Patent US3158256A successfully refreshed from Google Patents.
US3158256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeder and spring with inherent damping
Assignee: Eriez Manufacturing Co
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Filing: 1961-02-15
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Granted: 1964-11-24
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Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Rodney J Torrey
- 👤 Leo W Marxer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:02
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F15/00; F16F15/02; F16F15/04; F16F15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A VIBRATORY DEVICE COMPRISING A BODY, A TIE BAR, A FEEDER TROUGH SUPPORTED ON SAID TIE BAR, AN ELONGATED MEMBER MADE OF MATERIAL HAVING THE PROPERTIES OF A MATERIAL MADE OF POLYESTER RESIN WITH GLASS FIBERS IMPOTTED THEREIN, ONE END OF SAID ELONGATED MEMBER BEING ATTACHED TO SAID TIE BAR AND THE OTHER END TO SAID BODY, A LEVER ARM, EACH END OF SAID LEVER ARM BEING ATTACHED TO A CYLINDRICAL MEMBER, A HOLLOW CYLINDRICAL SLEEVE LIKE RESILIENT MEMBER SUPPORTED ON EACH SAID CYLINDRICAL MEMBER AND BONDED THERETO, THE OUTSIDE OF SAID SLEEVE MEMBER BEING BONDED TO SAID TIE BAR AND THE OUTSIDE OF THE OTHER SAID RESILIENT MEMBER BEING BONDED TO SAID BAR, A PERMANENT U-SHAPED MAGNET SUPPORTED ON SAID TIE BAR, AND AN ELECTROMAGNET HAVING AN E-SHAPED FRAME SUPPORTED ON SAID BODY, SAID ELECTROMAGNET E-SHAPED FRAME RECEIVING
Claim 2
Dependent Claim
139 words
A VIBRATORY DEVICE COMPRISING A BODY, A TIE BAR, A FEEDER TROUGH SUPPORTED ON SAID TIE BAR, AN ELONGATED MEMBER MADE OF MATERIAL HAVING THE PROPERTIES OF A MATERIAL MADE OF POLYESTER RESIN WITH GLASS FIBERS IMPOTTED THEREIN, ONE END OF SAID ELONGATED MEMBER BEING ATTACHED TO SAID TIE BAR AND THE OTHER END TO SAID BODY, A LEVER ARM, EACH END OF SAID LEVER ARM BEING ATTACHED TO A CYLINDRICAL MEMBER, A HOLLOW CYLINDRICAL SLEEVE LIKE RESILIENT MEMBER SUPPORTED ON EACH SAID CYLINDRICAL MEMBER AND BONDED THERETO, THE OUTSIDE OF SAID SLEEVE MEMBER BEING BONDED TO SAID TIE BAR AND THE OUTSIDE OF THE OTHER SAID RESILIENT MEMBER BEING BONDED TO SAID BAR, A PERMANENT U-SHAPED MAGNET SUPPORTED ON SAID TIE BAR, AND AN ELECTROMAGNET HAVING AN E-SHAPED FRAME SUPPORTED ON SAID BODY, SAID ELECTROMAGNET E-SHAPED FRAME RECEIVING
References Cited (Backward Citations)
US2280056A
Cited
US2333435A
Cited
US2325248A
Cited
US2678720A
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US2638206A
Cited
US2997158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |