US3142887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a split annular tolerance ring
Assignee: Bosch Rexroth AG
•
Filing: 1960-09-14
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Granted: 1964-08-04
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Expires: 1980-09-14
Abstract
No abstract record available.
Inventors
- 👤 Hulck Karl
- 👤 Schultes Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
F; F16; F16C; F16C27/00; F16C27/04; B; B21; B21D; B21D53/00; B21D53/10; B21D53/16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0829; F16D1/0835; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49789; Y10T29/49798
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF MAKING A SPLIT ANNULAR TOLERANCE RING HAVING PERIPHERAL CORRUGATIONS THEREIN SAID CORRUGATIONS BEING ELONGATED AXIALLY OF THE ANNULAR RING AND HAVING ARCUATE CONTACT SURFACES COOPERATIVELY PRESENTING A GENERALLY SINUSOIDAL OVERALL PERIPHERAL SURFACE, COMPRISING THE STEPS OF CORRUGATING A STEEL STRIP TO FORM THE CORRUGATIONS THEREOF TO SUBSTANTIALLY THEIR FINISHED CONFIGURATION, FORMING THE CORRUGATED STRIP INTO A COIL, HEAT TREATING THE COIL OF CORRUGATED STRIP, SEVERING FROM SAID HEAT TREATED COIL LENGTHS OF CORRUGATED STRIP SUFFICIENT TO FORM AN ANNULAR RING OF THE DESIRED DIMENSION, AND FORMING THE SEVERED LENGTH OF HEAT TREATED AND CORRUGATED STRIP INTO A SPLIT ANNULAR RING.
Claim 2
Independent Claim
103 words
A METHOD OF MAKING A SPLIT ANNULAR TOLERANCE RING HAVING PERIPHERAL CORRUGATIONS THEREIN SAID CORRUGATIONS BEING ELONGATED AXIALLY OF THE ANNULAR RING AND HAVING ARCUATE CONTACT SURFACES COOPERATIVELY PRESENTING A GENERALLY SINUSOIDAL OVERALL PERIPHERAL SURFACE, COMPRISING THE STEPS OF CORRUGATING A STEEL STRIP TO FORM THE CORRUGATIONS THEREOF TO SUBSTANTIALLY THEIR FINISHED CONFIGURATION, FORMING THE CORRUGATED STRIP INTO A COIL, HEAT TREATING THE COIL OF CORRUGATED STRIP, SEVERING FROM SAID HEAT TREATED COIL LENGTHS OF CORRUGATED STRIP SUFFICIENT TO FORM AN ANNULAR RING OF THE DESIRED DIMENSION, AND FORMING THE SEVERED LENGTH OF HEAT TREATED AND CORRUGATED STRIP INTO A SPLIT ANNULAR RING.
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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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |