US4994726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply apparatus for charging-type device
Assignee: TAGASANGYO Ltd A CORP OF JAPAN
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Filing: 1988-10-11
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Granted: 1991-02-19
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Expires: 2008-10-11
Abstract
Abstract There is provided a power supply apparatus for charging-type device including a transformer disposed in a main body of the power supply apparatus, current supply connection terminals connected to a secondary winding of the transformer, current receiving connection terminals so disposed in a charging-type device as to be capable of being coupled to and detached from the current supplying connection terminals, a storage battery so disposed in the charging-type device as to be charged from the current receiving connection terminals, and a load connected to the storage battery, the power supply apparatus for charging-type device comprising relay contacts of a relay connected to a primary side of a primary winding of the transformer, short-circuit contacts for the relay contacts, a relay coil for opering and closing the relay contacts, a first connection control terminal connected to the relay coil, and a second connection control terminal capable of being coupled and detached from the first connection control terminal, the relay coil being connected to a secondary side of secondary winding of the transformer via the first and second control terminals to interrupt a current flowing through the transformer upon completion of battery charging and upon detachment of the charging-type device from the main body of the power supply apparatus.
Inventors
- 👤 Kozo Tamura
- 👤 Syoichi Nihira
- 👤 Yasuhiro Tsukamoto
- 👤 Akira Iida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:48
CPC Classifications
A; A61; A61H; A61H33/00; A61H33/60; A61H33/005; H; H01; H01M; H01M10/00; H01M10/42; H01M10/46; H02; H02J; H02J7/00; H02J7/865; H02J9/00; H02J9/04; H02J9/06; H02J9/062; A61H33/02; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
186 words
A power supply apparatus for charging-type device including a transformer disposed in a main body of the power supply apparatus, current supply connection terminals connected to a secondary winding of the transformer, current receiving connection terminals so disposed in a charging-type device as to be capable of being coupled to and detached from the current supplying connection terminals, a storage battery so disposed in the charging-type device as to be charged from said current receiving connection terminals, and a load connected to said storage battery, said power supply apparatus for charging-type device comprising: relay contacts of a relay connected to a primary side of a primary winding of said transformer; short-circuit means for said relay contacts; a relay coil for opening and closing the relay contacts; a first connection control terminal connected to said relay coil; and a second connection control terminal so disposed in said charging-type device as to be capable of being coupled and detached from said first connection control terminal, said relay coil being connected to a secondary side of a secondary winding of said transformer via said first and second control terminals.
Claim 2
Dependent Claim
186 words
A power supply apparatus for charging-type device including a transformer disposed in a main body of the power supply apparatus, current supply connection terminals connected to a secondary winding of the transformer, current receiving connection terminals so disposed in a charging-type device as to be capable of being coupled to and detached from the current supplying connection terminals, a storage battery so disposed in the charging-type device as to be charged from said current receiving connection terminals, and a load connected to said storage battery, said power supply apparatus for charging-type device comprising: relay contacts of a relay connected to a primary side of a primary winding of said transformer; short-circuit means for said relay contacts; a relay coil for opening and closing the relay contacts; a first connection control terminal connected to said relay coil; and a second connection control terminal so disposed in said charging-type device as to be capable of being coupled and detached from said first connection control terminal, said relay coil being connected to a secondary side of a secondary winding of said transformer via said first and second control terminals.
Claim 3
Dependent Claim
35 words
A power supply apparatus for charging-type device according to claim 1, wherein said short-circuit means is so configured that the relay contacts may be short-circuited by short-circuit contacts only while a push button is depressed.
Claim 4
Dependent Claim
48 words
A power supply apparatus for charging-type device according to claim 1, wherein the current supplying connection terminals and the first connection control terminal are contained in a connector, and the main body of power supply apparatus and the connector are constituted separately and connected by way of leads.
Claim 5
Independent Claim
106 words
A apparatus comprising: a power supply having a main body and a transformer contained within said main body; a charging-type device detachably connected with said power supply and including a storage battery, a plurality of current receiving connection terminals and a recitfying circuit, said plurality of current receiving connection terminals receiving power from said transformer to enable charging of said storage battery through said rectifying circuit; and means for opening a primary side of said transformer upon detachment of said power supply from said charging-type device; wherein said charging-type device further includes switch means for controlling said means for opening a primary side of said transformer.
Claim 6
Independent Claim
106 words
A apparatus comprising: a power supply having a main body and a transformer contained within said main body; a charging-type device detachably connected with said power supply and including a storage battery, a plurality of current receiving connection terminals and a recitfying circuit, said plurality of current receiving connection terminals receiving power from said transformer to enable charging of said storage battery through said rectifying circuit; and means for opening a primary side of said transformer upon detachment of said power supply from said charging-type device; wherein said charging-type device further includes switch means for controlling said means for opening a primary side of said transformer.
Claim 7
Dependent Claim
219 words
A power supply apparatus for charging-type device including a transformer disposed in a main body of the power supply apparatus, current supply connection terminals connected to a secondary winding of the transformer, current receiving connection terminals so disposed in a charging-type device as to be capable of being coupled to and detached from the current supplying connection terminals, a storage battery so disposed in the charging-type device as to be charged from said current receiving connection terminals, and a load connected to said storage battery, said power supply apparatus for charging-type device comprising: relay contacts of a relay connected to a primary side of a primary winding of said transformer; short-circuit means for said relay contacts; a relay coil for opening and closing the relay contacts, one end of said relay coil being connected to a secondary winding of said transformer; a first connection control terminal connected to the other end of said relay coil; a second connection control terminal so disposed in said charging-type device as to be capable of being coupled and detached from said first connection control terminal, said relay coil being connected to a secondary side of a secondary winding of said transformer via said first and second control terminals; and charging end control means connected to the charging-type device of the relay coil circuit.
Claim 8
Dependent Claim
219 words
A power supply apparatus for charging-type device including a transformer disposed in a main body of the power supply apparatus, current supply connection terminals connected to a secondary winding of the transformer, current receiving connection terminals so disposed in a charging-type device as to be capable of being coupled to and detached from the current supplying connection terminals, a storage battery so disposed in the charging-type device as to be charged from said current receiving connection terminals, and a load connected to said storage battery, said power supply apparatus for charging-type device comprising: relay contacts of a relay connected to a primary side of a primary winding of said transformer; short-circuit means for said relay contacts; a relay coil for opening and closing the relay contacts, one end of said relay coil being connected to a secondary winding of said transformer; a first connection control terminal connected to the other end of said relay coil; a second connection control terminal so disposed in said charging-type device as to be capable of being coupled and detached from said first connection control terminal, said relay coil being connected to a secondary side of a secondary winding of said transformer via said first and second control terminals; and charging end control means connected to the charging-type device of the relay coil circuit.
Claim 9
Dependent Claim
46 words
A power supply apparatus for charging-type device according to claim 5, wherein said charging end control means comprises a photo TRIAC having a photodetector element connected to the circuit of the first connection control terminal and a light emitting diode connected to a charging/discharging control circuit.
Claim 10
Dependent Claim
27 words
A power supply apparatus for charging-type device according to claim 5, wherein said charging-type device comprises the storage battery and a pump section connected to a motor.
Claim 11
Dependent Claim
21 words
A power supply apparatus for charging-type device according to claim 6, wherein the load is connected to the charging/discharging control circuit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |