Patent US2500282A successfully refreshed from Google Patents.
Patent US3209846A successfully refreshed from Google Patents.
US3209846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing device for goods transported on a continuously movable conveyor path
Assignee: Individual
•
Filing: 1964-12-14
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Granted: 1965-10-05
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Karlen Nial Torbjorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:51
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/04; G01G11/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
AN APPARATUS FOR WEIGHING LOADS ON A CONTINUOUSLY MOVING CONVEYOR BELT AND COMPRISING A CONVEYOR BELT INCLUDING A PLURALITY OF ROLLERS SUPPORTING SAID BELT, A FIRST TACHOMETER GENERATOR DRIVINGLY CONNECTED TO ONE OF SAID RFOLLERS TO GENERATE AN OUTPUT VOLTAGE RESPONSIVE TO THE SPEED OF SAID BELT, A BRIDGE COUPLING HAVING A PLURALITY OF RESISTORS, ONE OF SAID RESISTORS HAVING A VARIABLE ELECTRICAL RESISTANCE, TWO OPPOSED POINTS OF SAID BRIDGE COUPLING CONNECTED TO THE OUTPUT VOLTAGE OF SAID FIRST TACHOMETER GENERATOR, MEANS FOR OPERATIVELY CONECTING SAID VARIABLE RESISTANCE RESISTOR TO ANOTHER OF SAID ROLLERS SO THAT THE RESISTANCE OF SAID RESISTOR IS RESPONSIVE TO THE WEIGHT OF SAID BELT AND A LOAD THEREON, THE OUTPUT OF SAID BRIDGE COUPLING BEING MEASURED ACROSS THE OTHER TWO OPPOSED POINTS AND BEING RESPONSIVE TO THE WEIGHT OF THE LOAD CARRIED ON SAID BELT PER UNIT TIME, A SERVO MOTOR INCLUDING A CONTROL ARRANGEMENT CONNECTED ACROSS SAID OTHER TWO OPPOSED POINTS OF SAID BRIDGE COUPLING, A SECOND TACHOMETER GENERATOR DRIVINGLY CONNECTED TO SAID SERVO MOTOR SO AS TO BE RESPONSIVE TO THE OUTPUT VOLTAGE OF SAID BRIDGE COUPLING TO PRODUCE AN OUTPUT VOLTAGE, SAID SECOND TACHTOMETER GENERATOR OUTPUT VOLTAGE BEING CONNECTED IN COUNTER COUPLING TO THE OUTPUT VOLTAGE OF SAID BRIDGE COUPLING.
Claim 2
Independent Claim
208 words
AN APPARATUS FOR WEIGHING LOADS ON A CONTINUOUSLY MOVING CONVEYOR BELT AND COMPRISING A CONVEYOR BELT INCLUDING A PLURALITY OF ROLLERS SUPPORTING SAID BELT, A FIRST TACHOMETER GENERATOR DRIVINGLY CONNECTED TO ONE OF SAID RFOLLERS TO GENERATE AN OUTPUT VOLTAGE RESPONSIVE TO THE SPEED OF SAID BELT, A BRIDGE COUPLING HAVING A PLURALITY OF RESISTORS, ONE OF SAID RESISTORS HAVING A VARIABLE ELECTRICAL RESISTANCE, TWO OPPOSED POINTS OF SAID BRIDGE COUPLING CONNECTED TO THE OUTPUT VOLTAGE OF SAID FIRST TACHOMETER GENERATOR, MEANS FOR OPERATIVELY CONECTING SAID VARIABLE RESISTANCE RESISTOR TO ANOTHER OF SAID ROLLERS SO THAT THE RESISTANCE OF SAID RESISTOR IS RESPONSIVE TO THE WEIGHT OF SAID BELT AND A LOAD THEREON, THE OUTPUT OF SAID BRIDGE COUPLING BEING MEASURED ACROSS THE OTHER TWO OPPOSED POINTS AND BEING RESPONSIVE TO THE WEIGHT OF THE LOAD CARRIED ON SAID BELT PER UNIT TIME, A SERVO MOTOR INCLUDING A CONTROL ARRANGEMENT CONNECTED ACROSS SAID OTHER TWO OPPOSED POINTS OF SAID BRIDGE COUPLING, A SECOND TACHOMETER GENERATOR DRIVINGLY CONNECTED TO SAID SERVO MOTOR SO AS TO BE RESPONSIVE TO THE OUTPUT VOLTAGE OF SAID BRIDGE COUPLING TO PRODUCE AN OUTPUT VOLTAGE, SAID SECOND TACHTOMETER GENERATOR OUTPUT VOLTAGE BEING CONNECTED IN COUNTER COUPLING TO THE OUTPUT VOLTAGE OF SAID BRIDGE COUPLING.
References Cited (Backward Citations)
US1777670A
Cited
US2746739A
Cited
US2927785A
Cited
US2954969A
Cited
US2990937A
Cited
US3115201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |