Chair that has a mechanism for supporting the seat part

摘要

A chair comprising a seat (1(1B)), a seat support (2(B)) for supporting the seat (1), a rear seat support (3(B)) extending upwardly rearwardly of the seat support (2(B)), and a slide mechanism (X1)(moving mechanism (XB)) for sliding the seat (1(B)) back and forth with respect to the seat support (2(2BB)). Further, a seat (6C) is provided with a fixing mechanism (100C) for fixing it at a desired longitudinal position, and a lever (110C) for operating the fixing mechanism (100C) is installed at a position which allows longitudinal movement thereof together with the seat (6C).