US4570683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn holding device
Assignee: Sulzer AG
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Filing: 1985-05-21
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Granted: 1986-02-18
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Expires: 2005-05-21
Abstract
Abstract A yarn end holding device for a loom, the device including a fluid channel along which a fluid flow is directed to draw the yarn end into the channel and clamp means positioned to receive the yarn end and hold it during beat-up.
Inventors
- 👤 John D. Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:39
CPC Classifications
D; D03; D03D; D03D47/00; D03D47/28; D03D47/30; D03D47/3066; D03D47/308
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
202 words
A weft yarn end holding device for a fluid loom comprising a stationary housing secured to the loom frame, a fluid channel located internally of the housing along which a fluid flow is directed to draw the weft yarn end into the channel, the channel having an elongate mouth extending in the direction of the warp sheet of the loom, the mouth having a yarn receiving portion for receiving the yarn end after the weft yarn has been shot across the warp sheet, clamp means located in fixed position adjacent the mouth and including a pair of jaws extending between said yarn receiving portion of the mouth and the fell of the loom, one of the jaws being resiliently deflectable and at least one of the jaws being movable to effect opening and closing of the clamp means, and means to actuate the clamp means to open the jaws to receive a yarn end as the weft yarn moves toward the fell and to subsequently close the jaws to yieldingly grip the yarn end so that, on continued movement of the weft yarn toward the fell, the yarn end is dragged along the mouth and the clamp means and is tensioned thereby.
Claim 2
Dependent Claim
202 words
A weft yarn end holding device for a fluid loom comprising a stationary housing secured to the loom frame, a fluid channel located internally of the housing along which a fluid flow is directed to draw the weft yarn end into the channel, the channel having an elongate mouth extending in the direction of the warp sheet of the loom, the mouth having a yarn receiving portion for receiving the yarn end after the weft yarn has been shot across the warp sheet, clamp means located in fixed position adjacent the mouth and including a pair of jaws extending between said yarn receiving portion of the mouth and the fell of the loom, one of the jaws being resiliently deflectable and at least one of the jaws being movable to effect opening and closing of the clamp means, and means to actuate the clamp means to open the jaws to receive a yarn end as the weft yarn moves toward the fell and to subsequently close the jaws to yieldingly grip the yarn end so that, on continued movement of the weft yarn toward the fell, the yarn end is dragged along the mouth and the clamp means and is tensioned thereby.
Claim 3
Dependent Claim
44 words
A device according to claim 1, wherein the clamp means comprises an upper jaw and a lower jaw, the upper jaw being resiliently deflectable and the lower jaw being movable relative to the upper jaw to effect opening and closing of the clamp means.
Claim 4
Dependent Claim
45 words
A device according to claim 2, wherein the lower jaw has mounted thereon a cutting blade which extends beyond the beat-up position of the reed, said cutting blade cooperating with a cutting blade mounted on the housing to define cutting means for trimming yarn ends.
Claim 5
Dependent Claim
32 words
A device according to claim 2, wherein said fluid flow along the channel is created or assisted by suction means arranged to create a suction effect at the mouth of said channel.
Claim 6
Dependent Claim
32 words
A device according to claim 2, wherein said fluid flow along the channel is created to assisted by suction means arranged to create a suction effect at the mouth of said channel.
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) | 1989-02-17 | 1989-08-19 | 1990-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-17 | 1993-08-19 | 1994-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-17 | 1997-08-19 | 1998-02-18 | $7700.00 | Window Closed / Lapsed |