BOLT/NUT HAVING KNOB

PROBLEM TO BE SOLVED: To adopt ordinary bolts/nuts conforming to JIS standard by eliminating cutouts, preventing internal distortion from being generated, and easily increasing strength in mold formation. SOLUTION: In a knob body 10, a boss 13 for forming an external thread 12 is provided at the cen...

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Bibliographic Details
Main Author NAKAMURA JUICHI
Format Patent
LanguageEnglish
Published 22.04.2004
Edition7
Subjects
BLASTING
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To adopt ordinary bolts/nuts conforming to JIS standard by eliminating cutouts, preventing internal distortion from being generated, and easily increasing strength in mold formation. SOLUTION: In a knob body 10, a boss 13 for forming an external thread 12 is provided at the center of a knob 11, and a hexagonal recessed hole 14 for accommodating the bolt head 13 is formed at the center of the boss 13. In a cap 20, a collar section 22 having a through hole 21, where a screw section 32 in a bolt 30 penetrates when the bolt head 31 is accommodated in the recessed hole 14, is formed, and an internal thread 24 is formed at the inner periphery of an annular section 23 being extended in parallel with the shaft from the periphery of the collar section 22. In assembly, the bolt head 31 is inserted into the recessed hole 14 in the knob body 10, the bolt 30 and the screw section 32 penetrate the through hole 21 in the cap 20, the cap 20 is screwed into the boss 13, and the bolt 30 is mounted to the boss 13 in the knob body 10 for fixing. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20020292760