HYDRAULIC TRAVELLING AGRICULTURAL MACHINE

Title:

HYDRAULIC TRAVELLING AGRICULTURAL MACHINE

Document Type and Number:

WIPO Patent Application WO/1998/010972

Kind Code:

A1

Abstract:

A pump operating unit (40) is provided in an operating section for controlling the steering and speed change of travelling sections (1L, 1R) connected interlockingly to a pair of variable flow rate control pumps (PL, PR) via link mechanisms (NL, NR) for a spool, and operated by a steering mechanism (33) and a speed changing mechanism (37). Accordingly, the natural vibration occurring in the variable flow rate control pumps (PL, PR) is absorbed by the link mechanisms (NL, NR), and hence the vibration transmitted to the pump operating unit (40) is attenuated. The propagation of the vibration to the steering mechanism (33) and speed changing mechanism (37), which are interlockingly connected to the pump operating unit (40), is prevented.

Inventors:

SHIMADA TAKANOBU (JP)
FUJIKI KATSUMI (JP)
HIROSHIGE KOUICHI (JP)

Application Number:

PCT/JP1996/002649

Publication Date:

March 19, 1998

Filing Date:

September 13, 1996

Export Citation:

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Assignee:

YANMAR AGRICULT EQUIP (JP)
SEIREI IND (JP)
SHIMADA TAKANOBU (JP)
FUJIKI KATSUMI (JP)
HIROSHIGE KOUICHI (JP)

International Classes:

B62D11/18; (IPC1-7): B62D11/04; B60K17/28; F16H37/06

Foreign References:

JPH01282074A	1989-11-13
JPH041077U	1992-01-07
JPH04113934A	1992-04-15
JPS5552424U	1980-04-08
US2015886A	1935-10-01

Other References: