Cruciform-shaft universal joint and method for producing same

[Problem] To achieve a structure for a cruciform-shaft universal joint whereby it can be easily determined, even post factum, that an excessive torque has been applied to the universal joint due to a collision accident or driving operation error. A ridge (20), the shape of which appears rectilinear...

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Bibliographische Detailangaben
Hauptverfasser:	IGARASHI MASAHARU, DING FANGQING, MIZUNO HIROKI, AN TIANYAO, CHIKARAISHI KAZUHO, HIBINO TADASHI, UMEDA MINAO, HAGIWARA NOBUYUKI, LI XIEXIU, INOUE MASAHIRO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	[Problem] To achieve a structure for a cruciform-shaft universal joint whereby it can be easily determined, even post factum, that an excessive torque has been applied to the universal joint due to a collision accident or driving operation error. A ridge (20), the shape of which appears rectilinear seen from an outside surface side of coupling arm parts (15c) constituting a yoke (12c), is formed on the outside surface of the coupling arm parts (15c). When an excessive torque is applied and the coupling arm parts (15c) deform plastically, the ridge (20) changes from being rectilinear to being non-rectilinear. This change makes it possible to easily check for whether an excessive torque has been applied to the cruciform-shaft universal joint including the yoke (12c). The dimensions of each part of the yoke (12c) are regulated so as to satisfy 3< L/D