Patent US4100766A successfully refreshed from Google Patents.
US4100766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat knitting machine having four opposed needle beds
Assignee: Henkel Dorus GmbH and Co KG
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Filing: 1977-06-10
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Granted: 1978-07-18
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Expires: 1997-06-10
Abstract
Abstract A flat knitting machine based on a flat Vee-bed arrangement has four opposed needle beds comprising front and back main needle beds and front and back auxiliary needle beds located above the main beds. A carriage traversible the length of the beds includes a cam assembly for imparting knitting and loop transferring motions to the needles in all the beds. By selective co-operation of the several beds flat and tubular knitted fabrics of any known design can be produced.
Inventors
- 👤 Gottfried Kuhnert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:13
CPC Classifications
D; D04; D04B; D04B7/00; D04B7/30; D04B7/32; D04B1/00; D04B1/10; D04B1/102; D04B1/106; D04B15/00; D04B15/32; D04B15/36; D04B15/362; D04B15/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A flat knitting machine comprised of two flat V-bed knitting machines each having two opposed needle beds alternately arranged to provide front and back main beds and front and back auxiliary beds located above the main beds, wherein each of said beds are the same length each main bed and the auxiliary bed which faces it from a pair of cooperating needle beds, and single carriage means arranged to transverse the entire length of all the needle beds and including cam means for imparting knitting and loop transferring motions to the needles on both the main beds and both the auxiliary beds, said cam means comprising two transfer cams operable in both directions of traverse as a leading and trailing transfer cam and a double stitch cam system interposed between them.
Claim 2
Dependent Claim
131 words
A flat knitting machine comprised of two flat V-bed knitting machines each having two opposed needle beds alternately arranged to provide front and back main beds and front and back auxiliary beds located above the main beds, wherein each of said beds are the same length each main bed and the auxiliary bed which faces it from a pair of cooperating needle beds, and single carriage means arranged to transverse the entire length of all the needle beds and including cam means for imparting knitting and loop transferring motions to the needles on both the main beds and both the auxiliary beds, said cam means comprising two transfer cams operable in both directions of traverse as a leading and trailing transfer cam and a double stitch cam system interposed between them.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-17 | 1982-01-16 | 1982-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-17 | 1986-01-16 | 1986-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-17 | 1990-01-16 | 1990-07-18 | $7700.00 | Window Closed / Lapsed |