发明名称 PORTABLE PATHWAY APPARATUS
摘要 A portable pathway apparatus for providing a path over an earthen surface that includes a pliable frame member comprising one or more layers; a row of mating holes disposed on each side of the pliable frame member; a set of independently adjustable steps coupled to the pliable frame member in a first orientation direction; wherein each independently adjustable step comprises an adjustment mechanism, and wherein each independently adjustable step is coupled to the pliable frame member with a mount that aligns with the row of mating holes on each of the corresponding sides of the pliable frame member, whereby each of the independently adjustable steps is also movable along a length of the pliable frame member.
申请公布号 US2013326971(A1) 申请公布日期 2013.12.12
申请号 US201313968194 申请日期 2013.08.15
申请人 STANALAND MARTIN 发明人 STANALAND MARTIN
分类号 E01C15/00;E01C9/00;E04F11/06;E04H7/00 主分类号 E01C15/00
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