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Patent Searching and Data


Title:
CONSTRUCTION MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/019904
Kind Code:
A1
Abstract:
The present invention comprises: a hydraulic pump (4); an actuator; cutoff levers (135L, 135R) that disable the actuator; a speed adjustment lever (31) for an engine governor; a return spring (32) that urges the speed adjustment lever (31) to a low-speed rotation side (L); a control cable (5) that can pull the speed adjustment lever (31) to a high-speed rotation side (H); an accelerator lever (136) that can be operated so as to actuate the control cable (5) in a pulling direction (T) and a release direction (R); and a relay device (6) provided partway on the control cable (5), the relay device (6) having a pulling force release mechanism that turns the cutoff levers (135L, 135R) when the accelerator lever (136) is operated in the pulling direction (T), and releases the pulling force of the control cable (5) on the speed adjustment lever (31) in coordination with the state in which the actuator is disabled.

Inventors:
ISHII HISAYUKI (JP)
IKEMATSU TAKASHI (JP)
HATANAKA MITSUYUKI (JP)
MATSUDA KOICHIRO (JP)
OGAWA TSUKASA (JP)
Application Number:
PCT/JP2020/021906
Publication Date:
February 04, 2021
Filing Date:
June 03, 2020
Export Citation:
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Assignee:
YANMAR POWER TECHNOLOGY CO LTD (JP)
NIPPON FLEX CONTROLS CORP (JP)
International Classes:
B60K26/04; E02F9/00; G05G1/01; G05G11/00
Domestic Patent References:
WO2014092355A12014-06-19
Foreign References:
JPH0270056U1990-05-28
JPH0867168A1996-03-12
JP2006242110A2006-09-14
JPH11311134A1999-11-09
JPS61192542U1986-11-29
JPS6136148U1986-03-06
Attorney, Agent or Firm:
MAEI Hiroyuki (JP)
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