Chair, particularly office chair

Details Chair, particularly office chair Chair, particularly office chair

1990-03-22

1992-06-16

Cranmer, Laurie K.

Chairs and seats

Back movement resiliently opposed in operating position

Back and seat adjust simultaneously

297301, 297302, 297304, A47C 300

Patent

active

051219689

ABSTRACT:
A chair, particularly an office chair, comprises a chair column, a seat lower frame supported on the chair colunm in a height-adjustable manner and rotatable relative to a vertical axis, a seat support supported on the seat lower frame turnably about a horizontal axis, a backrest support supported on the seat lower frame turnably about a horizontal axis, at least one spring with adjustable tensioning and supported on the seat lower frame and the backrest support, an adjustable abutment provided for the pressure spring, a control curve against which the adjustable abutment abuts, and an adjusting element arranged to displace the control curve.

REFERENCES:
patent: 2471024 (1949-05-01), Cramer
patent: 2894563 (1959-07-01), Simons et al.
patent: 3042448 (1962-07-01), Hamilton

Affiliated with

Also associated with

Rating

Chair, particularly office chair does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chair, particularly office chair, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chair, particularly office chair will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1749870