发明名称 BICYCLE FRONT DERAILLEUR
摘要 A bicycle front derailleur is basically provided with a base member, a movable member and a biasing arrangement. The biasing arrangement is operatively disposed between the base member and the movable member such that a biasing force of the biasing arrangement is smaller during an early range of a movement range of the movable member as the movable member moves from a first position to a second position. The biasing arrangement includes a first biasing member, a second biasing member and a pre-load body. The first and second biasing members selectively bias the movable member. The pre-load body maintains the second biasing member in a loaded state such that the second biasing member applies the second biasing force only after the movable member has partially moved from the first position towards the second position.
申请公布号 US2013072333(A1) 申请公布日期 2013.03.21
申请号 US201113238345 申请日期 2011.09.21
申请人 KUWAYAMA KAZUYA;INOUE KENKICHI;EMURA ATSUHIRO;SHIMANO INC. 发明人 KUWAYAMA KAZUYA;INOUE KENKICHI;EMURA ATSUHIRO
分类号 B62M9/12 主分类号 B62M9/12
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