (136,138), a...	06/22/2004
6669280	Folding chair A chair includes a first leg frame having first side rails with upper ends and a front cross rail connected to the upper ends; a second leg frame having second side rails; a back frame having back side rails with upper ends and a top cross rail connected ...	12/30/2003
6394541	Folding chair A chair comprises a first leg frame having opposing left and right side rails and at least one cross rail extending therebetween, the side rails each having upper and lower ends; a second leg frame having opposing left and right side rails and a front cro...	05/28/2002
6273505	Web adjuster for infant products A web adjuster for securing a web and a seat including the web adjuster. The web extends through the web adjuster including a mounting plate that is mounted to the seat. A sliding plate moves relative to the mounting plate for lockingly engaging the web. ...	08/14/2001
6135487	Baby stroller with unique curved swinging legs and unique trigger to initiate swinging A foldable baby stroller having a set of legs and a handle which are swingable relative to each other between operating and collapsed configurations. In the operating configuration, the front legs and handle lie generally on the same arc to provide a smoo...	10/24/2000
6106056	Folding chair A chair comprises a first leg frame having opposing left and right side rails and at least one cross rail extending therebetween, the side rails each having upper and lower ends; a second leg frame having opposing left and right side rails and a front cro...	08/22/2000
5782528	Folding chair A folding chair (1) which consists of a seat (5) foldable; two pairs of struts, front (2) and rear (3) which converge on and connect to the chair back (6) functioning as legs and being connected to each other respectively by a rear horizontal cross-bar (9...	07/21/1998
5524966	Folding chair with tilting backrest A folding chair is provided with three structures respectively defining the front legs, the rear legs and the seat which are reciprocally articulated around a common axis. The backrest of the chair forms part of a fourth structure separate from said three...	06/11/1996
5257799	Foldable stroller A foldable stroller is provided for transporting a child. The stroller has a seat unit including a rigid panel-like seat bottom and back joined together with a collapsible frame assembly. A control hub is provided to enable a user to release the back and ...	11/02/1993
5238265	Adjustable restrainer for use with lap bar assemblies of amusement rides An adjustable restrainer for use on the cross bar of an amusement ride lap bar assembly consists of a padded roller having an axis of rotation offset maximum and minimum distances from different parts of the roller. The roller can be rotated to adjust the...	08/24/1993
4685732	Folding chair A folding chair defined by a U-shaped rest, a seat, a pair of vertically extending front legs and a pair of obliquely downwardly extending rear legs, wherein the rest, the front legs and the rear legs are connected together for pivotal movement about a fi...	08/11/1987
4577901	Convertible utility chair A convertible utility chair includes a frame structure comprising a number of frame elements of preselected shapes for providing, when folded, a compact, transportable carry-all including ample open volume for storage purposes. Frame elements are joined t...	03/25/1986
4556249	Collapsible chair A collapsible high chair includes a pair of front legs (14) pivotally connected by pivot pins (13) to a pair of backrest holding rods (6) which hold a backrest (3), whereby an upper end portion of each front leg (14) overlaps a lower end portion of the as...	12/03/1985
4280716	Foldable wheel chair In a foldable wheel chair supporting frames for a back, a seat, a pair of back wheels and a pair of front wheels are mutually pivotally connected by means of pivot assemblies positioned at the seat-back junction and comprising a blocking mechanism which i...	07/28/1981
4191419	Hinge mechanism for folding chairs A folding chair is disclosed having a back rest with terminal ends, interconnected pairs of first and second legs, and a seat pivotally connected to the second legs. The chair is adjustable between a folded position with the first and second legs, the sea...	03/04/1980
4065173	Folding chair A folding chair having two upright sides which can be moved from a spaced apart operative position to a folded position where they are adjacent to one another, the chair also having cross frames between said vertical sides and which can be folded in sciss...	12/27/1977
4058341	Collapsible chairs A collapsible item of furniture such as a chair is disclosed as having a back-rest portion connected by a serrated means in continual meshed engagement with a serrated means connected to posterior leg portions so that the back-rest and posterior leg porti...	11/15/1977

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Class 297/48 - Back articulated to both leg pairs