US3204883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking means for crushers
Assignee: HARBER GREENE Co
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Filing: 1962-08-08
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Granted: 1965-09-07
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Harvey H Rumpel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:42
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; B02C2/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A GYRATORY CRUSHER, A FRAME, A CRUSHER HEAD GYRATABLE WITHIN SAID FRAME, A CRUSHER CONCAVE MOUNTED ON SAID FRAME COAXIALLY THEREOF AND COOPERATING WITH SAID HEAD TO FORM AN INTERVENING CRUSHING CHAMBER, MEANS FOR ADJUSTING SAID CONCAVE RELATIVE TO SAID HEAD TO VARY THE SIZE OF THE PRODUCT DELIVERED FROM SAID CHAMBER, FLUID PRESSURE ACTUATED MEANS EXTENSIBLE IN A DIRECTION PARALLEL TO THE AXIS OF SAID CONCAVE AND COOPERATING THEREWITH FOR IMPOSING A CLAMPING ACTION ON SAID ADJUSTING MEANS TO THEREBY LOCK SAID CONCAVE IN ITS ADJUSTED POSITIONS, AND
Claim 2
Dependent Claim
90 words
IN A GYRATORY CRUSHER, A FRAME, A CRUSHER HEAD GYRATABLE WITHIN SAID FRAME, A CRUSHER CONCAVE MOUNTED ON SAID FRAME COAXIALLY THEREOF AND COOPERATING WITH SAID HEAD TO FORM AN INTERVENING CRUSHING CHAMBER, MEANS FOR ADJUSTING SAID CONCAVE RELATIVE TO SAID HEAD TO VARY THE SIZE OF THE PRODUCT DELIVERED FROM SAID CHAMBER, FLUID PRESSURE ACTUATED MEANS EXTENSIBLE IN A DIRECTION PARALLEL TO THE AXIS OF SAID CONCAVE AND COOPERATING THEREWITH FOR IMPOSING A CLAMPING ACTION ON SAID ADJUSTING MEANS TO THEREBY LOCK SAID CONCAVE IN ITS ADJUSTED POSITIONS, AND
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |