US3301089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable cam
Assignee: Individual
•
Filing: 1964-11-09
•
Granted: 1967-01-31
•
Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Wechsler Paul Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:35
CPC Classifications
F; F16; F16H; F16H53/00; F16H53/02; F16H53/04; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN ADJUSTABLE CAM COMPRISING: A DRUM, SAID DRUM HAVING A FIRST CIRCUMFERENTIAL GROOVE IN THE PERIPHERAL SURFACE THEREOF IN A PLANE PERPENDICULAR TO THE DRUM AXIS, SECOND AND THIRD CIRCUMFERENTIAL GROOVES PARALLEL TO SAID FIRST GROOVE; POSITIONER ELEMENTS SLIDABLY ADJUSTABLY MOUNTED IN SAID FIRST GROOVE, EACH OF SAID POSITIONER ELEMENTS HAVING A CIRCUMFERENTIALLY EXTENDING PROJECTION IN THE SAID FIRST GROOVE IN MATING RELATIONSHIP THEREWITH AND A PAIR OF CIRCUMFERENTIALLY SPACED LUGS EXTENDING OUTWARDLY OF THE SURFACE OF SAID DRUM; A FLEXIBLE RING ENCIRCLING SAID DRUM AND LYING PARTLY IN SAID SECOND GROOVE AND PARTLY IN SAID THIRD GROOVE, SAID RING ENGAGING SAID LUGS OF SAID POSITIONER ELEMENTS AND BEING GUIDED THEREBY TO SAID SECOND AND THIRD GROOVES, THE OUTERMOST PART OF SAID RING BEING OUTWARDLY OF THE DRUM SURFACE; AND A CAM FOLLOWER CONTIGUOUS WITH SAID DRUM AND OVERLYING SAID THIRD GROOVE FOR MOVEMENT BY THE OUTERMOST PART OF THAT PORTION OF SAID RING IN SAID THIRD GROOVE.
Claim 2
Dependent Claim
158 words
AN ADJUSTABLE CAM COMPRISING: A DRUM, SAID DRUM HAVING A FIRST CIRCUMFERENTIAL GROOVE IN THE PERIPHERAL SURFACE THEREOF IN A PLANE PERPENDICULAR TO THE DRUM AXIS, SECOND AND THIRD CIRCUMFERENTIAL GROOVES PARALLEL TO SAID FIRST GROOVE; POSITIONER ELEMENTS SLIDABLY ADJUSTABLY MOUNTED IN SAID FIRST GROOVE, EACH OF SAID POSITIONER ELEMENTS HAVING A CIRCUMFERENTIALLY EXTENDING PROJECTION IN THE SAID FIRST GROOVE IN MATING RELATIONSHIP THEREWITH AND A PAIR OF CIRCUMFERENTIALLY SPACED LUGS EXTENDING OUTWARDLY OF THE SURFACE OF SAID DRUM; A FLEXIBLE RING ENCIRCLING SAID DRUM AND LYING PARTLY IN SAID SECOND GROOVE AND PARTLY IN SAID THIRD GROOVE, SAID RING ENGAGING SAID LUGS OF SAID POSITIONER ELEMENTS AND BEING GUIDED THEREBY TO SAID SECOND AND THIRD GROOVES, THE OUTERMOST PART OF SAID RING BEING OUTWARDLY OF THE DRUM SURFACE; AND A CAM FOLLOWER CONTIGUOUS WITH SAID DRUM AND OVERLYING SAID THIRD GROOVE FOR MOVEMENT BY THE OUTERMOST PART OF THAT PORTION OF SAID RING IN SAID THIRD GROOVE.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |