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US 4,060,666 AGranted
Battery capacity indicator for primary battery
AssigneeCompagnie Industrielle des Piles Electriques "Cipel"
InventorLionel Anes
Life of this patent
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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.
Claims5
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.
Dependencies are inferred from the claim text.