US3223323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic reset counter mechanism
Assignee: Motors Liquidation Co
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Filing: 1963-10-04
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Granted: 1965-12-14
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Expires: 1983-10-04
Abstract
No abstract record available.
Inventors
- 👤 Norman D Lawless
- 👤 Harold R Mertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/28; G06M1/34; G06M1/36; G06M1/363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A COUNTER MECHANISM HAVING A DRIVE SHAFT AND A SERIES OF NON-MAGNETIC COUNTER WHEELS ROTATABLY MOUNTED ON SAID SHAFT, MEANS FOR IMPARTING ROTATION OF SAID SHAFT IN ONE DIRECTION TO ONE OF SAID WHEELS AND THEN TO THE OTHERS OF SAID WHEELS IN SUCCESSION, OPPOSING JOURNAL SURFACES OF SAID SHAFT AND OTHER WHEELS HAVING GROOVES THEREIN EXTENDING PARALLEL WITH SAID SHAFT, ONE OF SAID GROOVES BEING IN SAID SHAFT AND BEING SHALLOW, ONE OTHER OF SAID GROOVES BEING IN ONE OF SAID WHEELS AND BEING DEEP, A PERMANENTLY MAGNETIZED CYLINDRICAL PIN AT LEAST PARTIALLY RETAINED IN SAID DEEP GROOVE AND DRAWN TOWARD SAID SHAFT BY MAGNETIC ATTRACTION, SAID SHAFT GROOVE AND ONE OTHER GROOVE HAVING TWO SURFACES ARRANGED TO ENGAGE AND HOLD SAID PIN WHEN SAID ONE WHEEL IS ROTATED IN ONE DIRECTION RELATIVE TO SAID SHAFT, AND A CAM SURFACE IN SAID SHAFT GROOVE ARRANGED TO FORCE SAID PIN INTO SAID DEEP GROOVE WHEN SAID ONE WHEEL IS ROTATED IN THE OTHER DIRECTION RELATIVE TO SAID SHAFT.
Claim 2
Dependent Claim
168 words
A COUNTER MECHANISM HAVING A DRIVE SHAFT AND A SERIES OF NON-MAGNETIC COUNTER WHEELS ROTATABLY MOUNTED ON SAID SHAFT, MEANS FOR IMPARTING ROTATION OF SAID SHAFT IN ONE DIRECTION TO ONE OF SAID WHEELS AND THEN TO THE OTHERS OF SAID WHEELS IN SUCCESSION, OPPOSING JOURNAL SURFACES OF SAID SHAFT AND OTHER WHEELS HAVING GROOVES THEREIN EXTENDING PARALLEL WITH SAID SHAFT, ONE OF SAID GROOVES BEING IN SAID SHAFT AND BEING SHALLOW, ONE OTHER OF SAID GROOVES BEING IN ONE OF SAID WHEELS AND BEING DEEP, A PERMANENTLY MAGNETIZED CYLINDRICAL PIN AT LEAST PARTIALLY RETAINED IN SAID DEEP GROOVE AND DRAWN TOWARD SAID SHAFT BY MAGNETIC ATTRACTION, SAID SHAFT GROOVE AND ONE OTHER GROOVE HAVING TWO SURFACES ARRANGED TO ENGAGE AND HOLD SAID PIN WHEN SAID ONE WHEEL IS ROTATED IN ONE DIRECTION RELATIVE TO SAID SHAFT, AND A CAM SURFACE IN SAID SHAFT GROOVE ARRANGED TO FORCE SAID PIN INTO SAID DEEP GROOVE WHEN SAID ONE WHEEL IS ROTATED IN THE OTHER DIRECTION RELATIVE TO SAID SHAFT.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |