Electric bicycle frame
US9611003B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2015 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Nov 10, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M6/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric bicycle frame includes a seat tube, a down tube, a top tube, a battery box, and a battery body. The seat tube includes an upper portion and a lower portion. The down tube includes a first end and a second end. The second end is connected to the lower portion. The top tube includes a third end, an expanding tube, and a fourth end. The fourth end is connected to the upper portion. The expanding tube is between the third end and fourth end. The expanding tube includes a tube diameter varying portion and a top opening. The tube diameter varying portion includes continuously varying cross-sections. The battery box is assembled inside the top opening of the expanding tube. The battery body is received in the battery box.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.