发明名称 Working chair
摘要 Chair or stool comprising a seat (1) with a sitting surface and carried by a stand (7). The sitting surface is divided into two portions, a rear portion (2) intended to form a resting surface for the seat in the area of the ischium of a person, who is sitting on the seat, and a front portion (3), intended to form a resting surface for the under side of the thighs of said person. The rear portion is provided as a substantially horizontal main surface and with an effective length of substantially 10-15 cm utilized as a rest. The front portion is provided as a second main surface, which slopes forwards and downwards in an angle of substantially 16-30 degrees preferably 18-20 degrees and with a length from the edge of the rear portion (2) at the connection between the two said portions and to the outer edge of the front portion being substantially 23-30 cm.
申请公布号 US4690459(A) 申请公布日期 1987.09.01
申请号 US19850788640 申请日期 1985.10.17
申请人 ULLMAN, JOHAN 发明人 ULLMAN, JOHAN
分类号 A47C7/02;A47C9/00;A47C9/02;A47C15/00;(IPC1-7):A47C3/00 主分类号 A47C7/02
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