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

Icon_funbox Quotables

"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."

Carl Sagan

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 297/344.2 - Motor actuated


Subclass of Class 297 - Chairs and seats
Definition: Device wherein the vertical adjustment means is actuated
No. of patents: 44
Last issue date: 11/03/2009


1    
NumberTitleIssue Date
7611203Patient chair lift
A frame assembly is formed of side rails with a cross rail and spaced vertical support rails. A drive screw is positioned on the cross rail. A motor and a follower are received on the jack screw. The follower may move upwardly and downwardly on the drive screw. A ch...
11/03/2009
7334829Vehicle seat lift speed variable switch system
A vehicle seat lift speed variable switch system basically has a lift-up mechanism, a control unit and an interface. The lift-up mechanism is configured to selectively lower and lift a vehicle seat between a first position inside a vehicle occupant compartment and a...
02/26/2008
7258401Portable chair and method of use thereof
A portable chair and method of use thereof, wherein the chair comprises a seating portion, a support pole and a strap that secures the chair to a fixed object, such as a tree or post. The chair further comprises a section of material utilized as a seat, wherein the ...
08/21/2007
7216935Dynamic chair
The present invention provides a dynamic chair having a deterministic motion path that allows a variety to different paths to be selected depending of needs of user. By changing the ratio between drive wheels that control the pitch and roll of the seat, motion paths...
05/15/2007
7140682Adjusting device for a vehicle seat
A vehicle seating system for adjusting, without rails, the vertical and longitudinal position and the inclination of a vehicle seat relative to a vehicle floor has, in one embodiment, first and second pivot levers, spaced apart from one another in an adjustment dire...
11/28/2006
7063537Rotatable assemblies and methods of securing such assemblies
A rotatable assembly and a method to use the same are provided. In particular, the assembly includes a first field device housing arrangement associated with a first electrical system, and a second field device housing arrangement associated with a second electrical...
06/20/2006
6964370RFID smart office chair
Smart furniture is provided that automatically adjusts to a person's preferences based on an identification of the person. A person may be equipped with an identification device, such as a radio frequency identification device. The smart furniture may include a read...
11/15/2005
6951370Exotic chair
A chair includes a seat frame, a seat movably mounted on the seat frame, a backrest pivoted to the seat frame, a reciprocating mechanism mounted under the seat frame to cause the seat to engage in a series of repeated up-and-down motions, and a reclining mechanism m...
10/04/2005
6928710Methods for retrofitting an adjustable chair
A method for retrofitting an adjustable chair including a seat, a pedestal base, and a gas cylinder that extends therebetween is provided. The method includes the steps of uncoupling the gas cylinder from the chair, and coupling a height adjustment mechanism to the ...
08/16/2005
6899394Chair with a rack-and-pinion assembly for adjusting height of a seat member
A chair includes a seat member having left and right sides formed with left and right leg-holding seats, respectively. Each of the leg-holding seats defines a leg extension bore therethrough. Each of left and right leg units has an elongated front leg extending thro...
05/31/2005
6739660Motorized remote controlled reclining child safety car seat
A motor and reversible drive move a child safety seat between a sitting and reclining position on a base secured by a vehicle safety belt. A drive shaft and gear system, double action winch and cord system, hydraulic drive, screw drive, or other drive system positio...
05/25/2004
6644745Methods and apparatus for mechanically controlling adjustments of a chair
A chair is electrically and mechanically adjustable through a wide range of positions in a cost-effective and reliable manner. The chair includes a seat and a back coupled to a control mechanism and supported on a base. A height adjustment mechanism is co...
11/11/2003
6641216Methods and apparatus for mechanically controlling adjustment of a chair
A mounting assembly for a chair that enables a plurality of mechanical adjustments to be made to the chair by a seated occupant in a cost effective and reliable manner is described. The mounting assembly is coupled to a control mechanism which includes a ...
11/04/2003
6637820Methods and apparatus for electrically adjusting a height of a chair
A height adjustment mechanism for a chair that enables a height of a chair seat relative to a chair base to be adjusted electrically in a cost effective and reliable manner is described. The height adjustment mechanism includes an electric motor, an upper...
10/28/2003
6629731Methods and apparatus for electrically controlling adjustments of a chair
A control mechanism for a chair that enables a plurality of adjustments to be made to the chair by a seated occupant in a cost effective and reliable manner is described. The control mechanism includes a plurality of motor-gear groups and at least one con...
10/07/2003
6590364Power kit assembly for a height adjustable chair
A power kit assembly for an adjustable chair that provides power to a height adjustment mechanism to enable a chair to be adjusted electrically in a cost effective and reliable manner is described. The chair includes a limit switch that limits an amount o...
07/08/2003
6481777Tethering apparatus for a pedestal mounted vehicle seat
A tethering system for a vehicle seat movable in at least a vertical direction. The system includes a sensor mechanism to detect the occurrence of a prescribed vehicle event. Upon detecting such an event, the tethering system acts to limit the vertical mo...
11/19/2002
6217115Simplified linkage assembly
A linkage assembly is used to vertically adjust the position of a seat. The linkage assembly includes a first link that is connected to a second link without the use of fasteners. The first link has a first mounting portion and the second link has a secon...
04/17/2001
6158809Seat mechanism for mounting in a shower or bathtub
A seat mechanism for mounting in a shower or bathtub has a telescoping lift column that raises and lowers the seat. The column has mutually interacting elements that have two end elements and at least one middle element between them. The at least one midd...
12/12/2000
5769480Power seat apparatus
Apparatus for use in moving a seat in a vehicle while maintaining vehicle seating capacity. The apparatus includes a frame coupled to the vehicle. A mechanism is provided which is coupled to the seat and frame for moving the seat between a forward facing ...
06/23/1998
5692715Chair base having dual-tapered locking hub
The chair base of the present invention has a dual-tapered locking hub. A first tapered portion is provided for a major portion of the internal core, and a second tapered portion is provided in the remainder of the internal core. The taper angle of the se...
12/02/1997
5678886Adjustable game stool assembly
A detachable and fully adjustable game stool assembly for a slot machine including an elongated base plate member detachably connected at the front end to a rigid support member which is fixedly connected to the slot machine, and including a fully adjusta...
10/21/1997
5678889Moveable theater seats
A modular assembly of theater seats aligned in a row. Each of the seats in the row moves with an identical motion in response to a coordinated sequence to create seat motions which can complement a scene being protrayed on a movie screen. Three or more ro...
10/21/1997
5619762Apparatus for assisting a person in standing from a seated position
A lift for persons needing assistance in moving from a seated position to a standing position, includes an elongated seat raiseable by a jack under the seat and supported on a base assembly. The elongated seat includes stabilizer arms which extend on oppo...
04/15/1997
5584460Adjustable seat apparatus and controls
An adjustable seat support assembly and controls which allow the operator to independently or simultaneously swivel or slide the seat using control handles which are fixed relative to the seat and which may be operated independently and simultaneously....
12/17/1996
5556163Automatically adjustable office and task chairs
A cordless, power-adjustable office or task chair comprising: a seat height adjustment mechanism, including an electric motor, the upper and lower members of the adjustable column relative to each other to raise and lower the height of the seat. A seat ti...
09/17/1996
5522641Adjustable game stool assembly
An adjustable and detachable game stool assembly for a slot machine includes an elongated base plate member which is detachably connected at its front edge to the slot machine, and includes an adjustable seat configuration secured to the opposite edge of ...
06/04/1996
5454536Chair base assembly
Disclosed is a pedestal base for furniture, such a chair. The pedestal base is comprised of a plurality of radially oriented leg members which converge on a central hub, the hub and all of the leg members being formed as an integral piece of molded plasti...
10/03/1995
5437495Flexible multi-direction beauty salon chair
The present device relates to a new design of beauty salon chair, particularly a flexible multi-direction beauty salon chair that can move in different directions automatically, primarily driven by control circuits connected to sets of guiding rod. That t...
08/01/1995
5382039Suspension device for a seat of a bicycle
A suspension device is provided for a seat of a bicycle which consists of a telescoping seat post for carrying the seat. The bicycle has a frame with a generally upright seat tube for receiving the seat post. A structure is for securing the seat post to t...
01/17/1995
5342114Convertible rolling chair and changing table for adult
A chain which is convertible to a table comprising: a base frame; a seat which is associatable with the base frame such that the seat is supported by the base frame and the seat can be raised and lowered with respect to the base frame; an electric motor a...
08/30/1994
5337995Power seat frame assembly
A power seat frame assembly includes a screw nut and rod assembly which is pre-assembled as a unit before being mounted on a bracket fixed to a rail for vehicle's seat. A gear box of the screw rod and nut assembly is disposed merely in a space between opp...
08/16/1994
5324058Bicycle seat shock absorbing apparatus
A bicycle seat frame having a seat post receiving a cylindrical first tube reciprocatably and slidably mounted within a second tube, with the first tube arranged to receive an adjustor rod and valve dampening structure that extends from the second tube in...
06/28/1994
5294176Sexual device for handicapped men
A device for facilitating sexual intercourse of a man having limited mobility of the lower part of the trunk, which includes a support under which the lower part of the man's trunk can fit and a seating platform resting on the support and capable of rotat...
03/15/1994
4884841Seating assistance device
A device for assisting invalids into and from a seated position, e.g., over a toilet. The device has a frame and a seat hingedly attached at the front thereof to a support member which is vertically slidable on the frame. A stop is associated with the hin...
12/05/1989
4862997Wheel chair with elevating seat having a high lift capability
A wheel chair with elevating seat having a high lift capability includes a frame assembly having a plurality of wheels attached to and normally supporting the frame assembly. A pair of opposed, vertical track members are atached to and project upwardly fr...
09/05/1989
4842233Lifting mechanism
A lifting mechanism provides double action movement of a ram member supported on a platform along a particular axis between a first lower position and a second higher position. The lifting mechanism includes the following: A motor having a drive shaft ext...
06/27/1989
4757968Apparatus for implementation of vertical movement of a chair, especially of a patient chair
An apparatus for the implementation of a vertical movement for a chair, especially a patient chair is disclosed. This apparatus comprises a lift column (1) with an upper end suitable for mounting a chair, a tubular shell construction (2) against which the...
07/19/1988
4752102Elevating and supporting apparatus
Apparatus having telescoping box-like cage sections and capable of raising a person or object to a desired height and solidly supporting same at such height, the relative movement of the sections being guided by pre-loaded rollers bearing against vertical...
06/21/1988
4714043Powered V-berth platform
There is disclosed a cushioned platform for filling in the gap in a V-berth platform in the bow of a boat or the like, and an apparatus for raising and lowering the platform between seating and sleeping positions....
12/22/1987
1    
 
Sign InRegister
Username  
Password   
forgot password?