HYDRAULIC CONTROL DEVICE FOR CONSTRUCTION MACHINE

PROBLEM TO BE SOLVED: To locate a spool actuating means for a spare valve near a valve box when the spare valve is to be installed in a valve box equipped cllectively with valves to control the supply of pressure oil to hydraulic actuators. SOLUTION: A mounting bracket is installed on a valve base 6...

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1. Verfasser: OSHIMA AKIO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To locate a spool actuating means for a spare valve near a valve box when the spare valve is to be installed in a valve box equipped cllectively with valves to control the supply of pressure oil to hydraulic actuators. SOLUTION: A mounting bracket is installed on a valve base 6 where a valve box 5 is provided. An aux. spool actuating means 15 to be mounted on the bracket is installed in the space S between a link boss 12b to be attached to the valve base 6 and a piping 13a to be connected to the oversurface of the valve box 5 in such a way as confronting in proximity to a space valve spool 10a so that the two parts are coupled together by a short aux. link 16 g.