US3234786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic torque measuring device
Assignee: Motors Liquidation Co
•
Filing: 1963-04-01
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Granted: 1966-02-15
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Howard W Christenson
- 👤 William G Livezey
- 👤 William E Schilke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:29
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A TORQUE MEASURING DEVICE, A CYLINDER HAVING OPPOSED CLOSED END PORTIONS, A PISTON IN SAID CYLINDER HAVING OPPOSED FACES, TORQUE MEANS MOVED IN OPPOSITE DIRECTIONS BY TORQUE IN OPPOSITE DIRECTIONS CONNECTED TO SAID PISTON, A SOURCE OF FLUID UNDER PRESSURE, SAID CYLINDER AND PISTON HAVING COOPERATING VALVE MEANS CONNECTING SAID SOURCE TO EXHAUST UNDER NO TORQUE CONDITIONS, AND PROVIDING A PRESSURE PROPORTIONAL TO THE TORQUE IN ONE DIRECTION AT ONE END PORTION OF SAID CYLINDER AND PROPORTIONAL TO THE TORQUE IN THE OTHER DIRECTION AT THE OTHER END PORTION OF SAID CYLINDER, AND PRESSURE SENSING MEANS CONNECTED TO SAID OPPOSED CLOSED END PORTIONS OF SAID CYLINDER TO SENSE TORQUE.
Claim 2
Dependent Claim
110 words
IN A TORQUE MEASURING DEVICE, A CYLINDER HAVING OPPOSED CLOSED END PORTIONS, A PISTON IN SAID CYLINDER HAVING OPPOSED FACES, TORQUE MEANS MOVED IN OPPOSITE DIRECTIONS BY TORQUE IN OPPOSITE DIRECTIONS CONNECTED TO SAID PISTON, A SOURCE OF FLUID UNDER PRESSURE, SAID CYLINDER AND PISTON HAVING COOPERATING VALVE MEANS CONNECTING SAID SOURCE TO EXHAUST UNDER NO TORQUE CONDITIONS, AND PROVIDING A PRESSURE PROPORTIONAL TO THE TORQUE IN ONE DIRECTION AT ONE END PORTION OF SAID CYLINDER AND PROPORTIONAL TO THE TORQUE IN THE OTHER DIRECTION AT THE OTHER END PORTION OF SAID CYLINDER, AND PRESSURE SENSING MEANS CONNECTED TO SAID OPPOSED CLOSED END PORTIONS OF SAID CYLINDER TO SENSE TORQUE.
References Cited (Backward Citations)
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US2233498A
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US2444363A
Cited
US2581239A
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US2783645A
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |