US1162014A - Ear forming and tying mechanism for sack-sewing machines. - Google Patents
Ear forming and tying mechanism for sack-sewing machines. Download PDFInfo
- Publication number
- US1162014A US1162014A US613415A US613415A US1162014A US 1162014 A US1162014 A US 1162014A US 613415 A US613415 A US 613415A US 613415 A US613415 A US 613415A US 1162014 A US1162014 A US 1162014A
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- Prior art keywords
- shuttle
- arms
- thread
- sack
- cam
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- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 title description 12
- 238000009958 sewing Methods 0.000 title description 6
- 210000005069 ears Anatomy 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 206010043268 Tension Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B13/00—Machines for sewing sacks
-
- 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
- FIGURE 9 Wwplfissxss: INV N o z I a. my p/fiwwiw qxbmw H's ATTORNEY P. ARRIGHI. EAR FORMING AND TYING MEGHANISM FOR SACK SEWING MACHINES.
- This invention relates to improvements for automatically forming and tying ears on sacks and is adapted to cooperate with automatic sewing machines for such sacks especially that type shown in my application for patent, filed January 18, 1915, Serial No.
- the object of the invention is to produce a means whereby the ears of the sack will be readily and efliciently formed and automatically tied in a rapid manner without the necessity of the same being manually handled in any respect.
- a further object of the invention is to produce a simple and inexpensive device and yet one which will be exceedingly efiective for the purpose for which it is designed, and another object is to produce a device in which the shuttle feeding and discharge mechanisms will be entirely automatic.
- Figure 1 1s a longitudinal elevationof my device partly in section and parts being broken away.
- Fig. 2 is a sectional view of the same taken on line A-A of'Fig. 1.
- Fig. 2 is a perspective view of the cam which operates the shuttle controlling arms on the reservoir.
- Fig. 3 is a plan view of a portion-of the same showing rack and pinion connection parts being broken away.
- Fig. 1 is a plan view of a portion of sameshowing shuttle feeding mechanism, parts broken awav.
- Fig. 5 is .a sectional view on line BB of Fig. 1, parts being broken away.
- Fig. 6 is a detail plan view of one of the notched cams in position.
- Fig. 7 is a sectional View on line C--C of Fig. 6.
- Fig. 8 is Specification of Letters Patent. Pgwe ted N 3Q 1915 Application filedFebruary 4;, 1915.
- Fig. 9 1s a perspective view of the shuttle feeding member which is pivoted to i the shuttle reservoir.
- Fig. 10 is a perspective view of the thread holding member which is pivotedto the shuttle arm.
- Fig. 11 is an elevation of therack drivingmechanism, parts being broken away.
- Figs. 12 to 21, inclusive, illustrate the successive steps in the ear tying process.
- a bearing 5 having a sleeve 6 yieldingly supported therein by spring '7, and having four fingers, as 8, pivotally mounted in the lower end thereof by pins 9.
- Fingers 8 are curved as shown and have their upper ends enlarged to engage the beveled end of a pin 10, said pin 10 being yieldingly supported in sleeve 6by spring-11.
- Fingers 8 are normally held in extended position by springs 12 attached thereto and to the lower end of bearing 5 as shown at 13, and are nism, the numeral 1 designates the frameclosed when the beveled end of pin 10 is forced be ween their enla ged ends as shown at 14.
- Pin 10 isoperated by cam 15 secured to cam shaft 16.
- Cam 15. is formed with a groove 17 formed in one edge as shown, and is used in the following manner: The cam 15 traveling in the direction indicated by the arrow forces sleeve 6 downward, the head of pin 10 dropping into groove 17 and thus permitting springs 13 to extend fingers 8 while the downward movement is in progress.
- cams 18 and 18 Positioned on either side of opening 2 are cams 18 and 18, held in position by springs 19 operating through slots 20 in the bottom of frame 1, said cams 18 and 18 curvingin opposite directions as shown and each having a notch 21 formed in the upper edge thereof and a plate secured to the side there of as shown at 22 for the purpose hereinafter set forth.
- Two hooks as 23 and 24 respectively are positioned near said cams 18 and 18 as shown.
- Revolubly mounted on bearing 5 is a pinion 25 having oppositely extendingarms attached thereto as shown at 26and 27 respectively.
- arm 27 On arm 27 is a downwardly projecting finger member 28 having thread holes 29 and 30 in its upper and lower ends respectively, and a thread 31 passing through said holes from spool 32 revolubly mounted on the under side of arm 27.
- shuttle arm 33 Secured in a vertical position to arm 26 is shuttle arm 33 in which shuttle 34 operates, and is adapted to receive said shuttles in its upper end and discharge the same from its lower end at predetermined periods as hereinafter described.
- the mechanism for receiving and discharging said shuttles is as follows :A member as shown in Fig. 10 having long arms 35 and short arms 36 is shown pivoted to shuttle arm 33 at 37; The upper ends of arms 35 have a knife edge 38 secured thereto adapted to operate against edge 39 on boss 40 and a shoulder 38 adapted to engage said boss 40'just below said edge 39.
- a spring 41 is placed between the Tn plate 42 are formed five openings 45 also of the size and shape to receive a shuttle and so positioned that when said plate 42 has turned one-fifth of a revolution one of said openings will be in alinement with conduit 44 and shuttle arm 33.
- Plate 42 is revolved by means of a ratchet 47 secured to a vertical shaft 48 mounted in the center of plate 42, said ratchet being turned one twenty-fifth of its circumference at every engagement with shuttle arm 33 by dog 49 yieldingly mounted thereon.
- a shuttle is dropped at the completion of each tying operation until five shuttles are dropped.
- arms 35 are operated by boss 46 and a fresh supply of shuttles permitted to drop into shuttle arm 33 from reservoir 50.
- Reservoir 50 is rigidly mounted on support 4 and in alinement with conduit 44.
- On reservoir 50 is pivoted at 51 a member having short arms 52 and long arms 53.
- a third arm 54 projects from the angle of said member as shown, and having its end projecting into the interior of reservoir 50 through slot 55 formed therein.
- Arms 52, 53 and 54 are actuated by a cam 56 secured to shaft 48 and revolving therewith.
- a dog and ratchetis provided at 57 to prevent the backward movement of shaft 48 when dog 49 swings into engagement with ratchet 47.
- Shuttle 34 is provided with a bobbin 34 under ten-- sion, the thread thereof passing out through a hole in the top and secured as hereinafter described. While in use said shuttle slides on the base plate of frame 1 in the relative position shown in dotted lines in Fig. 5.
- Shuttles are placed in reservoir 50 with comparatively long thread ends extending from the upper part thereof and out through the upper end of said reservoir 50, consequently when the shuttles drop into shuttle arm 33 the thread ends are held in such a position that they are readily cut by edges 38 and 39 and held by shoulder 38 against boss 40.
- Pinion 25 is caused to revolve the proper distance and at the proper speed by rack 58 operating in suitable bearings in the ends of frame 1 not shown, and connected to cam shaft 16 which also operates in suitable bearings in the ends of frame 1 not shown by arm 59 which is driven by crank 60 connected to gear 61 on cam shaft 16 by gear 62.
- cam 18 which faces the pivot about which the shuttle revolves is termed the inside of said cam, while the opposite surface is termed the outside of said cam.
- thread arm 28 In the operation of tying the ears of sack 3 after they have been pulled into position, thread arm 28 first passes on the outside of cam 18 and catches its thread A in notch 21, plate 22 causing said thread to lie close to the surface of the bottom of frame 1, said thread arm 28 passing around to theposition shown in Fig. 13.
- Shuttle 34 has now passed on the inside of cam 18 and theoutside of cam 18 but has done no work bethe outside of cam18 and caught thread A in the notch thereof, and shuttle 34 has passed on the inside of cam 18 and under thread A just positioned and thus looped its own thread B through said thread A.
- shuttle 34 After shuttle 34 has passed hook 24 and re- I moved thread 13. which it had previously positioned there. As shuttle 34 moves on it catches its thread 13 in hook 23 and passes outside of cam 18 as shown in Fig. 19. then returns on the inside of cam 18" and loops into thread A as shown in Fig. 20. When, shuttle 34 passes hook 23 it removes the thread previously caught there and thus forms one complete knot on one side of the ear as shown in Fig. 21, the movement being repeated until another knot is tied on the opposite side of the ear, whereupon the ear is released, the sack removed and another sack brought into position and the operation of forming and tying the ears repeated.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
P. ARRIGHI.
EAR FORMING AND TYING MECHANISM FOR SACK SEWING MACHINES. APPLICATION FILED FEB. 4, IBIS.
1,162,014, Patented Nov. 30, 1915.
3 SHEETS-SHEET I.
E m D C! H E II E III II i; 2 III E 7 3 7 E Q Q \0 I g I; g I L0 2E I. I I [I I I I a II 2: I s
I I. N
I ;\IEssEs INVENT R Hrs ATTORNEY P. ARRIGHI.
EAR FORMING AND TYING MECHANISM FOR SACK SEWING MACHINES. APPLICATION FILED FEB, 4. 1915.
1,162,014; Patented Nov. 30, 1915.
3 SHEETS-SHEET 2.
556 g 56 FIGURE 2A ii 5 9 In FIGURE 9 FIGURE 5 Wwplfissxss: INV N o z I a. my p/fiwwiw qxbmw H's ATTORNEY P. ARRIGHI. EAR FORMING AND TYING MEGHANISM FOR SACK SEWING MACHINES.
APPLICATION FILED FEB. 4. I915- N MINI D -En Qw mnfllgmvlri Patented Nov. 30, 1915.
3 SHEETS-SHEET 3.
BY Q &
H ATT RN Y mnima hviri m4. "I -Fulfil prarrnp srarne Parana enrich.
rrnrno Ann-rent, or SAN Josn, cariro nnra.
EAR FORMING AND TYING MECHANISM FOR SACK-SEWING MACHINES.
To all "whom it may concern 7 Be it known that T, lmrno ARRIGHI, a subject of the Kingdom of Italy, residing at San Jose, in the county of Santa Clara and State of California, have invented certain new and useful Improvements in Ear Forming and Tying Mechanism for Sack-Sewing Machines; and I do hereby declare the following to be a clear, full, and exact description of the same, reference being had to the accompanying drawings, and to the characters of reference marked thereon, which form a part of this application.
This invention relates to improvements for automatically forming and tying ears on sacks and is adapted to cooperate with automatic sewing machines for such sacks especially that type shown in my application for patent, filed January 18, 1915, Serial No.
The object of the invention is to produce a means whereby the ears of the sack will be readily and efliciently formed and automatically tied in a rapid manner without the necessity of the same being manually handled in any respect.
A further object of the invention is to produce a simple and inexpensive device and yet one which will be exceedingly efiective for the purpose for which it is designed, and another object is to produce a device in which the shuttle feeding and discharge mechanisms will be entirely automatic.
These objects I accomplish by means of such structure and relative arrangement of the parts as will fully appear by a perusal of the following specification and claims.
On the drawings similar characters of ref- 7 erence indicate corresponding parts in the several views.
Figure 1 1s a longitudinal elevationof my device partly in section and parts being broken away. Fig. 2 is a sectional view of the same taken on line A-A of'Fig. 1. Fig. 2 is a perspective view of the cam which operates the shuttle controlling arms on the reservoir. Fig. 3 is a plan view of a portion-of the same showing rack and pinion connection parts being broken away. Fig. 1 is a plan view of a portion of sameshowing shuttle feeding mechanism, parts broken awav. Fig. 5 is .a sectional view on line BB of Fig. 1, parts being broken away. Fig. 6 is a detail plan view of one of the notched cams in position. Fig. 7 is a sectional View on line C--C of Fig. 6. Fig. 8 is Specification of Letters Patent. Pgwe ted N 3Q 1915 Application filedFebruary 4;, 1915.
