Patent US3139770A successfully refreshed from Google Patents.
US3139770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism including self-compensating wave generator
Assignee: United Shoe Machinery Corp
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Filing: 1962-08-14
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Granted: 1964-07-07
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Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Musser C Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:09
CPC Classifications
F; F16; F16H; F16H13/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A DRIVE MECHANISM, A DRIVE ROTOR, MEANS FOR TURNING THE DRIVE ROTOR ABOUT AN AXIS, A FIRST ELEMENT HAVING A CIRCULAR WALL COAXIAL WITH THE DRIVE ROTOR, A FLEX ELEMENT OPERATIVELY ENGAGING THE CIRCULAR WALL OF THE FIRST ELEMENT AT A PLURALITY OF CIRCUMFERENTIALLY SPACED POINTS WITH INTERMEDIATE POINTS AT WHICH THE FLEX ELEMENT IS OUT OF ENGAGEMENT WITH THE FIRST ELEMENT, THE FLEX ELEMENT BEING COAXIAL WITH THE DRIVE ROTOR, AN OUTPUT SHAFT INTERCONNECTED WITH THE FLEX ELEMENT, AND WAVE GENERATOR MEANS MOUNTED ON THE DRIVE ROTOR AND DEFLECTING THE FLEX ELEMENT INTO CONTACT WITH THE FIRST ELEMENT AT SAID POINTS OF CONTACT, SAID LATTER MEANS BEING RESPONSIVE TO TORQUE APPLIED TO THE OUTPUT SHAFT FOR VARYING THE PRESSURE OF THE WAVE GENERATOR ON THE FLEX ELEMENT TO URGE IT AGAINST THE FIRST ELEMENT.
Claim 2
Dependent Claim
136 words
IN A DRIVE MECHANISM, A DRIVE ROTOR, MEANS FOR TURNING THE DRIVE ROTOR ABOUT AN AXIS, A FIRST ELEMENT HAVING A CIRCULAR WALL COAXIAL WITH THE DRIVE ROTOR, A FLEX ELEMENT OPERATIVELY ENGAGING THE CIRCULAR WALL OF THE FIRST ELEMENT AT A PLURALITY OF CIRCUMFERENTIALLY SPACED POINTS WITH INTERMEDIATE POINTS AT WHICH THE FLEX ELEMENT IS OUT OF ENGAGEMENT WITH THE FIRST ELEMENT, THE FLEX ELEMENT BEING COAXIAL WITH THE DRIVE ROTOR, AN OUTPUT SHAFT INTERCONNECTED WITH THE FLEX ELEMENT, AND WAVE GENERATOR MEANS MOUNTED ON THE DRIVE ROTOR AND DEFLECTING THE FLEX ELEMENT INTO CONTACT WITH THE FIRST ELEMENT AT SAID POINTS OF CONTACT, SAID LATTER MEANS BEING RESPONSIVE TO TORQUE APPLIED TO THE OUTPUT SHAFT FOR VARYING THE PRESSURE OF THE WAVE GENERATOR ON THE FLEX ELEMENT TO URGE IT AGAINST THE FIRST ELEMENT.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |