Patent US3817291A successfully refreshed from Google Patents.
US3817291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic progressive shed loom
Assignee: Wirkmaschinenbau Karl Marx Veb
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Filing: 1972-10-17
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Granted: 1974-06-18
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Expires: 1992-10-17
Abstract
Abstract The invention relates to a take-up transport device for the shuttles of a progressive shed automatic loom coming out of the shed, there being used as take-up and transport means an onwardly-rotatable magazine rim for the temporary retention and onward movement of the shuttles up into the return device.
Inventors
- 👤 G Welzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:46
CPC Classifications
D; D03; D03D; D03D47/00; D03D47/12; D03D47/26
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
108 words
An automatic progressive shed loom comprising a device for receiving shuttles leaving the shed and transferring them to a return device for movement across the loom, said receiving and transferring device comprising a fixed return drum having a shuttle receiving station adjacent an end of a shuttle path, and a return station; and a rotor, said rotor being coaxial with and surrounding the drum and rotatable about an axis parallel to said shuttle path, said rotor having a plurality of compartments adjacent the drum and means for rotating the rotor whereby a shuttle received in a compartment at the receiving station is transported to said return station therein.
Claim 2
Dependent Claim
108 words
An automatic progressive shed loom comprising a device for receiving shuttles leaving the shed and transferring them to a return device for movement across the loom, said receiving and transferring device comprising a fixed return drum having a shuttle receiving station adjacent an end of a shuttle path, and a return station; and a rotor, said rotor being coaxial with and surrounding the drum and rotatable about an axis parallel to said shuttle path, said rotor having a plurality of compartments adjacent the drum and means for rotating the rotor whereby a shuttle received in a compartment at the receiving station is transported to said return station therein.
Claim 3
Dependent Claim
44 words
A loom as claimed in claim 1 wherein said drum has a peripheral groove opening at an edge of the drum adjacent an end of a shuttle path, said opening constituting the shuttle receiving station whereby a shuttle enters a compartment through said opening.
Claim 4
Dependent Claim
34 words
A loom as claimed in claim 2 wherein said groove is defined at said opening by a wall inclined from said edge of the drum in the direction of movement of a compartment therepast.
Claim 5
Dependent Claim
36 words
A loom as claimed in claim 2 wherein said groove opens at an edge of the drum below a warp path and at the return station whereby shuttle exits from the groove at said return station.
Claim 6
Dependent Claim
21 words
A loom as claimed in claim 1 wherein said means for rotating the rotor comprises means for driving the weaving shaft.
Claim 7
Dependent Claim
18 words
A loom as claimed in claim 5 wherein said weaving shaft extends through an opening in said drum.
Claim 8
Dependent Claim
17 words
A loom as claimed in claim 1 wherein said return station is disposed below said shuttle path.
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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |