US3300152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crusher apparatus
Assignee: Lukens General Industries Inc
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Filing: 1963-12-16
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Granted: 1967-01-24
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 George W Behnke
- 👤 Hans A Wirth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/1835; B02C13/1842; B02C2013/1864
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A CENTRIFUGAL CRUSHING APPARATUS COMPRISING: A BOWL; A VERTICALLY DISPOSED DRIVEN SHAFT MEANS FOR SAID BOWL; CENTRIFUGAL SLINGER MEANS MOUNTED ON SAID SHAFT MEANS WITHIN SAID BOWL; MEANS FOR FEEDING THE MATERIAL TO BE CRUSHED TO SAID SLINGER MEANS; A PLURALITY OF CIRCUMFERENTIALLY SPACED, IMPACT SURFACE MEANS DISPOSED IN A SUBSTANTIALLY HORIZONTAL PLANE IN SAID BOWL AROUND SAID SLINGER MEANS AND AGAINST WHICH THE MATERIAL BEING PROCESSED IS FLUNG; FIXED GUIDE MEANS SUPPORTING THE IMPACT SURFACE MEANS FOR MOVEMENT SUBSTANTIALLY LINEARLY INWARDLY TOWARD THE SLINGER MEANS; AND MEANS FOR HOLDING SAID IMPACT SURFACE MEANS IN VARIOUS SUBSTANTIALLY ININWARDLY ADJUSTED POSITIONS, SAID GUIDE MEANS COMPRISING A PLURALITY OF CIRCUMFERENTIALLY SPACED BACKER PLATE MEANS EXTENDING GENERALLY RADIALLY INWARDLY FROM SAID BOWL.
Claim 2
Dependent Claim
119 words
A CENTRIFUGAL CRUSHING APPARATUS COMPRISING: A BOWL; A VERTICALLY DISPOSED DRIVEN SHAFT MEANS FOR SAID BOWL; CENTRIFUGAL SLINGER MEANS MOUNTED ON SAID SHAFT MEANS WITHIN SAID BOWL; MEANS FOR FEEDING THE MATERIAL TO BE CRUSHED TO SAID SLINGER MEANS; A PLURALITY OF CIRCUMFERENTIALLY SPACED, IMPACT SURFACE MEANS DISPOSED IN A SUBSTANTIALLY HORIZONTAL PLANE IN SAID BOWL AROUND SAID SLINGER MEANS AND AGAINST WHICH THE MATERIAL BEING PROCESSED IS FLUNG; FIXED GUIDE MEANS SUPPORTING THE IMPACT SURFACE MEANS FOR MOVEMENT SUBSTANTIALLY LINEARLY INWARDLY TOWARD THE SLINGER MEANS; AND MEANS FOR HOLDING SAID IMPACT SURFACE MEANS IN VARIOUS SUBSTANTIALLY ININWARDLY ADJUSTED POSITIONS, SAID GUIDE MEANS COMPRISING A PLURALITY OF CIRCUMFERENTIALLY SPACED BACKER PLATE MEANS EXTENDING GENERALLY RADIALLY INWARDLY FROM SAID BOWL.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |