US3159042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller support mechanism for toroidal drive
Assignee: Excelermatic Inc
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Filing: 1963-03-19
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Granted: 1964-12-01
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Expires: 1983-03-19
Abstract
No abstract record available.
Inventors
- 👤 Charles E Kraus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:16
CPC Classifications
F; F16; F16H; F16H13/00; F16H13/10; F16H13/14; F16H15/00; F16H15/02; F16H15/04; F16H15/06; F16H15/32; F16H15/36; F16H15/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A VARIABLE SPEED-RATIO TRANSMISSION HAVING CO-AXIAL INPUT AND OUTPUT MEMBERS WITH FACING TORIC SURFACES HAVING A SUBSTANTIALLY COMMON TORIC CENTER CIRCLE; A PLURALITY OF CIRCUMFERENTIALLY-SPACED ROLLERS DISPOSED BETWEEN AND HAVING CONTACT PRESSURE ENGAGEMENT WITH SAID SURFACES FOR TRANSMITTING TORQUE FROM THE INPUT MEMBER TO THE OUTPUT MEMBER; A PLURALITY OF CIRCUMFERENTIALLYSPACED PIVOT SHAFTS EACH DISPOSED SUBSTANTIALLY TANGENT TO SAID TORIC CENTER CIRCLE, THERE BEING ONE PIVOT SHAFT FOR EACH ROLLER WITH EACH ROLLER BEING DISPOSED RADIALLY INWARDLY OF ITS PIVOT SHAFT RELATIVE TO THE TRANSMISSION AXIS AND OPERATIVELY CONNECTED THERETO FOR SUPPORT THEREBY SO THAT PRESSURE OF SAID TORIC SURFACES AGAINST THE ROLLERS IS EFFECTIVE TO URGE EACH ROLLER RADIALLY OUTWARDLY TOWARD ITS PIVOT SHAFT; EACH ROLLER PIVOT SHAFT BEING ROTAT-
Claim 2
Dependent Claim
121 words
A VARIABLE SPEED-RATIO TRANSMISSION HAVING CO-AXIAL INPUT AND OUTPUT MEMBERS WITH FACING TORIC SURFACES HAVING A SUBSTANTIALLY COMMON TORIC CENTER CIRCLE; A PLURALITY OF CIRCUMFERENTIALLY-SPACED ROLLERS DISPOSED BETWEEN AND HAVING CONTACT PRESSURE ENGAGEMENT WITH SAID SURFACES FOR TRANSMITTING TORQUE FROM THE INPUT MEMBER TO THE OUTPUT MEMBER; A PLURALITY OF CIRCUMFERENTIALLYSPACED PIVOT SHAFTS EACH DISPOSED SUBSTANTIALLY TANGENT TO SAID TORIC CENTER CIRCLE, THERE BEING ONE PIVOT SHAFT FOR EACH ROLLER WITH EACH ROLLER BEING DISPOSED RADIALLY INWARDLY OF ITS PIVOT SHAFT RELATIVE TO THE TRANSMISSION AXIS AND OPERATIVELY CONNECTED THERETO FOR SUPPORT THEREBY SO THAT PRESSURE OF SAID TORIC SURFACES AGAINST THE ROLLERS IS EFFECTIVE TO URGE EACH ROLLER RADIALLY OUTWARDLY TOWARD ITS PIVOT SHAFT; EACH ROLLER PIVOT SHAFT BEING ROTAT-
References Cited (Backward Citations)
US2856784A
Cited
US2907220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |