US3141348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism
Assignee: Allis Chalmers Corp
•
Filing: 1961-08-28
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Granted: 1964-07-21
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 John K Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:00
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/18; F01K; F01K15/00; F01K15/02; F01K15/04; F01K15/045; F01K7/00; F01K7/16; F01K7/18; F01K7/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN OPERATING MECHANISM COMPRISING: A SUPPORT; A FIRST SHAFT ROTATABLY SUPPORTED BY SAID SUPPORT; A WORM WHEEL CONNECTED TO SAID FIRST SHAFT FOR ROTATION THEREWITH; A SECOND SHAFT SUPPORTED BY SAID SUPPORT, SAID SECOND SHAFT BEING CAPABLE OF BOTH ROTATIONAL AND LONGITUDINAL MOVEMENT; A WORM CONNECTED TO SAID SECOND SHAFT FOR MOVEMENT THEREWITH AND DRIVINGLY ENGAGING SAID WORM WHEEL; CONTROL MEANS CONNECTED TO SAID SECOND SHAFT FOR ROTATING SAME; POWER MEANS ENGAGING SAID SECOND SHAFT AND RESISTING LONGITUDINAL MOVEMENT THEREOF, SAID POWER MEANS BEING RESPONSIVE TO A PREDETERMINED ROTATED POSITION OF SAID CONTROL MEANS TO LONGITUDINALLY MOVE SAID SECOND SHAFT TO CAUSE SAID FIRST SHAFT TO ROTATE A PREDETERMINED AMOUNT.
Claim 2
Dependent Claim
110 words
AN OPERATING MECHANISM COMPRISING: A SUPPORT; A FIRST SHAFT ROTATABLY SUPPORTED BY SAID SUPPORT; A WORM WHEEL CONNECTED TO SAID FIRST SHAFT FOR ROTATION THEREWITH; A SECOND SHAFT SUPPORTED BY SAID SUPPORT, SAID SECOND SHAFT BEING CAPABLE OF BOTH ROTATIONAL AND LONGITUDINAL MOVEMENT; A WORM CONNECTED TO SAID SECOND SHAFT FOR MOVEMENT THEREWITH AND DRIVINGLY ENGAGING SAID WORM WHEEL; CONTROL MEANS CONNECTED TO SAID SECOND SHAFT FOR ROTATING SAME; POWER MEANS ENGAGING SAID SECOND SHAFT AND RESISTING LONGITUDINAL MOVEMENT THEREOF, SAID POWER MEANS BEING RESPONSIVE TO A PREDETERMINED ROTATED POSITION OF SAID CONTROL MEANS TO LONGITUDINALLY MOVE SAID SECOND SHAFT TO CAUSE SAID FIRST SHAFT TO ROTATE A PREDETERMINED AMOUNT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |