Title:
ARM FOR CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2004211505
Kind Code:
A
Abstract:
To easily manufacture even a large cross section; to improve accuracy of a corner part; and to improve strength more than a triangular cross section while maintaining the merits such as excellence of front visibility and weight reduction.
This arm of a cylindrical structure constitutes a working machine of a construction machine, and a cross-sectional shape is formed in a substantially trapezoidal shape having an apex part of a circular arc shape.
Inventors:
AOSHIBA NORIHIRO
Application Number:
JP2003002468A
Publication Date:
July 29, 2004
Filing Date:
January 08, 2003
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
E02F3/38; E02F3/39; (IPC1-7): E02F3/38; E02F3/39
Attorney, Agent or Firm:
Tsutomu Inoue