Patent US3102305A successfully refreshed from Google Patents.
US3102305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliver let off device of a carding machine
Assignee: Nitto Boseki Co Ltd
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Filing: 1961-06-27
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Granted: 1963-09-03
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Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Haneda Seisaku
- 👤 Ariga Masahiko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:48
CPC Classifications
D; D01; D01G; D01G21/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
202 words
A SLIVER LET OFF DEVICE FOR POSITIONING BETWEEN A CARDING ENGINE AND A CONVEYOR BELT FOR CONVEYING SLIVERS TO A DRAWING FRAME, SAID LET OFF DEVICE COMPRISING A CYLINDER ADAPTED TO EXTEND DOWNWARDLY FROM THE CARDING ENGINE, A SLIVER RESERVOIR HAVING ONE END POSITIONED UNDER SAID CYLINDER AND OPEN SO AS TO BE ABLE TO RECEIVE A SLIVER FROM SAID CYLINDER, AND GUIDE MEANS AT THE OTHER END OF THE RESERVOIR AND ADAPTED TO GUIDE THE SLIVER FROM THE LOWER END OF THE CYLINDER AND THE RESERVOIR TO THE CONVEYOR BELT, AN UPRIGHT MEMBER HAVING A KNIFE EDGE THEREON, SAID RESERVOIR PIVOTALLY RESTING ON SAID KNIFE EDGE, TWO ARMS EXTENDING HORIZONTALLY FROM SAID RESERVOIR, BALANCING MEANS ON ONE ARM BALANCING SAID RESERVOIR ON SAID KNIFE EDGE, AND SWITCH MEANS ADJACENT THE OTHER ARM AND ADAPTED TO BE PLACED IN THE CONTROL CIRCUIT FOR THE CARDING ENGINE, WHEREBY WHEN SAID RESERVOIR HAS A PREDETERMINED WEIGHT THEREIN IT BECOMES UNBALANCED AND SAID SWITCH MEANS IS ACTUATED BY SAID OTHER ARM TO SHUT SAID CARDING ENGINE OFF, AND WHEN LESS THAN SAID PREDETERMINED WEIGHT IS IN SAID RESERVOIR, SAID RESERVOIR IS BALANCED AND SAID SWITCH MEANS IS ACTUATED TO CAUSE SAID CARDING ENGINE TO RUN.
Claim 2
Dependent Claim
202 words
A SLIVER LET OFF DEVICE FOR POSITIONING BETWEEN A CARDING ENGINE AND A CONVEYOR BELT FOR CONVEYING SLIVERS TO A DRAWING FRAME, SAID LET OFF DEVICE COMPRISING A CYLINDER ADAPTED TO EXTEND DOWNWARDLY FROM THE CARDING ENGINE, A SLIVER RESERVOIR HAVING ONE END POSITIONED UNDER SAID CYLINDER AND OPEN SO AS TO BE ABLE TO RECEIVE A SLIVER FROM SAID CYLINDER, AND GUIDE MEANS AT THE OTHER END OF THE RESERVOIR AND ADAPTED TO GUIDE THE SLIVER FROM THE LOWER END OF THE CYLINDER AND THE RESERVOIR TO THE CONVEYOR BELT, AN UPRIGHT MEMBER HAVING A KNIFE EDGE THEREON, SAID RESERVOIR PIVOTALLY RESTING ON SAID KNIFE EDGE, TWO ARMS EXTENDING HORIZONTALLY FROM SAID RESERVOIR, BALANCING MEANS ON ONE ARM BALANCING SAID RESERVOIR ON SAID KNIFE EDGE, AND SWITCH MEANS ADJACENT THE OTHER ARM AND ADAPTED TO BE PLACED IN THE CONTROL CIRCUIT FOR THE CARDING ENGINE, WHEREBY WHEN SAID RESERVOIR HAS A PREDETERMINED WEIGHT THEREIN IT BECOMES UNBALANCED AND SAID SWITCH MEANS IS ACTUATED BY SAID OTHER ARM TO SHUT SAID CARDING ENGINE OFF, AND WHEN LESS THAN SAID PREDETERMINED WEIGHT IS IN SAID RESERVOIR, SAID RESERVOIR IS BALANCED AND SAID SWITCH MEANS IS ACTUATED TO CAUSE SAID CARDING ENGINE TO RUN.
Claim 3
Dependent Claim
124 words
A SILVER LET OFF DEVICE FOR POSITIONING BETWEEN A CARDING ENGINE AND A CONVEYOR BELT FOR CONVEYING SLIVERS TO A DRAWING FRAME, SAID LET OFF DEVICE CONSISTING ESSENTIALLY OF A HOLLOW CYLINDER HAVING AN OPEN LOWER END AND ADAPTED TO EXTEND DOWNWARDLY FROM THE CARDING ENGINE AT AN ANGLE TO THE VERTICAL, AN UPWARDLY OPEN SLIVER RESERVOIR HAVING A BOTTOM WHICH IS SLANTED DOWNWARDLY, CURVED AT THE LOWERMOST PART THEREOF, AND THEN EXTENDS UPWARDLY, SAID RESERVOIR BEING POSITIONED WITH THE DOWNWARDLY SLANTED PART OF THE BOTTOM BENEATH THE OPEN LOWER END OF SAID CYLINDER, AND GUIDE MEANS AT THE OTHER END OF SAID RESERVOIR AND ADAPTED TO GUIDE THE SLIVER FROM THE LOWER END OF THE CYLINDER AND THE RESERVOIR TO THE CONVEYOR BELT.
Claim 4
Dependent Claim
124 words
A SILVER LET OFF DEVICE FOR POSITIONING BETWEEN A CARDING ENGINE AND A CONVEYOR BELT FOR CONVEYING SLIVERS TO A DRAWING FRAME, SAID LET OFF DEVICE CONSISTING ESSENTIALLY OF A HOLLOW CYLINDER HAVING AN OPEN LOWER END AND ADAPTED TO EXTEND DOWNWARDLY FROM THE CARDING ENGINE AT AN ANGLE TO THE VERTICAL, AN UPWARDLY OPEN SLIVER RESERVOIR HAVING A BOTTOM WHICH IS SLANTED DOWNWARDLY, CURVED AT THE LOWERMOST PART THEREOF, AND THEN EXTENDS UPWARDLY, SAID RESERVOIR BEING POSITIONED WITH THE DOWNWARDLY SLANTED PART OF THE BOTTOM BENEATH THE OPEN LOWER END OF SAID CYLINDER, AND GUIDE MEANS AT THE OTHER END OF SAID RESERVOIR AND ADAPTED TO GUIDE THE SLIVER FROM THE LOWER END OF THE CYLINDER AND THE RESERVOIR TO THE CONVEYOR BELT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |