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Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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Class 297/300.3 - Fluid-spring


Subclass of Class 297 - Chairs and seats
Definition: Simultaneously adjusted back and seat wherein the resilient
No. of patents: 84
Last issue date: 03/03/2009


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NumberTitleIssue Date
7497515Ergonomic chair
A work station chair (10) is enabled to shift in response to a person leaning forward in the chair (10) when in a working mode and leaning back in a rest position. The chair includes a seat (18), a backrest (24) and supportive structure. The seat (18) is resiliently...
03/03/2009
7410216Tension adjustment mechanism for a chair
A tilt control mechanism for an office chair includes a spring assembly therein which controls the tilt tension on the back assembly. This tilt control mechanism includes a tension adjustment assembly having a radial adjustment arm which supports the legs of a pair ...
08/12/2008
7410215Articulating chair
An articulating massaging chair is provided that includes a support frame; a seat pivotally connected to the support frame by a seat pivot; and a backrest pivotally connected to the support frame by a backrest pivot. ...
08/12/2008
7396081Chair height adjustment mechanism
A chair control mechanism has a rotatable shaft with a radially extending member abutting an actuating finger of a gas control cylinder. A slider may push a second radially extending member of the rotatable shaft in order to rotate the shaft. The slider has a tab ex...
07/08/2008
7322653Integrated videogaming and computer workstation
Disclosed is a videogaming and computer workstation unit, preferably integrated with an ergonomic chair, which permits ease of entry and exit to the chair for users of various sizes, and which permits users to use peripheral devices for operating video games and com...
01/29/2008
7281764Tension control mechanism for chair
The chair includes seat and back assemblies interconnected in a four-bar linkage. The chair further includes a tension mechanism comprising a coil spring projecting forwardly from a base and an adjustment linkage which is connected to said coil spring and to a front...
10/16/2007
7278685Recliner
A reclining apparatus includes a base, a reclining element and a control element. The base is arranged between a seat and a post of a chair. The reclining element is connected to a backrest of the chair and pivotally installed on the base. The reclining element defi...
10/09/2007
7267405Chair with a synchronous coordinating system for the chair back
A chair with a synchronous coordinating system for the chair back includes a base, a chair cushion and a chair back. The base and the chair cushion are connected fixedly or formed integrally, and the chair back is articulated with the base which is articulated with ...
09/11/2007
7246683Tree stand with back support
A tree stand for hunting includes a frame constructed to stably engage a tree trunk in an elevated position, a seat pivoted to the frame, and a back support pivotally supported by a link mechanism to a telescoping upright of the frame above the seat. Vertical and an...
07/24/2007
7243935Wheelchair having a pivot provision adjacent the knee of a user
Wheelchair of which a sitting support is pivotable about a virtual or non-virtual pivot axis, extending substantially horizontally, substantially at right angles to a main driving direction of the wheelchair, wherein the upper part of the body of the user, at least ...
07/17/2007
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
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
7147285Reclining apparatus for chair
A reclining apparatus is provided between a post and a seat of a chair. The reclining apparatus includes a first joint for attachment to the post, a second joint pivotally connected with the first joint for supporting the seat and a locking device for locking the se...
12/12/2006
7114777Chair having reclineable back and movable seat
A seating unit includes a seating unit having a base, a seat and a back operably pivoted to the base for synchronous movement including recline of the back and forward movement of the seat, an adjustable variable back stop adjustably engaging the seat for adjustably...
10/03/2006
7090296Item of seating furniture
An item of seating furniture having a seat and a backrest which are supported in an articulated manner on a frame, and having an operating mechanism for adjusting the inclination of the seat and the backrest. The backrest has a catch member and, when the backrest is...
08/15/2006
7036882Chair, in particular office chair
A chair, in particular office chair, comprises a seat support with a front seat support part and a rear seat support part which is pivotable in relation thereto about a horizontal pivoting axis. An adjustable-length energy storing device, which is articulated to the...
05/02/2006
7008015Seat suspension assembly
A seat suspension assembly including a base including a first pair of spaced legs adapted to be securable to a support structure. The first pair of legs is connected to a back member. A seat frame is adapted to support a seating surface and disposed between the firs...
03/07/2006
7004542Aircraft seat
An aircraft seat includes a seat cushion and a seat back. The seat cushion has a rear portion along the seat back and a front portion of complementary shape to the rear portion to form a complete seat cushion. The rear portion moves between a raised position and a l...
02/28/2006
6969116Chair with backward and forward passive tilt capabilities
A chair with backward and forward passive tilt capabilities including a seat assembly, a back assembly, a frame assembly, a wheeled base, a pedestal and a tilt mechanism. The tilt mechanism includes first, second and third links, first, second, third and fourth pivo...
11/29/2005
6966604Chair with a linkage assembly
A chair includes a control housing, a seat and a back support including an upwardly extending upright portion and a link portion extending forwardly from a lower portion of the upright portion. The link portion is pivotally connected to the control housing about a f...
