BOLT FASTENING MEMBER

PROBLEM TO BE SOLVED: To reduce bending deflection of a bolt in order to solve the following problems: when bending deflection occurs in the bolt due to bending vibration in a bolt fastening member of a machine or a construction structure, repetitive bending stress amplitude occurs in the bolt to re...

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Bibliographische Detailangaben
1. Verfasser:	MORITA TOSHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce bending deflection of a bolt in order to solve the following problems: when bending deflection occurs in the bolt due to bending vibration in a bolt fastening member of a machine or a construction structure, repetitive bending stress amplitude occurs in the bolt to reduce fatigue strength, and especially when a vibration close to natural frequency of the bolt is applied and the bolt resonates, the bending deflection increases and the repetitive bending stress amplitude also increases.SOLUTION: In the bolt fastening member, an opening between a bolt hole and a bolt is filled with a dilatancy fluid. The dilatancy fluid prevents the bolt from being rapidly deflected by the bending vibration, thereby reducing the repetitive bending stress amplitude of the bolt as a result.