US3287979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing system
Assignee: Motors Liquidation Co
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Filing: 1964-06-25
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Granted: 1966-11-29
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Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 Howard R Dohring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:18
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/12; G01M1/02; G01M1/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
IN APPARATUS FOR DETERMINING THE UNBALANCE IN A WORKPIECE, THE COMBINATION OF A WORKPIECE SUPPORT HAVING AN ANNULAR CONTROL FLANGE THEREON, MEANS UNIVERSALLY PIVOTING THE SUPPORT, MEANS SENSING THE ANGULAR DISPOSITION OF THE SUPPORT, THE SENSING MEANS INCLUDING A SOURCE OF FLUID PRESSURE, A TRANSFER MEMBER HAVING AN ANNULAR CHAMBER THEREIN ARRANGED TO RECEIVE THE CONTROL FLANGE ON THE WORKPIECE SUPPORT, THE ANNULAR CHAMBER HAVING AN INPUT CONNECTED TO THE SOURCE AND AN OUTPUT, THE CONTROL FLANGE BEING SO ARRANGED RELATIVE TO THE CHAMBER AND THE INLET AND THE OUTLET AS TO VARY THE PRESSURE THEREACROSS IN ACCORDANCE WITH THE ANGULAR DISPOSITION OF THE SUPPORT AT A SERIES OF CIRCUMFERENTIALLY SPACED POINTS, AND MEANS SENSING THE PRESSURES AT THE SPACED POINTS FOR INDICATING THE AMOUNT OF STATIC UNBALANCE IN THE WORKPIECE AND THE ANGULAR DISPOSITION THEREOF.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |