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7497515 |
Ergonomic 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...
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7396081 |
Chair 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...
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7350863 |
Height-adjustable work chair
Work chair, comprising a seat, supported in a height-adjustable manner by a column on a foot, and an adjustable backrest, the seat, at least in part, having a substantially horizontal position, and...
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6942295 |
Reclining 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...
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6659555 |
Spring 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...
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6513879 |
Chair 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...
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6290296 |
Anti-rattle pad
A chair height control mechanism has a gas cylinder with a valve control finger extending from an upper end overlain by a tilting actuator. A resilient pad is adhered to the upper end of the gas...
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6045187 |
Chair 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...
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5961179 |
Operator-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...
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5577802 |
Adjustable chair
A chair comprises a base with a fixed stem extending vertically from the base and a track member mounted to the top of the stem. The track member is a segment of a circle, the center of which is...
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5383709 |
Orthopedic chair with forwardly and rearwardly inclined positions
A mobility chair is provided with a pair of mounting members projecting downwardly from armrests on opposite lateral sides of a seat frame approximately midway between a front end of the seat frame...
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5056866 |
Rocking chair, particularly office chair construction
To provide for a compact seat adjustment mechanism, an elongated seat support (21) is secured to a floor support structure including a central post (13), to extend at an upwardly directed angle of...
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4790598 |
Inclinable chair provided with balance or rocker structure
The chair has a seat or seat portion equipped with a balance and its linkage structure has links fixed in articulated manner to a support arm and to which there is articulated a balance device in...
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4732423 |
Invalid's chair construction
Invalid's chair has a support frame which includes a main support section, a seat support section pivotable on the main frame section and a back frame section, pivotable on the seat support section...
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4664352 |
Suspension device for vehicle seat
A suspension device for a vehicle seat has a lower frame secured to a vehicle floor, an upper frame disposed above the lower frame in parallel for mounting the vehicle seat, link plates disposed in...
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4632455 |
Chair with occupant assisting features
A chair having a seat pivotally connected to a base frame, the seat's pivotal axis being horizontal and parallel to the front of the chair and located intermediate the front and back of the seat...
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3578381 |
CONTROLLED MOTION AMUSEMENT DEVICE
A pneumatic amusement device consisting of a resilient bellows and offering controlled but varied motion responses to the rider.
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2984290 |
Seat construction for tractors and like vehicles
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