Title:
FIRE ENGINE LADDER AND HOOK-AND-LADDER TRUCK
Document Type and Number:
Japanese Patent JP2017179728
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fire engine ladder and a hook-and-ladder truck, which can avoid cracking due to stress concentration and reduce weight.SOLUTION: A fire engine ladder according to this invention comprises: a pair of upper ribs 31, which are disposed in longer direction; a pair of lower ribs 32, which are disposed in longer direction; a lateral face member 33, which is disposed between the upper rib 31 and the lower rib 32; and a bottom member 34, which is disposed between the pair of lower ribs 32. The lower rib 32 is formed of a square pipe. A thick part that is thicker than other parts is formed on a specific section of the square pipe.SELECTED DRAWING: Figure 1
Inventors:
YAMAGUCHI KENICHI
Application Number:
JP2016063712A
Publication Date:
October 05, 2017
Filing Date:
March 28, 2016
Export Citation:
Assignee:
MORITA HOLDINGS CORP
International Classes:
E06C5/04; A62C27/00; E06C7/08
Attorney, Agent or Firm:
Shinichi Abe
Yoshihiro Shimizu
Yuji Tsujida
Takaaki Ota
Yoshihiro Shimizu
Yuji Tsujida
Takaaki Ota