Patent US3558026A successfully refreshed from Google Patents.
US3558026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn feeder
Assignee: Individual
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Filing: 1968-09-24
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Granted: 1971-01-26
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Expires: 1988-09-24
Abstract
Abstract A yarn feeder with a friction roller for the yarn, the friction roller being driven with a peripheral speed larger than the yarn speed, which comprises an axle, and a friction roller rotatably mounted on the axle and adapted to loop yarn once about the friction roller. Brake means are provided which have an adjustable braking force. Means are arranged for sensing the yarn tension following the friction roller, and the sensing means is coupled with the brake means such, that an increase of the yarn tension causes a reduction of the braking effect.
Inventors
- 👤 Karl Isac Joel Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:39
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/38; D04B15/48; B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/22; B65H59/24; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
158 words
A yarn feeder with a friction roller for the yarn, said friction roller being driven with a peripheral speed larger than the yarn speed, comprising: an axle; a drivable friction roller in order to feed the yarn rotatably mounted on said axle, and adapted to loop yarn at least once about said friction roller; brake means having an adjustable braking force and disposed in front of said friction roller, and acting directLy upon a part of the yarn running to said friction roller; means for adjusting the braking effect of said brake means on said yarn; means for sensing the yarn tension of the part of the yarn leaving said friction roller; and means for coupling said sensing means with said brake means by means of which with an increase of the tension of the yarn part leaving said friction roller, the effect of said brake means on the yarn part running to said friction roller is reduced.
Claim 2
Dependent Claim
158 words
A yarn feeder with a friction roller for the yarn, said friction roller being driven with a peripheral speed larger than the yarn speed, comprising: an axle; a drivable friction roller in order to feed the yarn rotatably mounted on said axle, and adapted to loop yarn at least once about said friction roller; brake means having an adjustable braking force and disposed in front of said friction roller, and acting directLy upon a part of the yarn running to said friction roller; means for adjusting the braking effect of said brake means on said yarn; means for sensing the yarn tension of the part of the yarn leaving said friction roller; and means for coupling said sensing means with said brake means by means of which with an increase of the tension of the yarn part leaving said friction roller, the effect of said brake means on the yarn part running to said friction roller is reduced.
Claim 3
Dependent Claim
65 words
The yarn feeder, as set forth in claim 1, where: said sensing means comprises at least one yarn guide means movably disposed against a return force, and which includes at least one further immovable guide means; and said last mentioned immovable guide means forms with said sensing means a pulley-blocklike arrangement transmitting the effect of said yarn tension to the movement of said sensing means.
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |