Protection structure for outer shell of a hub
US8096623B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 6, 2008 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Jul 1, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M9/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A protection structure for outer shell of a hub comprises: a hub and an outer shell mounted at one end of the hub, the outer shell is provided at one end close to the hub with an enlarged flange, on an outer peripheral surface of the outer shell are annularly and spaced-apart formed a plurality of splines and at least one positioning rib, at least at one side of each splines is disposed with a protecting member whose material is different from that of the outer shell. By such arrangements, the protecting member can be assembled with a sprocket to prevent the sprocket from touching the splines. Thus, damages of the outer shell of the hub are prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.