发明名称 LADDER
摘要 PROBLEM TO BE SOLVED: To provide a ladder allowing a user to easily climb up and down even on inclined surfaces as well as on vertical surfaces. SOLUTION: In the ladder, a number of foot holds 4 are extended between right and left parallel ropes 1 and 1 with spaces from one another in the longitudinal direction of the rope 1. Footing rods 5 which separate the foot hold 4 from a wall surface 7 when the ladder is hung along the wall surface 7 are provided to protrude from both ends of each hold 4, with the pair of right and left rods 5 and 5 and each hold 4 together forming a U-shaped unit 2. Every other pair of adjacent units 2 and 2 are connected together by a connecting rod 3.
申请公布号 JP2002121984(A) 申请公布日期 2002.04.26
申请号 JP20000318218 申请日期 2000.10.18
申请人 HOKURIKU ELECTRIC POWER CO INC:THE 发明人 YOSHIDA MASANORI;TAKEZAWA KENICHIRO;DEMISE TAKEO;KATAYOSE MASAHIKO;KIMURA GENICHIRO;NAKANISHI KAZUMI;TAKAOKA NAOKAZU;MIZUNO YUKIHIRO;YOSHIZAWA KAZUNORI;MINEMORI DAISUKE;NATSUUME YOSHITAKA
分类号 E06C1/56;(IPC1-7):E06C1/56 主分类号 E06C1/56
代理机构 代理人
主权项
地址