Patent US3169201A successfully refreshed from Google Patents.
US3169201A
Expired / Lapsed
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Electromagnetic harmonic drive
Assignee: United Shoe Machinery Corp
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Filing: 1963-02-15
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Granted: 1965-02-09
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
- 👤 Willard B Spring
- 👤 Donald F Herdeg
- 👤 Herbert W Proctor
- 👤 Gifford P Scott
- 👤 Norman R Hussey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:02
CPC Classifications
H; H02; H02P; H02P8/00; H02K; H02K41/00; H02K41/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN ACTUATING DEVICE COMPRISING, IN RELATIVELY ROTATABLE AND TELESCOPING RELATION, AN ANNULAR MEMBER AND A FLEXIBLE TUBULAR MEMBER COAXIAL THEREWITH, THE FLEXIBLE MEMBER BEING DEFLECTABLE INTO ELLIPTOIDAL SHAPE FOR ENGAGEMENT IN THE LOCALITIES OF ONE OF ITS AXES AND NONENGAGEMENT AT INTERMEDIATE LOCALITIES WITH SAID ANNULAR MEMBER, AND WAVE GENERATOR INPUT MENS FOR EFFECTING SAID SHAPE AND FOR CIRCUMFERENTIALLY PROPAGTING SAID LOCALITIES OF ENGAGEMENT WHEREBY ONE OF THE MEMBERS IS ROTATABLY DRIVEN WITH RESPECT TO THE OTHER, THE WAVE GENERATOR INPUT MEANS INCLUDING A PLURAITY OF MAGNETICALLY RESPONSIVE, RADIALLY ACTING ELEMENTS DISTRIBUTED AROUND THE SIDE OF THE FLEXIBLE MEMBER REMOTE FORM THE ANNULAR MEMBER, AND A STATOR CONSISTING OF A CIRCULAR SERIES OF ELECTROMAGNETS FOR RADIALLY DISPLACING SAID ELEMENTS, THE ELECTROMAGNETS BEING ENERGIZABLE SEQUENTIALLY TO PROVIDE A PLURALITY OF SUBSTANTLLY CLOSED LOOPS OF FLUX TO CONTROL THE ROTATION OF SAID DRIVEN MEMBER.
Claim 2
Dependent Claim
142 words
AN ACTUATING DEVICE COMPRISING, IN RELATIVELY ROTATABLE AND TELESCOPING RELATION, AN ANNULAR MEMBER AND A FLEXIBLE TUBULAR MEMBER COAXIAL THEREWITH, THE FLEXIBLE MEMBER BEING DEFLECTABLE INTO ELLIPTOIDAL SHAPE FOR ENGAGEMENT IN THE LOCALITIES OF ONE OF ITS AXES AND NONENGAGEMENT AT INTERMEDIATE LOCALITIES WITH SAID ANNULAR MEMBER, AND WAVE GENERATOR INPUT MENS FOR EFFECTING SAID SHAPE AND FOR CIRCUMFERENTIALLY PROPAGTING SAID LOCALITIES OF ENGAGEMENT WHEREBY ONE OF THE MEMBERS IS ROTATABLY DRIVEN WITH RESPECT TO THE OTHER, THE WAVE GENERATOR INPUT MEANS INCLUDING A PLURAITY OF MAGNETICALLY RESPONSIVE, RADIALLY ACTING ELEMENTS DISTRIBUTED AROUND THE SIDE OF THE FLEXIBLE MEMBER REMOTE FORM THE ANNULAR MEMBER, AND A STATOR CONSISTING OF A CIRCULAR SERIES OF ELECTROMAGNETS FOR RADIALLY DISPLACING SAID ELEMENTS, THE ELECTROMAGNETS BEING ENERGIZABLE SEQUENTIALLY TO PROVIDE A PLURALITY OF SUBSTANTLLY CLOSED LOOPS OF FLUX TO CONTROL THE ROTATION OF SAID DRIVEN MEMBER.
References Cited (Backward Citations)
US2906143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |