US3372888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension control for textile machines
Assignee: THERMIGUIDES SA
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Filing: 1966-08-29
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Granted: 1968-03-12
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Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 Eppendahl Pierre Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:33
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/22; B65H59/24; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
MECHANISM FOR CONTROLLING THE TENSION OF THREAD IN TEXTILE MACHINES, COMPRISING FIXED AND MOVABLE FRICTION MEMBERS BETWEEN WHICH THE THREAD PASSES, THE MOVABLE FRICTION MEMBER INCLUDING AT LEAST A PART FORMED OF MAGNETIC MATERIAL, AND MEANS FOR APPLYING A FORCE TO THE MOVABLE MEMBER URGING IT TOWARDS THE FIXED FRICTION MEMBER AND FOR CONTROLLING THAT FORCE, COMPRISING SPRING MEANS URGING THE MOVABLE FRICTION MEMBER TOWARDS THE FIXED FRICTION MEMBER, A PIVOTED TENSION-SENSING LEVER ON WHICH THE THREAD ACTS AFTER PASSING BETWEEN THE FIXED AND MOVABLE FRICTION MEMBERS, AND A PERMANENT MAGNET CONNECTED TO THE PIVOTED LEVER AND MOVABLE THEREWITH IN RELATION TO THE SAID PART OF MAGNETIC MATERIAL SO AS TO MODIFY BY MAGNETIC FORCE THE PRESSURE APPLIED BY THE MOVABLE FRICTION MEMBER TO THE THREAD LYING BETWEEN IT AND THE FIXED FRICTION MEMBERS WHEREIN, DURING ITS MOVEMENT WITH
Claim 2
Dependent Claim
139 words
MECHANISM FOR CONTROLLING THE TENSION OF THREAD IN TEXTILE MACHINES, COMPRISING FIXED AND MOVABLE FRICTION MEMBERS BETWEEN WHICH THE THREAD PASSES, THE MOVABLE FRICTION MEMBER INCLUDING AT LEAST A PART FORMED OF MAGNETIC MATERIAL, AND MEANS FOR APPLYING A FORCE TO THE MOVABLE MEMBER URGING IT TOWARDS THE FIXED FRICTION MEMBER AND FOR CONTROLLING THAT FORCE, COMPRISING SPRING MEANS URGING THE MOVABLE FRICTION MEMBER TOWARDS THE FIXED FRICTION MEMBER, A PIVOTED TENSION-SENSING LEVER ON WHICH THE THREAD ACTS AFTER PASSING BETWEEN THE FIXED AND MOVABLE FRICTION MEMBERS, AND A PERMANENT MAGNET CONNECTED TO THE PIVOTED LEVER AND MOVABLE THEREWITH IN RELATION TO THE SAID PART OF MAGNETIC MATERIAL SO AS TO MODIFY BY MAGNETIC FORCE THE PRESSURE APPLIED BY THE MOVABLE FRICTION MEMBER TO THE THREAD LYING BETWEEN IT AND THE FIXED FRICTION MEMBERS WHEREIN, DURING ITS MOVEMENT WITH
References Cited (Backward Citations)
US2554493A
Cited
US2554286A
Cited
US2745610A
Cited
FR1224657A
Cited
FR1315921A
Cited
FR1334203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |