US3158768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning-pot motor
Assignee: Siemens Schuckertwerke AG
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Filing: 1961-05-09
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Granted: 1964-11-24
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Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 Schonwald Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:31
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/14; H02K7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
ELECTRIC SPINNING-POT MOTOR COMPRISING A VERTICAL HOLLOW ROTOR SHAFT, AN INNER SHAFT EXTENDING WITH RADIAL CLEARANCE THROUGH SAID HOLLOW SHAFT AND HAVING AN UPPER PORTION PROTRUDING UPWARDLY FROM SAID HOLLOW SHAFT FOR SUPPORTING A SPINNING-POT, A TORQUE-TRANSMITTING CONNECTION BETWEEN SAID HOLLOW SHAFT AND SAID INNER SHAFT FOR DRIVING THE LATTER, AND UNIVERSAL PIVOT MEANS ON ONE OF SAID SHAFTS AND ENGAGING THE OTHER SHAFT, SAID PIVOT MEANS BEING LOCATED NEAR SAID TORQUE-TRANSMITTING CONNECTION AND DEFINING SUBSTANTIALLY A CENTER POINT ABOUT WHICH SAID INNER SHAFT IS ANGULARLY DEFLECTABLE IN ALL DIRECTIONS RELATIVE TO SAID HOLLOW SHAFT, SAID INNER SHAFT HAVING A LOWER PORTION PROTRUDING DOWNWARDLY FROM SAID HOLLOW SHAFT, AND OSCILLATION DAMPING MEANS GLIDINGLY ENGAGING SAID LOWER PORTION OF SAID INNER SHAFT, AND RESILIENT RETURN MEANS
Claim 2
Dependent Claim
125 words
ELECTRIC SPINNING-POT MOTOR COMPRISING A VERTICAL HOLLOW ROTOR SHAFT, AN INNER SHAFT EXTENDING WITH RADIAL CLEARANCE THROUGH SAID HOLLOW SHAFT AND HAVING AN UPPER PORTION PROTRUDING UPWARDLY FROM SAID HOLLOW SHAFT FOR SUPPORTING A SPINNING-POT, A TORQUE-TRANSMITTING CONNECTION BETWEEN SAID HOLLOW SHAFT AND SAID INNER SHAFT FOR DRIVING THE LATTER, AND UNIVERSAL PIVOT MEANS ON ONE OF SAID SHAFTS AND ENGAGING THE OTHER SHAFT, SAID PIVOT MEANS BEING LOCATED NEAR SAID TORQUE-TRANSMITTING CONNECTION AND DEFINING SUBSTANTIALLY A CENTER POINT ABOUT WHICH SAID INNER SHAFT IS ANGULARLY DEFLECTABLE IN ALL DIRECTIONS RELATIVE TO SAID HOLLOW SHAFT, SAID INNER SHAFT HAVING A LOWER PORTION PROTRUDING DOWNWARDLY FROM SAID HOLLOW SHAFT, AND OSCILLATION DAMPING MEANS GLIDINGLY ENGAGING SAID LOWER PORTION OF SAID INNER SHAFT, AND RESILIENT RETURN MEANS
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |