Patent US3142449A successfully refreshed from Google Patents.
US3142449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock structure for crusher adjustment
Assignee: Nordberg Manufacturing Co
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Filing: 1962-07-27
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Granted: 1964-07-28
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Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 Balmer Hansjorg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:12
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A SYSTEM OF BOWL ADJUSTMENT FOR A CRUSHER OR THE LIKE, A MAIN FRAME, A BOWL MOUNTED ON THE FRAME FOR ROTARY ADJUSTMENT RELATIVE THERETO, MEANS FOR ROTATING THE BOWL RELATIVE TO THE MAIN FRAME TO EFFECT ADJUSTMENT THEREOF, INCLUDING AT LEAST ONE FLUID OPERATED RAM ADAPTED TO APPLY A TANGENTIAL THRUST TO THE BOWL TO ROTATE IT RELATIVE TO THE MAIN FRAME, AND A LOCK STRUCTURE FOR APPLYING A POSITIVE LOCK BETWEEN THE BOWL AND FRAME, SAID LOCK STRUCTURE BEING POSITIONED FOR CONTACT BY THE RAM SUCH
Claim 2
Dependent Claim
89 words
IN A SYSTEM OF BOWL ADJUSTMENT FOR A CRUSHER OR THE LIKE, A MAIN FRAME, A BOWL MOUNTED ON THE FRAME FOR ROTARY ADJUSTMENT RELATIVE THERETO, MEANS FOR ROTATING THE BOWL RELATIVE TO THE MAIN FRAME TO EFFECT ADJUSTMENT THEREOF, INCLUDING AT LEAST ONE FLUID OPERATED RAM ADAPTED TO APPLY A TANGENTIAL THRUST TO THE BOWL TO ROTATE IT RELATIVE TO THE MAIN FRAME, AND A LOCK STRUCTURE FOR APPLYING A POSITIVE LOCK BETWEEN THE BOWL AND FRAME, SAID LOCK STRUCTURE BEING POSITIONED FOR CONTACT BY THE RAM SUCH
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |