US3106902A - Thread cutters or snippers - Google Patents
Thread cutters or snippers Download PDFInfo
- Publication number
- US3106902A US3106902A US149415A US14941561A US3106902A US 3106902 A US3106902 A US 3106902A US 149415 A US149415 A US 149415A US 14941561 A US14941561 A US 14941561A US 3106902 A US3106902 A US 3106902A
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- United States
- Prior art keywords
- thread
- elements
- strip
- rod
- snipper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/003—Devices for severing the needle or lower thread the thread being engaged manually against the cutting edge of a fixedly arranged knife
Definitions
- Our invention is an improvement in thread cutters or thread snippers, for use in connection with sewing machines and similar devices.
- An important object of our invention is to provide a thread cutter or snipper which can be conveniently mounted on the framework or body of a sewing machine adjacent the needle and presser foot; so as to be ready for use at all times, and thus obviate the necessity of the operator to take up a shears or knife for severing the sewing thread.
- Such implements can easily be mislaid or be temporarily out of reach and thus require extra time and effort to get hold of them.
- Another object of this invention is to provide for a thread-cutter or thread-snipper which is simple and inexpensive to produce, and can easily be mounted in operative position on a sewing machine, without re-arrangement of parts and virtually at no cost.
- FIGURE 1 is a view of a part of an ordinary sewing machine, for example, with our attachment thereon.
- FIGURE 2 is a side view of the thread-snipper.
- FIGURE 3 is an end view.
- FIGURES 4 and 5 are respectively top and side view of the member which carries the knife or cutting blade of the snipper.
- FIGURE 6 is a sectional view of line 6-6 of FIG- URE 5.
- FIGURE 7 is an end view of a portion of this snipper.
- FIGURE 8 is a view similar to FIGURE 2 of another form of our snipper.
- FIGURE 9 is a diagrammatic view showing parts of the snipper of FIGURE 8 separated to expose the cutting blade which these parts carry;
- FIGURE 10 is an end elevation of one of the parts shown in FIGURES 8 and 9.
- the numeral 1 on FIGURE 1 indicates a part of the head or casting of an ordinary sewing machine having the usual pressure foot on the lower end of a rod 2, and a rod 3 bearing the reciprocable needle 4.
- the thread snipper is indicated as a whole by the numeral 5, secured to the rod 2 which carries the presser foot; but this attachment can be affixed to any other part of the machine in convenient position for use as desired.
- the snipper is attached to the presser foot rod 2 by a support or strip of bent metal 6, one end of which has a recess 7 for the binding screw by which it is mounted on to the rod 2; and the other end of this strip 6 carries a rod 8, one end 9 of which fits into an opening in the bent strip 6 and is rivetted at its extremity 10 so as to secure it firmly in place on the strip 6.
- This rod 9 projects outward from the strip and carries a pair of cone-shaped round elements 11 and 12, one element 11 of which is fixed to the rod 9, and the other 12 is mounted to slide thereon a short distance towards and from the element 11.
- a cap screw 13 engaging threads on the rod and between this nut and the element 12 is a spring 14, which seats against the element 12 so that the elements 11 and 12 are normally held in contact with each other.
- a blade 16 is secured by an ordinary binding screw to hold it fast.
- This blade fits into keyways 17 in both elements 11 and 12 and should be fixed to one or the other of the elements 11 and 12; preferably the element 11 so that when the element 12 is separated from the element 11 the blade is exposed between these two elements.
- This thread-snipper 5 is afiixed to the rod 2, which bears the presser foot of the machine, by a binding screw 18 engaging the rod 2 and having a head which is turned up tight against the edges of the recess 7, as indicated in FIGURE 1.
- the end 2%) of the thread 19 is pulled slack and laid between the elements 11 and 12 the surfaces of which slope towards each other; and then the element 12 can be pulled back to separate it from the element 11 so that the thread can be drawn against the blade 16 and cut.
- the other thread indicated at 29a coming from the shuttle which cooperates with the thread drawn by the needle 4 is pulled slack and severed in the same way.
- the snipper 5 is always at hand on the machine and all need for anything else like a knife blade or pair of scissors is obviated. Thus time and effort are both saved.
- the modification shown has the same elements 11 and 12, one of which is mounted on a bent strip 21 and is fixed thereto, and the other element 12 is fixed to a shorter bent strip 27 which is secured to the strip 21 by a screw 22.
- These strips afford a support for the elements 11 and 12.
- This screw passes through an opening in the strip 27 below the element 12 and engages the strip 27 with the threads thereon at one end while the other end of this screw 22 carries a milled head 23.
- the screw 22 passes freely through a large unthreaded aperture in the strip 21, and between the head 23 and this strip the screw 22 is surrounded by a spiral spring 24.
- the element 11 is immovably fixed to the strip 21, and the element 12 is immovably fixed to the strip 27.
- These two 7 elements have keyways or recesses 25 in which is disposed a cutter blade 26.
- the elements 11 and 12 can be separated as before to expose the edge of the blade 26 so that cutting of the thread can then be performed.
- the device of FIGURES 8, 9 and 10 can of course be attached to the rod 2 or any other convenient part of the machine in the same way as the device of FIGURE 2, as the strip 21 has a recess 7 in one end for the binding screw 18.
- the smaller ends of the elements 11 and 12 are rounded off slightly; and as shown in FIGURES 8, 9 and 10 the knife 26 is so mounted in the slots or keyways 25 that its edge is. not exposed when these elements engage each other.
- a thread snipper comprising a bracket to be secured in a fixed position on a part of a sewing machine, a pair of rounded conical elements supported by said bracket, one of said elements being mounted to be stationary on said bracket, means connected to the bracket and slidably mounting the other element to make and break contact with the stationary element, each element having a large end and a small end and disposed so that the small ends are adjacent each other, both elements having their lateral surfaces sloping towards each other at said small ends,
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
Oct. 15, 1963 A. c. FOLTlS ETAL 3,106,902
THREAD CUTTERS 0R SNIPPERS Filed Nov. 1, 1961 ANEST/S c. FOL 77S MART/N mew-'7 United States Patent 3,106,902 THREAD CUTTERS OR SNIPPERS Anestis C. Foltis, New York, N.Y. (40-40 Hampton St., Jackson Heights, N.Y.), and Martin Kraft, New York, N.Y. 2427 64th St., Brooklyn, NY.)
Filed Nov. 1, 1961, Ser. No. 149,415 1 Claim. (Ci. 112-252) Our invention is an improvement in thread cutters or thread snippers, for use in connection with sewing machines and similar devices.
An important object of our invention is to provide a thread cutter or snipper which can be conveniently mounted on the framework or body of a sewing machine adjacent the needle and presser foot; so as to be ready for use at all times, and thus obviate the necessity of the operator to take up a shears or knife for severing the sewing thread. Such implements can easily be mislaid or be temporarily out of reach and thus require extra time and effort to get hold of them.
Another object of this invention is to provide for a thread-cutter or thread-snipper which is simple and inexpensive to produce, and can easily be mounted in operative position on a sewing machine, without re-arrangement of parts and virtually at no cost.
The invention is fully explained in the specification and some embodiments are illustrated on the accompanying drawing. The novel characteristics of our device are defined in the appended claim; but of course variations can be made in various respects without departing from the general design in which the invention resides.
On the drawings:
FIGURE 1 is a view of a part of an ordinary sewing machine, for example, with our attachment thereon.
FIGURE 2 is a side view of the thread-snipper.
FIGURE 3 is an end view. I
FIGURES 4 and 5 are respectively top and side view of the member which carries the knife or cutting blade of the snipper.
FIGURE 6 is a sectional view of line 6-6 of FIG- URE 5.
FIGURE 7 is an end view of a portion of this snipper.
FIGURE 8 is a view similar to FIGURE 2 of another form of our snipper.
FIGURE 9 is a diagrammatic view showing parts of the snipper of FIGURE 8 separated to expose the cutting blade which these parts carry; and
FIGURE 10 is an end elevation of one of the parts shown in FIGURES 8 and 9.
The numeral 1 on FIGURE 1 indicates a part of the head or casting of an ordinary sewing machine having the usual pressure foot on the lower end of a rod 2, and a rod 3 bearing the reciprocable needle 4. The thread snipper is indicated as a whole by the numeral 5, secured to the rod 2 which carries the presser foot; but this attachment can be affixed to any other part of the machine in convenient position for use as desired.
The snipper is attached to the presser foot rod 2 by a support or strip of bent metal 6, one end of which has a recess 7 for the binding screw by which it is mounted on to the rod 2; and the other end of this strip 6 carries a rod 8, one end 9 of which fits into an opening in the bent strip 6 and is rivetted at its extremity 10 so as to secure it firmly in place on the strip 6.
This rod 9 projects outward from the strip and carries a pair of cone-shaped round elements 11 and 12, one element 11 of which is fixed to the rod 9, and the other 12 is mounted to slide thereon a short distance towards and from the element 11. On the outer end of the rod 9 is a cap screw 13 engaging threads on the rod and between this nut and the element 12 is a spring 14, which seats against the element 12 so that the elements 11 and 12 are normally held in contact with each other. These elements are shown as cone-shaped and engage at their smaller ends.
Midway of the rod 8 is a flat surface 15 which is overlapped by both the elements 11 and 12 and against this flat surface a blade 16 is secured by an ordinary binding screw to hold it fast. This blade fits into keyways 17 in both elements 11 and 12 and should be fixed to one or the other of the elements 11 and 12; preferably the element 11 so that when the element 12 is separated from the element 11 the blade is exposed between these two elements.
This thread-snipper 5 is afiixed to the rod 2, which bears the presser foot of the machine, by a binding screw 18 engaging the rod 2 and having a head which is turned up tight against the edges of the recess 7, as indicated in FIGURE 1.
The thread 19 through the eye of the needle, as the needle makes its stroke, cooperates with the thread in the shuttle below the top plate of the mechanism of the machine to produce a line of stitches; andas soon as the line of stitches is completed this thread is usually cut with a knife or scissors. With our attachment however the end 2%) of the thread 19 is pulled slack and laid between the elements 11 and 12 the surfaces of which slope towards each other; and then the element 12 can be pulled back to separate it from the element 11 so that the thread can be drawn against the blade 16 and cut. The other thread indicated at 29a coming from the shuttle which cooperates with the thread drawn by the needle 4, is pulled slack and severed in the same way. The snipper 5 is always at hand on the machine and all need for anything else like a knife blade or pair of scissors is obviated. Thus time and effort are both saved.
On FIGURES 8, 9 and 10, the modification shown has the same elements 11 and 12, one of which is mounted on a bent strip 21 and is fixed thereto, and the other element 12 is fixed to a shorter bent strip 27 which is secured to the strip 21 by a screw 22. These strips afford a support for the elements 11 and 12. This screw passes through an opening in the strip 27 below the element 12 and engages the strip 27 with the threads thereon at one end while the other end of this screw 22 carries a milled head 23. The screw 22 passes freely through a large unthreaded aperture in the strip 21, and between the head 23 and this strip the screw 22 is surrounded by a spiral spring 24. The element 11 is immovably fixed to the strip 21, and the element 12 is immovably fixed to the strip 27. These two 7 elements have keyways or recesses 25 in which is disposed a cutter blade 26. Hence when this device is mounted on a fixed part of the machine, the elements 11 and 12 can be separated as before to expose the edge of the blade 26 so that cutting of the thread can then be performed. The device of FIGURES 8, 9 and 10 can of course be attached to the rod 2 or any other convenient part of the machine in the same way as the device of FIGURE 2, as the strip 21 has a recess 7 in one end for the binding screw 18.
The smaller ends of the elements 11 and 12 are rounded off slightly; and as shown in FIGURES 8, 9 and 10 the knife 26 is so mounted in the slots or keyways 25 that its edge is. not exposed when these elements engage each other.
