Patent US3167175A successfully refreshed from Google Patents.
US3167175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning conveyor mechanism
Assignee: KOOLS BROTHERS Inc
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Filing: 1961-08-14
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Granted: 1965-01-26
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Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 Edward V Kools
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:25
CPC Classifications
B; B65; B65G; B65G45/00; B65G45/10; B65G45/12; B65G45/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A SELF-CLEANING CONVEYOR MECHANISM, A SHAFT, A SPROCKET WHEEL MOUNTED ON SAID SHAFT TO ROTATE ABOUT THE LONGITUDINAL AXIS THEREOF, SAID SPROCKET WHEEL HAVING ITS AXIS AT A SUBSTANTIAL ANGLE RELATIVE TO THE LONGITUDINAL AXIS OF SAID SHAFT, AND A CONVEYOR CHAIN HAVING LINKS ENGAGAED BY SAID SPROCKET WHEEL, SAID CONVEYOR CHAIN LINK HAVING OPENINGS FOR RECEIVING THE SPROCKET TEETH OF SAID SPROCKET WHEEL, SAID OPENINGS BEING SUBSTANTIALLY WIDER THAN THE WIDTH OF SAID SPROCKET TEETH, AND SAID CONVEYOR CHAIN BEING RESTRAINED AGAINST SUBSTANTAIL LATERAL MOVEMENT SO THAT THE SPROCKET TEETH MOVE BACK AND FORTH WITHIN THE LINK OPENINGS TO CLEAR DEBRIS THEREFROM.
Claim 2
Dependent Claim
104 words
IN A SELF-CLEANING CONVEYOR MECHANISM, A SHAFT, A SPROCKET WHEEL MOUNTED ON SAID SHAFT TO ROTATE ABOUT THE LONGITUDINAL AXIS THEREOF, SAID SPROCKET WHEEL HAVING ITS AXIS AT A SUBSTANTIAL ANGLE RELATIVE TO THE LONGITUDINAL AXIS OF SAID SHAFT, AND A CONVEYOR CHAIN HAVING LINKS ENGAGAED BY SAID SPROCKET WHEEL, SAID CONVEYOR CHAIN LINK HAVING OPENINGS FOR RECEIVING THE SPROCKET TEETH OF SAID SPROCKET WHEEL, SAID OPENINGS BEING SUBSTANTIALLY WIDER THAN THE WIDTH OF SAID SPROCKET TEETH, AND SAID CONVEYOR CHAIN BEING RESTRAINED AGAINST SUBSTANTAIL LATERAL MOVEMENT SO THAT THE SPROCKET TEETH MOVE BACK AND FORTH WITHIN THE LINK OPENINGS TO CLEAR DEBRIS THEREFROM.
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |