Patent · US Expired

Drive arrangement for electric power assisted bicycle

US6276479A · kind A · utility

89Cited by
9References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1996
Grant dateAug 21, 2001
Priority date
Expiry dateFeb 5, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62M6/90
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A drive arrangement for an electrically power assisted bicycle, wherein the electrical power assist components are comprised of an electric motor and transmission as one unit and a battery as another unit, with the electric motor and transmission being disposed on one side of and relatively low relative to a manual crank axis and the battery case is disposed on the rear side of the crank axis to improve fore and aft balance while maintaining a low center of gravity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.