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Class 297/319 - Back-actuated cam tilts bottom


Subclass of Class 297 - Chairs and seats
Definition: Device provided with means connected to the back to slidably
No. of patents: 17
Last issue date: 10/28/2008


NumberTitleIssue Date
7441839Reclinable chair
A chair includes a supporting frame and a seat portion which is foldable about a transverse fold to define a rearward portion behind the transverse fold and a forward portion, forward of the transverse fold. The seat portion is supported above the supporting frame b...
10/28/2008
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
6616231Multi-position tilt-limiting mechanism
A chair back upright tilts about a pivot axis with respect to a chair seat plate and has a protrusion on the bottom portion thereof. When the occupant of a chair reclines, the protrusion on the back upright and a stop plate make contact with each other. T...
09/09/2003
5871256Method for inclining a chair seat and chair having an inclinable seat
The disclosure relates to a method for inclining a chair seat and a chair having an inclinable seat for which maintenance can be easily carried out from outside the attaching frame of a chair, wherein the attaching frame is applicable to leg portions of v...
02/16/1999
5868468Chair with adjustable inclination
A chair includes an L-shaped backrest with a horizontal section engaged with an underside of a seat. An elongated slot is defined in an underside of the horizontal section. A spring assembly includes a knob with a screw extending through the elongated slo...
02/09/1999
5573303Chair seat tilting mechanism
A chair seat tilting mechanism comprises a support for mounting to a chair spindle and a lever arm pivotally mounted at a pivot to the support, which lever arm is for mounting to a chair seat. A link arm is pivotally mounted at a pivot to the support and ...
11/12/1996
5462510Single effort, double action exercise bench
A multiple inclination exercise bench having a torso supporting assembly and a seat supporting assembly is disclosed wherein the elevation by a user of the torso supporting assembly causes the elevation of the seat supporting assembly. The invention is ch...
10/31/1995
5261727Convertible chair
The chair can be converted from a state where a person traditionally sits on the approximately horizontal seat (13) of the chair to another state where the person sits on the now inclined seat of the chair, one and the same means being used as back rest i...
11/16/1993
4902069Seat especially for a flight attendant
A seat or chair especially for a flight attendant in an aircraft has a backrest section and a seat section hinged to each other and to a frame in such a way that the backrest section and the seat section can take up different angular positions relative to...
02/20/1990
4834454Office chair with tiltable seat and back
This invention relates to a chair having a tilting back that tilts rearwardly when the user leans rearwardly and that follows and supports the user's back as he leans forwardly. A lever, swingably mounted to the chair, responds to the specific weight of t...
05/30/1989
4636002Vehicle seat
A vehicle seat such as an automotive seat is disclosed in which the rearward portion of a cushion frame is attached to a vehicle floor by shaft pins so that the forward portion of the cushion frame can be raised up and lowered down by link members. These ...
01/13/1987
4629249Device for a reclining chair
A device for a reclining chair, in which tilting angle of a back of the chair in relation to a seat panel can be adjusted to a suitable position according to requirements and/or choice by expanding and/or contracting operations of a gas-filled spring, whe...
12/16/1986
4558902Travel seat
In a travel seat comprising a backrest, at least one armrest and a seat cushion, there is provided a support plate member which, disposed at the front end of the armrest in a horizontal position is pivotal in its horizontal plane about a vertical axis and...
12/17/1985
4410213Convertible chair
A convertible chair which is adjustable between sitting and reclining positions features a support frame, a seat and a backrest in which the seat and backrest are tiltably mounted so that their relative inclinations can be adjusted to define the afore-men...
10/18/1983
4369997Chair
In a chair with elevated seat surface and footrest, a seat (30, 114), a footrest (38, 162)and a backrest (24) are connected with each other in such a manner that they are swingable jointly from a position suitable for sitting with seat substantially horiz...
01/25/1983
3934929Adjustable dental chair
The dental chair is provided which has pivotally connected back, seat and footrest sections, the seatrest being journaled in turn to a base member. A motor carried by the seat and connected to the backrest provides for articulation of the backrest relativ...
01/27/1976
3934931Dental chair
A dental chair which comprises a seat, a back inclinable relative to said seat, first means for effecting inclination of said back, second means for pushing the front portion of said seat upward, and third means operable in response to overinclination of ...
01/27/1976
 
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