Serial No. 6,134. I
a sectional view of a shuttle with bobbin in place. Fig. 9 1s a perspective view of the shuttle feeding member which is pivoted to i the shuttle reservoir. Fig. 10 is a perspective view of the thread holding member which is pivotedto the shuttle arm. Fig. 11 is an elevation of therack drivingmechanism, parts being broken away. Figs. 12 to 21, inclusive, illustrate the successive steps in the ear tying process. Y
Before commencing the description of the parts and operation of the structure, it might be. well to note that of course it is necessary, prior to tying the earsof the sack, that such earsbe formed and therefore my invention and description thereof naturally. divides itself into two subdivisions, namely, the ear forming mechanism and theear tying mechanism. f
Describing first the ear forming mechawork for this structure which is provided with a pair of openings 2 spaced apart in its lower side. In practice, the sack S-when:
filled and ready to be sewn, is brought beneath' the holes 2. This operation mayrbe performed in. any suitable manner forexample by means of the structure shown in .nection with each of said openings 2 are identical and operate simultaneously, therefore for the purpose of this description the singular number will be used. In support 4 is provided a bearing 5 having a sleeve 6 yieldingly supported therein by spring '7, and having four fingers, as 8, pivotally mounted in the lower end thereof by pins 9. Fingers 8 are curved as shown and have their upper ends enlarged to engage the beveled end of a pin 10, said pin 10 being yieldingly supported in sleeve 6by spring-11. Fingers 8 are normally held in extended position by springs 12 attached thereto and to the lower end of bearing 5 as shown at 13, and are nism, the numeral 1 designates the frameclosed when the beveled end of pin 10 is forced be ween their enla ged ends as shown at 14. Pin 10 isoperated by cam 15 secured to cam shaft 16. Cam 15. is formed with a groove 17 formed in one edge as shown, and is used in the following manner: The cam 15 traveling in the direction indicated by the arrow forces sleeve 6 downward, the head of pin 10 dropping into groove 17 and thus permitting springs 13 to extend fingers 8 while the downward movement is in progress. When the downward movement is completed and the extreme point of cam 15 is engaging sleeve 6, the head of pin 10 passes out of slot 17 thus forcing pin 10 downward until its beveled end engages the enlarged ends of fingers 8 and thus forces them to close upon the corners of the sack 3. The cam 15 continuing to revolve, spring 7 forces sleeve 6 upward and thus draws the corners of sack 3 into position for tying, the size and speed of cam 15 being such as to keep said corners in said position for tying until said tying operation is completed, whereupon the head of pin 10 again drops into groove 17 permitting the extension of fingers 8, the removal of sack 3 and the placing of another sack for said fingers 8 to engage on the completion of their downward movement as above described.
lVhile the corners of the sack are being held as shown inFigs. 1 and 2, the ear tying operation takes place, this operation being performed by the mechanism now to be described.
Positioned on either side of opening 2 are cams 18 and 18, held in position by springs 19 operating through slots 20 in the bottom of frame 1, said cams 18 and 18 curvingin opposite directions as shown and each having a notch 21 formed in the upper edge thereof and a plate secured to the side there of as shown at 22 for the purpose hereinafter set forth. Two hooks as 23 and 24 respectively are positioned near said cams 18 and 18 as shown. Revolubly mounted on bearing 5 is a pinion 25 having oppositely extendingarms attached thereto as shown at 26and 27 respectively. On arm 27 is a downwardly projecting finger member 28 having thread holes 29 and 30 in its upper and lower ends respectively, and a thread 31 passing through said holes from spool 32 revolubly mounted on the under side of arm 27. Secured in a vertical position to arm 26 is shuttle arm 33 in which shuttle 34 operates, and is adapted to receive said shuttles in its upper end and discharge the same from its lower end at predetermined periods as hereinafter described. The mechanism for receiving and discharging said shuttles is as follows :A member as shown in Fig. 10 having long arms 35 and short arms 36 is shown pivoted to shuttle arm 33 at 37; The upper ends of arms 35 have a knife edge 38 secured thereto adapted to operate against edge 39 on boss 40 and a shoulder 38 adapted to engage said boss 40'just below said edge 39. A spring 41 is placed between the Tn plate 42 are formed five openings 45 also of the size and shape to receive a shuttle and so positioned that when said plate 42 has turned one-fifth of a revolution one of said openings will be in alinement with conduit 44 and shuttle arm 33. Once in each complete revolution of plate 42, as one of said openings .45 approaches said position of alinement arm 36 rides up On boss 46 on plate 42 and throws arm 35 outward as shown in solid lines in Fig. 5, the same dropping backward into position as the shuttle arm 33 starts on its return movement. Plate 42 is revolved by means of a ratchet 47 secured to a vertical shaft 48 mounted in the center of plate 42, said ratchet being turned one twenty-fifth of its circumference at every engagement with shuttle arm 33 by dog 49 yieldingly mounted thereon. By the mechanism above described a shuttle is dropped at the completion of each tying operation until five shuttles are dropped. whereupon arms 35 are operated by boss 46 and a fresh supply of shuttles permitted to drop into shuttle arm 33 from reservoir 50. Reservoir 50 is rigidly mounted on support 4 and in alinement with conduit 44. On reservoir 50 is pivoted at 51 a member having short arms 52 and long arms 53. A third arm 54 projects from the angle of said member as shown, and having its end projecting into the interior of reservoir 50 through slot 55 formed therein. Arms 52, 53 and 54 are actuated by a cam 56 secured to shaft 48 and revolving therewith. A dog and ratchetis provided at 57 to prevent the backward movement of shaft 48 when dog 49 swings into engagement with ratchet 47. Shuttle 34 is provided with a bobbin 34 under ten-- sion, the thread thereof passing out through a hole in the top and secured as hereinafter described. While in use said shuttle slides on the base plate of frame 1 in the relative position shown in dotted lines in Fig. 5.
I will now describe in detail the operation of the above described shuttle feeding and discharging mechanisms.
Presuming that the machine is in full operation and shuttle arm 33 swinging into and out of alinement with reservoir 50 and conduit 44, at each movement dog 49 engaging ratchet 47 and causing plate 42 to re volve one twenty-fifth of its circumference. As each of said openings 45 is brought successively into alinement with shuttle arm 33.
and conduit'44, one of said shuttles falls through said opening andis carried away by said conduit 44. As thefifth and last shuttle in shuttle arm 33 passes away, arms 36 ride up on boss 46 and throw arms 35 outward and consequently leave the upper end of shuttle arm 33 unobstructed, At the same time that this action occurs cam 56, havingmade one complete r volution with shaft48, passes under arms 52 and throws arms 53 back and arms 54 forward so that the five shuttles in the reservoir below arms 54 will be free to drop into shuttle arm 33. As shuttle arm 33 swings away and causes dog and ratchet 57 to revolve and carry cam 56 away from under arms 52, arms 53 drop forward into position and arms 54 are carried back and thus permit the shuttles to again fill the reservoir to its lower end. Shuttles are placed in reservoir 50 with comparatively long thread ends extending from the upper part thereof and out through the upper end of said reservoir 50, consequently when the shuttles drop into shuttle arm 33 the thread ends are held in such a position that they are readily cut by edges 38 and 39 and held by shoulder 38 against boss 40.
In this specification that surface of cam 18 (or 18") which faces the pivot about which the shuttle revolves is termed the inside of said cam, while the opposite surface is termed the outside of said cam.
In the operation of tying the ears of sack 3 after they have been pulled into position, thread arm 28 first passes on the outside of cam 18 and catches its thread A in notch 21, plate 22 causing said thread to lie close to the surface of the bottom of frame 1, said thread arm 28 passing around to theposition shown in Fig. 13. Shuttle 34 has now passed on the inside of cam 18 and theoutside of cam 18 but has done no work bethe outside of cam18 and caught thread A in the notch thereof, and shuttle 34 has passed on the inside of cam 18 and under thread A just positioned and thus looped its own thread B through said thread A. As can be readily seen in the figures it is the function of thread arm 28 to travel alternately on the inner and outer sides of cams 18 and 18 respectively and position its thread A in the notches thereof, the movement of shuttle 34 effectually forming the loops. In Fig. 15 shuttle 34 has caught its thread in hook 24. In Fig. 16 the shuttle In Fig. 1'?
after shuttle 34 has passed hook 24 and re- I moved thread 13. which it had previously positioned there. As shuttle 34 moves on it catches its thread 13 in hook 23 and passes outside of cam 18 as shown in Fig. 19. then returns on the inside of cam 18" and loops into thread A as shown in Fig. 20. When, shuttle 34 passes hook 23 it removes the thread previously caught there and thus forms one complete knot on one side of the ear as shown in Fig. 21, the movement being repeated until another knot is tied on the opposite side of the ear, whereupon the ear is released, the sack removed and another sack brought into position and the operation of forming and tying the ears repeated.
While this specification setsforth in detail the present and preferred construction of the device, still in practice, such deviations from such detail may be resorted to as do not form adeparture from the spirit of the invention as defined by the appended claims.
Having thus described my inventionwha I claim as new and desire to secure by Letters Patent, is
1. The combination with a member having a pair of openings and means for pulling objects through said openings, of means for tying such objects, said means comprising a rotary member adjacent each opening, a pair of projecting arms on said rotary member, one of said arms being adapted to carry a thread and a thread carrying shuttle being carried by the other of said arms, and means mounted on each side of each opening and adaptedto engage said threads in such a manner that with the rotation of such arms said shuttles will be operable to form knots in said threads, as described.
2. The combination with a member comprising an opening and means for pulling members through said opening, of means for tying knots around said last named members, said means comprising a rotary member adjacent said opening and provided with a pair of arms, one of said arms being adapted to carry a thread and a thread carrying shuttle being carried by the other of said arms, and means mounted on said member adjacent said opening and operable with the structure carried by said arms to form knots in said thread, as described.
3. The combination with a member having an opening and means for pulling a member through said opening, of a means for tying said last named member, such means comprising a rotary member adjacent said opening and provided with a notch, and a hook disposed adjacent each cam, as described.
4. The combination with a member comprising an opening and means for pulling members through said opening, of means for tying knots around said last named members, said means comprisinga rotary member adjacent said opening and provided with a pair of arms, one of said arms being adapted to carry a thread and a thread carrying shuttle being carried by the other of said arms, means mounted on said first mentioned member for discharging a shuttle at predetermined periods, means for automatically supplying said shuttle carrying arm with shuttles, and means mounted on said member adjacent said opening and operable with the structure carried by said arms to form knots in said thread, as shown and described.
5. The combination with a member having a pair of openings and means for pu1lmg objects through said openings, said means comprising a vertically reciprocating 3O sleeve yieldingly mounted in a bearing adjacent said openings, a pin yieldingly mounted in said sleeve, a plurality of curved fingers pivotally mounted in the lower end of said sleeve, springs connecting the same to 5 said sleeve, a cam having a slot formed in one side thereof and adapted to engage said sleeve and said pin, of means for tying said objects, said means comprising a rotary member adjacent each opening and mounted on said bearing, a pair of projecting arms on said rotary member, one of said arms being adapted to carry a thread and a thread carrying shuttle being carried by the other of said arms, and means mounted on each side of each opening and adapted to engage said threads in such a manner that with the rotation of such arms said shuttles will be operable to form knots in said threads, substantially as shown and described.
In testimony whereof I have hereunto aflixed my signature in presence of two sub scribing witnesses.
PIETno ARRIGHI.
lVitnesses:
JOHN A. NAISMITH, J. B. CAMBERS.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US613415A US1162014A (en) | 1915-02-04 | 1915-02-04 | Ear forming and tying mechanism for sack-sewing machines. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US613415A US1162014A (en) | 1915-02-04 | 1915-02-04 | Ear forming and tying mechanism for sack-sewing machines. |
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US1162014A true US1162014A (en) | 1915-11-30 |
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US613415A Expired - Lifetime US1162014A (en) | 1915-02-04 | 1915-02-04 | Ear forming and tying mechanism for sack-sewing machines. |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5366463A (en) * | 1990-05-02 | 1994-11-22 | Ryan William J | Atherectomy catheter for the removal of atherosclerosis from within blood vessels |
US11367465B2 (en) | 2018-10-29 | 2022-06-21 | Henry M. Pena | Real time video special effects system and method |
US11641439B2 (en) | 2018-10-29 | 2023-05-02 | Henry M. Pena | Real time video special effects system and method |
US11743414B2 (en) | 2018-10-29 | 2023-08-29 | Henry M. Pena | Real time video special effects system and method |
-
1915
- 1915-02-04 US US613415A patent/US1162014A/en not_active Expired - Lifetime
Cited By (5)
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---|---|---|---|---|
US5366463A (en) * | 1990-05-02 | 1994-11-22 | Ryan William J | Atherectomy catheter for the removal of atherosclerosis from within blood vessels |
US11367465B2 (en) | 2018-10-29 | 2022-06-21 | Henry M. Pena | Real time video special effects system and method |
US11641439B2 (en) | 2018-10-29 | 2023-05-02 | Henry M. Pena | Real time video special effects system and method |
US11727958B2 (en) | 2018-10-29 | 2023-08-15 | Henry M. Pena | Real time video special effects system and method |
US11743414B2 (en) | 2018-10-29 | 2023-08-29 | Henry M. Pena | Real time video special effects system and method |
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