US3079056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switchable drive system
Assignee: Consolidated Electrodynamics Corp
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Filing: 1961-09-11
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Granted: 1963-02-26
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Expires: 1981-09-11
Abstract
No abstract record available.
Inventors
- 👤 Johannes B Groenewegen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:07
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A MULTIPLE SPEED DRIVE INCLUDING A DRIVEN MEMBER, A FIRST MULTIPLE SPEED MOTOR HAVING A SHAFT COUPLED FOR ROTATION THEREWITH, A ROLLER MOUNTED ON THE SHAFT OF THE FIRST MOTOR TO BE ROTATABLE THEREWITH, MEANS FOR COUPLING SAID DRIVEN MEMBER TO SAID SHAFT OF THE FIRST MOTOR TO BE DIRECTLY DRIVEN THEREFROM, A SECOND MULTIPLE SPEED MOTOR HAVING A SPEED RANGE LOWER THAN THE SPEED RANGE OF SAID FIRST MOTOR AND HAVING A SHAFT COUPLED FOR ROTATION THEREWITH, AN IDLER NORMALLY SPACED FROM SAID ROLLER AND THE SHAFT OF SAID SECOND MOTOR AND ADAPTED TO MOVE INTO A DRIVEN RELATIONSHIP WITH THE ROLLER AND THE SHAFT OF THE SECOND MOTOR TO DRIVE THE ROLLER AND THEREBY SAID DRIVEN MEMBER, MEANS FOR SELECTIVELY POSITIONING SAID IDLER INTO SAID DRIVEN-DRIVE RELATIONSHIP, AND SWITCHABLE MEANS COUPLED TO EACH OF SAID MOTORS AND SAID LATTER-MENTIONED MEANS FOR SELECTIVELY ENERGIZING EITHER SAID FIRST OR SAID SECOND MOTOR AND SELECTING THE DESIRED SPEED THEREOF WHILE
Claim 2
Dependent Claim
159 words
A MULTIPLE SPEED DRIVE INCLUDING A DRIVEN MEMBER, A FIRST MULTIPLE SPEED MOTOR HAVING A SHAFT COUPLED FOR ROTATION THEREWITH, A ROLLER MOUNTED ON THE SHAFT OF THE FIRST MOTOR TO BE ROTATABLE THEREWITH, MEANS FOR COUPLING SAID DRIVEN MEMBER TO SAID SHAFT OF THE FIRST MOTOR TO BE DIRECTLY DRIVEN THEREFROM, A SECOND MULTIPLE SPEED MOTOR HAVING A SPEED RANGE LOWER THAN THE SPEED RANGE OF SAID FIRST MOTOR AND HAVING A SHAFT COUPLED FOR ROTATION THEREWITH, AN IDLER NORMALLY SPACED FROM SAID ROLLER AND THE SHAFT OF SAID SECOND MOTOR AND ADAPTED TO MOVE INTO A DRIVEN RELATIONSHIP WITH THE ROLLER AND THE SHAFT OF THE SECOND MOTOR TO DRIVE THE ROLLER AND THEREBY SAID DRIVEN MEMBER, MEANS FOR SELECTIVELY POSITIONING SAID IDLER INTO SAID DRIVEN-DRIVE RELATIONSHIP, AND SWITCHABLE MEANS COUPLED TO EACH OF SAID MOTORS AND SAID LATTER-MENTIONED MEANS FOR SELECTIVELY ENERGIZING EITHER SAID FIRST OR SAID SECOND MOTOR AND SELECTING THE DESIRED SPEED THEREOF WHILE
References Cited (Backward Citations)
US2963555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |