US4212934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pole seal for storage batteries
Assignee: Clarios Germany GmbH and Co KG
•
Filing: 1978-10-10
•
Granted: 1980-07-15
•
Expires: 1998-10-10
Abstract
Abstract The battery pole extends through a tubular opening in the plastic battery lid. The pole shaft is surrounded by a synthetic plastic mantle which adjoins the tubular opening in frictionally sealing manner.
Inventors
- 👤 Klaus Salamon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:29
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/172; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
An electric storage battery with poles which are led sealed through the housing lid, which is of synthetic plastic, wherein the pole shaft extends in axially displaceable manner through an opening in the housing lid and has a plurality of annular recesses axially spaced along the shaft, and the pole shaft is provided with a synthetic plastic mantle which has a plurality of internal annular ribs engaging and interlocking with the recesses in the pole shaft, and a plurality of axially spaced external annular sealing lips, the lips adjoining the inner wall of the opening in frictionally sealing manner, the mantle with its ribs and lips forming the only seal between pole shaft and housing lid.
Claim 2
Dependent Claim
116 words
An electric storage battery with poles which are led sealed through the housing lid, which is of synthetic plastic, wherein the pole shaft extends in axially displaceable manner through an opening in the housing lid and has a plurality of annular recesses axially spaced along the shaft, and the pole shaft is provided with a synthetic plastic mantle which has a plurality of internal annular ribs engaging and interlocking with the recesses in the pole shaft, and a plurality of axially spaced external annular sealing lips, the lips adjoining the inner wall of the opening in frictionally sealing manner, the mantle with its ribs and lips forming the only seal between pole shaft and housing lid.
Claim 3
Dependent Claim
19 words
The battery of claim 1, wherein the opening in the housing lid has the form of a cylindrical tube
Claim 4
Dependent Claim
19 words
The battery of claim 1, wherein the ribs and sealing lips are formed as integral parts of the mantle.
References Cited (Backward Citations)
US1402673A
Cited
US1960200A
Cited
US2637758A
Cited
US3578506A
Cited
US3652340A
Cited
US3678178A
Cited
US3957539A
Cited
US4127707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-15 | 1984-01-14 | 1984-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-15 | 1988-01-14 | 1988-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-15 | 1992-01-14 | 1992-07-15 | $7700.00 | Window Closed / Lapsed |