JPS6444388A - Caterpillar tractor - Google Patents

Caterpillar tractor

Info

Publication number
JPS6444388A
JPS6444388A JP20070887A JP20070887A JPS6444388A JP S6444388 A JPS6444388 A JP S6444388A JP 20070887 A JP20070887 A JP 20070887A JP 20070887 A JP20070887 A JP 20070887A JP S6444388 A JPS6444388 A JP S6444388A
Authority
JP
Japan
Prior art keywords
wheel
cylinder
pressing
turning
roughness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20070887A
Other languages
Japanese (ja)
Inventor
Teruo Minami
Masayoshi Nakada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP20070887A priority Critical patent/JPS6444388A/en
Publication of JPS6444388A publication Critical patent/JPS6444388A/en
Pending legal-status Critical Current

Links

Landscapes

  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)

Abstract

PURPOSE:To absorb the external force caused by the roughness of a road surface by vertically movable supporting a wheel pressing a crawler center section in its turning and also energizing it downward with energizing means. CONSTITUTION:The piston rod 4 of a cylinder 3 is connected to a rotatable wheel 6 through a link 5, which is swingable around a fulcrum 5a in E and F directions, and the wheel 6 is vertically moved along with the swing of the link 5. The cylinder 3 is provided with a spring 22, by which the rod 4 is energized, the wheel 6 is energized in the pressing direction. In its turning hydraulic oil is supplied in the cylinder 3 to press the piston rod 4 for pressing the wheel 6 in the direction of A, and as a result a crawler center section is pressed, which facilitates its turning. When external force, is applied the wheel 6 is vertically swung maintaining an earthing state constant by means of the spring 22, which absorbs the roughness of the road surface for making steering stability excellent.
JP20070887A 1987-08-10 1987-08-10 Caterpillar tractor Pending JPS6444388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20070887A JPS6444388A (en) 1987-08-10 1987-08-10 Caterpillar tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20070887A JPS6444388A (en) 1987-08-10 1987-08-10 Caterpillar tractor

Publications (1)

Publication Number Publication Date
JPS6444388A true JPS6444388A (en) 1989-02-16

Family

ID=16428901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20070887A Pending JPS6444388A (en) 1987-08-10 1987-08-10 Caterpillar tractor

Country Status (1)

Country Link
JP (1) JPS6444388A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066072A (en) * 1989-08-23 1991-11-19 Jidosha Kiki Co., Ltd. Hydraulic brake pressure control valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841003B1 (en) * 1970-09-18 1973-12-04
JPS6131976B2 (en) * 1974-07-04 1986-07-24 Sorensen Eyunaaru

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841003B1 (en) * 1970-09-18 1973-12-04
JPS6131976B2 (en) * 1974-07-04 1986-07-24 Sorensen Eyunaaru

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066072A (en) * 1989-08-23 1991-11-19 Jidosha Kiki Co., Ltd. Hydraulic brake pressure control valve

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