US3351180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor trough gate
Assignee: Buehler AG
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Filing: 1966-06-28
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Granted: 1967-11-07
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Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Herzog Rene
- 👤 Landolf Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:37
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A TROUGH-TYPE CHAIN CONVEYOR FOR BULK MATERIAL COMPRISING, IN COMBINATION, A TROUGH HAVING A BOTTOM WALL FORMED WITH A DISCHARGE PORT THERETHROUGH; A CHAIN CONVEYOR HAVING A RUN EXTENDING LONGITUDINALLY OF SAID BOTTOM WALL FOR MOVING BULK MATERIAL TO SAID DISCHARGE PORT; A SLIDING GATE EXTENDING ALONG THE TROUGH AND ARRANGED TO CLOSE SAID PORT, AND HAVING A POSITION BENEATH SAID BOTTOM WALL WHEN SAID PORT IS OPEN; FIRST TRACK MEANS EXTENDING LONGITUDINALLY OF THE DIRECTION OF GATE MOVEMENT ADJACENT SAID PORT BENEATH SAID TROUGH; SECOND TRACK MEANS EXTENDING LONGITUDINALLY AWAY FROM AN END OF SAID PORT BENEATH SAID TROUGH; GUIDING MEANS SUPPORTING SAID GATE ON SAID TRACK MEANS FOR MOVEMENT BETWEEN PORT OPENING AND PORT CLOSING POSITIONS; DRIVING MEANS OPERATIVELY ASSOCIATED WITH SAID GATE FOR SUCH MOVEMENT OF THE LATTER; AND MEANS OPERATIVE BETWEEN SAID TRACK MEANS AND SAID GATE LIFTING SAID GATE INTO COPLANAR RELATION WITH SAID BOTTOM WALL AS SAID GATE IS MOVE TO THE PORT CLOSING POSITION.
Claim 2
Dependent Claim
161 words
A TROUGH-TYPE CHAIN CONVEYOR FOR BULK MATERIAL COMPRISING, IN COMBINATION, A TROUGH HAVING A BOTTOM WALL FORMED WITH A DISCHARGE PORT THERETHROUGH; A CHAIN CONVEYOR HAVING A RUN EXTENDING LONGITUDINALLY OF SAID BOTTOM WALL FOR MOVING BULK MATERIAL TO SAID DISCHARGE PORT; A SLIDING GATE EXTENDING ALONG THE TROUGH AND ARRANGED TO CLOSE SAID PORT, AND HAVING A POSITION BENEATH SAID BOTTOM WALL WHEN SAID PORT IS OPEN; FIRST TRACK MEANS EXTENDING LONGITUDINALLY OF THE DIRECTION OF GATE MOVEMENT ADJACENT SAID PORT BENEATH SAID TROUGH; SECOND TRACK MEANS EXTENDING LONGITUDINALLY AWAY FROM AN END OF SAID PORT BENEATH SAID TROUGH; GUIDING MEANS SUPPORTING SAID GATE ON SAID TRACK MEANS FOR MOVEMENT BETWEEN PORT OPENING AND PORT CLOSING POSITIONS; DRIVING MEANS OPERATIVELY ASSOCIATED WITH SAID GATE FOR SUCH MOVEMENT OF THE LATTER; AND MEANS OPERATIVE BETWEEN SAID TRACK MEANS AND SAID GATE LIFTING SAID GATE INTO COPLANAR RELATION WITH SAID BOTTOM WALL AS SAID GATE IS MOVE TO THE PORT CLOSING POSITION.
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |