PROBLEM TO BE SOLVED: To provide a toothed wheel assembly for a bicycle sprocket assembly, which toothed wheel assembly can stably engage a chain.SOLUTION: A toothed wheel assembly comprises: at least one set of a first toothed wheel 12 and a second toothed wheel 13; and a plurality of connection bodies 30 which mechanically connect the first and second toothed wheels while separating them axially. The first toothed wheel 12 and the second toothed wheel 13 have a plurality of teeth 14 separated from one another by troughs 15. The second toothed wheel 13 has a greater number of teeth than the number of teeth of the first toothed wheel 12. Each of the connection bodies 30 has a first connection portion 31 that is connected to the second toothed wheel 13 and extends radially from the second toothed wheel 13 toward the first toothed wheel 12 and a second connection portion 32 connected to the first toothed wheel 12 and extends axially from the first toothed wheel 12. The second connection portion 32 of each connection body 30 has a circumferential bulk the radial projection of which is completely contained in the trough of the first toothed wheel.SELECTED DRAWING: Figure 6
【課題】チェーンに安定的に係合し得る、自転車のスプロケットアセンブリ用の歯車組立体を提供する。【解決手段】少なくとも1組の第1の歯車12および第2の歯車13と、両者を機械的に接続しつつ、軸方向で離間させる複数の接続体30とを含み、前記第1の歯車12および第2の歯車13は、谷部15によって隔てられた複数の歯14を有し、前記第2の歯車13は、前記第1の歯車12よりも歯数が多く、前記接続体30はそれぞれ、前記第2の歯車13に接続され、該第2の歯車13から前記第1の歯車12に向けて半径方向に延びる第1の接続部31と、前記第1の歯車12に接続されて該第1の歯車12から軸方向に延びる第2の接続部32とを含み、各接続体30の前記第2の接続部32の周方向のさしわたしを半径方向に投影したものが、前記第1の歯車の谷部内に完全に収まっている、歯車組立体【選択図】図6
TOOTHED WHEEL ASSEMBLY FOR SPROCKET ASSEMBLY
スプロケットアセンブリ用の歯車組立体
30.08.2018
Patent
Elektronische Ressource
Japanisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |