TRANSMISSION DEVICE FOR BICYCLE
    11.
    发明申请

    公开(公告)号:US20210031880A1

    公开(公告)日:2021-02-04

    申请号:US16529219

    申请日:2019-08-01

    Abstract: A transmission device for a bicycle includes a housing, a mandrel, an assembling member, a transmission assembly, a derailleur assembly and a clutch assembly. The mandrel is rotatably disposed on the housing and extends along an axial direction. The assembling member has a driving gear. The transmission assembly is rotatably disposed on the housing and engaged with the driving gear. The derailleur assembly includes a first derailleur gear and a second derailleur gear. The transmission assembly is engaged with the first derailleur gear and the second derailleur gear. The clutch assembly includes a clutch member.

Patent Agency Ranking