US2751631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile drafting apparatus
Assignee: —
•
Filing: 1952-02-19
•
Granted: 1956-06-26
•
Expires: 1972-02-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:45
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A DRAFTING APPARATUS COMPRISING, IN COMBINATION, A LARGE LOWER DRAFTING ROLLER, AN APRON OPPOSED TO SAID ROLLER AND BEARING AGAINST IT FROM ABOVE OVER AN EXTENSIVE ARC FOR PRESSING THE FIBERS AGAINST THE ROLLER AND FOR DRIVING THE APRON, AN APRON GUIDING ROLLER DISPOSED ABOVE AND BEHIND THE LOWER DRAFTING ROLLER, A FORWARD GUIDE FOR THE APRON, AN ADVANCE PAIR OF DRAFTING ROLLERS BEYOND THE FORWARD GUIDE, THE FORWARD BEING SPACED FORWARDLY AWAY FROM SAID LOWER DRAFTING ROLLER, MEANS FOR SUPPORTING AND ADJUSTING THE FORWARD GUIDE IN POSITION INDEPENDENTLY OF SAID APRON GUIDING ROLLER, AND BOTH WITH RESPECT TO ITS DISTANCE FROM THE NIP OF THE ADVANCE PAIR OF DRAFTING ROLLERS, WITH RESPECT TO THE PLANE CONTAINING SAID NIP AND THE NIP OF SAID LARGE LOWER DRAFTING ROLLER, AND WITH RESPECT TO THE NIP OF THE APRON GUIDING ROLLER, THEREBY SIMULTANEOUSLY AFFORDING AN ADJUSTMENT OF THE LENGTH OF THE ARC OF CONTACT BETWEEN THE APRON AND THE SINGLE DRAFTING ROLLER OVER WHICH THE APRON IS STRETCHED.
Claim 2
Dependent Claim
166 words
A DRAFTING APPARATUS COMPRISING, IN COMBINATION, A LARGE LOWER DRAFTING ROLLER, AN APRON OPPOSED TO SAID ROLLER AND BEARING AGAINST IT FROM ABOVE OVER AN EXTENSIVE ARC FOR PRESSING THE FIBERS AGAINST THE ROLLER AND FOR DRIVING THE APRON, AN APRON GUIDING ROLLER DISPOSED ABOVE AND BEHIND THE LOWER DRAFTING ROLLER, A FORWARD GUIDE FOR THE APRON, AN ADVANCE PAIR OF DRAFTING ROLLERS BEYOND THE FORWARD GUIDE, THE FORWARD BEING SPACED FORWARDLY AWAY FROM SAID LOWER DRAFTING ROLLER, MEANS FOR SUPPORTING AND ADJUSTING THE FORWARD GUIDE IN POSITION INDEPENDENTLY OF SAID APRON GUIDING ROLLER, AND BOTH WITH RESPECT TO ITS DISTANCE FROM THE NIP OF THE ADVANCE PAIR OF DRAFTING ROLLERS, WITH RESPECT TO THE PLANE CONTAINING SAID NIP AND THE NIP OF SAID LARGE LOWER DRAFTING ROLLER, AND WITH RESPECT TO THE NIP OF THE APRON GUIDING ROLLER, THEREBY SIMULTANEOUSLY AFFORDING AN ADJUSTMENT OF THE LENGTH OF THE ARC OF CONTACT BETWEEN THE APRON AND THE SINGLE DRAFTING ROLLER OVER WHICH THE APRON IS STRETCHED.
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) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |