US3272446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yielding bowl locking ring for crushers
Assignee: Nordberg Manufacturing Co
•
Filing: 1965-04-01
•
Granted: 1966-09-13
•
Expires: 1985-04-01
Abstract
No abstract record available.
Inventors
- 👤 Hesse Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:03
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; B02C2/045; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/943
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION WITH A CONE CRUSHER HAVING A CIRCUMFERENTIAL FRAME, A BOWL ON SAID FRAME AND A HEAD AND MEANS FOR GYRATING THE HEAD WITHIN THE BOWL, MEANS FOR EXERTING PRESSURE ON CRUSHER PARTS BETWEEN THE FRAME AND THE BOWL INCLUDING AT LEAST ONE TUBULAR MEMBER OF RUBBER OR A SUITABLE RUBBER SUBSTITUTE INTERPOSED BETWEEN PARTS OF THE CRUSHER, AND MEANS FOR SUPPLYING FLUID PRESSURE TO THE INTERIOR OR SUCH MEMBER AND FOR THEREBY EXERTING PRESSURE AGAINST CRUSHER PARTS LOCATED BETWEEN THE FRAME AND THE BOWL.
Claim 2
Dependent Claim
86 words
IN COMBINATION WITH A CONE CRUSHER HAVING A CIRCUMFERENTIAL FRAME, A BOWL ON SAID FRAME AND A HEAD AND MEANS FOR GYRATING THE HEAD WITHIN THE BOWL, MEANS FOR EXERTING PRESSURE ON CRUSHER PARTS BETWEEN THE FRAME AND THE BOWL INCLUDING AT LEAST ONE TUBULAR MEMBER OF RUBBER OR A SUITABLE RUBBER SUBSTITUTE INTERPOSED BETWEEN PARTS OF THE CRUSHER, AND MEANS FOR SUPPLYING FLUID PRESSURE TO THE INTERIOR OR SUCH MEMBER AND FOR THEREBY EXERTING PRESSURE AGAINST CRUSHER PARTS LOCATED BETWEEN THE FRAME AND THE BOWL.
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |