Patent US4141230A successfully refreshed from Google Patents.
US4141230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jacquard controlled warp knitting machine with slidable thread guides
Assignee: Karl Mayer Textilmaschinenfabrik GmbH
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Filing: 1978-02-14
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Granted: 1979-02-27
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Expires: 1998-02-14
Abstract
Abstract There is provided an improved jacquard controlled warp knitting machine having ground stitch guides and jacquard controlled pattern guides. The improved feature lies in the slidable mounting of the jacquard controlled guides on their pattern guide bar and the control of the distance said guides may slide on said bar by the action of the jacquard dropper bars and of clamping means.
Inventors
- 👤 Karl Kohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:42
CPC Classifications
D; D04; D04B; D04B27/00; D04B27/10; D04B27/24; D04B27/32
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
126 words
In a jacquard controlled warp knitting machine comprising (a) at least one needle bed provided with needles, (b) at least one ground stitch guide bar having guides attached thereto, (c) a plurality of jacquard droppers, (d) a jacquard arrangement for controlling said jacquard droppers, (e) at least one pattern guide bar, and (f) drive means for said machine, the improvement which comprises (i) a plurality of guides slidably mounted on said pattern guide bar, (ii) tabs attached to guides, said tabs being positioned to be interactable with the jacquard droppers upon activation thereof by the jacquard arrangement, (iii) clamping and declamping means for clamping said guides to and releasing said guides from said pattern guide bar, (iv) activating means for activating and deactivating said clamping means.
Claim 2
Dependent Claim
126 words
In a jacquard controlled warp knitting machine comprising (a) at least one needle bed provided with needles, (b) at least one ground stitch guide bar having guides attached thereto, (c) a plurality of jacquard droppers, (d) a jacquard arrangement for controlling said jacquard droppers, (e) at least one pattern guide bar, and (f) drive means for said machine, the improvement which comprises (i) a plurality of guides slidably mounted on said pattern guide bar, (ii) tabs attached to guides, said tabs being positioned to be interactable with the jacquard droppers upon activation thereof by the jacquard arrangement, (iii) clamping and declamping means for clamping said guides to and releasing said guides from said pattern guide bar, (iv) activating means for activating and deactivating said clamping means.
Claim 3
Dependent Claim
14 words
A device in accordance with claim 1 wherein the activating means are electromagnetically controlled.
Claim 4
Dependent Claim
13 words
A device according to claim 1 wherein the activating means are mechanically controlled.
Claim 5
Dependent Claim
17 words
A device in accordance with claim 3 wherein the activating means are controlled by the jacquard arrangement.
Claim 6
Dependent Claim
20 words
A device according to claim 1 wherein said jacquard droppers influencing said guides are mounted on a jacquard tab bar.
Claim 7
Dependent Claim
23 words
A device according to claim 5 wherein said tab bar is displacable in the traverse direction and also moveable in the swing direction.
Claim 8
Dependent Claim
30 words
A device in accordance with claim 1 wherein said pattern guide bar bearing the slidably mounted guides is drivably connected to a drive means providing a constant preselected displacement cycle.
Claim 9
Dependent Claim
54 words
A device in accordance with claim 1 additionally comprising a second pattern bar having a guide bar and having tabs slidably mounted thereon, said second guide bar being mounted in the machine and connected to the displacement control means thereof so as to be 180° out of phase with the first pattern guide bar.
Claim 10
Dependent Claim
25 words
A device according to claim 1 wherein a maximum displacement executable by the tab bar exceeds the maximum underlap displacement of the guides associated therewith.
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) | 1982-02-26 | 1982-08-28 | 1983-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-26 | 1986-08-28 | 1987-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-26 | 1990-08-28 | 1991-02-27 | $7700.00 | Window Closed / Lapsed |