Patent · US Expired

Button cell battery pack with air access channel

US6938775B2 · kind B2 · utility

3Cited by
15References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 2003
Grant dateSep 6, 2005
Priority date
Expiry dateSep 12, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D2585/88
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A battery pack suitable for use with button cell batteries. The battery pack includes a flexible card and a cover rotatably fixed relative to said flexible card. A backing is interposed between the card and said cover, and fixed relative to said card. The backing and cover define an enclosed space interposed between the cover and the backing for receiving batteries. Batteries disposed in the space are enclosed by the cover and backing. An air access channel formed in the backing diffuses air to the batteries.

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