Patent US3320835A successfully refreshed from Google Patents.
US3320835A
Expired / Lapsed
US
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Bearing adjuster tool
Assignee: Timken Co
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Filing: 1964-10-19
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Granted: 1967-05-23
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Leonard H Flory
- 👤 Harry L Noll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:28
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B21/00; B25B21/002; B25B27/00; B25B27/0035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN AN AIR OPERATED MANUALLY CONTROLLED WRENCH FOR TIGHTENING AN ADJUSTABLE ELEMENT TO A PREDETERMINED TORQUE AND FOR THEREAFTER LOOSENING THE ELEMENT A PREDETERMINED AMOUNT, THE COMBINATION WHICH INCLUDES: A WRENCH AND WRENCH DRIVE SHAFT, AN AIR DRIVEN MOTOR REVERSIBLY OPERABLE; SAID WRENCH DRIVE SHAFT BEING DRIVEN BY SAID MOTOR IN A FIRST DIRECTION TO TIGHTEN AN ADJUSTABLE ELEMENT AND DRIVEN BY SAID MOTOR IN A SECOND DIRECTION REVERSE TO SAID FIRST DIRECTION; AND COIL SPRING CLUTCH MEANS OPERABLY CONNECTED BETWEEN SAID AIR MOTOR AND DRIVE SHAFT, SAID CLUTCH MEANS BEING CONSTRUCTED TO ALLOW FREEDOM OF ROTATION OF SAID DRIVE SHAFT IN THE FIRST DIRECTION SO THAT THE TIGHTENING OF THE ADJUSTABLE ELEMENT WILL STALL SAID MOTOR, AND SAID CLUTCH MEANS HAVING MEANS FOR LIMITING DRIVE SHAFT ROTATION IN THE SECOND DIRECTION TO A PREDETERMINED AMOUNT AND FOR STOPPING SHAFT ROTATION AFTER THE PREDETERMINED AMOUNT OF ROTATION IN SAID SECOND DIRECTION IS ACCOMPLISHED.
Claim 2
Dependent Claim
153 words
IN AN AIR OPERATED MANUALLY CONTROLLED WRENCH FOR TIGHTENING AN ADJUSTABLE ELEMENT TO A PREDETERMINED TORQUE AND FOR THEREAFTER LOOSENING THE ELEMENT A PREDETERMINED AMOUNT, THE COMBINATION WHICH INCLUDES: A WRENCH AND WRENCH DRIVE SHAFT, AN AIR DRIVEN MOTOR REVERSIBLY OPERABLE; SAID WRENCH DRIVE SHAFT BEING DRIVEN BY SAID MOTOR IN A FIRST DIRECTION TO TIGHTEN AN ADJUSTABLE ELEMENT AND DRIVEN BY SAID MOTOR IN A SECOND DIRECTION REVERSE TO SAID FIRST DIRECTION; AND COIL SPRING CLUTCH MEANS OPERABLY CONNECTED BETWEEN SAID AIR MOTOR AND DRIVE SHAFT, SAID CLUTCH MEANS BEING CONSTRUCTED TO ALLOW FREEDOM OF ROTATION OF SAID DRIVE SHAFT IN THE FIRST DIRECTION SO THAT THE TIGHTENING OF THE ADJUSTABLE ELEMENT WILL STALL SAID MOTOR, AND SAID CLUTCH MEANS HAVING MEANS FOR LIMITING DRIVE SHAFT ROTATION IN THE SECOND DIRECTION TO A PREDETERMINED AMOUNT AND FOR STOPPING SHAFT ROTATION AFTER THE PREDETERMINED AMOUNT OF ROTATION IN SAID SECOND DIRECTION IS ACCOMPLISHED.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |