Title:
STEERING DEVICE FOR TURNING TRACTOR
Document Type and Number:
Japanese Patent JP3632991
Kind Code:
B2
Abstract:
PURPOSE: To perform a stable and smooth steering for turning by adjusting a steering brake pressure variably on steering the turning of a tractor.
CONSTITUTION: The steering device for turning a tractor comprises installing an automatic turning hydraulic circuit 6 capable of elevating a lift arm 3, accelerating front wheels and braking rear wheel steering brakes 5 according to the front wheel steering angle of a steering handle 1, a pressure reducing valve 7 in the hydraulic circuit of an accelerating clutch 8 of a front wheel accelerating device 4, and a proportional pressure reducing valve 10 in the secondary pressure side of the pressure reducing valve 7 in the hydraulic circuit of the rear wheel steering brakes 5 so as to perform braking.
Inventors:
Junichi Oshita
Tsutomu Watanabe
Kazuhisa Tanabe
Tsutomu Watanabe
Kazuhisa Tanabe
Application Number:
JP18209894A
Publication Date:
March 30, 2005
Filing Date:
August 03, 1994
Export Citation:
Assignee:
Iseki Agricultural Machinery Co., Ltd.
International Classes:
A01B69/00; B60K17/348; B62D11/08; (IPC1-7): A01B69/00; B60K17/348; B62D11/08
Domestic Patent References:
| JP63270234A | ||||
| JP63269786A | ||||
| JP5254458A | ||||
| JP2175331A | ||||
| JP1141505A | ||||
| JP1096341U | ||||
| JP1077576U |