Cylindrical elastic coupling device for axle arms

Provided is a cylindrical elastic coupling device for axle arms, the cylindrical elastic coupling device having a novel structure such that excellent elastic coupling performance can be achieved by setting each radial spring ratio with a high degree of flexibility even if a radial stopper is provide...

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Bibliographische Detailangaben
Hauptverfasser: ITO YUSUKE, FUKUMOTO HIDEKI, FUJII HIROYUKI, OTSUBO SHIGEHIRO, MITSUZE YOSHINORI, SHIRASAKI JUN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:Provided is a cylindrical elastic coupling device for axle arms, the cylindrical elastic coupling device having a novel structure such that excellent elastic coupling performance can be achieved by setting each radial spring ratio with a high degree of flexibility even if a radial stopper is provided. A cylindrical elastic coupling device 10 for axle arms, which is installed in a cylindrical housing portion 62 provided at one end of an axle arm 60 and elastically couples a truck frame 50 and the axle arm 60, wherein a pocket portion 40 opening into the outer peripheral surface of a main-body rubber elastic body 16 is opened to the outside through a window portion 30 formed through one outer divided body 14a. A stopper 26 supported by an inner shaft member 12 is disposed in the pocket portion 40. A displacement restricting mechanism is configured such that the amount of the relative displacement between the inner shaft member 12 and the outer divided bodies 14a, 14b is restricted by the abutment between the st