Patent US3553473A successfully refreshed from Google Patents.
US3553473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternator power source
Assignee: Individual
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Filing: 1968-11-12
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Granted: 1971-01-05
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Expires: 1988-11-12
Abstract
Abstract A direct current power supply is obtained from a battery equipped vehicle engine driven alternator by a circuit and a solenoid actuated vacuum operated battery disconnect switch. The solenoid is energized by a relay in response to closing the starting switch of a power tool connected to the alternator output wiring by the circuit.
Inventors
- 👤 Emett O Meeks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:48
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/08; H02P2101/00; H02P2101/45
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
150 words
An alternator power source in combination with an accelerator equipped engine driving an alternator and having the alternator power output connected with a battery by wiring, the improvement comprising: a normally closed switch interposed in the alternator output to battery wiring; said normally closed switch having a pair of terminals; said normally closed switch being connected with said accelerator for opening said normally closed switch by movement of said accelerator in an engine accelerating direction; a solenoid operatively connected with said accelerator for moving said accelerator in an engine accelerating direction; normally open circuit means connected in series with said normally closed switch terminals; said circuit means including at least one relay and a pair of power output terminals; other wiring connecting said relay with said solenoid for energizing said solenoid when said relay is energized; and means bridging said power output terminals for energizing said relay and said solenoid.
Claim 2
Dependent Claim
150 words
An alternator power source in combination with an accelerator equipped engine driving an alternator and having the alternator power output connected with a battery by wiring, the improvement comprising: a normally closed switch interposed in the alternator output to battery wiring; said normally closed switch having a pair of terminals; said normally closed switch being connected with said accelerator for opening said normally closed switch by movement of said accelerator in an engine accelerating direction; a solenoid operatively connected with said accelerator for moving said accelerator in an engine accelerating direction; normally open circuit means connected in series with said normally closed switch terminals; said circuit means including at least one relay and a pair of power output terminals; other wiring connecting said relay with said solenoid for energizing said solenoid when said relay is energized; and means bridging said power output terminals for energizing said relay and said solenoid.
Claim 3
Dependent Claim
30 words
The combination recited in claim 1 wherein the last mentioned means includes an electrical power operated tool having a closeable electrical circuit connected in series with said power output terminals.
References Cited (Backward Citations)
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US3116420A
Cited
US3127518A
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US3395288A
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |