US3078051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic crusher
Assignee: Allis Chalmers Corp
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Filing: 1960-10-11
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Granted: 1963-02-19
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Expires: 1980-10-11
Abstract
No abstract record available.
Inventors
- 👤 Warren R Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:16
CPC Classifications
B; B02; B02C; B02C25/00; B02C2/00; B02C2/02; B02C2/04; H; H02; H02P; H02P29/00; H02P29/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A CRUSHER HAVING A MANTLE MOUNTED FOR ROTATION WITHIN A CHAMBER; MEANS FOR FEEDING MATERIAL INTO SAID CHAMBER; MEANS FOR SETTING THE POSITION OF SAID MANTLE RELATIVE TO SAID CHAMBER; MEANS FOR MEASURING THE HORSEPOWER CONSUMED BY THE CRUSHER PER TON OF MATERIAL CRUSHED PER HOUR; MEANS FOR PRODUCING A FIRST ELECTRIC SIGNAL WHEN THE HORSEPOWER PER TON PER HOUR OF SAID CRUSHER DEVIATES FROM A PREDETERMINED RANGE; MEANS RESPONSIVE TO SAID FIRST SIGNAL FOR VARYING THE VOLUME OF FEED TO SAID CRUSHER WITHIN PREDETERMINED LIMITS AND MEANS FOR PRODUCING A SECOND ELECTRIC SIGNAL AFTER SAID FEED HAS REACHED ITS PREDETERMINED LIMIT, AND MEANS RESPONSIVE TO THE SUM OF SAID SIGNALS FOR VARYING THE SETTING OF SAID MANTLE RELATIVE TO SAID CHAMBER.
Claim 2
Dependent Claim
123 words
IN A CRUSHER HAVING A MANTLE MOUNTED FOR ROTATION WITHIN A CHAMBER; MEANS FOR FEEDING MATERIAL INTO SAID CHAMBER; MEANS FOR SETTING THE POSITION OF SAID MANTLE RELATIVE TO SAID CHAMBER; MEANS FOR MEASURING THE HORSEPOWER CONSUMED BY THE CRUSHER PER TON OF MATERIAL CRUSHED PER HOUR; MEANS FOR PRODUCING A FIRST ELECTRIC SIGNAL WHEN THE HORSEPOWER PER TON PER HOUR OF SAID CRUSHER DEVIATES FROM A PREDETERMINED RANGE; MEANS RESPONSIVE TO SAID FIRST SIGNAL FOR VARYING THE VOLUME OF FEED TO SAID CRUSHER WITHIN PREDETERMINED LIMITS AND MEANS FOR PRODUCING A SECOND ELECTRIC SIGNAL AFTER SAID FEED HAS REACHED ITS PREDETERMINED LIMIT, AND MEANS RESPONSIVE TO THE SUM OF SAID SIGNALS FOR VARYING THE SETTING OF SAID MANTLE RELATIVE TO SAID CHAMBER.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |