US3141846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load control unit for cyclical centrifugal installation
Assignee: Western States Machine Co
•
Filing: 1962-04-05
•
Granted: 1964-07-21
•
Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas R Laven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:10
CPC Classifications
B; B04; B04B; B04B11/00; B04B11/04; B04B11/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A CENTRIFUGAL INSTALLATION INCLUDING A CENTRIFUGAL BASKET AND A LOADING VALVE CONTROLLING THE DELIVERY OF CHARGE MATERIAL INTO THE BASKET, A LOADING CONTROL UNIT FOR CONTROLLING THE THICKNESS OF CHARGES OF SAID MATERIAL FORMED IN THE BASKET, COMPRISING: A CHARGE FEELER MOVABLE WITHIN THE BASKET BETWEEN A REST POSITION AWAY FROM THE LOCATION OF A CHARGE THEREIN AND A WORKING POSITION WHERE THE FEELER WILL BE ENGAGED AND RETURNED TOWARD REST POSITION BY A CHARGE WALL FORMING IN THE BASKET, AN ANGULARLY MOVABLE SUPPORT CARRYING SAID FEELER, ACTUATING MEANS FOR SAID LOADING VALVE, AN ACTUATING ELEMENT CARRIED BY SAID SUPPORT AND OPERATIVE, AT A FIXED LOCATION IN SPACE, IN RESPONSE TO RETURN MOVEMENT FROM WORKING POSITION OF THE ASSEMBLY OF SAID FEELER, SAID SUPPORT AND SAID ACTUATING ELEMENT, TO CAUSE SAID ACTUATING MEANS TO CLOSE THE LOADING VALVE, OPERATING MEANS FOR TURNING SAID ASSEMBLY FROM REST POSITION TO WORKING POSITION,
Claim 2
Dependent Claim
151 words
IN A CENTRIFUGAL INSTALLATION INCLUDING A CENTRIFUGAL BASKET AND A LOADING VALVE CONTROLLING THE DELIVERY OF CHARGE MATERIAL INTO THE BASKET, A LOADING CONTROL UNIT FOR CONTROLLING THE THICKNESS OF CHARGES OF SAID MATERIAL FORMED IN THE BASKET, COMPRISING: A CHARGE FEELER MOVABLE WITHIN THE BASKET BETWEEN A REST POSITION AWAY FROM THE LOCATION OF A CHARGE THEREIN AND A WORKING POSITION WHERE THE FEELER WILL BE ENGAGED AND RETURNED TOWARD REST POSITION BY A CHARGE WALL FORMING IN THE BASKET, AN ANGULARLY MOVABLE SUPPORT CARRYING SAID FEELER, ACTUATING MEANS FOR SAID LOADING VALVE, AN ACTUATING ELEMENT CARRIED BY SAID SUPPORT AND OPERATIVE, AT A FIXED LOCATION IN SPACE, IN RESPONSE TO RETURN MOVEMENT FROM WORKING POSITION OF THE ASSEMBLY OF SAID FEELER, SAID SUPPORT AND SAID ACTUATING ELEMENT, TO CAUSE SAID ACTUATING MEANS TO CLOSE THE LOADING VALVE, OPERATING MEANS FOR TURNING SAID ASSEMBLY FROM REST POSITION TO WORKING POSITION,
References Cited (Backward Citations)
US1921446A
Cited
US1906767A
Cited
US2037655A
Cited
FR736811A
Cited
US2090373A
Cited
US2328394A
Cited
US2642997A
Cited
US2638225A
Cited
US2822092A
Cited
BE516155A
Cited
US2727630A
Cited
US2984965A
Cited
US3011641A
Cited
US3044625A
Cited
US3019902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |