Electrical rechargeable battery

Details Electrical rechargeable battery Electrical rechargeable battery

2011-03-01

2011-03-01

Hodge, R. (Department: 1729)

Chemistry: electrical current producing apparatus, product, and

Having polarity safety feature

C429S065000, C429S121000

Reexamination Certificate

active

07897275

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.

REFERENCES:
patent: 2159034 (1939-05-01), Matthews
patent: 4239322 (1980-12-01), Gordon, Jr.
patent: 4693948 (1987-09-01), McEwan
patent: 5021305 (1991-06-01), Turner
patent: 5525438 (1996-06-01), Kostrivas et al.
patent: 26 45 977 (1978-04-01), None
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patent: 1 304 751 (2003-04-01), None
patent: 2 395 610 (1979-01-01), None
European Office Action dated May 13, 2005 for EP 1 304 751 (5 pages).

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