US3102966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft structure for electrical motor
Assignee: Individual
•
Filing: 1958-06-24
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Granted: 1963-09-03
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Hans C Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/28; H02K1/30; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7009; Y10T403/7011; Y10T403/7047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ELECTRICAL MOTOR STRUCTURE, COMPRISING A ROTOR INCLUDING A CYLINDRICAL SHAFT, A HELICAL SPRING WHICH, WHEN UNTENSIONED, HAS A SMALLER INTERIOR DIAMETER THAN THE EXTERIOR DIAMETER OF SAID SHAFT, THE SPRING BEING MOUNTED OVER SAID SHAFT TO CLAMP ITSELF ONTO THE MOTOR SHAFT SURFACE OVER SUBSTANTIALLY THE ENTIRE LENGTH OF THE SPRING BY ITS OWN TENSION ALONG A PART OF THE LENGTH OF THE SHAFT, AND SAID SHAFT BEING CONNECTED TO THE ROTOR BY BONDING THE SPRING THERETO BY MEANS OF A SYNTHETIC BONDING MATERIAL.
Claim 2
Dependent Claim
85 words
AN ELECTRICAL MOTOR STRUCTURE, COMPRISING A ROTOR INCLUDING A CYLINDRICAL SHAFT, A HELICAL SPRING WHICH, WHEN UNTENSIONED, HAS A SMALLER INTERIOR DIAMETER THAN THE EXTERIOR DIAMETER OF SAID SHAFT, THE SPRING BEING MOUNTED OVER SAID SHAFT TO CLAMP ITSELF ONTO THE MOTOR SHAFT SURFACE OVER SUBSTANTIALLY THE ENTIRE LENGTH OF THE SPRING BY ITS OWN TENSION ALONG A PART OF THE LENGTH OF THE SHAFT, AND SAID SHAFT BEING CONNECTED TO THE ROTOR BY BONDING THE SPRING THERETO BY MEANS OF A SYNTHETIC BONDING MATERIAL.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |