Patent US3087516A successfully refreshed from Google Patents.
US3087516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loom beam let-off
Assignee: Steel Heddle Manufacturing Co
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Filing: 1961-06-13
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Granted: 1963-04-30
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Expires: 1981-06-13
Abstract
No abstract record available.
Inventors
- 👤 Robert F Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:44
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/04; D03D49/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A LET-OFF FOR A LOOM HAVING A LOOM BEAM CARRYING WARP YARN INCLUDING, A FIRST DRIVEN SHEAVE, A SECOND SHEAVE DRIVING SAID BEAM MOUNTED IN A PLANE PARALLEL TO THE PLANE OF THE FIRST SHEAVE, A SHAFT DISPOSED BETWEEN SAID FIRST SHEAVE AND SAID SECOND SHEAVE IN A PLANE PARALLEL TO THE AXIS OF ROTATION OF SAID SHEAVES, A PAIR OF SPACED INWARDLY FACING CONE ELEMENTS CARRIED BY THE SHAFT, AN ELEMENT CARRIED BY THE SHAFT CARRYING OUTWARDLY FACING CONE ELEMENTS INTERMEDIATE SAID INWARDLY FACING CONE ELEMENTS, A FIRST BELT DRIVEN BY SAID FIRST SHEAVE POSITIONED BETWEEN ONE OF THE PAIR OF ADJACENT INWARDLY AND OUTWARDLY FACING CONE ELEMENTS, A SECOND BELT DRIVING SAID SECOND SHEAVE POSITIONED ON THE OTHER OF THE PAIR OF ADJACENT INWARDLY AND OUTWARDLY FACING CONE ELEMENTS, AND MEANS MOVING SAID SHAFT RESPONSIVE TO VARIATIONS IN TENSION ON THE WARP YARN TO VARY THE SPACING BETWEEN EACH OF THE PAIR OF ADJACENT INWARDLY AND OUTWARDLY FACING CONE ELEMENTS, WHEREBY THE SPEED OF THE SECOND BELT IS VARIED TO MAINTAIN UNIFORM TENSION ON THE WARP YARN.
Claim 2
Dependent Claim
179 words
A LET-OFF FOR A LOOM HAVING A LOOM BEAM CARRYING WARP YARN INCLUDING, A FIRST DRIVEN SHEAVE, A SECOND SHEAVE DRIVING SAID BEAM MOUNTED IN A PLANE PARALLEL TO THE PLANE OF THE FIRST SHEAVE, A SHAFT DISPOSED BETWEEN SAID FIRST SHEAVE AND SAID SECOND SHEAVE IN A PLANE PARALLEL TO THE AXIS OF ROTATION OF SAID SHEAVES, A PAIR OF SPACED INWARDLY FACING CONE ELEMENTS CARRIED BY THE SHAFT, AN ELEMENT CARRIED BY THE SHAFT CARRYING OUTWARDLY FACING CONE ELEMENTS INTERMEDIATE SAID INWARDLY FACING CONE ELEMENTS, A FIRST BELT DRIVEN BY SAID FIRST SHEAVE POSITIONED BETWEEN ONE OF THE PAIR OF ADJACENT INWARDLY AND OUTWARDLY FACING CONE ELEMENTS, A SECOND BELT DRIVING SAID SECOND SHEAVE POSITIONED ON THE OTHER OF THE PAIR OF ADJACENT INWARDLY AND OUTWARDLY FACING CONE ELEMENTS, AND MEANS MOVING SAID SHAFT RESPONSIVE TO VARIATIONS IN TENSION ON THE WARP YARN TO VARY THE SPACING BETWEEN EACH OF THE PAIR OF ADJACENT INWARDLY AND OUTWARDLY FACING CONE ELEMENTS, WHEREBY THE SPEED OF THE SECOND BELT IS VARIED TO MAINTAIN UNIFORM TENSION ON THE WARP YARN.
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |