US4380913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weft thread laying apparatus with combing element
Assignee: Karl Mayer Textilmaschinenfabrik GmbH
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Filing: 1981-04-29
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Granted: 1983-04-26
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Expires: 2001-04-29
Abstract
Abstract A weft thread magazine for a warp knitting machine has two endless transfer chains. The chains have holders for retaining weft threads in parallel and presenting them to a needle bed. Also included is a thread laying arrangement which transports the weft threads from one transfer chain to the other, and which is provided with a comb arrangement. The comb arrangement includes a comb element having at least one combing peg which is introduced between the weft threads proximate to one of the transfer chains and which moves parallel to the weft threads and is removed proximate to the other transfer chain. A carriage has a thread guide for guiding at least one weft thread into a position parallel to a previously laid weft thread. The comb element is carried on the end of the carriage directed toward the needle bed.
Inventors
- 👤 Christian Wilkens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:29
CPC Classifications
D; D04; D04B; D04B23/00; D04B23/12
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
152 words
A weft thread magazine for a warp knitting machine having a needle bed, said magazine comprising, in combination: (a) a pair of endless transfer chain means each having holding means for retaining weft threads in parallel and for presenting them to said needle bed; (b) a thread laying arrangement for transporting weft threads from one of said pair of transfer means to the other, said arrangement including a carriage means having at least one thread guide for guiding at least one of the appropriate weft threads into a position parallel to an already laid weft thread; and (c) a combing element mounted on said carriage means and having at least one combing peg and being operable to introduce said peg between weft threads proximate one of said pair of transfer chain means, to move said peg parallel to the weft threads and to remove said peg proximate the other transfer chain means.
Claim 2
Dependent Claim
152 words
A weft thread magazine for a warp knitting machine having a needle bed, said magazine comprising, in combination: (a) a pair of endless transfer chain means each having holding means for retaining weft threads in parallel and for presenting them to said needle bed; (b) a thread laying arrangement for transporting weft threads from one of said pair of transfer means to the other, said arrangement including a carriage means having at least one thread guide for guiding at least one of the appropriate weft threads into a position parallel to an already laid weft thread; and (c) a combing element mounted on said carriage means and having at least one combing peg and being operable to introduce said peg between weft threads proximate one of said pair of transfer chain means, to move said peg parallel to the weft threads and to remove said peg proximate the other transfer chain means.
Claim 3
Dependent Claim
26 words
A weft thread magazine according to claim 1 wherein said combing element is mounted on a portion of said carriage means directed toward said needle bed.
Claim 4
Dependent Claim
37 words
A weft thread magazine according to claim 2 wherein said carriage means has a plurality of thread guides and wherein said combing element has a plurality of combing pegs equaling in number said plurality of thread guides.
Claim 5
Dependent Claim
78 words
A weft thread magazine according to claim 2 wherein said carriage means is transversely movable between said pair of chain means, said carriage means comprising: (a) a carrier having a free end and being slidably mounted in said carriage means, said combing element being attached to said free end of said carrier; (b) a guide band transversely disposed across said pair of chain means; (c) a steering means attached to opposite ends of said band for positioning it.
Claim 6
Dependent Claim
21 words
A weft thread magazine according to claim 4 wherein said carriage means includes a bearing into which said carrier is journaled.
Claim 7
Dependent Claim
57 words
A weft thread magazine according to claim 5 wherein said carrier comprises: (a) a rod journaled in said bearing; and (b) a pair of rollers mounted on said rod for engaging said guide band, said rod supporting said thread guide on one side of said bearing and on its other side said rollers and said combing element.
Claim 8
Dependent Claim
65 words
A weft magazine according to claim 1,2,4 or 6 wherein said combing element includes an outwardly projecting striker arm, said combing peg and arm being mounted for rotation about an axis parallel to said chain means, said magazine including a pair of striker plates each disposed proximate a different respective one of said pair of chain means for engaging said arm and rotating said peg.
Claim 9
Dependent Claim
56 words
A weft magazine according to claims 1,2,4 or 6 wherein said combing element includes a peg holder hingeably mounted to rotate about an axis perpendicular to said chain means, said magazine including a pair of wedge members each disposed proximate a different respective one of said pair of chain means for engaging and rotating said holder.
Claim 10
Dependent Claim
35 words
A weft magazine according to claim 1 wherein said thread laying arrangement is operable to lay threads in an endless manner, said holding means comprising a plurality of holders spaced less than eight millimeters apart.
References Cited (Backward Citations)
US3744276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-04-25 | 1986-10-25 | 1987-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-25 | 1990-10-25 | 1991-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-25 | 1994-10-25 | 1995-04-26 | $7700.00 | Window Closed / Lapsed |