A rotary type extension/retraction device includes a body member, a movement member, a spring member, a protrusion and a cam groove. The cam groove has a first fitting groove configured to hold the movement member in a state protruding from a cylindrical part of the body member, a second fitting groove configured to hold the movement member in a state pulled in the cylindrical part, a first guide groove configured to guide the protrusion from the first fitting groove to the second fitting groove, and a second guide groove configured to guide the protrusion from the second fitting groove to the first fitting groove. The first fitting groove, the first guide groove, the second fitting groove and the second guide groove are arranged circumferentially along an inner periphery of the cylindrical part in this order.


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    Titel :

    ROTARY TYPE EXTENSION/RETRACTION DEVICE


    Beteiligte:
    KATO TSUTOMU (Autor:in) / NILKURA NOBORU (Autor:in)

    Erscheinungsdatum :

    20.06.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / E05B LOCKS , Schlösser / E05C Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster , BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS



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