US3211014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible mechanical drive
Assignee: Southern Instruments Ltd
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Filing: 1963-10-25
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Granted: 1965-10-12
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Sanderson George Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:48
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/02; F16H13/00; F16H15/46; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A REVERSIBLE MECHANICAL DRIVE COMPRISING A REVERSIBLE ELECTRIC MOTOR, AN INPUT WHEEL OPERATIVELY CONNECTED TO SAID MOTOR FOR ROTATION THEREBY, A LEVER-LIKE MEMBER MOUNTED FOR PIVOTAL MOVEMENT ABOUT THE AXIS OF ROTATION OF SAID INPUT WHEEL, AN IDLER WHEEL MOUNTED UPON SAID LEVER-LIKE MEMBER SO AS TO BEAR UPON, AND BE DRIVEN BY, SAID INPUT WHEEL, FRICTIONAL ENGAGEMENT MEANS CAUSING THE LEVEL-LIKE MEMBER TO BE URGED ALTERNATIVELY IN ONE DIRECTION OF ROTATION OR THE OTHER DEPENDING UPON THE DIRECTION OF ROTATION OF THE ELECTRIC MOTOR, A FIRST OUTPUT WHEEL POSITIONED FOR OPERATIVE DRIVING ENGAGEMENT WITH SAID IDLER WHEEL WHEN SAID LEVER-LIKE MEMBER IS URGED IN SAID ONE DIRECTION OF ROTATION, AND A SECOND OUTPUT WHEEL POSITIONE FOR OPERATIVE DRIVING ENGAGEMENT WITH SAID IDLER WHEEL WHEN SAID LEVER-LIKE MEMBER IS URGED IN SAID OTHER DIRECTION OF ROTATION.
Claim 2
Dependent Claim
136 words
A REVERSIBLE MECHANICAL DRIVE COMPRISING A REVERSIBLE ELECTRIC MOTOR, AN INPUT WHEEL OPERATIVELY CONNECTED TO SAID MOTOR FOR ROTATION THEREBY, A LEVER-LIKE MEMBER MOUNTED FOR PIVOTAL MOVEMENT ABOUT THE AXIS OF ROTATION OF SAID INPUT WHEEL, AN IDLER WHEEL MOUNTED UPON SAID LEVER-LIKE MEMBER SO AS TO BEAR UPON, AND BE DRIVEN BY, SAID INPUT WHEEL, FRICTIONAL ENGAGEMENT MEANS CAUSING THE LEVEL-LIKE MEMBER TO BE URGED ALTERNATIVELY IN ONE DIRECTION OF ROTATION OR THE OTHER DEPENDING UPON THE DIRECTION OF ROTATION OF THE ELECTRIC MOTOR, A FIRST OUTPUT WHEEL POSITIONED FOR OPERATIVE DRIVING ENGAGEMENT WITH SAID IDLER WHEEL WHEN SAID LEVER-LIKE MEMBER IS URGED IN SAID ONE DIRECTION OF ROTATION, AND A SECOND OUTPUT WHEEL POSITIONE FOR OPERATIVE DRIVING ENGAGEMENT WITH SAID IDLER WHEEL WHEN SAID LEVER-LIKE MEMBER IS URGED IN SAID OTHER DIRECTION OF ROTATION.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |