Title:
CRAWLER TYPE WORKING MACHINE
Document Type and Number:
Japanese Patent JP2022102181
Kind Code:
A
Abstract:
To provide a crawler type working machine capable of inhibiting a temporary increase in a turning radius at least at one of time of switching from a slow turn mode into a pivotal turn mode and time of switching from the pivotal turn mode into the slow turn mode.SOLUTION: In a bulldozer 1, when switching from a slow turn mode to a pivotal turn mode, a controller 100 causes an inner steering clutch 40IN to maintain engagement for a predetermined period (t3-t1) from a switching start point t1 at which the switching is started, meanwhile, when switching from the pivotal turn mode to the slow turn mode, the controller causes an inner steering brake 50IN to maintain braking operation for a predetermined period (t13-t11) from a switching start point t11 at which the switching is started.SELECTED DRAWING: Figure 4
Inventors:
YOSHIKAWA TAKASHI
TAKESHIMA HIROAKI
AKIYAMA NAOYA
NAKADA KAZUYUKI
YATSUDA OSAMU
OTAKA SHINICHI
NAMEKI YUJI
NAGASAKA RYOICHI
KOMURA TAKAOMI
TAKESHIMA HIROAKI
AKIYAMA NAOYA
NAKADA KAZUYUKI
YATSUDA OSAMU
OTAKA SHINICHI
NAMEKI YUJI
NAGASAKA RYOICHI
KOMURA TAKAOMI
Application Number:
JP2020216762A
Publication Date:
July 07, 2022
Filing Date:
December 25, 2020
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
B62D11/08; E02F9/22
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation