Patent US3333649A successfully refreshed from Google Patents.
US3333649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight indicator zero-adjustment apparatus for belt conveyor
Assignee: CompuDyne Corp
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Filing: 1964-11-27
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Granted: 1967-08-01
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Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Schafsteller Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:31
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/006; G01G11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A WEIGHT INDICATOR ZERO-ADJUSTMENT APPARATUS FOR A BELT CONVEYOR COMPRISING: AN ELECTRICAL DEVICE HAVING AN ADJUSTABLE AVERAGE ZERO SET POINT FOR MEASURING THE WEIGHT OF SEQUENTIAL SECTIONS OF THE CONVEYOR AND PRODUCING AN ELECTRICAL OUTPUT REPRESENTATIVE OF THE WEIGHT OF SEQUENTIAL SECTIONS OF THE CONVEYOR AND ITS LOAD MEASURED BY THE ELECTRICAL DEVICE RELATIVE TO SAID AVERAGE ZERO SET POINT; A ZERO ADJUSTMENT MEANS ASSOCIATED WITH THE ELECTRICAL DEVICE TO ADJUST THE AVERAGE ZERO SET POINT OF THE ELECTRICAL DEVICE; MOTOR AND MEMORY MEANS TO RESPOND TO THE ELECTRICAL DEVICE TO ADDITIVELY ACCUMULATE INSTANTANEOUS DEVIATION FROM IN THE ZERO SET POINT AND TO READJUST THE ZERO ADJUSTMENT MEANS TO CORRECT ERROR DETECTED IN THE AVERAGE ZERO SET POINT AND COUPLING MEANS TO COUPLE SELECTIVELY THE ELECTRICAL DEVICE TO THE MOTOR AND MEMORY MEANS FOR A PREDETERMINED NUMBER OF FULL REVOLUTIONS OF THE CONVEYOR IN ORDER TO POSITION THE MEMORY MEANS TO REPRESENT THE AVERAGE ERROR PER REVOLUTION IN THE ZERO SET AND TO COUPLE SUBSEQUENTLY THE DRIVE MEANS TO A POWER SOURCE AND THE DRIVE MEANS TO THE ZERO ADJUSTMENT MEANS FOR ADJUSTING THE ZERO ADJUSTMENT MEANS BY AN AMOUNT REPRESENTATIVE OF THE NEGATIVE OF THE AVERAGE ERROR PER REVOLUTION.
Claim 2
Dependent Claim
200 words
A WEIGHT INDICATOR ZERO-ADJUSTMENT APPARATUS FOR A BELT CONVEYOR COMPRISING: AN ELECTRICAL DEVICE HAVING AN ADJUSTABLE AVERAGE ZERO SET POINT FOR MEASURING THE WEIGHT OF SEQUENTIAL SECTIONS OF THE CONVEYOR AND PRODUCING AN ELECTRICAL OUTPUT REPRESENTATIVE OF THE WEIGHT OF SEQUENTIAL SECTIONS OF THE CONVEYOR AND ITS LOAD MEASURED BY THE ELECTRICAL DEVICE RELATIVE TO SAID AVERAGE ZERO SET POINT; A ZERO ADJUSTMENT MEANS ASSOCIATED WITH THE ELECTRICAL DEVICE TO ADJUST THE AVERAGE ZERO SET POINT OF THE ELECTRICAL DEVICE; MOTOR AND MEMORY MEANS TO RESPOND TO THE ELECTRICAL DEVICE TO ADDITIVELY ACCUMULATE INSTANTANEOUS DEVIATION FROM IN THE ZERO SET POINT AND TO READJUST THE ZERO ADJUSTMENT MEANS TO CORRECT ERROR DETECTED IN THE AVERAGE ZERO SET POINT AND COUPLING MEANS TO COUPLE SELECTIVELY THE ELECTRICAL DEVICE TO THE MOTOR AND MEMORY MEANS FOR A PREDETERMINED NUMBER OF FULL REVOLUTIONS OF THE CONVEYOR IN ORDER TO POSITION THE MEMORY MEANS TO REPRESENT THE AVERAGE ERROR PER REVOLUTION IN THE ZERO SET AND TO COUPLE SUBSEQUENTLY THE DRIVE MEANS TO A POWER SOURCE AND THE DRIVE MEANS TO THE ZERO ADJUSTMENT MEANS FOR ADJUSTING THE ZERO ADJUSTMENT MEANS BY AN AMOUNT REPRESENTATIVE OF THE NEGATIVE OF THE AVERAGE ERROR PER REVOLUTION.
References Cited (Backward Citations)
US3081830A
Cited
US3209846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |