US3248960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed drive transmission
Assignee: ROLLER GEAR Ltd
•
Filing: 1959-11-13
•
Granted: 1966-05-03
•
Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Schottler Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:55
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H37/086; F16H15/00; F16H15/48; F16H15/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A VARIABLE SPEED DRIVE TRANSMISSION COMPRISING A DRIVING SHAFT, A DRIVEN SHAFT COAXIAL WITH SAID DRIVING SHAFT, A PAIR OF INNER RACES, A PAIR OF OUTER RACES, ONE OF SAID PAIRS OF RACES BEING OPERATIVELY COUPLED TO SAID DRIVING SHAFT, THE OTHER PAIR OF SAID RACES BEING OPERATIVELY COUPLED TO SAID DRIVEN SHAFT, SAID RACES FORMING AN ANNULAR GROOVE, A PLURALITY OF BALLS IN FIXED CIRCUMFERENTIAL SPACED RELATIONSHIP RADIALLY DISPLACEABLY SUPPORTED IN SAID GROOVE FOR FREE ROLLING MOVEMENT IN CONTACT WITH SAID PAIRS OF RACES, THE RACES OF SAID OUTER PAIR BEING SYMMETRICALLY SHIFTABLE WITH RESPECT TO THE MEDIAN PLANE OF SAID BALLS, AT LEAST ONE RACE OF SAID INNER PAIR BEING AXIALLY DISPLACEABLE, ROLLERS ARRANGED CIRCUMFERENTIALLY BETWEEN, AND IN CONTACT WITH, SAID BALLS, AND
Claim 2
Dependent Claim
125 words
A VARIABLE SPEED DRIVE TRANSMISSION COMPRISING A DRIVING SHAFT, A DRIVEN SHAFT COAXIAL WITH SAID DRIVING SHAFT, A PAIR OF INNER RACES, A PAIR OF OUTER RACES, ONE OF SAID PAIRS OF RACES BEING OPERATIVELY COUPLED TO SAID DRIVING SHAFT, THE OTHER PAIR OF SAID RACES BEING OPERATIVELY COUPLED TO SAID DRIVEN SHAFT, SAID RACES FORMING AN ANNULAR GROOVE, A PLURALITY OF BALLS IN FIXED CIRCUMFERENTIAL SPACED RELATIONSHIP RADIALLY DISPLACEABLY SUPPORTED IN SAID GROOVE FOR FREE ROLLING MOVEMENT IN CONTACT WITH SAID PAIRS OF RACES, THE RACES OF SAID OUTER PAIR BEING SYMMETRICALLY SHIFTABLE WITH RESPECT TO THE MEDIAN PLANE OF SAID BALLS, AT LEAST ONE RACE OF SAID INNER PAIR BEING AXIALLY DISPLACEABLE, ROLLERS ARRANGED CIRCUMFERENTIALLY BETWEEN, AND IN CONTACT WITH, SAID BALLS, AND
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |