Title:
TILTING MECHANISM FOR A CHAIR
Document Type and Number:
WIPO Patent Application WO/1993/009698
Kind Code:
A1
Abstract:
Mechanism for a chair, especially an office chair, comprising a biased back support (5) and a seat (4) being synchronously movable with the back support (5), the spring (2) for the seat (4) as well as for the back support (3) being arranged in the journalled axis (2) for the back support (3) in the frame (1) of the mechanism, the seat (4) being journalled near the front edge, to the frame (1) with a shaft (6) being arranged horizontally and vertically in a distance from the journalling axis (2) of the back support, the seat (4) being journally connected with a shaft (7) on a support arm (3) to which the back support (5) is connected by means of a connection piece (9) by which the difference between the rotation radius around the shaft (7) and the radius of the rotation of the seat (4) around the shaft (6), is compensated.
Inventors:
LIE TORE (NO)
Application Number:
PCT/NO1992/000181
Publication Date:
May 27, 1993
Filing Date:
November 03, 1992
Export Citation:
Assignee:
RING MEKANIKK AS (NO)
International Classes:
A47C1/032; (IPC1-7): A47C1/032; A47C3/026; A47C9/02
Domestic Patent References:
| WO1992003951A1 | 1992-03-19 |
Foreign References:
| US4979778A | 1990-12-25 | |||
| US2471024A | 1949-05-24 | |||
| US4575150A | 1986-03-11 | |||
| US2321385A | 1943-06-08 |
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