WORK MACHINE, SEAL STRUCTURE FOR SHAFT, AND WORK MACHINE COMPRISING SAID SEAL STRUCTURE

Title:

WORK MACHINE, SEAL STRUCTURE FOR SHAFT, AND WORK MACHINE COMPRISING SAID SEAL STRUCTURE

Document Type and Number:

WIPO Patent Application WO/2021/095812

Kind Code:

A1

Abstract:

A work machine (1) comprising: a machine body (2); a travel device (17) that supports the machine body such that travel is possible; a hydraulic drive device (353) that drives the travel device by means of hydraulic pressure; a pedal (111) for performing a travel device braking operation; an inching valve (338) that changes the flow rate of a hydraulic fluid supplied to the hydraulic drive device in accordance with the operation of the pedal; and an adjustment device (511) that adjusts the stroke of the operation of the pedal, wherein the adjustment device has an oscillation member (501) that oscillates in conjunction with the operation of the pedal and is in a first position when the pedal is at the initial position of the stroke, a movement member (504) that is in contact with the oscillation member, is capable of movement, and changes the first position by means of said movement, and a switching mechanism (512) that can switch between a first state, in which the movement of the movement member is permitted, and a second state, in which the movement of the movement member is prevented.

Inventors:

TAKANO YUKI (JP)
INADA KAI (JP)

Application Number:

PCT/JP2020/042290

Publication Date:

May 20, 2021

Filing Date:

November 12, 2020

Export Citation:

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Assignee:

KUBOTA KK (JP)

International Classes:

E02F9/00; B60T7/00; E02F9/20; F16J15/16; G05G1/40

Foreign References:

JP2007055281A	2007-03-08
JP2011116370A	2011-06-16
JP2003252185A	2003-09-10
JP2012224213A	2012-11-15
JP2002206691A	2002-07-26

Other References: