Patent US4220020A successfully refreshed from Google Patents.
US4220020A
Expired / Lapsed
US
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Warp knitting machine with weft inserters
Assignee: Karl Mayer Textilmaschinenfabrik GmbH
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Filing: 1978-07-20
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Granted: 1980-09-02
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Expires: 1998-07-20
Abstract
Abstract A plurality of weft threads provided by stationary spools located at one side of a warp knitting machine are picked up by a thread transmission means and are presented to the needle bed of a warp knitting machine. The weft inserting apparatus is disposed within the space included by the needle bed, push rod and guide bar drive levers of the knitting machine.
Inventors
- 👤 Karl Kohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:02
CPC Classifications
D; D04; D04B; D04B23/00; D04B23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A weft inserting apparatus for use with a warp knitting machine having a needle bed, guide bar drive levers, and push rods operatively connected thereto, comprising: (a) thread provider means for supplying a plurality of weft threads; and (b) means for sequentially carrying each of said weft threads across the width of said machine, said carrying means being angularly disposed towards said needle bed, within the space included by said needle bed, said push rods and said guide bar drive levers.
Claim 2
Dependent Claim
81 words
A weft inserting apparatus for use with a warp knitting machine having a needle bed, guide bar drive levers, and push rods operatively connected thereto, comprising: (a) thread provider means for supplying a plurality of weft threads; and (b) means for sequentially carrying each of said weft threads across the width of said machine, said carrying means being angularly disposed towards said needle bed, within the space included by said needle bed, said push rods and said guide bar drive levers.
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) | 1983-09-02 | 1984-03-03 | 1984-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-02 | 1988-03-03 | 1988-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-02 | 1992-03-03 | 1992-09-02 | $7700.00 | Window Closed / Lapsed |