The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 19, 1996
Filed:
Jun. 19, 1995
Chi-Yuang Yu, Hsinchu, TW;
Abstract
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.