To provide a lock device for a bicycle that can perform locking and unlocking operations smoothly if the locking and unlocking operations are repeated for a long period of time, and avoids the situation where a latch does not return into a lock case in the time of unlocking.SOLUTION: The lock device for a bicycle is provided for a bicycle wheel. The inside of the lock device is provided with an arc-shaped latch 11 and an arc-shaped storage space 12 that can store the latch 11, and the lock device has an open part 13. The lock device includes a lock case in which openings 12a in the storage space 12 are disposed so as to face each other through the open part 13, and a tension spring 19, one end of which is attached to a rear end 11a of the latch 11, and that biases the latch 11 in a direction where the latch 11 is stored in the storage space 12. A low friction member 30 that has a coefficient of friction lower than iron is provided at a contact part between the lock case and the latch 11.SELECTED DRAWING: Figure 9

    【課題】長期間にわたって施錠動作と開錠動作を繰り返しても、滑らかに施錠動作と開錠動作を行うことができて、開錠時に閂が錠ケース内に戻らなくなることのない自転車用錠装置を提供する。【解決手段】自転車の車輪に対して設けられる自転車用錠装置であって、円弧形状の閂11と、閂11を収納可能な円弧形状の収納空間12が内部に設けられているとともに、開放部13を有し、収納空間12の開口部12a同士が開放部13を通して対向するように配置されている錠ケースと、閂11の後端部11aに一端部が取り付けられて閂11を収納空間12に収納させる方向に付勢する引張ばね19と、を備え、錠ケースと閂11との接触部分に、摩擦係数が鉄よりも低い低摩擦部材30が設けられている。【選択図】図9


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    Titel :

    LOCK DEVICE FOR BICYCLE


    Weitere Titelangaben:

    自転車用錠装置


    Beteiligte:

    Erscheinungsdatum :

    2019-02-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    E05B LOCKS , Schlösser / B62H CYCLE STANDS , Fahrrad- oder Motorradständer



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