US3122172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Let-off motion for looms
Assignee: Ruti Machinery Works Ltd
•
Filing: 1960-11-14
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Granted: 1964-02-25
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Honegger Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:29
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/04; D03D49/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN AN AUTOMATIC LET-OFF FOR LOOMS HAVING A REGULATING ROLLER MOUNTED FOR DETERMINING THE TENSION OF WARP THREAD AND HAVING A WARP BEAM DRIVEN BY A STEPPING DEVICE AND A STROKE-CHANGING GEAR WITH A SLIDE PIECE ADJUSTABLE ACCORDING TO THE WARP THREAD TENSION, AT A RATE IN WHICH SAID WARP THREAD TENSION REMAINS SUBSTANTIALLY CONSTANT, AN IMPROVED MECHANISM FOR DRIVING THE STEPPING DEVICE COMPRISING A CONNECTING ROD WHOSE ONE END PORTION IS LINKED TO A DRIVE ADAPTED TO RECIPROCATE SAID ROD WITH MOVEMENT COMPONENTS RANGING BETWEEN THE VERTICAL AND THE HORIZONTAL, A LINK HAVING ITS ENDS RESPECTIVELY PIVOTED TO THE OTHER END PORTION OF SAID ROD AND TO SAID SLIDE PIECE, WHEREBY THE OTHER END PORTION OF SAID ROD IS GUIDED ON AN ARCUATE PATH WHOSE CENTER OF CURVATURE IS THE END OF THE LINK PIVOTED TO THE SLIDE PIECE.
Claim 2
Dependent Claim
140 words
IN AN AUTOMATIC LET-OFF FOR LOOMS HAVING A REGULATING ROLLER MOUNTED FOR DETERMINING THE TENSION OF WARP THREAD AND HAVING A WARP BEAM DRIVEN BY A STEPPING DEVICE AND A STROKE-CHANGING GEAR WITH A SLIDE PIECE ADJUSTABLE ACCORDING TO THE WARP THREAD TENSION, AT A RATE IN WHICH SAID WARP THREAD TENSION REMAINS SUBSTANTIALLY CONSTANT, AN IMPROVED MECHANISM FOR DRIVING THE STEPPING DEVICE COMPRISING A CONNECTING ROD WHOSE ONE END PORTION IS LINKED TO A DRIVE ADAPTED TO RECIPROCATE SAID ROD WITH MOVEMENT COMPONENTS RANGING BETWEEN THE VERTICAL AND THE HORIZONTAL, A LINK HAVING ITS ENDS RESPECTIVELY PIVOTED TO THE OTHER END PORTION OF SAID ROD AND TO SAID SLIDE PIECE, WHEREBY THE OTHER END PORTION OF SAID ROD IS GUIDED ON AN ARCUATE PATH WHOSE CENTER OF CURVATURE IS THE END OF THE LINK PIVOTED TO THE SLIDE PIECE.
References Cited (Backward Citations)
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Cited
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US1987864A
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US2585167A
Cited
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |