Patent US3176995A successfully refreshed from Google Patents.
US3176995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible flail for material unloader
Assignee: Starline Inc
•
Filing: 1963-04-05
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Granted: 1965-04-06
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Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Howard J Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:41
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06; A01C3/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A FLEXIBLE FLAIL ADAPTED TO HAVE ONE END DETACHABLY CONNECTED TO ONE SIDE OF A ROTATABLE SHAFT OF A MATERIAL HANDLING DEVICE AND TO RECEIVE A FLAIL PLATE AT ITS OPPOSITE END, SAID FLAIL COMPRISING: A BROAD, THIN, BAND OF HIGHLY FLEXIBLE MATERIAL THAT HAS RECEIVING MEANS AT EACH END FOR ENGAGEMENT WITH MOUNTING MEANS; AND HIGHLY FLEXIBLE HIGH TENSILE REINFORCING MEANS EMBEDDED AND SUBSTANTIALLY ENTIRELY ENCASED WITHIN SAID FLEXIBLE MATERIAL, SAID REINFORCING MEANS EXTENDING FROM END TO END OF THE BAND EFFECTIVELY IN A SINGLE PLANE AND EXTENDING AROUND SAID RECEIVING MEANS SO THAT TENSIONING STRESSES APPLIED TO THE FLAIL THROUGH THE MOUNTING MEANS ARE BORNE PRINCIPALLY BY THE REINFORCING MEANS, SAID FLAIL BEING ADAPTED TO COIL IN A VERY SMALL ARC SO AS TO WIND CLOSELY AROUND THE SHAFT WHEN THE LATTER IS ROTATED.
Claim 2
Dependent Claim
136 words
A FLEXIBLE FLAIL ADAPTED TO HAVE ONE END DETACHABLY CONNECTED TO ONE SIDE OF A ROTATABLE SHAFT OF A MATERIAL HANDLING DEVICE AND TO RECEIVE A FLAIL PLATE AT ITS OPPOSITE END, SAID FLAIL COMPRISING: A BROAD, THIN, BAND OF HIGHLY FLEXIBLE MATERIAL THAT HAS RECEIVING MEANS AT EACH END FOR ENGAGEMENT WITH MOUNTING MEANS; AND HIGHLY FLEXIBLE HIGH TENSILE REINFORCING MEANS EMBEDDED AND SUBSTANTIALLY ENTIRELY ENCASED WITHIN SAID FLEXIBLE MATERIAL, SAID REINFORCING MEANS EXTENDING FROM END TO END OF THE BAND EFFECTIVELY IN A SINGLE PLANE AND EXTENDING AROUND SAID RECEIVING MEANS SO THAT TENSIONING STRESSES APPLIED TO THE FLAIL THROUGH THE MOUNTING MEANS ARE BORNE PRINCIPALLY BY THE REINFORCING MEANS, SAID FLAIL BEING ADAPTED TO COIL IN A VERY SMALL ARC SO AS TO WIND CLOSELY AROUND THE SHAFT WHEN THE LATTER IS ROTATED.
References Cited (Backward Citations)
US2560524A
Cited
US2604656A
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US2851722A
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US2854681A
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US2886332A
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US3082452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |