Patent US4020245A successfully refreshed from Google Patents.
US4020245A
Expired / Lapsed
US
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Cell adapter
Assignee: Mabuchi Motor Co Ltd
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Filing: 1975-10-31
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Granted: 1977-04-26
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Expires: 1995-10-31
Abstract
Abstract A cell adapter is disclosed which comprises a hollow cylindrical body having an interior space for the insertion of a cell thereinto and having an exterior diametral size agreeing with the size of the cell receiving space of a cell powered electric appliance in which the cell is to be placed. The hollow cylindrical body can be formed as an monoblock molding unit, that is integral unit, and has resilient holding portions at its top for elastically holding the cell inserted into said interior space.
Inventors
- 👤 Kenichi Mabuchi
- 👤 Yoshihisa Tsuchimochi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:36
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
99 words
A cell adapter comprising a hollow cylindrical body having an outer diameter agreeing with a predetermined diametral size, an opening formed in the top end face of said hollow cylindrical body, slits cut in said top end face and the peripheral wall of said hollow cylindrical body and extending from said peripheral wall of the hollow cylindrical body to said opening thereof, and tongue members formed in said top end face by said slits, the tips of said tongue members together form a circle, said slits and tongue members providing a resilient means for elastically holding the cell inserted.
Claim 2
Dependent Claim
99 words
A cell adapter comprising a hollow cylindrical body having an outer diameter agreeing with a predetermined diametral size, an opening formed in the top end face of said hollow cylindrical body, slits cut in said top end face and the peripheral wall of said hollow cylindrical body and extending from said peripheral wall of the hollow cylindrical body to said opening thereof, and tongue members formed in said top end face by said slits, the tips of said tongue members together form a circle, said slits and tongue members providing a resilient means for elastically holding the cell inserted.
Claim 3
Dependent Claim
27 words
A cell adapter as claimed in claim 1, in which ribs for supporting the cell are formed on the inner wall surface of the hollow cylindrical body.
Claim 4
Dependent Claim
31 words
A cell adapter as claimed in claim 1, further comprising a film of thermo-contractive synthetic resin covering at least the outer surface of said hollow cylindrical body where said slits exist.
Claim 5
Dependent Claim
31 words
A cell adapter as claimed in claim 2, further comprising a film of thermo-contractive synthetic resin covering at least the outer surface of said hollow cylindrical body where said slits exist.
References Cited (Backward Citations)
US3684583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |