Patent US2591344A successfully refreshed from Google Patents.
Patent US3552693A successfully refreshed from Google Patents.
US3552693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin-spool holder for twining and spinning machinery
Assignee: Hammel GmbH Zwirnerei und Spinnereimachinen
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Filing: 1969-06-16
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Granted: 1971-01-05
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Expires: 1989-06-16
Abstract
Abstract Two spools, each with a hollow core, are stacked in a cylindrical housing with the aid of a central body having a hollow stem traversed by a tubular spindle through which the threads from the spools are guided, this body having two axially spaced cylindrical centering surfaces, fitting snugly into adjoining ends of the corresponding spool cores, and an annular ridge between these shoulders separating the cores. The spool cores are removably retained on the central body by oversized elastic discs axially spaced from the cylindrical shoulders.
Inventors
- 👤 Siegfried Scherf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:52
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/10; D01H1/105; D01H1/106; D01H1/108; B; B65; B65H; B65H49/00; B65H49/36; B65H49/38; B65H75/00; B65H75/02; B65H75/18; B65H75/185; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
118 words
A supply device for simultaneously dispensing threads from two spools, comprising a pair of coaxially juxtaposed cylindrically tubular cores having respective spools wound thereon, a central body coaxially positioned within said cores, said body having a peripheral ridge in contact with confronting ends of said cores, and retaining means carried by said body on opposite sides of said ridge for releasably gripping said cores from within, said body being provided with a pair of cylindrical centering surfaces independent of said retaining means disposed on opposite sides of said ridge for snugly fitting engagement with said confronting ends of said cores, said body projecting into at least one of said cores over substantially less than the axial core length.
Claim 2
Dependent Claim
118 words
A supply device for simultaneously dispensing threads from two spools, comprising a pair of coaxially juxtaposed cylindrically tubular cores having respective spools wound thereon, a central body coaxially positioned within said cores, said body having a peripheral ridge in contact with confronting ends of said cores, and retaining means carried by said body on opposite sides of said ridge for releasably gripping said cores from within, said body being provided with a pair of cylindrical centering surfaces independent of said retaining means disposed on opposite sides of said ridge for snugly fitting engagement with said confronting ends of said cores, said body projecting into at least one of said cores over substantially less than the axial core length.
Claim 3
Dependent Claim
36 words
A device as defined in claim 1 wherein said retaining means comprises a pair of oversized resilient annular discs axially spaced from said centering surfaces for free peripheral deformation upon insertion thereof into a corresponding core.
Claim 4
Dependent Claim
39 words
A device as defined in claim 2 wherein said body is provided with axial shoulders disposed immediately beyond said discs in the direction of insertion for preventing reverse deformation thereof, said shoulders having smaller diameters than said centering surfaces.
Claim 5
Dependent Claim
26 words
A device as defined in claim 3 wherein said body is formed with annular grooves adjoining said shoulders, said discs being resiliently fitted in said grooves.
Claim 6
Dependent Claim
27 words
A device as defined in claim 1, further comprising a cylindrical housing coaxially surrounding said spools and forming a central seat for said one of said cores.
Claim 7
Dependent Claim
31 words
A device as defined in claim 5 wherein said housing has a bottom provided with a central boss forming said seat, said boss projecting partly into said one of said cores.
Claim 8
Dependent Claim
28 words
A device as defined in claim 6 wherein said bottom is formed with an annular groove around said boss receiving an end of said one of said cores.
Claim 9
Dependent Claim
29 words
A device as defined in claim 6, further comprising a hollow spindle traversing said boss, said spindle extending axially beyond said housing for receiving threads from both said spools.
Claim 10
Dependent Claim
25 words
A device as defined in claim 8, further comprising a hollow stem traversing said body and extending axially therebeyond, said spindle passing through said stem.
Claim 11
Dependent Claim
40 words
In combination, a plurality of supply devices as defined in claim 1 and a movable rack with a plurality of bosses each entering said one of said cores of a respective supply device for removably supporting same on said rack.
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |