Title:
HYDRAULIC LIFT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2006/022031
Kind Code:
A1
Abstract:
A hydraulic lift structure for enhancing hydraulic oil supply/discharge efficiency while preventing failure of a hydraulic cylinder or the like. In a hydraulic lift structure (100) wherein a hydraulic cylinder case (51) internally provided with a hydraulic cylinder (50) for lifting up and down a working machine (rotary cultivator (4)) is arranged above a transmission case (42) of a working vehicle (1), a hydraulic oil sump (62) for the hydraulic cylinder (50) is arranged at the boundary between the transmission case (42) and the hydraulic cylinder case (51) apart from the interior of the transmission case (42).
Inventors:
YAMASHITA MASAAKI
Application Number:
PCT/JP2004/013342
Publication Date:
March 02, 2006
Filing Date:
September 14, 2004
Export Citation:
Assignee:
YANMAR CO LTD (JP)
YAMASHITA MASAAKI
YAMASHITA MASAAKI
International Classes:
A01B63/10; F15B1/26; F16H57/02; F16H57/023; (IPC1-7): A01B63/10; E02F3/36
Foreign References:
| JPS6086670U | 1985-06-14 | |||
| JPS5348808A | 1978-05-02 |
Other References:
See also references of EP 1795061A4
Attorney, Agent or Firm:
Yano, Juichiro (1-61 Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 34, JP)
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