发明名称 BICYCLE DRIVE UNIT
摘要 A bicycle drive unit includes a housing, a motor, a crank axle, and at least one fin member. The motor is disposed within the housing. The crank axle is rotatably supported relative to the housing about a first rotational axis. The fin member is rotatably arranged relative to the housing. The fin member is operatively coupled to the crank axle to rotate and to generate an air flow within the housing in response to rotation of the crank axle.
申请公布号 US2015276042(A1) 申请公布日期 2015.10.01
申请号 US201414228201 申请日期 2014.03.27
申请人 Shimano Inc. 发明人 NISHIKAWA Yusuke
分类号 F16H57/04;B62M1/36;B62M6/55 主分类号 F16H57/04
代理机构 代理人
主权项 1. A bicycle drive unit comprising: a housing; a motor disposed within the housing; a crank axle rotatably supported relative to the housing about a first rotational axis, axially opposite end portions of the crank axle protruding out from opposite sides of the housing, each of the end portions of the crank axle being configured to detachably and non-rotatably support a crank arm; and at least one fin member rotatably arranged relative to the housing, the fin member operatively coupled to the crank axle to rotate and to generate an air flow within the housing in response to rotation of the crank axle.
地址 Osaka JP