US3343637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clutch mechanism
Assignee: Individual
•
Filing: 1965-12-15
•
Granted: 1967-09-26
•
Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Kuehn Paul Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:57
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/06; F16D43/08; F16D43/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A CLUTCH MECHANISM HAVING A DRIVE HEAD ROTATABLY MOUNTED ON A DRIVE SHAFT, SAID DRIVE HEAD ADAPTED TO BE AXIALLY MOVED TO ENGAGE A FRICTION PLATE ON A HUB ROTATABLY ASSOCIATED WITH SAID DRIVE SHAFT, SAID DRIVE HEAD HAVING A PLURALITY OF CENTRIFUGAL LEVERS ADAPTED TO ACTUATE STUDS WHICH ARE AXIALLY MOVABLE IN THE DRIVE HEAD TO URGE SAID CLUTCH PLATE INTO ENGAGEMENT WITH SAID FRICTION PLATE, THE IMPROVEMENTS WHICH INCLUDE: A NOTCH IN EACH STUD, EACH NOTCH CHARACTERIZED BY AN INTERMEDIATE WALL SPACING A TRANSVERSE WALL AT ONE END AND A CAM SURFACE AT THE OTHER END, SAID CAM SURFACE INCLINED IN TWO DIFFERENT DIRECTIONS, A FIRST DIRECTION INCLINED TO THE LONGITUDINAL AXIS OF THE STUD AND A SECOND DIRECTION INCLINED TO THE TRANSVERSE AXIS OF THE STUD, SAID SPACED TRANSVERSE WALL FURTHER INCLINED TO THE TRANSVERSE AXIS OF THE STUD IN SUBSTANTIALLY THE SAME MANNER AS THE TRANSVERSE INCLINE OF THE CAM SURFACE SO THAT SAID TRANSVERSE INCLINE OF THE CAM SURFACE IS SUBSTANTIALLY PARALLEL TO THE TRANSVERSE INCLINE OF THE WALL.
Claim 2
Dependent Claim
175 words
IN A CLUTCH MECHANISM HAVING A DRIVE HEAD ROTATABLY MOUNTED ON A DRIVE SHAFT, SAID DRIVE HEAD ADAPTED TO BE AXIALLY MOVED TO ENGAGE A FRICTION PLATE ON A HUB ROTATABLY ASSOCIATED WITH SAID DRIVE SHAFT, SAID DRIVE HEAD HAVING A PLURALITY OF CENTRIFUGAL LEVERS ADAPTED TO ACTUATE STUDS WHICH ARE AXIALLY MOVABLE IN THE DRIVE HEAD TO URGE SAID CLUTCH PLATE INTO ENGAGEMENT WITH SAID FRICTION PLATE, THE IMPROVEMENTS WHICH INCLUDE: A NOTCH IN EACH STUD, EACH NOTCH CHARACTERIZED BY AN INTERMEDIATE WALL SPACING A TRANSVERSE WALL AT ONE END AND A CAM SURFACE AT THE OTHER END, SAID CAM SURFACE INCLINED IN TWO DIFFERENT DIRECTIONS, A FIRST DIRECTION INCLINED TO THE LONGITUDINAL AXIS OF THE STUD AND A SECOND DIRECTION INCLINED TO THE TRANSVERSE AXIS OF THE STUD, SAID SPACED TRANSVERSE WALL FURTHER INCLINED TO THE TRANSVERSE AXIS OF THE STUD IN SUBSTANTIALLY THE SAME MANNER AS THE TRANSVERSE INCLINE OF THE CAM SURFACE SO THAT SAID TRANSVERSE INCLINE OF THE CAM SURFACE IS SUBSTANTIALLY PARALLEL TO THE TRANSVERSE INCLINE OF THE WALL.
References Cited (Backward Citations)
US1670877A
Cited
US2491003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |