Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Plural cells
Patent
1991-02-04
1992-12-08
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Plural cells
429 7, 429 9, H01T 234
Patent
active
051697327
ABSTRACT:
A sealed battery is provided with a cathode, first and second anodes which are isolated by insulation, first and second current collectors which are separated by the insulation, and an integral switch. The cathode is coupled to a positive terminal of the battery, while the first current collector is coupled to the first anode and to the negative terminal. The second current collector is also coupled to the second terminal via the switch which is easily activated by hand manipulation or by use of a common object such as a ball point pen point. The cathode, first anode, and first current collector provide a large cell. When the large cell is exhausted, as indicated by the failure of the equipment which it is powering to function properly, the reserve cell comprised of the cathode, second anode, and second current collector is readily activated by manipulating the switch. The reserve cell may be smaller than the large cell but provides enough power to properly power the equipment until the batteries can be replaced.
REFERENCES:
patent: 2212054 (1940-08-01), Spicer
patent: 3029301 (1962-04-01), Strider
patent: 3475221 (1969-10-01), Jordan et al.
Beldock Donald T.
Craig Paul P.
McLarnon Frank R.
Beldock Donald T.
Gordon David P.
Kalafut Stephen
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