Electric wheeled apparatus powered by battery packs
US8490732B2 · kind B2 · utility
46Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2011 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Jul 6, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M6/90
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric wheeled apparatus comprises a main body, a drive wheel supported by the main body in a rotatable manner, an electric motor configured to apply torque to the drive wheel, a battery holder configured to removably receive a plurality of battery packs, and a circuit unit configured to electrically connect one or more battery packs attached to the battery holder to the motor regardless of a number of battery packs attached to the battery holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.