| 摘要 |
The invention concerns a seat support for revolving chairs, in particular office revolving chairs, comprising a metal body in the shape of a pan, provided with top fixing elements for the seat lower part or seat plate, a bottom part for receiving the conical end of a support post adjustable in height, rear assembling elements for assembling said support to a seat back support and at least a lateral or front sleeve, provided for at least an actuating lever. The pan-shaped metal body has side walls opening obliquely frontwards at least partially into an angle ranging between 20 and 70 relative to the seat support longitudinal median axis, and are joined therein with a front wall. The pan-shaped metal body horizontal transverse section, formed by the side walls and the front wall tapers towards the tub base.
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