1
Ronald T Uecker, Steven D Slicker: Adjustable office chair. MILSCO Manufacturing Company, James E Nilles, December 1, 1987: US04709963 (96 worldwide citation)

An adjustable office chair (10) comprises a base assembly (12), a seat assembly (14) and a backrest assembly (16). The seat assembly (14) is horizontally rotatable on the base assembly (12) and is raised and lowered thereon by a manually controlled pneumatic actuator (24) connected between the base ...


2
Hans Peter Bauer, Hans J Bauer: Bearing device for a chair with incline-adjustable back-rest bearer and incline-adjustable seat. Fritz Bauer & Sohne oHG, Browdy and Neimark, May 20, 1986: US04589697 (24 worldwide citation)

A height-adjustable office chair having an incline-adjustable seat and back includes a bearing device to which is connected a length-adjustable seat pneumatic spring connected by an articulated joint to the seat structure, a length-adjustable back-rest pneumatic spring connected to the back by an ar ...


3
Keith L Davis, Matthew J Phillips, Rodney C Schoenfelder: Height and pivot-adjustable chair arm. Hon Technology, Joseph H Golant, Jones Day, March 9, 2004: US06702386 (14 worldwide citation)

A height and pivot-adjustable office chair arm assembly with an arm rest that can be raised to different vertical positions by actuation of a gas cylinder and having a shroud surrounding and vertically movable with respect to at least a portion of an arm support that is hollow and surrounds the gas ...


4
Massimo Costaglia: Adjustable office arm chair with articulation. Metalseat, October 5, 2005: GB2412576-A (13 worldwide citation)

An adjustable office chair structure with articulation for synchronized movement of the seat and backrest (3) comprises a swivel type base (1) with a column (12), adjustable in height, that supports the hinged seat and the backrest which supports an adjustable headrest (8) and lumbar support (9). Th ...


5
Jensen Jacob: Adjustable office chair or working chair with position indicator.. Labofa, January 6, 1982: EP0043242-A1 (12 worldwide citation)

In an adjustable chair with means for regulating the mutual positions of seat (9), back (15) and underframe (1-4) to control at least one of the functions seat height in relation to floor, back height in relation to seat, seat depth and seat inclination in relation to the horizontal the position ind ...


6
Herbert Beer: Adjustable office chair. Steifensand Sitzmobel und Tischfabrik Inh, Bacon & Thomas, July 12, 1983: US04392686 (9 worldwide citation)

The present invention discloses an adjustable office chair in which the backrest may be adjusted in relation to the seat carrier. This adjustment is realized by means of an actuating lever and a clamping bolt arrangement which allows a linkage system to vary the position of the backrest in relations ...


7
Vogtherr Burkhard: Working chair. Vogtherr Burkhard, August 18, 1999: EP0935934-A2 (5 worldwide citation)

An adjustable office chair is supported on the floor by a wheeled base section (10) with a telescopic vertical support (14) topped by a support structure (16) for a seat (20) and for support arms (24) for a seat back. The seat and the support arms have tilt adjustment about a common axis (22) to sel ...


8
Middelkoop Maarten: Adjustable office chair. Rudimec, September 10, 1997: EP0793929-A1 (5 worldwide citation)

Chair, comprising: one or more leg parts (4,5); a seat part (6) which is arranged on the leg parts (4,5) and which is tiltable both forward and backward; and a chair back part (7) which is adjustably connected to the seat part (6) and which is tiltable together with this seat part (6), wherein tilti ...


9
Adjustable office chair. Kuhn Kurt Josef, August 18, 1982: GB2092438-A (4 worldwide citation)

An adjustable office chair has an upholstered seat which is divided into a back part 8 which can be reclined together with the back rest 10 and a front part 9 connected to this by hinges 11 which is held by a linkage 12-15 such that when the back part 8 is reclined, the front part bends forward in r ...


10
Ying Chieh Su: Adjustable office chair. Panitch Schwarze Belisario & Nadel, June 18, 2013: US08465091 (1 worldwide citation)

An adjustable office chair includes a base device, and a seat device disposed on the base device. The seat device includes a fixed seat section, a rear seat section connected pivotally to and disposed behind the fixed seat section, a front seat section connected pivotally to and disposed in front of ...