US3177368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine starting mechanism
Assignee: CAV Ltd
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Filing: 1963-02-15
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Granted: 1965-04-06
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
- 👤 Seilly Alec Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:52
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/02; F02N15/04; F02N15/06; F02N11/00; F02N11/08; F02N11/0814; F02N11/0844; F02N11/0851; F02N11/0855; F02N11/087; F02N11/10; F02N11/101; F02N15/067; H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/065; F02N2011/0881; F02N2011/0892; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
STARTING MECHANISM FOR AN INTERNAL COMBUSTION ENGINE HAVING A TOOTHED WHEEL ROTATABLE THEREWITH, COMPRISING A MOTOR HAVING AN ARMATURE SPINDLE, A PINION ROTATABLE WITH THE ARMATURE SPINDLE, A SOLENOID FOR MOVING THE PINION INTO ENGAGEMENT WITH SAID TOOTHED WHEEL, A PAIR OF NORMALLY CLOSED CONTACTS IN SERIES WITH THE WINDING OF SAID SOLENOID, RESILIENT MEANS ACTING TO DISENGAGE THE PINION AND TOOTHED WHEEL, A STARTER SWITCH FOR ENERGIZING THE SOLENOID THROUGH SAID PAIR OF NORMALLY CLOSED CONTACTS, A MOTOR-ENERGIZING CIRCUIT INCLUDING A MOTOR SWITCH, MEANS FOR CLOSING THE MOTOR SWITCH WHEN THE PINION AND TOOTHED WHEEL ARE IN ENGAGEMENT, MEANS CONNECTING THE WINDING OF THE SOLENOID ACROSS A PART OF SAID MOTOR-ENERGIZING CIRCUIT IN WHICH THE CURRENT FLOW IS INVERSELY PROPORTIONAL TO THE SPEED OF THE MOTOR, SAID RESILIENT MEANS OVERCOMING THE ACTION OF THE SOLENOID WHEN THE ENGINE HAS STARTED AND THE STARTER SWITCH IS MAINTAINED CLOSED TO DISENGAGE THE PINION AND TOOTHED WHEEL, AND MEANS FOR OPENING SAID PAIR OF CONTACTS WHEN THE PINION AND TOOTHED WHEEL ARE DISENGAGED WITH THE SOLENOID ENERGIZED, WHEREBY TO PREVENT RE-ENGAGEMENT OF THE PINION AND TOOTHED WHEEL.
Claim 2
Dependent Claim
185 words
STARTING MECHANISM FOR AN INTERNAL COMBUSTION ENGINE HAVING A TOOTHED WHEEL ROTATABLE THEREWITH, COMPRISING A MOTOR HAVING AN ARMATURE SPINDLE, A PINION ROTATABLE WITH THE ARMATURE SPINDLE, A SOLENOID FOR MOVING THE PINION INTO ENGAGEMENT WITH SAID TOOTHED WHEEL, A PAIR OF NORMALLY CLOSED CONTACTS IN SERIES WITH THE WINDING OF SAID SOLENOID, RESILIENT MEANS ACTING TO DISENGAGE THE PINION AND TOOTHED WHEEL, A STARTER SWITCH FOR ENERGIZING THE SOLENOID THROUGH SAID PAIR OF NORMALLY CLOSED CONTACTS, A MOTOR-ENERGIZING CIRCUIT INCLUDING A MOTOR SWITCH, MEANS FOR CLOSING THE MOTOR SWITCH WHEN THE PINION AND TOOTHED WHEEL ARE IN ENGAGEMENT, MEANS CONNECTING THE WINDING OF THE SOLENOID ACROSS A PART OF SAID MOTOR-ENERGIZING CIRCUIT IN WHICH THE CURRENT FLOW IS INVERSELY PROPORTIONAL TO THE SPEED OF THE MOTOR, SAID RESILIENT MEANS OVERCOMING THE ACTION OF THE SOLENOID WHEN THE ENGINE HAS STARTED AND THE STARTER SWITCH IS MAINTAINED CLOSED TO DISENGAGE THE PINION AND TOOTHED WHEEL, AND MEANS FOR OPENING SAID PAIR OF CONTACTS WHEN THE PINION AND TOOTHED WHEEL ARE DISENGAGED WITH THE SOLENOID ENERGIZED, WHEREBY TO PREVENT RE-ENGAGEMENT OF THE PINION AND TOOTHED WHEEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |