Title:
LOWER TRAVELING BODY FOR CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/009932
Kind Code:
A1
Abstract:
A left vehicle width expansion device (15) causes a left side frame (6) to move left and right in relation to a center frame (5) by extending and contracting a rod (16B) of a hydraulic cylinder (16), and similarly, a right vehicle width expansion device moves a right side frame left and right to expand and contract the vehicle width of a lower traveling body (4). The hydraulic cylinders (16) of the left and right vehicle width expansion devices (15) are positioned between drive wheels (9) and idler wheels (10) and are attached to the side frames (6).
Inventors:
TAKAHASHI KAORI (JP)
TADA SHIGEYA (JP)
ITOU KEI (JP)
HIRATA KAZUYA (JP)
HIKOYAMA KAZUHIRO (JP)
TADA SHIGEYA (JP)
ITOU KEI (JP)
HIRATA KAZUYA (JP)
HIKOYAMA KAZUHIRO (JP)
Application Number:
PCT/JP2023/024568
Publication Date:
January 11, 2024
Filing Date:
July 03, 2023
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
B62D55/10
Foreign References:
| JP2004243852A | 2004-09-02 | |||
| JPH09100552A | 1997-04-15 |
Attorney, Agent or Firm:
HIROWA PATENT FIRM (JP)
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