| 摘要 |
A work chair comprising a backrest, a seat-pan, a fastening mechanism, and a support leg. The backrest is provided with a first fastening device. Theseat-pan comprises a pelvic support and a thigh support. The pelvic support is provided on the underside thereof with a rotary fastening unit and is further provided on a longitudinal median thereof with a second fastening device. The fastening mechanism comprises a vertical fastening portion engageable with the first fastening device of the backrest for adjusting the backrest upwards and downwards. The fastening mechanism further comprises a horizontal fastening portion engageable with the second fastening device of the seat-pan for adjusting the longitudinal depth of the seat-pan. The support leg is provided with a rotary fastening member engageable with the rotary fastening unit of the seat-pan. The thigh support of the seat-pan is arranged at an inclination ranging between 15 and 35 degrees in relation to the pelvic support of the seat-pan, so as to enable the trunk and the thighs of a person seated on the seat-pan to form an angle ranging between 100 and 120 degrees. |
