Patent US3153159A successfully refreshed from Google Patents.
US3153159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor
Assignee: Molon Motor and Coil Corp
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Filing: 1963-02-04
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Granted: 1964-10-13
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Lord Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:05
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/12; H02K7/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN AN ELECTRIC MOTOR, A ROTOR SHAFT, A ROTOR MOUNTED ON THE SHAFT AND HAVING A LOST MOTION ROTARY DRIVE CONNECTION TO THE ROTOR SHAFT FOR IMPARTING TORQUE THERETO IN A FORWARD DIRECTION WHEN THE MOTOR IS ENERGIZED, SAID ROTOR AND ROTOR SHAFT BEING SUPPORTED FOR AXIAL SOLENOID MOVEMENT FROM AN IDLE TO AN ACTIVE POSITION WHEN THE MOTOR IS ENERGIZED, A DRIVE GEAR SECURED TO THE ROTOR SHAFT AND ADAPTED TO MESH WITH A DRIVEN GEAR WHEN THE ROTOR SHAFT IS IN ITS ACTIVE POSITION, AND A TORSION SPRING ANCHORED BETWEEN THE ROTOR AND ROTOR SHAFT AND ADAPTED TO BE WOUND BY THE ROTOR IN THE COURSE OF ITS LOST ROTARY MOTION TO STORE ENERGY FOR IMPARTING REVERSE TORQUE TO SAID SHAFT WHEN THE MOTOR IS DE-ENERGIZED.
Claim 2
Dependent Claim
128 words
IN AN ELECTRIC MOTOR, A ROTOR SHAFT, A ROTOR MOUNTED ON THE SHAFT AND HAVING A LOST MOTION ROTARY DRIVE CONNECTION TO THE ROTOR SHAFT FOR IMPARTING TORQUE THERETO IN A FORWARD DIRECTION WHEN THE MOTOR IS ENERGIZED, SAID ROTOR AND ROTOR SHAFT BEING SUPPORTED FOR AXIAL SOLENOID MOVEMENT FROM AN IDLE TO AN ACTIVE POSITION WHEN THE MOTOR IS ENERGIZED, A DRIVE GEAR SECURED TO THE ROTOR SHAFT AND ADAPTED TO MESH WITH A DRIVEN GEAR WHEN THE ROTOR SHAFT IS IN ITS ACTIVE POSITION, AND A TORSION SPRING ANCHORED BETWEEN THE ROTOR AND ROTOR SHAFT AND ADAPTED TO BE WOUND BY THE ROTOR IN THE COURSE OF ITS LOST ROTARY MOTION TO STORE ENERGY FOR IMPARTING REVERSE TORQUE TO SAID SHAFT WHEN THE MOTOR IS DE-ENERGIZED.
References Cited (Backward Citations)
US3109950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |