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US3341138A
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Adjusting mechanism for gyratory crusher bowls
Assignee: Barber Greene Co
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Filing: 1964-10-06
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Granted: 1967-09-12
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Frank M Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:27
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; B02C2/045; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A CRUSHER HAVING A FRAME, A GYRATORY CRUSHING HEAD MOUNTED IN SAID FRAME, AND A CONCAVE CRUSHING BOWL MOUNTED ON THE FRAME AND ADJUSTABLE BY ROTATION TO FORM AN ADJUSTABLE CRUSHING GAP WITH THE CRUSHING HEAD; MEANS TO ROTATE THE CRUSHING BOWL COMPRISING, A GEAR RING MOUNTED ON THE EXTERIOR OF THE CRUSHING BOWL; A PINION ROTATABLY MOUNTED ON THE FRAME TO INTERMESH WITH THE GEAR RING;
Claim 2
Dependent Claim
68 words
IN A CRUSHER HAVING A FRAME, A GYRATORY CRUSHING HEAD MOUNTED IN SAID FRAME, AND A CONCAVE CRUSHING BOWL MOUNTED ON THE FRAME AND ADJUSTABLE BY ROTATION TO FORM AN ADJUSTABLE CRUSHING GAP WITH THE CRUSHING HEAD; MEANS TO ROTATE THE CRUSHING BOWL COMPRISING, A GEAR RING MOUNTED ON THE EXTERIOR OF THE CRUSHING BOWL; A PINION ROTATABLY MOUNTED ON THE FRAME TO INTERMESH WITH THE GEAR RING;
References Cited (Backward Citations)
US2634630A
Cited
US3142449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |