US1882950A - Holder for bobbins or spools - Google Patents

Holder for bobbins or spools Download PDF

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Publication number
US1882950A
US1882950A US481569A US48156930A US1882950A US 1882950 A US1882950 A US 1882950A US 481569 A US481569 A US 481569A US 48156930 A US48156930 A US 48156930A US 1882950 A US1882950 A US 1882950A
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Prior art keywords
holder
spool
fingers
bobbin
spools
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US481569A
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Jr Watson B Rulon
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00Winding, coiling, or depositing filamentary material
    • B65H54/02Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40Arrangements for rotating packages
    • B65H54/54Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
    • B65H54/543Securing cores or holders to supporting or driving members, e.g. collapsible mandrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to holders for spools and Other hollow articles and it relates more particularly to holders for hollow bobbins or spools as used in the textile industry for the winding of yarn or other purposes, and the primary object of the invention is to provide a novel and improved holder for hollow bobbins or spools which is capable of expeditiously grippingand releasing the bobbin or spool but which will securely hold the bobbin or spool in properly centered position. and so that it can be rotated in either direction without releasing its grip thereon. which will compensate for variations in the diameter of the spool, and whichissimple in construction and subject to minimum wear and the parts of-which are readily accessible so that they may be easily cleaned When necessary. h
  • FIG. 1 is aside elevation of a bobbin or spool holder'constructed in accordance with the present invention, a hollow bobbin or spool being shown in section mounted and secured on the holder:
  • I 1 F ig.'2 is an endelev'ation ofthe holder and bobbin or spool as viewed from the right in Fig. 1;
  • Fig. 3 is a viea similar to Fig; 1 but show: ing the hollow bobbin or spool in released relation with the holder, as when partially mounted upon or removed from theholder;
  • Fig.v t is an end elevation of the holder with the gripping fingers removed
  • Fig. 5 is a detail longitudinal view of one of the gripping fingers removed. from the holder
  • v i Fig. 6 is an end view of the gripping finger as viewed from the left-in Fig. 5.
  • the present invention provides a holder or mandrel which is adapted to be used for gripping and centering hollow devices of various kinds, it being shown in the present instance as adapted to removably grip and center the hollow bobbins or spools as used in the textile industry.-
  • the preferred embodiment of the invention is shown in the accompanying drawings and will hereinafter be described in detail but it is to be understood that the invention is not restricted to the precise construction shown since equivalent constructions are contemplated and such will be included within the scope of the claims.
  • the holder as shown in the present instance comprises a head 1 which may be composed of suitable material having a bore 2 to receive a spindle on which it may be mounted for rotation and by which the holder and the bobbin or spool thereon may be revolved, the body or head being preferably formed at one end with a circumferential flange 3.
  • the body 1 is provided with a suitable number of bobbin or spool gripping fingers, three of these fingers being shown for example in the present instance, and these fingers are spaced prefer"- ably equidistantly in a direction circumferentially of the body.
  • slots 5 which are formed radially in the body 1 and extend longitudinally of the axis thereof, the fingers being capable of rocking in their respective slots and the slots being preferably spaced equidistantly around the circumference of the body.
  • Each gripping finger is rockably mounted in its respective slot, it being preferably provided with a segmental fulcrum 6 which is rotatably seated in a concentric recess or socket 7 formed in'the inner or bottom wall of the slot, and the outer edge of each gripping finger is formed, at a point substantially opposite to its fulcrum 6, with a notch 8 to receive the flexible band 9 of rubber, metal or other suitable material, this flexible band serving to retain the gripping fingers in the body of the holder with their fulcrums properly bearing in their cooperating recesses 0r seats.
  • each gripping finger extends from the fulcrum 6 beyond the body 1 and is provided with a pad 11 which is adapted to bear against the inner side of the hollow bobbin r spool X, and the other end 12 of each gripping finger extends in the opposite direction from the fulcrum 6 toward the flange 3 of the body, and the outer edge or surface 13 of this end of the gripping finger is bevelled or inclined upwardly or outwardly relatively to the pad 11, this edge or surface of each gripping finger being adapted to engage within an end of the hollow bobbin or spool X.
  • one end of the bobbin or spool X is inserted endwise over the pads 11 of the gripping fingers and pushed axially against the flange 3 on the body of the holder whose face is perpendicular to the axis of the holder.
  • the end of the bobbin or spool engages and rides upon the bevelled or inclined edges 13 of the gripping fingers, the latter will be rocked about their fulcrums 6 in a direction to force the pads 11 outward- 1y against the inside wall or surface of the hollow bobbin or spool, as will be seen from Fig.
  • the bobbin or spool Since the gripping fingers are spaced equidistantly circumferentially of the holder, the bobbin or spool will be automatically centered upon the holder and since it bears against the face of flange 3 perpendicular to the axis of the holder, it will be firmly supported both radially and axially and will not be subject to tilting relatively to the holder.
  • To remove the bobbin or spool it is only necessary to withdraw it endwise therefrom, such withdrawal of thebobbin or spool causing its end which engages the inclined edges 13 of the gripping fingers to ride downwardly or inwardly thereon, thereby permitting the gripping fingers to rock into positions which will release the pads 11 thereof from the bobbin or spool.
  • the spool engaging portion of the pads 11 are preferably faced with rubber or other suitable flexible or compressible material indicated at 15, these flexible or compressible facings yielding, more or less according to variations in the diameters of the hollow bobbins or spools and thereby enabling the holder to substantially uniformly grip and hold the bobbins or spools, and such flexible faeings on the pads of the gripping fingers increase the hold of the fingers upon the bobbin or spool.
  • the fulcrums 6 of the gripping fingers are preferably located toward the ends thereof having the inclined surfaces 13 thereon so that the inclined surfaces 13 which, in cooperation with the end of the bobbin or spool effeet the rocking of the gripping fingers into locking and released positions, may be made relatively short, with the result that the slightest withdrawal of the bobbin or spool from the holder unlocks the gripping fingers and facilitates removal of the bobbin or spool and wear of the gripping fingers is reduced to a minimum.
  • the flexible band 9 which retains the fulcrums 6 of the grippin Bocs or seats 7 preferably has a normal tendency to contract and the notches 8 in the gripping fingers in which this band rests are preferably located at the sides of the centers of the fulcrums 6 which are toward the outer ends or pads 11 of the gripping fingers, so that the contracting tendency of the band 9 will hold the pads 11 in relatively retracted position, thus facilitating the insertion of a bobbin or spool thereover.
  • a holder or mandrel constructed substantially as hereinbefore described enables a bobbin, spool or other hollow device to be securely supported in truly centered position thereon and rotated in either direction without liability of releasing the grip of the holder thereon, since the grip of the fingers can be released only by a movement of the bobbin or spool axially of the holder and is unaffected by any possible slip between the holder and the bobbin or spool due to acceleration in its speed of rotation, and the grip of the fingers on the bobbin or spool is at the maximum when the latter is fully inserted on the holder.
  • the fingers By mounting the fingers on fulcrums located in slots in the body, the fingers may be easily and quickly removed for cleaning or other purposes after removing the flexible retaining band, and displacement of the fingers while a bobbin or spool is on the holder is precluded since the inward pressure then exerted on both ends of the fingers firmly locks the v fingers in their re- I fulcrums thereon in the recesses in the body of the holder.
  • a holder for hollow bobbins or spools comprising a body having radial slots therein spaced circumferentially thereof, fiat gripping fingers inserted edgewise in said slots and having fulcrum portions thereon located at their inner sides and between their ends and seated in the bottom of said slots in the body, and a band encircling said fingers for retaining the fingers removably in said slots.
  • a holder for hollow bobbins or spools comprising a body having recesses therein spaced circumferentially thereof, gripping fingers having fulcrum portions thereon lo cated at their inner sides and between their ends and seated in said recesses in the body and having'their bobbin or spool receiving ends projecting beyond said body, and a flexible band bearing on the outer sides of the fingers at the side of the fulcrum portions thereon" toward said projecting ends of the fingers 'and normally holding said projecting ends of the fingers in retracted relation.
  • a holder for hollow bobbins or spools comprising a body and lever-like gripping fingers spaced circumferentially thereof and .ifulcrumed thereon at points between their ends, the ends of the fingers at one side of their fulcrums providing outwardly inclined gsupporting surfaces to enter and grip the holgl low bobbins or spools and to rock the fingers on their fulcrums and the fingers at the opposite side other ends of the of their fulcrums having yieldable facings thereon to engage the bobbins or spools by said rocking of the fin ers.

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  • Storage Of Web-Like Or Filamentary Materials (AREA)

Description

Oct. 18, 1932. I B. RULON, JR 1,882,950
HOLDER FOR BOBBINS on SPOOLS Filed Sept. 12. 1930 2Sheets-Sheet 1 Jmmtw Oct. 18, 1932. w. B. RULON, JR 1,882,950
HOLDER FOR BOBBINS 0R SPOOLS Filed Sept. 12. 1950 Sheets-Sheet 2.
wa fs'a/yaa file/017 v Patented Oct. 18, 1932 WATSON B. RULON, m, or PHILADE PHIA, PENNSYLVANIA HOLDER on nomams OR sPooLs Application filed September 12, 1930. Serial No. 481,569.
The present invention relates to holders for spools and Other hollow articles and it relates more particularly to holders for hollow bobbins or spools as used in the textile industry for the winding of yarn or other purposes, and the primary object of the invention is to provide a novel and improved holder for hollow bobbins or spools which is capable of expeditiously grippingand releasing the bobbin or spool but which will securely hold the bobbin or spool in properly centered position. and so that it can be rotated in either direction without releasing its grip thereon. which will compensate for variations in the diameter of the spool, and whichissimple in construction and subject to minimum wear and the parts of-which are readily accessible so that they may be easily cleaned When necessary. h
To these and other ends, the invention consists in certain improvements and combinations and arrangements of parts all as will be hereinafter more fully described, the fea; tures of novelty being pointed. out particularly in the claims at the end of the specification. 5
In the accompanying. drawings Fig. 1 is aside elevation of a bobbin or spool holder'constructed in accordance with the present invention, a hollow bobbin or spool being shown in section mounted and secured on the holder: I 1 F ig.'2 is an endelev'ation ofthe holder and bobbin or spool as viewed from the right in Fig. 1; v
Fig. 3 is a viea similar to Fig; 1 but show: ing the hollow bobbin or spool in released relation with the holder, as when partially mounted upon or removed from theholder;
Fig.v t is an end elevation of the holder with the gripping fingers removedg' Fig. 5 is a detail longitudinal view of one of the gripping fingers removed. from the holder; and v i Fig. 6 is an end view of the gripping finger as viewed from the left-in Fig. 5.
Similar' arts are designated by the same reference 0 iaracters in the several figures.
The present invention providesa holder or mandrel which is adapted to be used for gripping and centering hollow devices of various kinds, it being shown in the present instance as adapted to removably grip and center the hollow bobbins or spools as used in the textile industry.- The preferred embodiment of the invention is shown in the accompanying drawings and will hereinafter be described in detail but it is to be understood that the invention is not restricted to the precise construction shown since equivalent constructions are contemplated and such will be included within the scope of the claims.
The holder as shown in the present instance comprises a head 1 which may be composed of suitable material having a bore 2 to receive a spindle on which it may be mounted for rotation and by which the holder and the bobbin or spool thereon may be revolved, the body or head being preferably formed at one end with a circumferential flange 3. The body 1 is provided with a suitable number of bobbin or spool gripping fingers, three of these fingers being shown for example in the present instance, and these fingers are spaced prefer"- ably equidistantly in a direction circumferentially of the body. These'fiugers, which are preferably flat or parallel-sided in cross section, are inserted in slots 5 which are formed radially in the body 1 and extend longitudinally of the axis thereof, the fingers being capable of rocking in their respective slots and the slots being preferably spaced equidistantly around the circumference of the body. Each gripping finger is rockably mounted in its respective slot, it beingpreferably provided with a segmental fulcrum 6 which is rotatably seated in a concentric recess or socket 7 formed in'the inner or bottom wall of the slot, and the outer edge of each gripping finger is formed, at a point substantially opposite to its fulcrum 6, with a notch 8 to receive the flexible band 9 of rubber, metal or other suitable material, this flexible band serving to retain the gripping fingers in the body of the holder with their fulcrums properly bearing in their cooperating recesses 0r seats.
One end 10 of each gripping finger extends from the fulcrum 6 beyond the body 1 and is provided with a pad 11 which is adapted to bear against the inner side of the hollow bobbin r spool X, and the other end 12 of each gripping finger extends in the opposite direction from the fulcrum 6 toward the flange 3 of the body, and the outer edge or surface 13 of this end of the gripping finger is bevelled or inclined upwardly or outwardly relatively to the pad 11, this edge or surface of each gripping finger being adapted to engage within an end of the hollow bobbin or spool X.
In using a bobbin or spool holder constructed as hereinbefore described, one end of the bobbin or spool X is inserted endwise over the pads 11 of the gripping fingers and pushed axially against the flange 3 on the body of the holder whose face is perpendicular to the axis of the holder. As the end of the bobbin or spool engages and rides upon the bevelled or inclined edges 13 of the gripping fingers, the latter will be rocked about their fulcrums 6 in a direction to force the pads 11 outward- 1y against the inside wall or surface of the hollow bobbin or spool, as will be seen from Fig. 3, and when the bobbin or spool has been fully inserted upon the holder as shown in Fig. 1, the bobbin or spool will be firmly gripped by the outward pressure exerted thereon by the pads 11 and by the edges 13 of the gripping fingers, and when the bobbin or spool is fully inserted upon the holder, its inner end bears uniformly against the face of flange 3. Since the gripping fingers are spaced equidistantly circumferentially of the holder, the bobbin or spool will be automatically centered upon the holder and since it bears against the face of flange 3 perpendicular to the axis of the holder, it will be firmly supported both radially and axially and will not be subject to tilting relatively to the holder. To remove the bobbin or spool, it is only necessary to withdraw it endwise therefrom, such withdrawal of thebobbin or spool causing its end which engages the inclined edges 13 of the gripping fingers to ride downwardly or inwardly thereon, thereby permitting the gripping fingers to rock into positions which will release the pads 11 thereof from the bobbin or spool.
In order to enable the holder to compensate for variations in diameters of the bobbins or spools, the spool engaging portion of the pads 11 are preferably faced with rubber or other suitable flexible or compressible material indicated at 15, these flexible or compressible facings yielding, more or less according to variations in the diameters of the hollow bobbins or spools and thereby enabling the holder to substantially uniformly grip and hold the bobbins or spools, and such flexible faeings on the pads of the gripping fingers increase the hold of the fingers upon the bobbin or spool.
The fulcrums 6 of the gripping fingers are preferably located toward the ends thereof having the inclined surfaces 13 thereon so that the inclined surfaces 13 which, in cooperation with the end of the bobbin or spool effeet the rocking of the gripping fingers into locking and released positions, may be made relatively short, with the result that the slightest withdrawal of the bobbin or spool from the holder unlocks the gripping fingers and facilitates removal of the bobbin or spool and wear of the gripping fingers is reduced to a minimum.
The flexible band 9 which retains the fulcrums 6 of the grippin cesses or seats 7 preferably has a normal tendency to contract and the notches 8 in the gripping fingers in which this band rests are preferably located at the sides of the centers of the fulcrums 6 which are toward the outer ends or pads 11 of the gripping fingers, so that the contracting tendency of the band 9 will hold the pads 11 in relatively retracted position, thus facilitating the insertion of a bobbin or spool thereover. While the bobbin or spool is in locked position on the holder, the compression which it exerts on the opposits ends of the gripping fingers will firmly retain the fulcrums 6 of the gripping fingers in the respective recesses or seats 7 in the body of the holder, thereby precluding endwise displacement of the gripping fingers while a obbin or spool is mounted on the holder.
A holder or mandrel constructed substantially as hereinbefore described enables a bobbin, spool or other hollow device to be securely supported in truly centered position thereon and rotated in either direction without liability of releasing the grip of the holder thereon, since the grip of the fingers can be released only by a movement of the bobbin or spool axially of the holder and is unaffected by any possible slip between the holder and the bobbin or spool due to acceleration in its speed of rotation, and the grip of the fingers on the bobbin or spool is at the maximum when the latter is fully inserted on the holder. Any lack of uniformity in the diameter of the bobbins or spools will be compensated for by the flexible or yieldable faces on the pads of the gripping fingers, assisted by the flexibility of the lever-like fingers under the pressure imposed upon their extreme ends at the opposite sides of their fulcrums. 'While three gripping fingers are shown which are spaced equidistantly circumferentially of the holder, providing six supporting points for the bobbin or spool, it will be understood that a different number of fingers may be used if desired.
By mounting the fingers on fulcrums located in slots in the body, the fingers may be easily and quickly removed for cleaning or other purposes after removing the flexible retaining band, and displacement of the fingers while a bobbin or spool is on the holder is precluded since the inward pressure then exerted on both ends of the fingers firmly locks the v fingers in their re- I fulcrums thereon in the recesses in the body of the holder. I
I claim as my invention 1. A holder for hollow bobbins or spools comprising a body having radial slots therein spaced circumferentially thereof, fiat gripping fingers inserted edgewise in said slots and having fulcrum portions thereon located at their inner sides and between their ends and seated in the bottom of said slots in the body, and a band encircling said fingers for retaining the fingers removably in said slots.
i 2. A holder for hollow bobbins or spools comprising a body having recesses therein spaced circumferentially thereof, gripping fingers having fulcrum portions thereon lo cated at their inner sides and between their ends and seated in said recesses in the body and having'their bobbin or spool receiving ends projecting beyond said body, and a flexible band bearing on the outer sides of the fingers at the side of the fulcrum portions thereon" toward said projecting ends of the fingers 'and normally holding said projecting ends of the fingers in retracted relation.
3. A holder for hollow bobbins or spools comprising a body and lever-like gripping fingers spaced circumferentially thereof and .ifulcrumed thereon at points between their ends, the ends of the fingers at one side of their fulcrums providing outwardly inclined gsupporting surfaces to enter and grip the holgl low bobbins or spools and to rock the fingers on their fulcrums and the fingers at the opposite side other ends of the of their fulcrums having yieldable facings thereon to engage the bobbins or spools by said rocking of the fin ers.
n testimony whereof I have hereunto set my hand.
WATSON B. RULON,JR.
US481569A 1930-09-12 1930-09-12 Holder for bobbins or spools Expired - Lifetime US1882950A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469590A (en) * 1945-06-20 1949-05-10 Celanese Corp Bobbin holder
US2562990A (en) * 1947-06-16 1951-08-07 Ann R Peebles Dereeling tension control
US2713979A (en) * 1951-03-08 1955-07-26 Norman D Sigman Yarn cake holder
US2891739A (en) * 1954-09-01 1959-06-23 Lof Glass Fibers Co Tube-holding mechanism
US2904278A (en) * 1954-12-14 1959-09-15 Claud C Riemenschneider Means for rotatably mounting carpet rolls and the like
EP0013178A1 (en) * 1978-12-29 1980-07-09 Monsanto Company Chuck assembly
US4291844A (en) * 1980-04-28 1981-09-29 Midland-Ross Corporation Shaftless rewind chuck
FR2566753A1 (en) * 1984-06-29 1986-01-03 King Instrument Corp WINDING PIN
US4705231A (en) * 1987-04-15 1987-11-10 Tuftco Corporation Yarn carrier holder
DE4122806A1 (en) * 1991-07-10 1993-01-14 Jagenberg Ag Paper roll expanding clamp head changer - has grip with boss of smaller diameter than stub shaft accommodating head
DE102004045747A1 (en) * 2004-09-21 2006-03-23 Saurer Gmbh & Co. Kg Shell-type mandrel for an operating site of a cross-winding device comprises a clamping unit having clamping claw groups which can be adjusted in height against the inner wall of a sleeve
US9617112B1 (en) 2009-10-23 2017-04-11 Southwire Company, Llc Independently rotatable flanges and attachable arbor hole adapters
USD836560S1 (en) 2016-06-23 2018-12-25 Southwire Company, Llc Flange with vertical slot and jack
US10766735B2 (en) 2015-08-19 2020-09-08 Southwire Company, Llc Flange stand and adapter for flanges
USD898676S1 (en) 2016-06-23 2020-10-13 Southwire Company, Llc Flange
USD899379S1 (en) 2016-06-23 2020-10-20 Southwire Company, Llc Flange
EP4382465A1 (en) * 2022-12-08 2024-06-12 Starlinger & Co Gesellschaft m.b.H. Winding machine fixing mechanism, winding machine and method for coupling and/or decoupling a bobbin tube to or from a winding spindle of a winding machine

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469590A (en) * 1945-06-20 1949-05-10 Celanese Corp Bobbin holder
US2562990A (en) * 1947-06-16 1951-08-07 Ann R Peebles Dereeling tension control
US2713979A (en) * 1951-03-08 1955-07-26 Norman D Sigman Yarn cake holder
US2891739A (en) * 1954-09-01 1959-06-23 Lof Glass Fibers Co Tube-holding mechanism
US2904278A (en) * 1954-12-14 1959-09-15 Claud C Riemenschneider Means for rotatably mounting carpet rolls and the like
EP0013178A1 (en) * 1978-12-29 1980-07-09 Monsanto Company Chuck assembly
US4291844A (en) * 1980-04-28 1981-09-29 Midland-Ross Corporation Shaftless rewind chuck
FR2566753A1 (en) * 1984-06-29 1986-01-03 King Instrument Corp WINDING PIN
EP0188527A1 (en) * 1984-06-29 1986-07-30 King Instrument Corp Takeup spindle.
EP0188527A4 (en) * 1984-06-29 1986-10-14 King Instrument Corp Takeup spindle.
US4705231A (en) * 1987-04-15 1987-11-10 Tuftco Corporation Yarn carrier holder
DE4122806A1 (en) * 1991-07-10 1993-01-14 Jagenberg Ag Paper roll expanding clamp head changer - has grip with boss of smaller diameter than stub shaft accommodating head
DE102004045747A1 (en) * 2004-09-21 2006-03-23 Saurer Gmbh & Co. Kg Shell-type mandrel for an operating site of a cross-winding device comprises a clamping unit having clamping claw groups which can be adjusted in height against the inner wall of a sleeve
CN1751980B (en) * 2004-09-21 2011-10-19 欧瑞康纺织有限及两合公司 Inserting tube yarn spindle of cross winding automatic device working position
US9617112B1 (en) 2009-10-23 2017-04-11 Southwire Company, Llc Independently rotatable flanges and attachable arbor hole adapters
US10221036B2 (en) 2009-10-23 2019-03-05 Southwire Company, Llc Independently rotatable flanges and attachable arbor hole adapters
US9828209B2 (en) * 2015-08-19 2017-11-28 Southwire Company, Llc Independently rotatable flanges and attachable arbor hole adapters
US10766735B2 (en) 2015-08-19 2020-09-08 Southwire Company, Llc Flange stand and adapter for flanges
US11124382B2 (en) 2015-08-19 2021-09-21 Southwire Company, Llc Independently rotatable flanges and attachable arbor hole adapters
USD836560S1 (en) 2016-06-23 2018-12-25 Southwire Company, Llc Flange with vertical slot and jack
USD898676S1 (en) 2016-06-23 2020-10-13 Southwire Company, Llc Flange
USD899379S1 (en) 2016-06-23 2020-10-20 Southwire Company, Llc Flange
EP4382465A1 (en) * 2022-12-08 2024-06-12 Starlinger & Co Gesellschaft m.b.H. Winding machine fixing mechanism, winding machine and method for coupling and/or decoupling a bobbin tube to or from a winding spindle of a winding machine
WO2024120755A1 (en) 2022-12-08 2024-06-13 Starlinger & Co. Gesellschaft M.B.H. Winding machine fixing mechanism, winding machine, and method for coupling and/or decoupling a bobbin tube to or from a bobbin spindle of a winding machine

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