11/22/2005
6945605Chair having a slide mechanism for the seat
A chair includes a seat portion 1(1B), a seat support 2(2B) supporting the seat portion 1, a rear seat support 3(3B) extending rearwardly upwardly relative to the seat support 2(2B), and a slide mechanis...
09/20/2005
6942295Reclining chair system
A reclining chair system with a standard assembly supporting seat and backrest assemblies, which are pivotally mounted to each other and capable of providing a rocker effect to a user. A strut assembly provides substantially a bounce free shock absorbing function by...
09/13/2005
6932430Combined tension and back stop function for seating unit
A seating unit includes a base, a seat, a back, and a control operably supporting the seat and the back on the base for movement between upright and recline positions. The control includes a spring providing a biasing supporting force to the back during recline, and...
08/23/2005
6923503Chair with movable seat and backrest
A chair has a seat and a backrest, a structure supporting the seat, and a base. The support structure has two lateral uprights and at least one projecting element provided with a substantially longitudinal guide. The backrest is associated with two angled elements; ...
08/02/2005
6913316Chair
In order to provide a chair that can support near a pelvis or a lumbar portion of a person who sits on the chair irrespective of a body proportion the person or a way to sit, a boundary portion K between a back and a seat is arranged to be transformable or movable a...
07/05/2005
6874853Chair
This object is attained in a chair comprising a pedestal; a seat support supported thereon via a chair column, said seat support comprising a front and a rear seat support element being connected with one another via a pivot axis extending substantially horizontally...
04/05/2005
6820935Armchair with variable position
The invention discloses an armchair (1) with variable position comprising a support structure (2) having a post (3) defining a first vertical axis (Z), a first frame (8) comprising a first pivot (9) defining a second horizontal axi...
11/23/2004
6739664Chair
A chair 1 allowing a person sitting thereon to move a part of the person's body above the waist which corresponds to the backrest of the chair is provided having a backrest portion located behind a seat portion, the backrest portion being divided into backres...
05/25/2004
6659555Spring unit for weight adjustment of a chair
A spring unit (11) for the weight setting of a chair (1), in particular an office chair, having a gas spring (12) and having a number of further spring elements (17, 18, 19; 27, 28) which can be connected up to the gas spring (12) individually or in combi...
12/09/2003
6609755Ergonomic chair
An ergonomic chair includes a four-bar linkage arrangement wherein a lower frame member is provided with a rigid front support and a rigid rear support with a seat member pivotably connected to the front support. A back rest has an upper support pivotably...
08/26/2003
6523896Chair
A chair is provided comprising a seating platform having a front edge and a back edge, a seat carrier that carries the seating platform and is connected to one of a central chair column and a plurality of chair legs, a rest carrier that proceeds toward th...
02/25/2003
6513879Chair adjustment mechanism
This patent relates to ergonomically correct seating during long periods of time, especially for professionals who work with hands extended like dentists and hand surgeons, but also computer users and other office or assembly workers. While the immediate ...
02/04/2003
6419320Base manipulation device for office chair
A base manipulation device for an office chair includes a bottom plate having locking slots and pivoted with a chair base which has a rotation plate provided with a pivot plate and a drive plate. An operation bar is pivoted on the pivot plate and has a di...
07/16/2002
6155645Rest chair
A rest chair comprises the following features: a seat portion is hingedly supported at a foot portion about a horizontal axis; at the seat portion a foot rest is hingedly linked around a horizontal axis from a position folded under the seat portion into a...
12/05/2000
6045187Chair seat height adjustment mechanism
A chair height adjustment mechanism which can be retrofit to a chair comprises a rod with a circumferential notch proximate one end for insertion through openings in the chair seat support bracket above a valve opening member of the chair height adjustmen...
04/04/2000
5961179Operator-interactive adjustable workstation
An operator-interactive adjustable workstation including a support frame, a seat adapted for engagement with an operator, and a worksurface having an enlarged upper surface. A motion connecting structure connects between the frame, seat and worksurface fo...
10/05/1999
5547252Office chair
A chair (1), in particular a swiveling office chair, has a seat support (6) fastened to a lower part (7) joined in a swiveling fashion with a seat (2) that is motionally coupled with a backrest (3) by a synchronizing sliding guide (5) or by a similar sync...
08/20/1996
5425566Working chair
A chair, especially a working/office chair, comprising a seat-supporting frame (3), a seat (1) rotatably mounted in the frame (3) about a first axis (2), a back support (6) rotatably mounted in the frame (3) about a second axis (7) behind the first one, a...
06/20/1995
5335969Chair
According to the present invention, there is provided a chair on which a sitter can take a comfortable and stable easy posture, without reducing the bending angle of his knee, despite inclining movements of the back rest and the seat of the chair....
08/09/1994
5080434Adjusting mechanism for an adjustable chair
An adjusting mechanism for an adjustable chair includes a control mechanism, by means of which a control push rod of a spring mechanism is adjusted from a locking position to an unlocking position. In the unlocking position, the chair frame which comprise...
01/14/1992
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