US3136144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving mechanism
Assignee: Individual
•
Filing: 1963-01-07
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Granted: 1964-06-09
•
Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Weiss Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:50
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A DRIVE MECHANISM COMPRISING A SHAFT, A DRIVEN NONMAGNETIC MEMBER FREELY ROTATABLE ON SAID SHAFT, A MAGNETIC MEMBER FREELY ROTATABLE AND AXIALLY MOVABLE ON SAID SHAFT, AND A SECOND MAGNETIC MEMBER ROTATABLE WITH SAID SHAFT, SAID NON-MAGNETIC MEMBER BEING SANDWICHED BETWEEN SAID MAGNETIC MEMBERS, EACH OF SAID MAGNETIC MEMBERS HAVING A NORTH POLE AND A SOUTH POLE SPACED FROM EACH OTHER, WHEREBY WHEN THE NORTH-SOUTH POLES OF THE MAGNETIC MEMBERS ARE OPPOSITE EACH OTHER THE NONMAGNETIC MEMBER IS FIXEDLY HELD THEREBETWEEN AND WHEN THE NORTH-SOUTH POLES OF THE MAGNETIC MEMBERS ARE NOT IN EXACT ALIGNMENT THE NON-MAGNETIC MEMBER IS LESS FIXEDLY HELD TO PERMIT SLIP OF THE LATTER WITH RESPECT TO EITHER OF THE MAGNETIC MEMBERS.
Claim 2
Dependent Claim
116 words
A DRIVE MECHANISM COMPRISING A SHAFT, A DRIVEN NONMAGNETIC MEMBER FREELY ROTATABLE ON SAID SHAFT, A MAGNETIC MEMBER FREELY ROTATABLE AND AXIALLY MOVABLE ON SAID SHAFT, AND A SECOND MAGNETIC MEMBER ROTATABLE WITH SAID SHAFT, SAID NON-MAGNETIC MEMBER BEING SANDWICHED BETWEEN SAID MAGNETIC MEMBERS, EACH OF SAID MAGNETIC MEMBERS HAVING A NORTH POLE AND A SOUTH POLE SPACED FROM EACH OTHER, WHEREBY WHEN THE NORTH-SOUTH POLES OF THE MAGNETIC MEMBERS ARE OPPOSITE EACH OTHER THE NONMAGNETIC MEMBER IS FIXEDLY HELD THEREBETWEEN AND WHEN THE NORTH-SOUTH POLES OF THE MAGNETIC MEMBERS ARE NOT IN EXACT ALIGNMENT THE NON-MAGNETIC MEMBER IS LESS FIXEDLY HELD TO PERMIT SLIP OF THE LATTER WITH RESPECT TO EITHER OF THE MAGNETIC MEMBERS.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |