US1392515A - Device for guiding, clearing, and tensioning yarn - Google Patents
Device for guiding, clearing, and tensioning yarn Download PDFInfo
- Publication number
- US1392515A US1392515A US460636A US46063621A US1392515A US 1392515 A US1392515 A US 1392515A US 460636 A US460636 A US 460636A US 46063621 A US46063621 A US 46063621A US 1392515 A US1392515 A US 1392515A
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- Prior art keywords
- yarn
- pin
- support
- disk
- depending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
- B65H63/061—Mechanical slub catcher and detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Definitions
- the object of my invention is to provlde certain improvements-in the construction, form and arrangement of the several parts of a device for guiding, clearing and tensioning arn, whereby the life of the device is materially lengthened; in which the parts which are subject to wear maybe readily replaced; in which the rotation of the gravity operated disk b the yarn 1s assured; in which the depen ing split pin on which the disk is loosely mounted may be readily inserted and removed; and in which all liability of the catching of the yarn on the device when threading the same is eliminated.
- This invention relates more particularly to improvements in the device covered by my application, filed March 11, 1921, Serial No. 451485.
- igure 1 represents the device in top plan.
- Fig. 2 represents the same in side elevation.
- Fig. 5 represents the device in rear elevation.
- Fig. 6 represents a section taken in the plane of the line VIVI of Fig. 1.
- Fig. 7 represents the gravity operated disk in side elevation.
- Fig. 8 represents the same in bottom plan.
- Fig. 9 represents the removable and reversible yarn support grid in perspective.
- Fig. 10 represents the split pin on which the gravity operated disk is mounted, in perspective.
- the bracket is preferably a casting and it comprises a resilient yoke, the lower member of which is denoted by 1 and the upper member by 2. These two members are provided with lateral extensions 3 and 4 respectively, forming between them a slit 5 3 represents the device in bottom 4 represents the same in front eleva- Speclflcatlon of Letters Patent.
- the lateral I extension 3 may be provided with a downwardly extended ear 6, and the lateral extension 4 may be provided with a lug 8 from which a pin 9 projectsdownwardly across the slit 5 to serve as a yarn as it passes fromthe slit.
- the upper member 2 is sprungout of its normal position to vary the width of the slit 5 withoutchanging the arallelism of its walls, by means of an ad usting screw, the shank 10 of which'passes through the upper member 2 across the yoke and into screw-threadedengagement with the lower member 1, the head 11 of which screw is preferably countersunk in a recess 12 in the upper member 2.
- the screw is arranged to spring the upper member 2 toward the lower member 1 of the yoke to narrow the yarn slit 5, the resiliency of the yoke serving to spring the members apart to widen the slit as the screw is turned back.
- the parts hereinabove described serve to act as a very effective and simple yarn clearer or slub catcher which may be readily adjusted to the minutest degree, for different sizes of yarn and then will engage bunches, slubs, knots or other enlarged portions of the yarn for clearing the same.
- the bracket may be supported in any suitable manner on the bar 13 of the machine, as for instance by providing the lower member of the yoke with a hollow lug 14 through which the bar 13 extends; a set screw'15 being provided for securing the bracket on the bar.
- An arm 16 extends laterally from the lower member 1 of the yoke, from which arm project forwardly and rearwardly respectively, fingers 17 and 18, the rearwardly extended finger 18 having a hooked-end 19 which serves as a guide and keeper for the yarn as it enters the device.
- the arm 16 is provided with a depressed portion 20 adjacent the lower member 1 of the yoke over which the yarn leads to the tension device to be immediately described.
- a gravity tension device for the yarn is constructed and arranged as follows
- a guard portion 21 extends rearwardly from the lateral extension 4 of the upper member 2of the bracket and overlaps-on the inside of the forwardly extended finger 17, leaving a space 22 for the introduct on guide for the p of the yarn when threadin the same.
- the upper member is also provi ed with an overhanging portion 23 forming a bridge leading from the rear end of the guard 21 to the front end of the said upper member.
- a split pin extends through the overhanging portion 23 and projects downwardly therefrom to a point below the yarn support to be hereinafter described, which pin is frictionallyheld in its position so that it may be removed from the overhanging portion when so desired.
- this pin in the present 1 nstance I have shown this pin as a cotter pm, the branches of which are denoted by 2t, 25 and the laterally turned head of which 1s denoted by 26. This laterally turned head end of the pin serves as a convenient handle for manipulating the pin.
- the bending of the head end of the pin also insures the kee ing of the branches 24, 25 of the pm toget er when the pin is inserted into its operative position, and does not permit the spreading of the branches as is the tendency where the head end of the pin is not turned laterally.
- the overhanging portion 23 is provided with an uprising guard 27 for preventing the yarn from being caught on the head 26 of the split pin, it being understood that the head of the split pin may be swung laterally into a position in front of the guard for more completely protecting the head of the pin from engagement by the yarn.
- the removable and reversible yarn support which forms a part of the tensionmg device for the yarn comprises a U-shaped grid 28 provided with branches 29, 30, which span the space between the lower member of the yoke and the forwardly projecting finger 17 of the lateral arm 16.
- one branch of this skeleton support or grid is inserted through a hole in the finger 17 and both branches are 1nserted into holes in the lower member of the yoke.
- a set screw 31, carried by the lower member of the yoke is arranged in position to be turned into clampin engagement with one of the branches of t e grid for holding the same against unintentional removal.
- the weighted disk 32 which forms a part of the tensioning device is loosely mounted on the depending split pin and normall rests upon the removable and reversible gri
- This weighted disk is provided with an axially arranged depending hollow lug 33, which projects below the top of the yarn support, in the present instance between the U-shaped grid is removable and branches of the grid, in position to be frictronally engaged by the yarn, whereby the disk is rotated as the yarn passes between it and the support, thus providing an even wear on the bottom of the said disk.
- Another valuable feature is the provision of the depending axially arranged lug for the weighted disk, together with means for guiding the yarn into frictional engagementwith said lug so that the wear may be equahzed on the bottom of the disk.
- What I claim is 1.
- a tension device a removable fixed grid forming, a skeleton yarn support, a gravity operated disk normally resting on said support and having an axially arranged depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug.
- a removable and reversible grid forming a skeleton yarn support, a gravity operated disk normally resting on said support and having an axially arranged depending lug projecting between the branches of the grid, and guiding means for causing the yarn to contact with the said 3.
- a bracket In a tension device, a bracket, a fixed yarn support carried thereby, a vertically disposed pin depending from the bracket, a gravity operated disk loosely mounted on said pin and normally resting on said fixed yarn support, said disk having an axially arranged hollow depending lug projecting below the top of the yarn support, and guidin means for causing the yarn to contact wit the said lug.
- a tension device a bracket, a yarn support carried thereby, a depending split pin frictionally held in thebracket, the head end of the split pin being laterally bent, forming a handle, a gravity operated disk loosely mounted on saidfpin and normally resting on said support, said disk having an axially arranged hollow depending lug projecting below the top and. guiding means' or causing the yarn to contact with the said lug.
- a tension device a bracket, a yarn support carried thereby, said bracket having a portion overhanging the yarn support, a pin depending from said overhanging portion, a gravity operated disk loosely mounted on said pin and normally resting on said support, said disk having an axlally arranged hollow depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug.
- a tension device a bracket, a yarn support carried thereby, said bracket having a portion overhanging the yarn support and provided with an uprising guard, a depend- 7 ing split pin frictionally held in said overhangmg portion, said pin having a laterally bent head end forming a handle arranged to be turned into a position back ofsaid guard, and a gravity operateddisk loosely mounted on said pin and normally resting on said support.
- a tension device a bracket, a yarn support carried thereby, said bracket having a portion overhanging the yarn support and provided with an uprising guard, a depending split pin frictionally held in said overhanging portion, said pin having a laterally bent head end forming a handle arranged to be turned into a position back of said guard, a gravity operated disk loosely mounted on said pin and normally resting on said support, said disk having an axlally arranged hollow depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lu
- a tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward the other member to narrow the slit, a yarn support carried by the lower member, a depending pin carried by the upper member, and a gravity operated disk loosely mounted on said pin and normally resting on said support.
- a tension device comprising an integral resilient yoke, the upper and lower members of wh ch have lateral extensions forming between them a slit for the passa of the yarn, means for springin one oft e members toward the other mem er to narrow the slit, a skeleton yarn support carried by the lower member, a depending pin carried by the upper member, and a gravity operated 'diskloosely mounted on said pin and normally-resting on said support.
- a tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passa e of the yarn, means for springing one of t e members toward the other member 'to narrow the slit, a yarn support carried by the lower member, a depending pin carried b the upper member, a gravity operated disk vloosely mounted on said pin and normally resting on said support, said disk having an axially arranged hollow depending'lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug.
- a tension device comprising an integral resilient oke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward the other member to narrow the slit, a skeleton yarn support carried b the lower member, a depending pin carr1ed by the upper member, a gravity operated disk loosely mounted on said pin and normally resting on said support, said disk having an axially arranged hollow depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug.
- a tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward the other member to narrow the slit, said lower member having a laterally extended arm provided with a forwardly extended finger, a U-shaped yarn support grid having one of its branches passed through the forwardly extended finger and both of its branches inserted into said lower member, a depending pin carried by the upper member, and a gravity operated disk loosely mounted on said pin and normally resting on said grid.
- a tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward. the other member to nar- 'forwardly extended finger, a U-shaped yarn an axially arranged hollow depending lug support grid havin one of its branches projecting between the branches of the grid, 10 passed through the forwardly extended finand guidlng means for causing the yarn to ger and both of its branches inserted into contact with the said lug.
- said disk having JOHN O. McKEAN.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Treatment Of Fiber Materials (AREA)
Description
J. 0. McKEAN.
DEVICE FOR GUIDING, CLEARING, AND TENSIONING YARN APPLICATION r1150 APR-l2, 1921.
1,392,515, Patented 01. 4, 1921.
. UNITED STATES PATENT oFl-"icn,
JOHN 0.. KOREAN, OF WFSTIIELD, MASSACHUSETTS, ASSIGNOR TO FOSTER MACHINE COMPANY, OI WESTZBIELD, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS.
' DEVICE FOR GUIDING, CLEARING, AND TENSIONING YARN.
To all whom it may concern:
Be it known that I, JOHN O. MCKEAN, a citizen of the United States, and resident of Westfield, in the county of Hampden and State of Massachusetts, have invented a new and useful Improvement in Devices for Guiding, Clearing and Tension ng Yarn, of which the following is a SPBCIfiCMSIOII The object of my invention is to provlde certain improvements-in the construction, form and arrangement of the several parts of a device for guiding, clearing and tensioning arn, whereby the life of the device is materially lengthened; in which the parts which are subject to wear maybe readily replaced; in which the rotation of the gravity operated disk b the yarn 1s assured; in which the depen ing split pin on which the disk is loosely mounted may be readily inserted and removed; and in which all liability of the catching of the yarn on the device when threading the same is eliminated.
This invention relates more particularly to improvements in the device covered by my application, filed March 11, 1921, Serial No. 451485.
A practical embodiment of my invention is represented in the accompanying drawin s, in which,
Fig. 2 represents the same in side elevation.
Fig.
lan. p Fig. tion.
Fig. 5 represents the device in rear elevation.
Fig. 6 represents a section taken in the plane of the line VIVI of Fig. 1.
Fig. 7 represents the gravity operated disk in side elevation.
Fig; 8 represents the same in bottom plan.
Fig. 9 represents the removable and reversible yarn support grid in perspective.
Fig. 10 represents the split pin on which the gravity operated disk is mounted, in perspective.
The bracket is preferably a casting and it comprises a resilient yoke, the lower member of which is denoted by 1 and the upper member by 2. These two members are provided with lateral extensions 3 and 4 respectively, forming between them a slit 5 3 represents the device in bottom 4 represents the same in front eleva- Speclflcatlon of Letters Patent.
Application filed April 12, 1 921.".8erial1i'o. 460,686.
Patented Oct. 4, 1921.
for the passage of the yarn. The lateral I extension 3 may be provided with a downwardly extended ear 6, and the lateral extension 4 may be provided with a lug 8 from which a pin 9 projectsdownwardly across the slit 5 to serve as a yarn as it passes fromthe slit.
The upper member 2 is sprungout of its normal position to vary the width of the slit 5 withoutchanging the arallelism of its walls, by means of an ad usting screw, the shank 10 of which'passes through the upper member 2 across the yoke and into screw-threadedengagement with the lower member 1, the head 11 of which screw is preferably countersunk in a recess 12 in the upper member 2. As the device is shown the screw is arranged to spring the upper member 2 toward the lower member 1 of the yoke to narrow the yarn slit 5, the resiliency of the yoke serving to spring the members apart to widen the slit as the screw is turned back.
The parts hereinabove described serve to act as a very effective and simple yarn clearer or slub catcher which may be readily adjusted to the minutest degree, for different sizes of yarn and then will engage bunches, slubs, knots or other enlarged portions of the yarn for clearing the same.
The bracket may be supported in any suitable manner on the bar 13 of the machine, as for instance by providing the lower member of the yoke with a hollow lug 14 through which the bar 13 extends; a set screw'15 being provided for securing the bracket on the bar.
An arm 16 extends laterally from the lower member 1 of the yoke, from which arm project forwardly and rearwardly respectively, fingers 17 and 18, the rearwardly extended finger 18 having a hooked-end 19 which serves as a guide and keeper for the yarn as it enters the device. The arm 16 is provided with a depressed portion 20 adjacent the lower member 1 of the yoke over which the yarn leads to the tension device to be immediately described.
A gravity tension device for the yarn is constructed and arranged as follows A guard portion 21 extends rearwardly from the lateral extension 4 of the upper member 2of the bracket and overlaps-on the inside of the forwardly extended finger 17, leaving a space 22 for the introduct on guide for the p of the yarn when threadin the same. The upper member is also provi ed with an overhanging portion 23 forming a bridge leading from the rear end of the guard 21 to the front end of the said upper member.
A split pin extends through the overhanging portion 23 and projects downwardly therefrom to a point below the yarn suport to be hereinafter described, which pin is frictionallyheld in its position so that it may be removed from the overhanging portion when so desired. In the present 1 nstance I have shown this pin as a cotter pm, the branches of which are denoted by 2t, 25 and the laterally turned head of which 1s denoted by 26. This laterally turned head end of the pin serves as a convenient handle for manipulating the pin. The bending of the head end of the pin also insures the kee ing of the branches 24, 25 of the pm toget er when the pin is inserted into its operative position, and does not permit the spreading of the branches as is the tendency where the head end of the pin is not turned laterally.
The overhanging portion 23 is provided with an uprising guard 27 for preventing the yarn from being caught on the head 26 of the split pin, it being understood that the head of the split pin may be swung laterally into a position in front of the guard for more completely protecting the head of the pin from engagement by the yarn.
The removable and reversible yarn support which forms a part of the tensionmg device for the yarn comprises a U-shaped grid 28 provided with branches 29, 30, which span the space between the lower member of the yoke and the forwardly projecting finger 17 of the lateral arm 16. In the present instance one branch of this skeleton support or grid is inserted through a hole in the finger 17 and both branches are 1nserted into holes in the lower member of the yoke. This reversible so that when the top of the grid becomes worn by the yarn, the grid may be removed and replaced to present new surfaces, and when these new surfaces become worn, the grid may be replaced by a new id. A set screw 31, carried by the lower member of the yoke is arranged in position to be turned into clampin engagement with one of the branches of t e grid for holding the same against unintentional removal.
The weighted disk 32 which forms a part of the tensioning device is loosely mounted on the depending split pin and normall rests upon the removable and reversible gri This weighted disk is provided with an axially arranged depending hollow lug 33, which projects below the top of the yarn support, in the present instance between the U-shaped grid is removable and branches of the grid, in position to be frictronally engaged by the yarn, whereby the disk is rotated as the yarn passes between it and the support, thus providing an even wear on the bottom of the said disk.-
It Wlll be seen that by the provision of a skeleton support for the yarn as it passes under the weighted disk, I am enabled to produce a device in which all tendency of the filling up of the device with lint, seed or other foreign matter under the weight, whlch would tend to render the weight ineffective, is eliminated.
It will also be seen that by the provision of a removable and reversible skeleton sup port for the yarn I am enabled to materiall lncrease the life of the device as a who e.
Another valuable feature is the provision of the depending axially arranged lug for the weighted disk, together with means for guiding the yarn into frictional engagementwith said lug so that the wear may be equahzed on the bottom of the disk.
The parts shown and described, but not claimed herein, which relate more particularly to the construction of the yarn clearer or slub catcher form the subject matter of a co-pending application filed by me on September 16, 1920, Serial No. 410637.
t is evident that various changes may be resorted to in the construction, form and arrangement of the several parts without departing from the spirit and scope of my invention; hence I do not wish to limit myself to the particular embodiment herein shown and described, but
What I claim is 1. In a tension device a removable fixed grid forming, a skeleton yarn support, a gravity operated disk normally resting on said support and having an axially arranged depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug.
2. In a tension device, a removable and reversible grid forming a skeleton yarn support, a gravity operated disk normally resting on said support and having an axially arranged depending lug projecting between the branches of the grid, and guiding means for causing the yarn to contact with the said 3. In a tension device, a bracket, a fixed yarn support carried thereby, a vertically disposed pin depending from the bracket, a gravity operated disk loosely mounted on said pin and normally resting on said fixed yarn support, said disk having an axially arranged hollow depending lug projecting below the top of the yarn support, and guidin means for causing the yarn to contact wit the said lug.
