Lid for accumulator batteries suited to absorb the deformation o

Details Lid for accumulator batteries suited to absorb the deformation o Lid for accumulator batteries suited to absorb the deformation o

1990-05-02

1991-10-01

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429180, 429 66, H01M 204

Patent

active

050532960

ABSTRACT:
The invention discloses a lid made of plastic (1,20,30) for lead-acid accumulator batteries wherein at least each opening for the passage of the positive poles presents an externally cylindrical collar (6,21,31) having nearly the same diameter as the openings, wherein said collar (6,21,31) receives in its interior the bush (7,15,34) blocking the pole (4,23,33) of the accumulator battery and is connected with the lid through an elastic diaphragm (10,25,35) having a circular cross-section, the upper edge of said diaphragm being attached to the lid and the lower edge is connected with the outer surface of the collar.
According to a preferred embodiment of the invention the elastic diaphragm (10,25) has a toroidal shape.
According to another embodiment the elastic diaphragm (35) acquires the shape of a bellows with a vertical axis.

REFERENCES:
patent: 2901527 (1959-08-01), Mocas
patent: 3064068 (1962-11-01), Fouch
patent: 3981759 (1976-09-01), Summo
patent: 4455356 (1984-06-01), Barrett, Jr.
patent: 4467021 (1984-08-01), Stocchiero
patent: 4859547 (1989-08-01), Adams et al.
patent: 4898795 (1990-02-01), Stocchiero

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