Tail cap assembly

Details Tail cap assembly Tail cap assembly

2007-08-21

2007-08-21

Ta, Tho D. (Department: 2833)

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

C439S824000, C439S289000, C439S500000, C362S202000

Reexamination Certificate

active

11269283

ABSTRACT:
An improved tail cap assembly having features that allow direct electrical contact between a battery and the barrel of a flashlight is provided. The tail cap assembly includes a cap and a conductive spring. The cap is adapted to engage with the flashlight barrel. The tail cap assembly includes a cap which has a seat, two ears extending from the seat and gaps between the two ears. A conductive spring that includes a base portion is disposed between the ears. At least a part of the base portion is arranged to bear against the seat. And the base portion extends outward in a radial direction through at least one of the gaps. The conductive spring may be a coil spring, and the base portion is oval or asymmetrical shaped.

REFERENCES:
patent: 4656565 (1987-04-01), Maglica
patent: 4916588 (1990-04-01), Chu
patent: 5158358 (1992-10-01), Maglica
patent: 5349506 (1994-09-01), Maglica
patent: 5560705 (1996-10-01), Shiau
patent: 5678921 (1997-10-01), Kish et al.
patent: 6474834 (2002-11-01), Lai
patent: A-10-069801 (1998-03-01), None

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