Patent · US Expired

Structure of battery charger for different size and specification batteries

US5157318A · kind A · utility

22Cited by
2References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 18, 1991
Grant dateOct 20, 1992
Priority date
Expiry dateSep 18, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S320/19
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A battery charger comprising an indicator unit which has control switch and indicator lamps, and three charging slots for charging a variety of batteries of different size and specification, wherein one of the charging slots has vertical guide rails for holding the battery inserted therein and positive and negative charging pins and charging terminals, each of the other two charging slots has plate springs and wire spring for holding different size of battery in charging position and charging pins or charging strip springs for charging the battery inserted therein.

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