US3857523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn take-up
Assignee: Milliken Research Corp
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Filing: 1974-02-07
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Granted: 1974-12-31
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Expires: 1994-02-07
Abstract
Abstract Yarn take-up apparatus, especially for false twist equipment, which provides a notched yarn guide to aid in holding the yarn transfer tail while the completed yarn package is being doffed from the machine.
Inventors
- 👤 A Lenderman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:53
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/86; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A yarn winding arrangement comprising: a drive roll, a pivotally mounted lever arm, a take-up roll rotatably mounted on said lever arm, said lever arm being pivoted to move said take-up roll into and out of engagement with said drive roll, a yarn transfer mechanism having a severing means and being operably associated with and driven by said drive roll to take up yarn when a completed yarn package is moved out of engagement with said drive roll and is being doffed from said take-up roll and means connected to said lever arm to hold yarn in a predetermined position when the yarn is being taken up by said yarn transfer mechanism and when the take-up roll is being pivoted into operative position adjacent said drive roll, said means having a notch therein to hold and guide yarn from the yarn supply until it is severed by said yarn transfer mechanism.
Claim 2
Dependent Claim
151 words
A yarn winding arrangement comprising: a drive roll, a pivotally mounted lever arm, a take-up roll rotatably mounted on said lever arm, said lever arm being pivoted to move said take-up roll into and out of engagement with said drive roll, a yarn transfer mechanism having a severing means and being operably associated with and driven by said drive roll to take up yarn when a completed yarn package is moved out of engagement with said drive roll and is being doffed from said take-up roll and means connected to said lever arm to hold yarn in a predetermined position when the yarn is being taken up by said yarn transfer mechanism and when the take-up roll is being pivoted into operative position adjacent said drive roll, said means having a notch therein to hold and guide yarn from the yarn supply until it is severed by said yarn transfer mechanism.
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) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |