Patent US4900059A successfully refreshed from Google Patents.
US3232118A
Expired / Lapsed
US
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Method and means for the compensation of journalling faults in workpiece-balancing operations
Assignee: Carl Schenck AG
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Filing: 1961-08-25
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Granted: 1966-02-01
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Expires: 1981-08-25
Abstract
No abstract record available.
Inventors
- 👤 Hack Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:35
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/02; G01M1/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
APPARATUS FOR DETERMINING UNBALANCE OF A WORKPIECE, COMPRISING A STATIONARY SUPPORT, A STRUCTURE OSCILLATORILY MOUNTED ON SAID SUPPORT, WORKPIECE-HOLDING MEANS COMPRISING A DRIVE SHAFT JOURNALLED ON SAID STRUCTURE FOR IMPARTING ROTATION TO THE WORKPIECE, A FIRST OSCILLATION PICKUP FIRMLY MOUNTED ON SAID STRUCTURE IN COACTIVE RELATION TO THE WORKPIECE ON SAID HOLDING MEANS AND HAVING A VOLTAGE RESPONSIVE TO JOURNALLING ERROR OF THE WORKPIECE, A SECOND OSCILLATION PICKUP FIRMLY MOUNTED ON SAID SUPPORT IN COACTIVE RELATION TO SAID STRUCTURE AND HAVING A VOLTAGE RESPONSIVE TO OSCILLATION OF SAID STRUCTURE DUE TO JOURNALLING ERROR AS WELL AS TO INHERENT UNBALANCE OF THE WORKPIECE, A PHASE-REFERENCE TRANSMITTER CONNECTED WITH SAID HOLDING MEANS TO BE DRIVEN TOGETHER
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |