Patent US5734186A successfully refreshed from Google Patents.
US3076549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating unit for screening and feeding
Assignee: Nordberg Manufacturing Co
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Filing: 1960-02-29
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Granted: 1963-02-05
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 George D Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:08
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/10; B06B1/16; B06B1/161; B06B1/166; B65; B65G; B65G27/00; B65G27/10; B65G27/16; B65G27/18; B65G27/20; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A SCREENING ASSEMBLY OR THE LIKE INCLUDING A SCREEN AND TWO ADJACENT ACTUATORS SECURED THERETO, EACH ACTUATOR INCLUDING A PAIR OF WEIGHTS MOUNTED FOR OPPOSITE ROTATION ABOUT A COMMON SHAFT SECURED TO THE ASSEMBLY, THE FORCES PRODUCED BY THE REVOLVING WEIGHTS ALTERNATELY COMPLEMENTING AND OPPOSING EACH OTHER EVERY 90 DEGREES, THE OUTER SURFACE OF EACH WEIGHT BEING FORMED INTO TWO PARALLEL TRACKS, MEANS FOR ROTATING THE WEIGHTS INCLUDING TWO FLEXIBLE DRIVE MEMBERS EACH OF WHICH IS POSITIONED IN A TRACK ON A WEIGHT OF ONE ACTUATOR AND A TRACK ON A WEIGHT OF THE OTHER ACTUATOR TO SIMULTANEOUSLY ROTATE SAID WEIGHTS IN THE SAME DIRECTION, SAID TWO FLEXIBLE DRIVE MEMBERS MOVING IN OPPOSITE DIRECTIONS AND IN PARALLEL PATHS, POWER MEANS FOR ROTATING A WEIGHT ON ONE ACTUATOR IN A PREDETERMINED DIRECTION, AND A FLEXIBLE DRIVE MEMBER POSITIONED IN A SECOND TRACK OF BOTH WEIGHTS OF THE OTHER ACTUATOR AND ARRANGED TO DRIVE SAID LAST-NAMED WEIGHTS IN OPPOSITE DIRECTIONS.
Claim 2
Dependent Claim
158 words
A SCREENING ASSEMBLY OR THE LIKE INCLUDING A SCREEN AND TWO ADJACENT ACTUATORS SECURED THERETO, EACH ACTUATOR INCLUDING A PAIR OF WEIGHTS MOUNTED FOR OPPOSITE ROTATION ABOUT A COMMON SHAFT SECURED TO THE ASSEMBLY, THE FORCES PRODUCED BY THE REVOLVING WEIGHTS ALTERNATELY COMPLEMENTING AND OPPOSING EACH OTHER EVERY 90 DEGREES, THE OUTER SURFACE OF EACH WEIGHT BEING FORMED INTO TWO PARALLEL TRACKS, MEANS FOR ROTATING THE WEIGHTS INCLUDING TWO FLEXIBLE DRIVE MEMBERS EACH OF WHICH IS POSITIONED IN A TRACK ON A WEIGHT OF ONE ACTUATOR AND A TRACK ON A WEIGHT OF THE OTHER ACTUATOR TO SIMULTANEOUSLY ROTATE SAID WEIGHTS IN THE SAME DIRECTION, SAID TWO FLEXIBLE DRIVE MEMBERS MOVING IN OPPOSITE DIRECTIONS AND IN PARALLEL PATHS, POWER MEANS FOR ROTATING A WEIGHT ON ONE ACTUATOR IN A PREDETERMINED DIRECTION, AND A FLEXIBLE DRIVE MEMBER POSITIONED IN A SECOND TRACK OF BOTH WEIGHTS OF THE OTHER ACTUATOR AND ARRANGED TO DRIVE SAID LAST-NAMED WEIGHTS IN OPPOSITE DIRECTIONS.
References Cited (Backward Citations)
DE550015C
Cited
FR729933A
Cited
GB411191A
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US2144382A
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FR976918A
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US2831359A
Cited
US2865210A
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US2994431A
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |