Chemistry: electrical current producing apparatus – product – and – Having means to accommodate electrode expansion
Patent
1988-10-04
1990-02-06
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Having means to accommodate electrode expansion
429175, 429180, H01M 400
Patent
active
048987956
ABSTRACT:
A flat lid for lead-acid accumulators contains openings which are provided with elastic seats for the accommodation of poles. Around each opening for the passage of the poles of an accumulator is provided an elastic diaphragm, the longitudinal profile of which is suited to be elastically deformable in its axial direction. A pole of the accumulator is connected with the diaphragm by means of a ring-shaped seat which is present at the end opposed to the area for the connection with the lid. When a lengthening of the pole of the accumulator eventually occurs during its life-span, it will be absorbed by the deformation of the diaphragm so that the lid will not be subjected to stresses which might otherwise damage or disconnect it from the accumulator with serious consequences.
REFERENCES:
patent: 3077509 (1963-02-01), Broussard
patent: 4455356 (1984-06-01), Barrett
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