VALVE SYSTEM OF ENGINE AND LASH ADJUSTER USED IN THE SAME

PROBLEM TO BE SOLVED: To provide a valve system of an engine capable of setting height adjustment of a lash adjuster to a minute unit and performing minute adjustment of a tappet clearance easily. SOLUTION: A male screw 26a of an adjust bolt 26 is screw-fitted in a mounting base 25 fixed to a cylind...

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Bibliographic Details
Main Author MINAMINO KEIJI
Format Patent
LanguageEnglish
Published 19.07.2002
Edition7
Subjects
BLASTING
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINE PLANTS IN GENERAL
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a valve system of an engine capable of setting height adjustment of a lash adjuster to a minute unit and performing minute adjustment of a tappet clearance easily. SOLUTION: A male screw 26a of an adjust bolt 26 is screw-fitted in a mounting base 25 fixed to a cylinder head 11. A pivot nut 28 is screw-fitted in a male screw 26f in an upper part of the adjust bolt 26. Dimensions of one pitch of a female screw 25a and a female screw 25f are made different from each other. A first spring clip 27 holding a turn position of the adjust bolt 26 elastically every time the adjust bolt 26 is turned by 90 degrees in cooperation with a first to a fourth turn prevention faces 26b to 26e formed on the adjust bolt 26 is provided between the mounting base 25 and the adjust bolt 26. A second spring clip 29 having the same function as the clip 27 is provided between the adjust bolt 26 and the pivot nut 28.
Bibliography:Application Number: JP20010001482