Title:
SERVICE CAR
Document Type and Number:
Japanese Patent JP2017030515
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a service car of which a rotation mode switching can be easily sensed by an operator.SOLUTION: A service car comprises: a pair of left and right crawler travel devices; a pair of left and right hydraulic side clutches 48 which give a speed difference to the pair of left and right crawler travel devices; a valve unit 103 which performs supply and discharge of a working fluid for the side clutches 48; and a control lever 13 which controls a changeover spool 120 of the valve unit 103 and changes a working fluid supply/discharge state of the valve unit 103. The service car further comprises a load application mechanism 124 which is so configured that plural rotation modes having different speed difference states continuously appear according to a control input of the control lever 13, and at changeover timing of the rotation mode, applies a load onto the changeover spool 120.SELECTED DRAWING: Figure 12
Inventors:
NORITA SEIJI
KISODA TAKEHARU
MORI MANABU
KATO KATSUHIDE
KISODA TAKEHARU
MORI MANABU
KATO KATSUHIDE
Application Number:
JP2015151940A
Publication Date:
February 09, 2017
Filing Date:
July 31, 2015
Export Citation:
Assignee:
KUBOTA KK
International Classes:
B62D11/08; A01D67/00
Domestic Patent References:
JPH0449575U | 1992-04-27 | |||
JP2014193670A | 2014-10-09 | |||
JP2005255073A | 2005-09-22 |
Attorney, Agent or Firm:
Patent business corporation r&c