US3138033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic belt tensioner for expansible upsilon-pulley drive
Assignee: Reliance Electric and Engineering Co
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Filing: 1962-10-12
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Granted: 1964-06-23
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Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
- 👤 Woodrow R Glasson
- 👤 Voss Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
358 words
IN A SPEED-VARYING TRANSMISSION OF THE TYPE INCLUDING AN INPUT SHAFT AND AN OUTPUT SHAFT JOURNALLED ON SPACED, PARALLEL AXES, A PAIR OF CONED DISCS MOUNTED ON SAID INPUT SHAFT FOR ROTATION AND OPPOSITE AXIAL RECIPROCATION ON THE AXIS OF SAID INPUT SHAFT WITH THEIR CONED SURFACES IN FACING RELATION, A PAIR OF CONED DISCS MOUNTED ON SAID OUTPUT SHAFT FOR ROTATION AND OPPOSITE AXIAL RECIPROCATION WITH THEIR CONED SURFACES IN FACING RELATION, THE FIRST DISC OF ONE OF SAID PAIRS AND THE FIRST DISC OF THE OTHER OF SAID PAIRS FACING IN A COMMON DIRECTION AND THE SECOND DISC OF SAID ONE PAIR AND THE SECOND DISC OF SAID SECOND PAIR FACING COMMONLY IN THE OPPOSITE DIRECTION, AN EDGE-ACTIVE BELT TRAINED OVER SAID DISC PAIRS TO PROVIDE A DRIVING CONNECTION THEREBETWEEN, A FIRST LEVER MOUNTED TO SWING IN A PLANE PARALLEL WITH THE PLANE COMMON TO SAID SHAFT AXES ABOUT A PIVOTAL AXIS INTERMEDIATE SAID SHAFT AXES AND HAVING AN OPERATIVE CONNECTION WITH THE FIRST DISC OF EACH PAIR TO URGE EITHER OF SAID FIRST DISCS TOWARD ITS FELLOW, AND A SECOND LEVER MOUNTED TO SWING IN A PLANE PARALLEL WITH THE PLANE COMMON TO SAID SHAFT AXES ABOUT A PIVOTAL AXIS INTERMEDIATE SAID SHAFT AXES AND HAVING AN OPERATIVE CONNECTION WITH THE SECOND DISC OF EACH PAIR TO URGE EITHER OF SAID SECOND DISCS TOWARD ITS FELLOW; THE INVENTION WHICH COMPRISES MOUNTING MEANS FOR SAID PIVOTAL AXES INCLUDING A SCREW SHAFT JOURNALLED ON AN AXIS BETWEEN AND SUBSTANTIALLY PARALLEL WITH SAID SHAFT AXES AND EXTENDING OPPOSITELY BEYOND SAID BELT, A ONE-PIECE BLOCK SLIDABLY MOUNTED ON SAID SCREW SHAFT AT EACH SIDE OF SAID BELT, EACH SUCH BLOCK CARRYING ONE OF SAID PIVOTAL AXES, ABUTMENT MEANS FOR EACH SUCH BLOCK, EACH SUCH ABUTMENT MEANS BEING THREADEDLY MOUNTED ON SAID SCREW SHAFT AND BODILY SPACED FROM ITS ASSOCIATED BLOCK AT A POINT MORE REMOTE FROM SAID BELT THAN IS ITS ASSOCIATED BLOCK, AND SPRING MEANS CONFINED BETWEEN EACH BLOCK AND ITS ASSOCIATED ABUTMENT MEANS TO URGE SAID BLOCKS RESILIENTLY TOWARD SAID BELT, THE THREADED ASSOCIATION OF SAID ABUTMENT MEANS RESPECTIVELY ON SAID SCREW SHAFT BEING OF OPPOSITE HAND.
Claim 2
Dependent Claim
358 words
IN A SPEED-VARYING TRANSMISSION OF THE TYPE INCLUDING AN INPUT SHAFT AND AN OUTPUT SHAFT JOURNALLED ON SPACED, PARALLEL AXES, A PAIR OF CONED DISCS MOUNTED ON SAID INPUT SHAFT FOR ROTATION AND OPPOSITE AXIAL RECIPROCATION ON THE AXIS OF SAID INPUT SHAFT WITH THEIR CONED SURFACES IN FACING RELATION, A PAIR OF CONED DISCS MOUNTED ON SAID OUTPUT SHAFT FOR ROTATION AND OPPOSITE AXIAL RECIPROCATION WITH THEIR CONED SURFACES IN FACING RELATION, THE FIRST DISC OF ONE OF SAID PAIRS AND THE FIRST DISC OF THE OTHER OF SAID PAIRS FACING IN A COMMON DIRECTION AND THE SECOND DISC OF SAID ONE PAIR AND THE SECOND DISC OF SAID SECOND PAIR FACING COMMONLY IN THE OPPOSITE DIRECTION, AN EDGE-ACTIVE BELT TRAINED OVER SAID DISC PAIRS TO PROVIDE A DRIVING CONNECTION THEREBETWEEN, A FIRST LEVER MOUNTED TO SWING IN A PLANE PARALLEL WITH THE PLANE COMMON TO SAID SHAFT AXES ABOUT A PIVOTAL AXIS INTERMEDIATE SAID SHAFT AXES AND HAVING AN OPERATIVE CONNECTION WITH THE FIRST DISC OF EACH PAIR TO URGE EITHER OF SAID FIRST DISCS TOWARD ITS FELLOW, AND A SECOND LEVER MOUNTED TO SWING IN A PLANE PARALLEL WITH THE PLANE COMMON TO SAID SHAFT AXES ABOUT A PIVOTAL AXIS INTERMEDIATE SAID SHAFT AXES AND HAVING AN OPERATIVE CONNECTION WITH THE SECOND DISC OF EACH PAIR TO URGE EITHER OF SAID SECOND DISCS TOWARD ITS FELLOW; THE INVENTION WHICH COMPRISES MOUNTING MEANS FOR SAID PIVOTAL AXES INCLUDING A SCREW SHAFT JOURNALLED ON AN AXIS BETWEEN AND SUBSTANTIALLY PARALLEL WITH SAID SHAFT AXES AND EXTENDING OPPOSITELY BEYOND SAID BELT, A ONE-PIECE BLOCK SLIDABLY MOUNTED ON SAID SCREW SHAFT AT EACH SIDE OF SAID BELT, EACH SUCH BLOCK CARRYING ONE OF SAID PIVOTAL AXES, ABUTMENT MEANS FOR EACH SUCH BLOCK, EACH SUCH ABUTMENT MEANS BEING THREADEDLY MOUNTED ON SAID SCREW SHAFT AND BODILY SPACED FROM ITS ASSOCIATED BLOCK AT A POINT MORE REMOTE FROM SAID BELT THAN IS ITS ASSOCIATED BLOCK, AND SPRING MEANS CONFINED BETWEEN EACH BLOCK AND ITS ASSOCIATED ABUTMENT MEANS TO URGE SAID BLOCKS RESILIENTLY TOWARD SAID BELT, THE THREADED ASSOCIATION OF SAID ABUTMENT MEANS RESPECTIVELY ON SAID SCREW SHAFT BEING OF OPPOSITE HAND.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |