To provide a lock operation device for a caster in which, an appearance is not deteriorated when the lock operation device is attached to a bed or a bogie, and turning of the caster C is not interrupted.SOLUTION: An operation bar 2 is caused to penetrate in an upper part of a base plate 6, a return spring 7a is interposed on the operation bar 2 for fastening a cam 8, a return spring 7b is interposed on one end of the cam 8a for rotatably attaching a ratchet 9, the other end of the cam 8 has a lock part 8c, then, to a lower part of the base plate 6, a switching gear 10 formed by arranging an engagement tooth 10a with a tip claw 9b of the ratchet 9 and a pressed part 10b with an uneven part 11a of a lock/unlock lever 11, is attached rotatably, in the vicinity of the switching gear 10m a return spring 7c is interposed for attaching the lock/unlock lever 11 in a manner of capable of swinging freely, and a lock part 11d with the lock part 8c of the cam 8 is provided on one end of the lock/unlock lever 11, an uneven tooth 11a with the pressed part 10b of the switching gear 10 is provided on the other end of the lock/unlock lever.SELECTED DRAWING: Figure 2

    【課題】ベッドや台車などに取り付ける場合に体裁が悪くなることがなく、キャスターCの旋回の邪魔になることがないキャスターのロック操作装置を提供する。【解決手段】ベースプレート6の上部に操作バー2を貫通させ、操作バー2に戻りバネ7aを介在させてカム8を固着し、カム8の一端に戻りバネ7bを介在させてラチェット9を回動自在に取り付け、カム8の他端にロック部8cを設け、ベースプレート6の下部に、ラチェット9の先端爪9bとの噛合歯10aと、ロックアンロックレバー11の凹凸部11aとの押当部10bとを併設してなる切替ギヤ10を回転自在として取り付け、切替ギヤ10の近辺に、戻りバネ7cを介在させてロックアンロックレバー11を揺動自在として取り付け、ロックアンロックレバー11一端にカム8のロック部8cとのロック部11dを突設し、他端に切替ギヤ10の押当部10bとの凹凸歯11aを設けた。【選択図】図2


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    Title :

    LOCK OPERATION DEVICE FOR CASTER


    Additional title:

    キャスターのロック操作装置


    Contributors:

    Publication date :

    2019-10-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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