Electrical rechargeable battery
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United States of America Patent
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-
Mar 1, 2011
Grant Date -
Apr 24, 2003
app pub date -
Oct 17, 2002
filing date -
Oct 19, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrical rechargeable battery having positive and negative electrodes arranged in a housing with separators between them, and having an electrolyte, at least one end pole is surrounded by a contact protection device in the form of a wall which surrounds the end pole, can rotate freely and is composed of insulating material. Electrical contact can be made only from above through a slot in the contact protection device, which surrounds the end pole. The end pole is protected against direct contact from above by means of an electrically insulating pole cap, which is screwed to the end pole.
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