Patent · US Expired

Rechargeable battery with separate charging terminal contact ring

US4489268A · kind A · utility

30Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 5, 1983
Grant dateDec 18, 1984
Priority date
Expiry dateJan 5, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A generally cylindrical rechargeable battery is provided leaving a pair of power terminals for delivering energy to an energy-using device. The battery further includes a charging terminal contact spaced apart from the power terminals and extending substantially around the circumference of the battery whereby charging contact on the battery may engage a corresponding charging contact in the energy-using device to charge the battery in all rotational positions of the battery.

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