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

Icon_funbox Quotables

"The man with a new idea is a crank until the idea succeeds."

Samuel Clemens

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 297/83 - With means to move bottom relative to and concurrently with back


Subclass of Class 297 - Chairs and seats
Definition: Device wherein the bottom is united to the back so that
No. of patents: 62
Last issue date: 04/22/2008


1    
NumberTitleIssue Date
7361128Exercising apparatus
An exercising apparatus has a front frame, a rear frame and a seat assembly. The rear frame is connected to the front frame and the seat assembly is mounted pivotally between the front frame and the rear frame. The seat assembly has a seat back, a seat, a leg holder...
04/22/2008
7357450Wall-avoiding high leg recliner chair
A reclining seating unit includes: a base; a generally horizontally disposed seat positioned above the base; a generally upright backrest positioned above a rear portion of the seat; an ottoman; and a reclining mechanism attached to the base, seat, backrest and otto...
04/15/2008
7322641Two-step connecting element
A device positioned within in a chair, especially a chair with an adjustable back of the chair and head rest, is disclosed. The device is configured such that between a section of the head rest and an attachment section on the chair construction is arranged a connec...
01/29/2008
7318625Reclining element
A reclining element includes a pivotal backrest, a headrest, which is coupled in an articulated manner thereto, and optionally a footrest. These pivotal parts can be displaced by an electromotive adjusting device. The reclining element is so configured as to elimina...
01/15/2008
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
7261367Method and apparatus for a three position wall-avoiding reclining chair
A three position reclining chair having a front panel, arms, a seat cushion and a seat back, has a positioning linkage with interconnected seat support, leg support and seat back linkage groups. The seat support linkage group supports the chair seat for forward move...
08/28/2007
7195583Posture and exercise seating
Seating that provides comfort, facilitates healthful upright posture, has capability for exercise, and facilitates a healthful upright position, comprises a seat having left and right portions for supporting a user's left and right thighs, respectively. A seat suppo...
03/27/2007
7134156Gas spring activated adjustable bed
An adjustable bed including a stationary frame is supported above a floor. An articulated deck comprising head, seat, leg and foot deck boards hingedly joined together is spaced above the frame with connectors. The connectors include generally inverted U-shaped tube...
11/14/2006
7093312Single motor adjustable bed
An adjustable bed including a stationary frame is supported with legs above a floor. An articulated deck comprising head, seat, leg and foot deck boards hingedly joined together is spaced above the frame with connectors. The connectors include generally inverted U-s...
08/22/2006
7025415Multifunctional chair
A multifunctional chair comprises a base adapted to rest on the ground; a support frame including a seat part and a backrest part pivotally attached to the seat part; a leg frame supporting the support frame and including a rear leg having a first end pivotally conn...
04/11/2006
6988769Spring toggle furniture mechanism
A spring assembly for an article of furniture having a seat assembly supported from a chair frame and an actuation mechanism for enabling a leg rest assembly to move between a stowed position and an extended position. The mechanism includes a support shaft, a drive ...
01/24/2006
6974186Chair
A chair includes a seat rotatably attached to a base with a pivot axle and coupled to the base with an actuator, to adjust the seat relative to the base. A seat back is rotatably attached to the seat and coupled to the seat with another actuator, to adjust the seat ...
12/13/2005
6935448Obstacle traversing wheelchair
The present invention provides a curb-climbing wheelchair having pivotal arm assemblies. The pivotal arm assemblies include at least one front caster and have the ability to rotate or pivot. The pivot arms rotate or pivot in response to moments generated by accelera...
08/30/2005
6929320Aircraft seat with synchronized back rest and leg rest
A seat (1) for a vehicle such as an aircraft, comprises a back rest structure (3) and a squab structure (2) mounted so as to pivot with respect to the back rest structure (3), a structure (5) supporting the squab structure (2
08/16/2005
6923280Obstacle traversing wheelchair
The present invention provides a curb-climbing wheelchair having pivotal arm assemblies. The pivotal arm assemblies include at least one front caster and have the ability to rotate or pivot. The pivot arms rotate or pivot in response to moments generated by accelera...
08/02/2005
6916069Seat
A seat, in particular a vehicle seat, preferably an aircraft passenger seat, has seating components such as a sitting part (20), a back rest (22), and a leg rest (24). The positions of these components, particularly their inclination relative to...
07/12/2005
6902233Reclining chair with extendible leg rest
A reclining chair includes a base frame, a pivot link having a lower pivot end connected pivotally to the base frame, a back frame, and a carriage. A linkage mechanism couples pivotally a lower end of the back frame to a rear end of the carriage and to an upper pivo...
06/07/2005
6899393Linkage mechanism for a motion chair
A recliner in one embodiment has a support assembly capable of oscillatory motion, and the support assembly includes a chair support, a seat portion, coupled to the chair support, a back rest portion, and a foot rest portion. The oscillatory mechanism includes an ar...
05/31/2005
6604791Reclining leisure chair
A reclining leisure chair includes a base frame, a seat frame, a backrest frame, a hassock frame, a driving device, and a link rod. The driving device enables the seat frame and the backrest frame to be adjusted for reclining at the same time. The link ro...
08/12/2003
6557942Combination lounger with easy assembly and detaching structure
A combination lounger is constructed to include a rotary base with an reclining mechanism, a hassock detachably fastened to angle plates at front links of the reclining mechanism of the rotary base by tie screws, two armrest and side panel units detachabl...
05/06/2003
6481797Power-driven armchair with an improved structure
An armchair (10) comprises a support frame (11, 12) to which a base seat (14) and a back (16) are fastened, which elements are movable between a first and a second position through power-driven movement means (21). The base seat (14) is pivotally mounted,...
11/19/2002
6409262All-linkage reclining chair with improved tensioning mechanism
A reclining chair is provided which includes a base and a support linkage assembly pivotally supported from the base. A longitudinal link is operably interconnected to the support linkage assembly. A recline linkage assembly is operably coupled to the lon...
06/25/2002
6402232Chair with adjustable backrest and footrest
A chair includes a seat portion with legs and a backrest frame and a footrest are respectively pivotally connected to two opposite ends of the seat portion. Two rods are pivotally connected between the backrest and the footrest. A cylinder is connected to...
06/11/2002
6338531Stand-assist recliner chair
A stand-assist chair has a base frame adapted to stand on the floor, a seat frame movable above the base frame and carrying a generally horizontal seat, a back on the seat frame extending upward from a rear edge of the seat, and a motor housing on one of ...
01/15/2002
6145924All-linkage recliner with reinforced chair frame construction
An all-linkage reclining chair having a reinforced chair frame is disclosed. The chair frame includes a side frame assembly integrally connected to a seat assembly along two orthogonal planes. More specifically, a longitudinal seat rail is secured to an i...
11/14/2000
6000758Reclining lift chair
The lift chair has a base frame, an extendable/retractable chair occupant positioning apparatus attached to the base frame, a reversible D.C. motor for extension and retraction of the chair occupant positioning apparatus relative to the base frame. A cont...
12/14/1999
5992930Wall proximity reclining chair
A reclining chair is provided which includes a base, and a support linkage assembly pivotally supported from the base. A longitudinal link is operably interconnected to the support linkage assembly. A recline linkage assembly is operably coupled to the lo...
11/30/1999
5975627Swivel base reclining chair with linkage reclining mechanism
A reclining chair is provided which includes a base frame, a support linkage assembly pivotally supported from the base frame, a seat back operably coupled to the support linkage and a chair frame, including a seat frame, secured to the support linkage. A...
11/02/1999
5918942Chair arrangement
Adjustable chair equipped with a calf supporting board which by means of an over-center mechanism and a gas spring can be brought to a horizontal position when the angle between the seat and the back of the seat increases, the board being foldable when th...
07/06/1999
5790997Table/chair egress device
A table including an articulated deck having a head section, a seat section, a foot section and at least one of the sections is coupled to the frame for movement between a generally horizontal position and a tilted position about a first effective axis ab...
08/11/1998
5527095Pawl and ratchet assembly
An improved latching mechanism for a rocking-type chair selectively permits or inhibits rocking motion of the chair frame relative to the base upon actuation. The improved latching mechanism includes a pawl and ratchet assembly having a spring-biased pawl...
06/18/1996
5480209Mechanism for wall-proximity reclining chair
A reclining chair mechanism is provided for a wall-proximity reclining chair permitting a chair of normal back height to be stationed as close as three inches to a wall or other structure when the back is upright, and, yet, have sufficient space for the b...
01/02/1996
5382073Modular reclining chair and method
A modular reclining chair and method for assembling it are disclosed. The modular reclining chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The...
01/17/1995
5348367Reclining chair mechanism
A simple and economical six-bar linkage system keeps a reclining chair stable in its closed position, and permits it to assume any degree of recline between slight recline and full recline without need for friction devices or springs. This is accomplished...
09/20/1994
5323526Method for assembling a modular wall proximity reclining chair
A modular wall proximity reclining/tilt chair and method for assembling it are disclosed. The modular wall proximity reclining/tilt chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing im...
06/28/1994
5301413Modular reclining chair and method of making
A modular reclining chair and method for assembling it are disclosed. The modular reclining chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occupant. The...
04/12/1994
5222286Modular reclining/tilt chair and method of making
A modular reclining/tilt chair and method for assembling it are disclosed. The modular reclining/tilt chair includes a simplified actuation mechanism which significantly reduces system complexity and weight while providing improved comfort to the seat occ...
06/29/1993
5082324Foldable reclining chair
A reclining chair is arranged having a back rest pivotably supported and mounted at its intermediate region to the upper lower and right arm portions of a base frame, a seat pivotably mounted at its rear end to the lowermost section of the back rest at a ...
01/21/1992
5064244Reclining sofa
A sectional sofa having one sofa section that includes a pair of reclining seats that are separated by a console on which push button controls are mounted that separately control the movement of the reclining seats from the upright to the reclined positio...
11/12/1991
4707025Rocker recliner
A rocker-recliner chair utilizing but two mounting links for mounting the seat and backrest to the rocker cams and which mounting links are also utilized to position the chair in advanced reclining positions beyond the TV position. The chair is biased to ...
11/17/1987
1    
 
Sign InRegister
Username  
Password   
forgot password?