US3118575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeder for solid particles
Assignee: CF Braun and Co
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Filing: 1960-12-19
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Granted: 1964-01-21
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 William H Mccauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:02
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/36; B65B1/363; B65B1/366; A; A01; A01K; A01K5/00; A01K5/02; A01K5/0275; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/48; B65G65/4881
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A FEEDER OF THE TYPE DESCRIBED, THE COMBINATION OF: A HOUSING HAVING AN ENTRANCE OPENING AND A DISCHARGE OPENING, A MEMBER MOUNTED TO MOVE IN THE HOUSING AND PROVIDED WITH LATERALLY EXTENDING BLADES, THE BLADES DEFINING POCKETS THEREBETWEEN ADAPTED TO RECEIVE SOLID PARTICLES FROM THE ENTRANCE OPENING AND TO DISCHARGE THEM BY GRAVITY THROUGH SAID DISCHARGE OPENING, LATERALLY SPACED BRIDGE MEMBERS POSITIONED IN THE ENTRANCE OPENING AND REDUCING THE WIDTH THEREOF, SAID BRIDGE MEMBERS HAVING LOWER SURFACES SHAPED FOR RUNNING CLEARANCE WITH RESPECT TO SAID BLADES, A DOWNWARD AND FORWARD INCLINED WALL EXTENDING BETWEEN SAID BRIDGE MEMBERS AND REDUCING THE LENGTH OF SAID ENTRANCE OPENING, A LATERALLY EXTENDING SCRAPER ELEMENT ON THE LOWER PORTION OF SAID WALL SPACED ABOVE SAID CLEARANCE SURFACES OF SAID BRIDGE MEMBERS, MEANS FORMING CAVITIES UNDER SAID INCLINED WALL AT THE REARWARD ENDS OF SAID BRIDGE MEMBERS, WHEREBY A FLOW OF SOLID PARTICLES MAY PASS BETWEEN SAID BRIDGE MEMBERS AND UNDER SAID SCRAPER ELEMENT AND LATERALLY INTO SAID CAVITIES.
Claim 2
Dependent Claim
164 words
IN A FEEDER OF THE TYPE DESCRIBED, THE COMBINATION OF: A HOUSING HAVING AN ENTRANCE OPENING AND A DISCHARGE OPENING, A MEMBER MOUNTED TO MOVE IN THE HOUSING AND PROVIDED WITH LATERALLY EXTENDING BLADES, THE BLADES DEFINING POCKETS THEREBETWEEN ADAPTED TO RECEIVE SOLID PARTICLES FROM THE ENTRANCE OPENING AND TO DISCHARGE THEM BY GRAVITY THROUGH SAID DISCHARGE OPENING, LATERALLY SPACED BRIDGE MEMBERS POSITIONED IN THE ENTRANCE OPENING AND REDUCING THE WIDTH THEREOF, SAID BRIDGE MEMBERS HAVING LOWER SURFACES SHAPED FOR RUNNING CLEARANCE WITH RESPECT TO SAID BLADES, A DOWNWARD AND FORWARD INCLINED WALL EXTENDING BETWEEN SAID BRIDGE MEMBERS AND REDUCING THE LENGTH OF SAID ENTRANCE OPENING, A LATERALLY EXTENDING SCRAPER ELEMENT ON THE LOWER PORTION OF SAID WALL SPACED ABOVE SAID CLEARANCE SURFACES OF SAID BRIDGE MEMBERS, MEANS FORMING CAVITIES UNDER SAID INCLINED WALL AT THE REARWARD ENDS OF SAID BRIDGE MEMBERS, WHEREBY A FLOW OF SOLID PARTICLES MAY PASS BETWEEN SAID BRIDGE MEMBERS AND UNDER SAID SCRAPER ELEMENT AND LATERALLY INTO SAID CAVITIES.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |