Patent ID: 8469058
Filing Date: 2013-06-25
Classification: E02F,F16K,G05G,Y10T

Abstract:
1. A work vehicle having a hydraulic apparatus, comprising: a single operating lever; a first valve operable by an operation of the operating lever in a first direction; a second valve operable by an operation of the operating lever in a second direction intersecting the first direction; a first valve operating link pivotally supported to a support shaft of the operating lever, the first valve operating link supplying/draining pressure oil to/from a first hydraulic unit via the first valve; a second valve operating link pivotally supported to the support shaft of the operating lever, the second valve operating link supplying/draining pressure oil to/from a second hydraulic unit via the second valve; a pair of frame plates disposed in opposition to each other across the first and second valve operating links therebetween; and a boss portion supported by the pair of frame plates and supporting the support shaft of the operating lever; wherein: the pair of frame plates include a lock pin; the first valve operating link defines a first pin hole; the second valve operating link defines a second pin hole; and when the first valve and the second valve are located at neutral positions thereof, the first and second valve operating links are fixed to lock the first and second valves by inserting the lock pin into the respective pin holes.