BELT-TYPE CONTINUOUSLY VARIABLE TRANSMISSION

BELT-TYPE CONTINUOUSLY VARIABLE TRANSMISSION

A belt-type continuously variable transmission is provided in which a ball joint (13) has a joint housing (25) that is provided in a threaded shaft (19) and a ball stud (26) that extends from an arm (12) and is swingably supported on the joint housing (25), the ball stud (26) is provided with a ball...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FUJIKAWA, Kazutoshi, YOSHIDA, Yoshihiro, OKAMOTO, Teruhisa
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:A belt-type continuously variable transmission is provided in which a ball joint (13) has a joint housing (25) that is provided in a threaded shaft (19) and a ball stud (26) that extends from an arm (12) and is swingably supported on the joint housing (25), the ball stud (26) is provided with a ball shaft portion (26a) that has a spherical outer peripheral face and a cylindrical shaft portion (26b) that is coaxial with the ball shaft portion (26a), has a smaller diameter than the ball shaft portion (26a), and has a cylindrical outer peripheral face, and the joint housing (25) is provided with a ball support face (25a) into which the ball shaft portion (26a) is fitted and a stopper face (25b) that abuts against an outer peripheral face (26b') of the cylindrical shaft portion (26b) and restricts a rotational angle around an axis (X1) of the threaded shaft (19) to a fixed angle ±. Thus it is possible to provide a belt-type continuously variable transmission that can appropriately convert the rotational power of a motor into the thrust of a threaded shaft to thus drive a pulley, has a reduced number of components, and has a simple structure.