Title:
AUTOMATIC TRANSMISSION DEVICE FOR WHEEL LOADER, AND WHEEL LOADER
Document Type and Number:
WIPO Patent Application WO/2006/129748
Kind Code:
A1
Abstract:
An automatic transmission device for a wheel loader has a shift mechanism, a work detection device for detecting excavation work of the wheel loader, and a shift control device for performing control to shift down a speed stage of the shift mechanism, the control being performed when the work detection device detects the excavation work of the wheel loader.
Inventors:
TANAKA TETSUJI (JP)
HIGAKI MASAMI (JP)
OUCHI HIROFUMI (JP)
SAKAI EIICHI (JP)
HIGAKI MASAMI (JP)
OUCHI HIROFUMI (JP)
SAKAI EIICHI (JP)
Application Number:
PCT/JP2006/310978
Publication Date:
December 07, 2006
Filing Date:
June 01, 2006
Export Citation:
Assignee:
TCM CORP (JP)
HITACHI CONSTRUCTION MACHINERY (JP)
TANAKA TETSUJI (JP)
HIGAKI MASAMI (JP)
OUCHI HIROFUMI (JP)
SAKAI EIICHI (JP)
HITACHI CONSTRUCTION MACHINERY (JP)
TANAKA TETSUJI (JP)
HIGAKI MASAMI (JP)
OUCHI HIROFUMI (JP)
SAKAI EIICHI (JP)
International Classes:
F16H61/00; E02F3/34; E02F9/22; F16H61/02; F16H59/18; F16H59/44; F16H59/46; F16H59/50; F16H61/68
Foreign References:
| JPH02199356A | 1990-08-07 | |||
| JPS4821368B1 | 1973-06-28 | |||
| JPH1089467A | 1998-04-07 | |||
| JPH02147732A | 1990-06-06 | |||
| JPS63265730A | 1988-11-02 | |||
| JP2005164123A | 2005-06-23 |
Other References:
See also references of EP 1887256A4
Attorney, Agent or Firm:
Nagai, Fuyuki (2-1-1 Uchisaiwai-ch, Chiyoda-ku Tokyo, JP)
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