发明名称 Folding wheel chair and stand-assist seat
摘要 A folding wheel chair having a pair of side frames 11 and 12, cross links 13 connecting said side frames each other, and a foldable seat 20 connected to the upper end of the cross links is provided. The seat 20 consists of a front right section 21, a front left section 22, a rear right section 23 and a rear left section 24. The front right and left sections are connected swingably to front edges of said rear right and left sections via a transverse axis X1 at the rear edges, and are connected swingably to the front portions of said cross links respectively via a transverse axis X2, the front right and rear right sections are connected swingably to the right edges of said front left and rear left sections via a longitudinal axis Y1 at the left edges, the rear right and left sections are connected to the cross links via a spring member 30.
申请公布号 US8590920(B2) 申请公布日期 2013.11.26
申请号 US201113177851 申请日期 2011.07.07
申请人 MASAKI SADAO 发明人 MASAKI SADAO
分类号 B62B1/00 主分类号 B62B1/00
代理机构 代理人
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