US3133706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyratory crusher hydraulic adjustment
Assignee: Fuller Co
•
Filing: 1960-11-02
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Granted: 1964-05-19
•
Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 Fred A Mertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:59
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; B02C2/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A GYRATORY CRUSHER INCLUDING AN UPRIGHT SHAFT, A ROTATING MEMBER IN WHICH ONE END OF SAID SHAFT IS ECCENTRICALLY JOURNALLED, A CRUSHER HEAD FIXED ON SAID SHAFT, A FIXED CONCAVE SURROUNDING SAID HEAD AND RADIALLY SPACED THEREFROM, SAID SHAFT BEING SLIDABLE VERTICALLY TO VARY THE SPACE BETWEEN SAID HEAD AND SAID CONCAVE, MEANS FOR ROTATING SAID ROTARY MEMBER TO GYRATE SAID SHAFT, MEANS FOR MOVING SAID SHAFT VERTICALLY, MEANS TO INDICATE VERTICAL MOVEMENT OF SAID SHAFT DURING GYRATION FROM A PREDETERMINED POSITION AND MEANS RESPONSIVE TO SAID INDICATING MEANS TO ACTUATE SAID MEANS FOR MOVING SAID SHAFT VERTICALLY TO AUTOMATICALLY RESTORE SAID SHAFT TO ITS PREDETERMINED POSITION.
Claim 2
Dependent Claim
107 words
A GYRATORY CRUSHER INCLUDING AN UPRIGHT SHAFT, A ROTATING MEMBER IN WHICH ONE END OF SAID SHAFT IS ECCENTRICALLY JOURNALLED, A CRUSHER HEAD FIXED ON SAID SHAFT, A FIXED CONCAVE SURROUNDING SAID HEAD AND RADIALLY SPACED THEREFROM, SAID SHAFT BEING SLIDABLE VERTICALLY TO VARY THE SPACE BETWEEN SAID HEAD AND SAID CONCAVE, MEANS FOR ROTATING SAID ROTARY MEMBER TO GYRATE SAID SHAFT, MEANS FOR MOVING SAID SHAFT VERTICALLY, MEANS TO INDICATE VERTICAL MOVEMENT OF SAID SHAFT DURING GYRATION FROM A PREDETERMINED POSITION AND MEANS RESPONSIVE TO SAID INDICATING MEANS TO ACTUATE SAID MEANS FOR MOVING SAID SHAFT VERTICALLY TO AUTOMATICALLY RESTORE SAID SHAFT TO ITS PREDETERMINED POSITION.
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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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |