US3193086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt training in conveyor systems
Assignee: Rohm and Haas Co
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Filing: 1961-06-27
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Granted: 1965-07-06
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Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Kurt E Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:31
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/10; B65G39/12; B65G39/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
253 words
A DEVICE FOR MAINTAINING A BAND BELT TRAINED OVER THE CENTRAL PORTION OF THE BEND PULLEY IN A BELT CONVEYOR SYSTEM HAVING MEANS AT ONE END OF THE BEND PULLEY SHAFT FOR SWINGING THE SHAFT AXIS OF THE PULLEY IN A PLANE GENERALLY PARALLEL TO THE SUPPORTING SURFACE OF THE BELT, SAID DEVICE COMPRISING FIRST REVERSIBLE DRIVE MEAN COUPLED TO SWING THE BEND PULLEY AXIS AND THEREBY CAUSE LATERAL SHIFTING OF THE BELT ON THE BEND PULLEY, FIRST SENSING MEANS OPERABLE BETWEEN TWO ACTUATED CONDITIONS BY LATERAL SHIFTING OF THE BELT ON THE BEND PULLEY, SAID SENSING MEANS BEING CONNECTED TO OPERATE SAID DRIVE MEANS IN ONE DIRECTION WHEN IN ONE ACTUATED CONDITION AND OPERATE SAID DRIVE MEANS IN THE OPPOSITE DIRECTION WHEN IN THE OTHER ACTUATED CONDITIONS, MOVABLE MOUNTING MEANS CARRYING SAID SENSING MEANS TO MOVE SAID SENSING MEANS RELATIVE TO THE EDGE OF THE BELT, SAID DRIVE MEANS BEING COUPLED TO MOVE SAID MOUNTING MEANS OPPOSITE TO THE DIRECTION OF LATERAL SHIFTING OF THE BELT CAUSED BY SAID DRIVE MEANS SWINGING THE BEND PULLEY AXIS, SECOND REVERSIBLE DRIVE MEANS COUPLED TO COOPERATE WITH SAID FIRST DRIVE MEANS IN MOVING SAID MOUNGING MEANS AND SECOND SENSING MEANS FIXEDLY MOUNTED TO BE OPERABLE BETWEEN TWO ACTUATED CONDITIONS BY LATERAL SHIFTING OF THE BELT ON THE BEND PULLEY, SAID SECOND SENSING MEANS BEING CONNECTED TO OPERATE SAID SECOND DRIVE MEANS IN ONE DIRECTION WHEN IN ONE ACTUATED CONDITION AND OPERATE SAID SECOND DRIVE MEANS IN THE OPPOSITE DIRECTION WHEN IN THE OTHER ACTUATED CONDITION.
Claim 2
Independent Claim
253 words
A DEVICE FOR MAINTAINING A BAND BELT TRAINED OVER THE CENTRAL PORTION OF THE BEND PULLEY IN A BELT CONVEYOR SYSTEM HAVING MEANS AT ONE END OF THE BEND PULLEY SHAFT FOR SWINGING THE SHAFT AXIS OF THE PULLEY IN A PLANE GENERALLY PARALLEL TO THE SUPPORTING SURFACE OF THE BELT, SAID DEVICE COMPRISING FIRST REVERSIBLE DRIVE MEAN COUPLED TO SWING THE BEND PULLEY AXIS AND THEREBY CAUSE LATERAL SHIFTING OF THE BELT ON THE BEND PULLEY, FIRST SENSING MEANS OPERABLE BETWEEN TWO ACTUATED CONDITIONS BY LATERAL SHIFTING OF THE BELT ON THE BEND PULLEY, SAID SENSING MEANS BEING CONNECTED TO OPERATE SAID DRIVE MEANS IN ONE DIRECTION WHEN IN ONE ACTUATED CONDITION AND OPERATE SAID DRIVE MEANS IN THE OPPOSITE DIRECTION WHEN IN THE OTHER ACTUATED CONDITIONS, MOVABLE MOUNTING MEANS CARRYING SAID SENSING MEANS TO MOVE SAID SENSING MEANS RELATIVE TO THE EDGE OF THE BELT, SAID DRIVE MEANS BEING COUPLED TO MOVE SAID MOUNTING MEANS OPPOSITE TO THE DIRECTION OF LATERAL SHIFTING OF THE BELT CAUSED BY SAID DRIVE MEANS SWINGING THE BEND PULLEY AXIS, SECOND REVERSIBLE DRIVE MEANS COUPLED TO COOPERATE WITH SAID FIRST DRIVE MEANS IN MOVING SAID MOUNGING MEANS AND SECOND SENSING MEANS FIXEDLY MOUNTED TO BE OPERABLE BETWEEN TWO ACTUATED CONDITIONS BY LATERAL SHIFTING OF THE BELT ON THE BEND PULLEY, SAID SECOND SENSING MEANS BEING CONNECTED TO OPERATE SAID SECOND DRIVE MEANS IN ONE DIRECTION WHEN IN ONE ACTUATED CONDITION AND OPERATE SAID SECOND DRIVE MEANS IN THE OPPOSITE DIRECTION WHEN IN THE OTHER ACTUATED CONDITION.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |