Bracket apparatus
A bracket apparatus for mounting a derailleur to a frame of a human-powered vehicle comprises a bracket body. The bracket body includes a frame attachment portion configured to be attached to the frame of the human-powered vehicle, a derailleur attachment portion to which the derailleur is to be attached, and a cable groove in which a cable is to be at least partly provided.
1. A bracket apparatus for mounting an electric derailleur to a frame of a human-powered vehicle, the bracket apparatus comprising:
a bracket body including
a frame attachment portion configured to be attached to the frame of the human-powered vehicle,
a derailleur attachment portion to which the electric derailleur is to be attached, and
an additional attachment portion including an attachment opening for attachment of a component or a chain stabilizer, the attachment opening being a through hole extending through the bracket body.
2. The bracket apparatus according to claim 1 , wherein
the frame attachment portion has a frame attachment opening having a frame attachment center axis, and
the bracket body further includes a cable groove at least partly extends circumferentially with respect to the frame attachment portion with respect to the frame attachment center axis.
3. The bracket apparatus according to claim 2 , wherein
the frame attachment opening is configured to be coaxial with a hub axle of a hub assembly in a bracket mounting state where the bracket apparatus is mounted to the frame of the human-powered vehicle, and
the cable groove at least partly extends circumferentially with respect to the frame attachment center axis.
4. The bracket apparatus according to claim 2 , wherein
the bracket body includes an outer peripheral surface provided radially outwardly of the frame attachment portion with respect to the frame attachment center axis, and
the cable groove is provided on the outer peripheral surface.
5. The bracket apparatus according to claim 2 , wherein
the additional attachment portion is a component attachment portion to which a component is to be attached.
6. The bracket apparatus according to claim 1 , further comprising
a bracket fastener configured to fasten the frame attachment portion to the frame of the human-powered vehicle.
7. The bracket apparatus according to claim 6 , wherein
the frame attachment portion includes a fastening threaded hole configured to be threadedly engaged with the bracket fastener, and
the bracket fastener includes a receiving threaded hole configured to be threadedly engaged with a fastening rod of a hub fastening device configured to fasten a hub assembly to the frame of the human-powered vehicle.
8. The bracket apparatus according to claim 6 , wherein
the frame attachment portion includes a fastening threaded hole configured to be threadedly engaged with the bracket fastener.
9. The bracket apparatus according to claim 6 , wherein
the bracket fastener includes a fastening threaded hole configured to be threadedly engaged with the frame attachment portion,
the bracket fastener is configured to be at least partly provided outside a through-hole of the frame in a bracket mounting state where the bracket apparatus is mounted to the frame of the human-powered vehicle, and
the frame attachment portion extends through the through-hole of the frame.
10. The bracket apparatus according to claim 9 , wherein
the frame attachment portion includes a receiving threaded hole configured to be threadedly engaged with a fastening rod of a hub fastening device configured to fasten a hub assembly to the frame of the human-powered vehicle.
11. The bracket apparatus according to claim 1 , wherein
the frame attachment portion is integrally provided with the derailleur attachment portion as a one-piece unitary member.
12. The bracket apparatus according to claim 1 , wherein
the bracket body further includes a cable groove in which a cable is to be at least partly provided, the cable electrically connects the electric derailleur to a power generator, an electric power source, or an electric device.
13. The bracket apparatus according to claim 1 , wherein
the through hole of the attachment opening has a round cross-sectional shape.
14. The bracket apparatus according to claim 1 , wherein
the attachment opening is configured for attachment of the component, and
the component includes an electric device.
15. A bracket apparatus for mounting a derailleur to a frame of a human-powered vehicle, the bracket apparatus comprising:
a bracket body including
a frame attachment portion configured to be attached to the frame of the human-powered vehicle,
a derailleur attachment portion to which the derailleur is to be attached, and
a cable groove in which a cable is to be at least partly provided, wherein
the frame attachment portion has a frame attachment opening having a frame attachment center axis,
the cable groove includes a first cable groove, and
the first cable groove extends radially outwardly from the frame attachment portion with respect to the frame attachment center axis.
16. The bracket apparatus according to claim 15 , wherein
the frame attachment opening is configured to be coaxial with a hub axle of a hub assembly in a bracket mounting state where the bracket apparatus is mounted to the frame of the human-powered vehicle, and
the first cable groove extends radially outwardly from the frame attachment opening with respect to the frame attachment center axis.
17. The bracket apparatus according to claim 15 , wherein
the bracket body includes an end surface spaced apart from the frame attachment opening, and
the first cable groove extends radially outwardly from the frame attachment opening to the end surface with respect to the frame attachment center axis.
18. The bracket apparatus according to claim 15 , wherein
the first cable groove has a first longitudinal axis and extends along the first longitudinal axis, and
the first longitudinal axis is non-parallel to the frame attachment center axis.
19. The bracket apparatus according to claim 18 , wherein
the first longitudinal axis intersects with the frame attachment center axis.
20. The bracket apparatus according to claim 18 , wherein
the bracket body includes an axial surface configured to face in an axial direction with respect to the frame attachment center axis, and
the first cable groove is provided on the axial surface.
21. The bracket apparatus according to claim 18 , wherein
the derailleur attachment portion has a derailleur attachment opening configured to be coaxial with a derailleur fastener in a derailleur mounting state where the derailleur is mounted to the bracket apparatus,
the derailleur attachment opening has a derailleur attachment center axis, and
the first longitudinal axis is offset from the derailleur attachment center axis.
22. A bracket apparatus for mounting a derailleur to a frame of a human-powered vehicle, the bracket apparatus comprising:
a bracket body including
a frame attachment portion configured to be attached to the frame of the human-powered vehicle, and
a derailleur attachment portion to which the derailleur is to be attached; and
a bracket fastener configured to fasten the frame attachment portion to the frame of the human-powered vehicle, wherein
the frame attachment portion includes a fastening threaded hole configured to be threadedly engaged with the bracket fastener, and
the frame attachment portion includes a receiving threaded hole configured to be threadedly engaged with a fastening rod of a hub fastening device configured to fasten a hub assembly to the frame of the human-powered vehicle.
23. A bracket apparatus for mounting a derailleur to a frame of a human-powered vehicle, the bracket apparatus comprising:
a bracket body including
a frame attachment portion configured to be attached to the frame of the human-powered vehicle, and
a derailleur attachment portion to which the derailleur is to be attached; and
a bracket fastener configured to fasten the frame attachment portion to the frame of the human-powered vehicle, wherein
the bracket fastener includes a fastening threaded hole configured to be threadedly engaged with the frame attachment portion.