U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 297/452.4 - Having a laterally adjustable dimension


Subclass of Class 297 - Chairs and seats
Definition: Device wherein the bottom or back includes a means for permitting
No. of patents: 37
Last issue date: 04/08/2008


NumberTitleIssue Date
7354107Vehicle seat with a deformable S-shaped backrest
A vehicle seat with a backrest and a seat part. The backrest includes a backrest frame and S-shaped rod elements arranged therebetween so as to form an S-shaped backrest having a shoulder region which can be deformed in the forward and backward direction and a lumba...
04/08/2008
7232094Method and device for adapting the seat row arrangement in passenger planes according to need
To allow for optimum arrangement of the rows of seats for any individual flight, the distance between rows is adjusted in the longitudinal direction of the passenger plane, optionally according to sections, by storing in a control device an actually desired arrangem...
06/19/2007
7207403Transportable power wheelchair
A transportable power wheelchair is provided which employs a variety of detachable modules to facilitate transportation and storage. The wheelchair may be readily disassembled/reassembled by a single individual without assistance and/or the need for special tools. T...
04/24/2007
7185910Multi adjustable chair
A multi adjustable chair is comprised of a support frame to which is secured an adjustable seat assembly and an adjustable backrest assembly. The backrest assembly has displaceable back support plates that are adjustable to a desired position. A back cushion is secu...
03/06/2007
7134678Wheelchair
A wheelchair comprises a frame which supports the wheels, the seat, back rest, and foot rests of the wheelchair. The seat, the back rest, and the foot rests are adjustable in relation to one another. The frame comprises a lower and an upper frame section. On the low...
11/14/2006
7055907Light weight transportable chair
A light-weight easily transportable chair having a fabric foam plastic seat, a fabric covered foam plastic seat back and a hinge interconnecting said seat and said back and a flexible fabric skirt fixed to the bottom of the seat, the skirt extending over the top of ...
06/06/2006
7032974Headrest assembly
Certain exemplary embodiments provide an apparatus comprising: a headrest assembly adapted to non-destructively attach to a pair of uprights of a wheelchair. Certain exemplary embodiments provide a method comprising: non-destructively removably attaching a headrest ...
04/25/2006
6913318Adjustable seat support for a wheelchair
An adjustable seat support assembly for a wheelchair. The seat support assembly includes a seat bottom frame and a seat back frame. The seat bottom frame has at least two spaced apart beams. Each beam includes at least one channel that extends along at least a porti...
07/05/2005
6695410Adjustable support system of seat structure
An adjustable support system of seat structure includes two side supporting units foldably extended from two vertical sides of the back panel, at least an elongated element having a predetermined length of holding portion extended from the back panel thro...
02/24/2004
6588836Chaise longue
A chaise lounge includes a support device fixed at the rear side of two side rods to expand the two side rods to hold a soft surface sheet. The support device has two pivot bases respectively secured on the two side rods and having a pivot opening. The tw...
07/08/2003
6460933Multiply adjustable low back support assembly for a wheelchair
A wheelchair back assembly is provided which has a back plate held in position relative to upright wheelchair cane members by opposed independent mounting assemblies. The mounting assemblies include a support bar which carries a bracket attached to the ba...
10/08/2002
6450579Foldable seat for a vehicle
A vehicle seat includes first and second elements for providing support for a person sitting in the vehicle seat. A link mechanism is arranged so as to interconnect the first and second elements in an articulated manner, so that the second element can be ...
09/17/2002
6352307Multipositioning system seat
A seat, for example, a wheelchair, comprises a seat part, a backrest part, armrests, and footrests. The seat part and the backrest part have a commonly adjustable width, e.g. the side support portions can essentially be inserted into portions of a central...
03/05/2002
6290291Adjustable bicycle saddle
An adjustable bicycle saddle is provided with a saddle base (attachment member) and first and second saddle portions that are movably coupled relative to the saddle base between at least two different locations to change the effective transverse width of ...
09/18/2001
6095600Bicycle seat
A bicycle seat including a multi-section seat cushion assembly including a left, right and center seat cushion each having the top surfaces connected to another seat cushion section with a resilient seat cover portion. The seat cushion sections are suppor...
08/01/2000
6033026Chair frame assembly with adjustable width
A chair frame assembly includes first and second lateral frames formed with aligned first and second mounting holes, and linking units extending between the lateral frames. Each of the linking units includes a tubular positioning sleeve, a connecting rod,...
03/07/2000
6022071Reclining chair
A swivel type chair that functions as both a high back desk chair and a recliner. The seat and backrest pivot as a unit on the base between upright and reclined positions and a footrest is movable pivotally with respect to the seat and is tucked underneat...
02/08/2000
5984418Adjustable seat for wheelchairs
A size-adjustable wheelchair seat comprises a first size-adjustable frame member, a second size-adjustable frame member and a cross frame member. The first frame member extends generally in a longitudinal direction. The first frame member includes a first...
11/16/1999
5954402Size-adjustable load supporting device for wheelchairs
A size-adjustable load supporting device comprising a load supporting top panel and a size-adjustable support frame. The support frame is adjustable laterally and longitudinally to fit a variety of wheelchairs and to accommodate different sized patients. ...
09/21/1999
5944385Adjustable wheelchair back seat back angle adjustment mechanism and related devices
A wheelchair seat back having width adjustable wings, a mechanism to permit forward and backward angular adjustment of the wheelchair seat back, a clamping assembly for mounting the wheelchair seat back to wheelchair uprights, and a width adjustable cushi...
08/31/1999
5873626Bicycle seat
In accordance with the present invention, a seat comprises a frame to be sat on by a user, which frame includes two side portions for supporting the ischial tuberosities and for substantially avoiding the application of pressure to the perineal body and t...
02/23/1999
5823614Three-way reclining furniture item
A reclining furniture item including a reclining mechanism employing a roller and track system which significantly reduce the number of linkages and provide a zero or near zero wall proximity feature. Various embodiments are contemplated which include a m...
10/20/1998
5713632Swivel chair having a body-fit structure
A swivel chair having a body-fit structure is provided with a movable seat, a chair frame, an adjustable stud, a seat cushion split into two arched halves, springs, two sliding blocks, two fixing plates, and an extensible shade. The movable seat having oc...
02/03/1998
5681084Child seat apparatus
A child seat apparatus includes a seat, a reclinable backrest, and at least either a pair of side guards rotatably mounted on the backrest or a pair of armrests mounted on the seat, wherein the lateral spacing between the side guards or the armrests is ch...
10/28/1997
5681092Anatomical wheelchair seat cushion system
An anatomical wheelchair seat cushion system is disclosed. The system includes a flexible base having a lower surface which interfaces with the wheelchair and an upper surface which receives a fluid-containing pad which interfaces with the user and/or int...
10/28/1997
5673973Public transportation seating comprising a plurality of seats with variable spacing
The device concerns a driving gear for Convertible public transportation seats with variable spacing (2a, 2b, 2c) along a dimensional axis (3), the seats (2a, 2b, 2c) being mounted on a structure (4) with several adjacent seats (2a, 2b, 2c), with each of ...
10/07/1997
5671976Modular automotive seat frame
A modular automotive seat frame enabling a variety of seat frames to be fabricated of modular components. The seat back frame includes a pair of side supports each including a cross member which nestingly interfit with one another. The amount of nesting i...
09/30/1997
5580128Therapeutic seat
The invention is an improved seat device to be used by those who have pain or discomfort sitting on a regular seat. The seat device can be attached to a chair frame or be used as a portable unit in the home or while traveling....
12/03/1996
5564786Modular adjustable seat frame for wheelchairs
A seat frame for mounting on a chair frame for supporting a seat pad and seat back. The frame is formed by a pair of spaced apart side rails, each rail having a plurality of spaced apart parallel transverse mounting beams extending therefrom towards the o...
10/15/1996
5558401Seats for buses and the like
They improve the passenger's passive safety and comfort. They are comprised of a deformable frame to absorb the energy transmitted in the presence of an impact, without any portion of the same becoming detached. The design thereof has no sharp angles or e...
09/24/1996
5547259Modular automotive seat frame
A modular automotive seat frame enabling a variety of seat frames to be fabricated of modular components. The seat back frame includes a pair of side supports each including a cross member which nestingly interfit with one another. The amount of nesting i...
08/20/1996
5509722Convertible passenger seat assembly and grouping of passenger seat assemblies
A passenger seat assembly convertible between a first two-seat configuration, and a second two-seat configuration having increased seating space between seat armrests and spacing between seats. The seat assembly includes a seat assembly base with first an...
04/23/1996
5464273Seat construction
A seat construction including a composite inner/outer frame to which at least two seat pans are secured. The composite frame includes three horizontal cross members, located at the front ends of bottom portions of the seat pans, at the junctions of the bo...
11/07/1995
5098157Width-adjustment child seat
A child's seat, which is possible to position and fix onto a motor vehicle seat, including a frame covered with a padding including two lateral edges forming, together with the seat, a bucket seat, the lateral frame elements defining the lateral edges bei...
03/24/1992
4877286Adjustable width bicycle seat
The present invention provides a bicycle seat with interchangeable horns and one in which the support platforms may be adjusted to a broader base or to a narrower base....
10/31/1989
4850159Collapsible seating system with automatically folding seats
Seating for a telescoping row system or the like is mounted to a beam pivotally secured to a base anchored to the platform and riser. The beam is raised arcuately into a use position by a pneumatic bellows and is mechanically locked in the upright positio...
07/25/1989
4375295Detachable wheelchair backrest
The commonplace laterally collapsible wheelchair is rendered more convenient and versatile by the addition thereto of several add-on attachments which can be readily installed by the purchaser of the chair at minimum cost and without structural alteration...
03/01/1983
 
Sign InRegister
Username  
Password   
forgot password?