Battery capacity indicator for primary battery
First Claim
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1. A battery exhaustion indicator for use with a primary battery having at least one electrode which is depleted with use, comprising;
- a fluid tight case, a scale carried by the case, at least one sensing arm, resiliently urged against a major face of the battery electrode which is depleted with use;
said sensing arm comprises a means for contacting a large average space on the said electrode;
a rotatable shaft secured to the sensing arm, a resilient means coupled to the rotatable shaft for urging the sensing arm against the electrode major face and an elongated pointer coupled to said arm and having a free movable end adjacent to the scale for indicating the thickness of the depleted electrode.
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Abstract
The remaining useful life of a battery is indicated by a mechanical resilient means for displaying the thickness of the battery electrode. A mechanical indicator shows the electrode thickness at a convenient and visible top area of the battery container. The indicator may be coupled to any primary electrode which changes its thickness during battery discharge. This type of indicator may be used with batteries having opaque containers and nontransparent electrolytes.
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Citations
5 Claims
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1. A battery exhaustion indicator for use with a primary battery having at least one electrode which is depleted with use, comprising;
- a fluid tight case, a scale carried by the case, at least one sensing arm, resiliently urged against a major face of the battery electrode which is depleted with use;
said sensing arm comprises a means for contacting a large average space on the said electrode;
a rotatable shaft secured to the sensing arm, a resilient means coupled to the rotatable shaft for urging the sensing arm against the electrode major face and an elongated pointer coupled to said arm and having a free movable end adjacent to the scale for indicating the thickness of the depleted electrode. - View Dependent Claims (2, 3, 4, 5)
- a fluid tight case, a scale carried by the case, at least one sensing arm, resiliently urged against a major face of the battery electrode which is depleted with use;
Specification
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Current AssigneeCompagnie Industrielle Des Piles Electriques Cipel
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Original AssigneeCompagnie Industrielle Des Piles Electriques Cipel
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InventorsAnes, Lionel
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Primary Examiner(s)Walton, Donald L.
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Application NumberUS05/660,464Time in Patent Office645 DaysField of Search136/182, 429/90, 429/91, 429/92, 429/19US Class Current429/91CPC Class CodesH01M 6/5044 Cells or batteries structur...Y02E 60/10 Energy storage using batteries
