US3131801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical type endless conveyor
Assignee: Buehler AG
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Filing: 1961-04-03
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Granted: 1964-05-05
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Marchetti Augusto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:51
CPC Classifications
F; F26; F26B; F26B15/00; F26B15/10; F26B15/12; F26B15/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A DEVICE FOR TRANSFERRING OBJECTS FROM A FIRST CONVEYING MEANS AT ONE LEVEL MOVING IN ONE DIRECTION TO A SECOND CONVEYING MEANS DISPOSED AT ANOTHER LEVEL MOVING IN THE OPPOSITE DIRECTION WITH RESPECT TO SAID FIRST CONVEYING MEANS COMPRISING AT LEAST TWO SUBSTANTIALLY VERTICAL COPLANAR WHEEL MEANS, EACH HAVING A DIFFERENT DIAMETER, AN ENDLESS CHAIN MEANS CARRIED BY SAID WHEEL MEANS, BRACKET MEANS HAVING ONE END MOUNTED ON SAID ENDLESS CHAIN MEANS AND EXTENDING INWARDLY OF THE AREA AND PATH CIRCUMSCRIBED BY SAID ENDLESS CHAIN MEANS, SAID BRACKET MEANS HAVING AN OPPOSITE END WHICH IS DISPOSED TO CIRCUMSCRIBE A CONTINUOUS INTERSECTING PATH DISPOSED INWARDLY OF SAID ENDLESS CHAIN MEANS PATH, TRANSFERRING MEANS PIVOTALLY DISPOSED ON SAID OPPOSITE END OF SAID BRACKET MEANS AND POSITIONED TO FOLLOW ALONG SAID CONTINUOUS INTERSECTING PATH, MEANS CAUSING SAID TRANSFERRING MEANS TO INTERSECT THE PATH TRACED BY ITSELF AT A POINT BETWEEN THE LEVELS OF ONE OF SAID CONVEYING MEANS WHILE CROSSING EACH CONVEYING MEANS ONCE DURING THE TRANSFER OF AN OBJECT FROM ONE CONVEYING MEANS TO THE OTHER.
Claim 2
Independent Claim
174 words
A DEVICE FOR TRANSFERRING OBJECTS FROM A FIRST CONVEYING MEANS AT ONE LEVEL MOVING IN ONE DIRECTION TO A SECOND CONVEYING MEANS DISPOSED AT ANOTHER LEVEL MOVING IN THE OPPOSITE DIRECTION WITH RESPECT TO SAID FIRST CONVEYING MEANS COMPRISING AT LEAST TWO SUBSTANTIALLY VERTICAL COPLANAR WHEEL MEANS, EACH HAVING A DIFFERENT DIAMETER, AN ENDLESS CHAIN MEANS CARRIED BY SAID WHEEL MEANS, BRACKET MEANS HAVING ONE END MOUNTED ON SAID ENDLESS CHAIN MEANS AND EXTENDING INWARDLY OF THE AREA AND PATH CIRCUMSCRIBED BY SAID ENDLESS CHAIN MEANS, SAID BRACKET MEANS HAVING AN OPPOSITE END WHICH IS DISPOSED TO CIRCUMSCRIBE A CONTINUOUS INTERSECTING PATH DISPOSED INWARDLY OF SAID ENDLESS CHAIN MEANS PATH, TRANSFERRING MEANS PIVOTALLY DISPOSED ON SAID OPPOSITE END OF SAID BRACKET MEANS AND POSITIONED TO FOLLOW ALONG SAID CONTINUOUS INTERSECTING PATH, MEANS CAUSING SAID TRANSFERRING MEANS TO INTERSECT THE PATH TRACED BY ITSELF AT A POINT BETWEEN THE LEVELS OF ONE OF SAID CONVEYING MEANS WHILE CROSSING EACH CONVEYING MEANS ONCE DURING THE TRANSFER OF AN OBJECT FROM ONE CONVEYING MEANS TO THE OTHER.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |