US3223227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic feeder
Assignee: HARPER AND SAUNDER Inc
•
Filing: 1963-01-28
•
Granted: 1965-12-14
•
Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Dudte Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:44
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0258
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A MATERIAL DISTRIBUTOR COMPRISING: A MATERIAL TROUGH HAVING AN ELONGATED, SUBSTANTIALLY HORIZONTAL BOTTOM PROVIDED WITH A PAIR OF SPACED OPENINGS DISPOSED FOR GRAVITATIONAL FLOW OF MATERIAL THERETHROUGH; A PRIMARY SCREW CONVEYOR IN THE TROUGH FOR MOVING THE MATERIAL ALONG THE LATTER LONGITUDINALLY OF SAID BOTTOM TOWARD ONE ONE END OF THE TROUGH WHEREBY TO FEED THE MATERIAL THROUGH SAID OPENINGS; AN ELONGATED LOOP FOR EACH OPENING RESPECTIVELY, SAID LOOP HAVING A BIGHT LONGITUDINALLY PARALLEL WITH SAID SPACED BELOW SAID BOTTOM AND PROVIDED WITH A PAIR OF SPACED, OPPOSED END EDGES EXTENDING UPWARDLY TOWARD SAID BOTTOM OF DEFINE OPEN ENDS THEREFOR, EACH LOOP BEING ALIGNED WITH A CORRESPONDING OPENING FOR RECEIVING MATERIAL FROM THE TROUGH; A ROTATABLE SECONDARY SCREW CONVEYOR SUBSTANTIALLY PARALLEL WITH THE PRIMARY CONVEYOR AND EXTENDING THROUGH THE OPEN ENDS OF SAID LOOPS FOR MOVING THE MATERIAL ALONG THE LATTER LONGITUDINALLY OF SAID BIGHTS AND DISCHARGING THE SAME THROUGH ONE OF THE ENDS OF EACH OF THE LOOPS WHEN THE SECONDARY SCREW CONVEYOR ROTATES IN ONE DIRECTION AND DISCHARGING THE MATERIAL THROUGH THE OTHER END OF EACH OF THE LOOPS WHEN THE SECONDARY SCREW CONVEYOR ROTATES IN THE OPPOSITE DIRECTION; AND REVERSIBLE POWER MEANS FOR ALTERNATELY ROTATING SAID SECONDARY SCREW CONVEYOR IN OPPOSED DIRECTIONS.
Claim 2
Dependent Claim
205 words
A MATERIAL DISTRIBUTOR COMPRISING: A MATERIAL TROUGH HAVING AN ELONGATED, SUBSTANTIALLY HORIZONTAL BOTTOM PROVIDED WITH A PAIR OF SPACED OPENINGS DISPOSED FOR GRAVITATIONAL FLOW OF MATERIAL THERETHROUGH; A PRIMARY SCREW CONVEYOR IN THE TROUGH FOR MOVING THE MATERIAL ALONG THE LATTER LONGITUDINALLY OF SAID BOTTOM TOWARD ONE ONE END OF THE TROUGH WHEREBY TO FEED THE MATERIAL THROUGH SAID OPENINGS; AN ELONGATED LOOP FOR EACH OPENING RESPECTIVELY, SAID LOOP HAVING A BIGHT LONGITUDINALLY PARALLEL WITH SAID SPACED BELOW SAID BOTTOM AND PROVIDED WITH A PAIR OF SPACED, OPPOSED END EDGES EXTENDING UPWARDLY TOWARD SAID BOTTOM OF DEFINE OPEN ENDS THEREFOR, EACH LOOP BEING ALIGNED WITH A CORRESPONDING OPENING FOR RECEIVING MATERIAL FROM THE TROUGH; A ROTATABLE SECONDARY SCREW CONVEYOR SUBSTANTIALLY PARALLEL WITH THE PRIMARY CONVEYOR AND EXTENDING THROUGH THE OPEN ENDS OF SAID LOOPS FOR MOVING THE MATERIAL ALONG THE LATTER LONGITUDINALLY OF SAID BIGHTS AND DISCHARGING THE SAME THROUGH ONE OF THE ENDS OF EACH OF THE LOOPS WHEN THE SECONDARY SCREW CONVEYOR ROTATES IN ONE DIRECTION AND DISCHARGING THE MATERIAL THROUGH THE OTHER END OF EACH OF THE LOOPS WHEN THE SECONDARY SCREW CONVEYOR ROTATES IN THE OPPOSITE DIRECTION; AND REVERSIBLE POWER MEANS FOR ALTERNATELY ROTATING SAID SECONDARY SCREW CONVEYOR IN OPPOSED DIRECTIONS.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |