Pole bushing for batteries
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United States of America Patent
Stats
-
Oct 18, 1983
Grant Date -
N/A
app pub date -
Sep 24, 1980
filing date -
Oct 4, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pole bushing for batteries extends through the battery cover and forms a seal between the cover and the battery post. The bushing comprises a metal sleeve which is embedded in a sealing material to form a sealing element with an external surface which bears against the battery cover, and with an internal surface which at least partially is in close contact with the post passing through the cover. The metal sleeve is provided with grooves on its outside or inside to increase the sealing distance for contact between the sleeve and sealing material. One end portion of the sleeve extends out of the sealing material and forms an annular portion, the internal surface of which is for metallic connection to the post. The inventive sealing material is made of a resilient material, and the external surface of the sealing element is formed for contact with, and providing a sealing surface against the battery cover.
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