Having described our invention, what we believe to be new is:
A thread snipper comprising a bracket to be secured in a fixed position on a part of a sewing machine, a pair of rounded conical elements supported by said bracket, one of said elements being mounted to be stationary on said bracket, means connected to the bracket and slidably mounting the other element to make and break contact with the stationary element, each element having a large end and a small end and disposed so that the small ends are adjacent each other, both elements having their lateral surfaces sloping towards each other at said small ends,
3 4 spring means for urging the slidable element to engage the References Cited in the file of this patent other element, and maintain said elements with their small ends in contact, and a knife blade having its ends seated UNITED STATES PATENTS Within said elements adjacent their centers and extending 390,759 D6 Lamal'fe 06L 9, 1888 from one element to the other, said blade being fully 5 1,182,273 Hohmflnn May 9, 1916 screened by saidelements when said elements are in con- 2,725,840 Zeier Dec. 6, 1955 tact, said blade being exposed when the slidable element 2,854,937 Palnrnbo Oct. 7, 1958 is moved away from the stationary element. 2,867,184 Klapper Jan. 6, 1959
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US149415A US3106902A (en) | 1961-11-01 | 1961-11-01 | Thread cutters or snippers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US149415A US3106902A (en) | 1961-11-01 | 1961-11-01 | Thread cutters or snippers |
Publications (1)
Publication Number | Publication Date |
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US3106902A true US3106902A (en) | 1963-10-15 |
Family
ID=22530167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US149415A Expired - Lifetime US3106902A (en) | 1961-11-01 | 1961-11-01 | Thread cutters or snippers |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3394670A (en) * | 1964-05-06 | 1968-07-30 | Janome Sewing Machine Co Ltd | Thread cutting device for sewing machine |
US3407763A (en) * | 1966-04-18 | 1968-10-29 | Davidsson Mats Ingvar | Device for separating thread connected workpieces |
US3712255A (en) * | 1971-03-05 | 1973-01-23 | A Beregow | Magnetic thread holder and cutter |
US4325316A (en) * | 1980-11-12 | 1982-04-20 | The Singer Company | Omni-directional thread cutter |
EP0084658A1 (en) * | 1982-01-19 | 1983-08-03 | Fritz Gegauf Ag Bernina-Nähmaschinenfabrik | Sewing machine thread nipping and cutting device |
WO1989003447A1 (en) * | 1987-10-07 | 1989-04-20 | Mefina S.A. | Device for cutting a textile yarn |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US390759A (en) * | 1888-10-09 | Oyster-knife | ||
US1182273A (en) * | 1915-07-01 | 1916-05-09 | Richard K Hohmann | Tension-release, thread holder, and cutter. |
US2725840A (en) * | 1952-01-18 | 1955-12-06 | Singer Mfg Co | Thread releases for sewing machines |
US2854937A (en) * | 1953-04-08 | 1958-10-07 | Pola Entpr Inc | Method of overseaming and overseaming sewing machine |
US2867184A (en) * | 1958-03-17 | 1959-01-06 | Superior Sewing Machine & Supp | Thread cutter |
-
1961
- 1961-11-01 US US149415A patent/US3106902A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US390759A (en) * | 1888-10-09 | Oyster-knife | ||
US1182273A (en) * | 1915-07-01 | 1916-05-09 | Richard K Hohmann | Tension-release, thread holder, and cutter. |
US2725840A (en) * | 1952-01-18 | 1955-12-06 | Singer Mfg Co | Thread releases for sewing machines |
US2854937A (en) * | 1953-04-08 | 1958-10-07 | Pola Entpr Inc | Method of overseaming and overseaming sewing machine |
US2867184A (en) * | 1958-03-17 | 1959-01-06 | Superior Sewing Machine & Supp | Thread cutter |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3394670A (en) * | 1964-05-06 | 1968-07-30 | Janome Sewing Machine Co Ltd | Thread cutting device for sewing machine |
US3407763A (en) * | 1966-04-18 | 1968-10-29 | Davidsson Mats Ingvar | Device for separating thread connected workpieces |
US3712255A (en) * | 1971-03-05 | 1973-01-23 | A Beregow | Magnetic thread holder and cutter |
US4325316A (en) * | 1980-11-12 | 1982-04-20 | The Singer Company | Omni-directional thread cutter |
EP0084658A1 (en) * | 1982-01-19 | 1983-08-03 | Fritz Gegauf Ag Bernina-Nähmaschinenfabrik | Sewing machine thread nipping and cutting device |
WO1989003447A1 (en) * | 1987-10-07 | 1989-04-20 | Mefina S.A. | Device for cutting a textile yarn |
US4984727A (en) * | 1987-10-07 | 1991-01-15 | Mefina S.A. | Device for cutting a textile filament |
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