发明名称 Training ladder
摘要 A training ladder has a first chain and a second chain arranged parallel to each other, a plurality of strings arranged parallel to each other and disposed between the first and second chains, and a plurality of hollow bars made of a rigid material turnably disposed over each of the plurality of strings. The plurality of hollow bars is arranged to have a play for absorbing a change of a joint direction of the bar and the chain at each of joint portions of the bars and the chains by turning the bar.
申请公布号 US9468803(B2) 申请公布日期 2016.10.18
申请号 US201314384074 申请日期 2013.02.15
申请人 Tani Shinichiro 发明人 Tani Shinichiro
分类号 A63B26/00;A63B23/04;A63B17/00;A63B71/06 主分类号 A63B26/00
代理机构 代理人 Kanesaka Manabu
主权项 1. A training ladder, comprising: a first chain and a second chain arranged parallel to each other; a plurality of strings arranged parallel to each other, one end of each of the plurality of strings being connected to the first chain, and another end of each of the plurality of strings being connected to the second chain; and a plurality of hollow bars, each being turnably disposed over each of the plurality of strings, wherein each of the bars is composed of a rigid body, and is arranged to have a play for absorbing a change of a joint direction of the bar and the chain at each of joint portions of the bars and the chains by turning the bar, and each of the strings is a ring-shaped string extending through the bar in a longitudinal direction of the bar, and also each end of the ring-shaped strings positioned at two ends of the bar is put into a ring constituting the first or second chain so that the string and the ring are linked with each other.
地址 Kai JP