4. In a tension device, a bracket, a yarn Leeann pin frictionally held in thebracket, the head end "of the split pin being laterally bent, forming a handle, and a gravity operated disk loosely mounted on said pin and normally resting on said support. I
5. In a tension device, a bracket, a yarn support carried thereby, a depending split pin frictionally held in thebracket, the head end of the split pin being laterally bent, forming a handle, a gravity operated disk loosely mounted on saidfpin and normally resting on said support, said disk having an axially arranged hollow depending lug projecting below the top and. guiding means' or causing the yarn to contact with the said lug.
6. In a tension device, a bracket, a yarn support carried thereby, said bracket having a portion overhanging the yarn support, a pin depending from said overhanging portion, a gravity operated disk loosely mounted on said pin and normally resting on said support, said disk having an axlally arranged hollow depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug. I
7. In a tension device, a bracket, a yarn support carried thereby, said bracket having a portion overhanging the yarn support and provided with an uprising guard, a depend- 7 ing split pin frictionally held in said overhangmg portion, said pin having a laterally bent head end forming a handle arranged to be turned into a position back ofsaid guard, and a gravity operateddisk loosely mounted on said pin and normally resting on said support.
8. In a tension device, a bracket, a yarn support carried thereby, said bracket having a portion overhanging the yarn support and provided with an uprising guard, a depending split pin frictionally held in said overhanging portion, said pin having a laterally bent head end forming a handle arranged to be turned into a position back of said guard, a gravity operated disk loosely mounted on said pin and normally resting on said support, said disk having an axlally arranged hollow depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lu A tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward the other member to narrow the slit, a yarn support carried by the lower member, a depending pin carried by the upper member, and a gravity operated disk loosely mounted on said pin and normally resting on said support. a
of the yarn support,
- support carried thereby, a depending split 10. A tension device comprising an integral resilient yoke, the upper and lower members of wh ch have lateral extensions forming between them a slit for the passa of the yarn, means for springin one oft e members toward the other mem er to narrow the slit, a skeleton yarn support carried by the lower member, a depending pin carried by the upper member, and a gravity operated 'diskloosely mounted on said pin and normally-resting on said support.
11. A tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passa e of the yarn, means for springing one of t e members toward the other member 'to narrow the slit, a yarn support carried by the lower member, a depending pin carried b the upper member, a gravity operated disk vloosely mounted on said pin and normally resting on said support, said disk having an axially arranged hollow depending'lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug.
12. A tension device comprising an integral resilient oke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward the other member to narrow the slit, a skeleton yarn support carried b the lower member, a depending pin carr1ed by the upper member, a gravity operated disk loosely mounted on said pin and normally resting on said support, said disk having an axially arranged hollow depending lug projecting below the top of the yarn support, and guiding means for causing the yarn to contact with the said lug.
13. A tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward the other member to narrow the slit, said lower member having a laterally extended arm provided with a forwardly extended finger, a U-shaped yarn support grid having one of its branches passed through the forwardly extended finger and both of its branches inserted into said lower member, a depending pin carried by the upper member, and a gravity operated disk loosely mounted on said pin and normally resting on said grid.
14. A tension device comprising an integral resilient yoke, the upper and lower members of which have lateral extensions forming between them a slit for the passage of the yarn, means for springing one of the members toward. the other member to nar- 'forwardly extended finger, a U-shaped yarn an axially arranged hollow depending lug support grid havin one of its branches projecting between the branches of the grid, 10 passed through the forwardly extended finand guidlng means for causing the yarn to ger and both of its branches inserted into contact with the said lug.
said lower member, a depending pin carried In testimony, that I claim the foregoing b the upper member, a gravity operated as m invention, I have signed my name this disk loosely mounted on said pin and nor- 9th ay of April, 1921.
mally resting on said grid, said disk having JOHN O. McKEAN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US460636A US1392515A (en) | 1921-04-12 | 1921-04-12 | Device for guiding, clearing, and tensioning yarn |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US460636A US1392515A (en) | 1921-04-12 | 1921-04-12 | Device for guiding, clearing, and tensioning yarn |
Publications (1)
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US1392515A true US1392515A (en) | 1921-10-04 |
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US460636A Expired - Lifetime US1392515A (en) | 1921-04-12 | 1921-04-12 | Device for guiding, clearing, and tensioning yarn |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2608362A (en) * | 1951-05-10 | 1952-08-26 | Sipp Eastwood Corp | Device for tensioning elongated flexible material |
-
1921
- 1921-04-12 US US460636A patent/US1392515A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2608362A (en) * | 1951-05-10 | 1952-08-26 | Sipp Eastwood Corp | Device for tensioning elongated flexible material |
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