JP2009221609A - Hand-held yarn-twisting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a simple hand-held yarn-twisting device having such a game element as causing an interest in a process for making a twisted yarn. <P>SOLUTION: Provided is the hand-held yarn-twisting device, wherein a rotatable driving shaft 15 of a driving gear member 13 having an internal toothed gear 14 is rotatably provided at a holder 1 equipped with a handle 3, a wheel 22 is fixed to the tip of the driving shaft, a ratchet 28 having ratchet gears 30 and 31 on both the front and back sides is rotatably provided in a base portion 15a of the driving shaft 15, a plurality of yarn-holding shafts 41 having small gears 45 are rotatably supported and the small gears 45 is provided to be engaged with the internal toothed gear 14 in a case 35 fixed to the ratchet 28, respectively, the wheel 22 is rolled in one direction to rotate the yarn-holding shafts 41, respectively, thus twisting the yarns, respectively, and then the wheel 22 is rolled in a direction opposite to the one direction to revolve the yarn-holding shafts 41, thus twisting the twisted yarns into an stranded yarn. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a hand-held yarn twister that twists a plurality of yarns to make one twisted yarn.

  A conventional yarn twister used for handicrafts, etc., rotates and revolves multiple yarn holding shafts with one end of the yarn fixed by rotating the handle while the yarn twister body is fixed to the table. Thus, a single yarn is formed by twisting a plurality of yarns.

  In Japanese Patent Laid-Open No. 10-8333, a rotating disk on which a plurality of yarn pieces are set is rotated by driving a motor, and the yarn fed from each yarn piece is guided to a threading hole provided in the rotating disk. An electric yarn twisting device including a yarn twisting mechanism that twists a single yarn and a winding mechanism that sequentially winds the twisted yarn around a cone is disclosed.

  The former yarn twister does not have any problem in the function of making the twisted yarn itself, but does not have a playful element that is interested in the process of making the twisted yarn, so it is not interesting for the beginner level of handicraft. I can't deny it.

The latter type of electric yarn twisting device has a complex structure that can create full-scale twisted yarns, such as being able to choose between yarn twisting work and yarn subdivision work, and is a beginner level who enjoys handicrafts as a hobby It can be said that those who do not need such high performance.
Japanese Patent Laid-Open No. 10-8333

  It is an object of the present invention to provide a simple hand-held yarn twister with playful elements that are of interest in the process of making the yarn.

  In order to achieve the above object, according to the first aspect of the present invention, a drive shaft projecting from the center of a drive gear member provided with an internal gear is rotatably provided on a holder having a handle and the drive shaft is provided. A wheel that is fixed to the tip of the hook, and a claw wheel having claw gears on both sides of the front and back is rotatably provided at the base of the drive shaft, and one end of the thread can be fixed to the case fixed to the claw wheel. A stop piece is provided at the tip, and a plurality of thread holding shafts provided with a small gear at the base are rotatably supported, and each small gear is provided to mesh with the internal gear, and the claw attached to the holder has the front side The claw gear is provided so as to prevent the claw wheel from rotating in one direction by allowing it to engage with the claw gear, and to permit rotation in one direction of the drive gear member. By engaging the claw gear The drive gear member and the ratchet wheel are provided so as to rotate together in a direction opposite to the one direction, and the yarn holding shaft is rotated by rotating the wheel in the one direction to form one yarn. Each yarn is twisted, and the wheel is rotated in a direction opposite to the one direction so that the yarn holding shaft is revolved so that a plurality of yarns are brought close to one yarn.

  In order to achieve the same object, the invention described in claim 2 is the hand-held yarn twister according to claim 1, wherein the locking piece of the yarn holding shaft is provided integrally with the shaft portion, It is characterized in that the yarn can be fixed by engaging one end of the yarn in a wedge-shaped gap formed between the shaft portion.

  In order to achieve the same object, the invention described in claim 3 is the hand-held yarn twister according to claim 1 or 2, wherein the wheel has a rubber tire attached to the wheel body. It is what.

(Invention of Claim 1)
This hand-held yarn twister rotates the wheel in one direction (forward direction) on a table or the like to rotate the yarn holding shaft to twist each of the yarns in the opposite direction ( It is a simple structure that revolves the yarn holding shaft by rolling it in the reverse direction) and twists a plurality of yarns into a single yarn, and has a playful element that is interested in the process of making the twisted yarn. I have.

(Invention of Claim 2)
This hand-held thread twister is provided so that the thread can be fixed by winding one end of the thread around the locking piece of the thread holding shaft and then locking it in the wedge-shaped gap, and fixing and removing the thread easy.

(Invention of Claim 3)
Since this hand-held yarn twister has a rubber tire attached to the wheel body, it is hard to slip when the wheel rolls on a table or the like, and the rotation is stable.

  The best mode of the present invention will be described below with reference to the drawings. 1 is a perspective view of a hand-held yarn twister according to the present invention, FIG. 2 is a longitudinal side view of the main part, FIG. 3 is an exploded perspective view of the same, FIG. 4 is a perspective view of a claw wheel and a drive gear member, 5 is a cross-sectional view taken along the line BB of FIG. 2, FIG. 6 is a perspective view showing a state where the small gear of the yarn holding shaft is engaged with the internal gear of the drive gear member, and FIG. 7 is a holding piece for holding the other end of the yarn. FIG.

  As for the outline of the hand-held yarn twister A according to the present invention shown in FIG. 1, each yarn holding shaft 41 is rotated and fixed by rolling the wheel 22 in one direction (forward direction) on a table or the like. A single thread is twisted, and then the wheel 22 is rolled in the opposite direction (retracting direction) to revolve the thread holding shaft 41 to form a plurality of, in this embodiment, three threads 1 It is structured to be twisted onto a book thread.

  As shown in FIG. 2, the plastic holder 1 of the hand-held yarn twister A is integrally provided with a single-character handle 3 on a side portion 2a of a bearing portion 2 in which a stepped hole is formed at the center. On the inner surface of the flange 2b integrally formed on one end side of the bearing portion 2, a pin 5 for mounting the hook-shaped claw 8 and a thin plate-like spring piece 9 having one end fixed to the base of the claw 8 are fixed. A locking pin 6 that locks the other end protrudes (FIG. 3). Reference numeral 11 denotes a bush fitted into the large diameter hole 4 b of the stepped hole of the holder 1.

  Reference numeral 13 denotes a plastic drive gear member in which an internal gear 14 is provided in front of the disk portion 13a, and a drive shaft 15 is projected from the center of the back surface of the disk portion 13a. Further, on the back surface of the disk portion 13a, there are a pin 16 for mounting the hook-shaped claw 19 and a locking pin 17 for locking the other end of the thin plate-like spring piece 20 having one end fixed to the base of the claw 19; Is projected (FIG. 4). As shown in FIG. 2, the drive shaft 15 is loosely fitted in a shaft hole 4a which is a small diameter portion of the stepped hole of the holder 1, and is provided to be freely rotatable, and the center of the wheel main body 23 of the wheel 22 is provided at the tip portion 15a. The boss hole 23b provided in the boss is fitted and fastened and fixed by a bolt 26. The boss 23a is loosely fitted in the bush 11 so as to freely rotate. Reference numeral 24 denotes a rubber tire mounted on the wheel body 22.

  28 is a plastic claw wheel provided with claw gears 30 and 31 on both sides of the front side 28a and the back side 28b around a shaft hole 29 formed in the center (FIGS. 3 and 4). The claw wheel 28 is rotatably provided on the large-diameter base portion 15a of the drive shaft 15 with the claw gear 30 engaged with the claw 8 and the claw gear 31 engaged with the claw 19 respectively.

  Thus, the claw 8 attached to the holder 1 is engaged with the claw gear 30 on the front side 28a, thereby preventing the claw wheel 28 from rotating in one direction and allowing the driving gear member 13 to rotate in one direction. Provided (FIG. 4), the claw 19 attached to the drive gear member 13 engages with the claw gear 31 on the back side 28b to rotate the drive gear member 13 and the claw wheel 28 together in the direction opposite to the one direction. (FIG. 5).

  Reference numeral 35 denotes a bowl-shaped case fixed so as to be attached to the claw wheel 28. In this case 35, three shaft holes 36 are provided at equiangular intervals in the bottom part 35a, and two attachment holes 37 are provided in the outer part 35b (FIG. 3). Reference numeral 39 denotes a bolt that is screwed into the claw wheel 28 after passing through the attachment hole 37.

  Reference numeral 41 denotes a plurality of inverted triangular locking pieces 43 capable of fixing one end of the thread integrally provided on the semicircular tip 42a and a small gear 45 on the base 42b. This is a thread holding shaft (FIG. 3). As shown in FIG. 6, the locking piece 43 is provided integrally with the shaft portion 42, and one end of the thread is attached to the wedge-shaped gaps 44, 44 formed between the flat surface 42 c of the shaft portion 42. The thread can be fixed by being locked. As shown in FIG. 2, these thread holding shafts 41 are rotatably supported by a shaft portion 42 fitted in the shaft hole 36 of the case 35, and each small gear 45 meshes with the internal gear 14. Is provided.

  As described above, the wheel holding shaft 41 is rotated by rolling the wheel 22 in one direction (forward direction) on a table or the like to twist each of the yarns, and the wheel 22 is rotated in the direction opposite to the one direction ( A hand-held yarn twister A according to the present invention is constructed in which the yarn holding shaft 41 is revolved by rolling in the backward direction) and the three yarns are twisted into one yarn.

  The other end of the yarn fixed by the yarn holding shaft 41 of the hand-held yarn twister A is held by a holding piece 50 shown in FIG. In this holding piece 50, three inverted triangular locking pieces 53 are arranged in parallel on one surface of a thick plate portion 51 provided with a finger hole 52. The locking pieces 53 are provided so that the thread can be fixed by locking the other end of the thread in wedge-shaped gaps 54 formed between the one surface and the other.

Next, how to use the hand-held yarn twister A according to the present invention will be described.
(1) First, three wool yarns having appropriate lengths are prepared, and one end of each wool yarn is wound around the locking piece 43 of the yarn holding shaft 41 and fixed.
(2) Next, the other end of each yarn is wound and fixed to the locking piece 53 of the holding piece 50 so as to have the same length, and the holding piece 50 is grasped with the left hand.
(3) In a state where the yarn is loosely tensioned, the wheel 22 of the hand-held yarn twister A gripped by the right hand is rolled in a forward direction on a table or the like. Thereby, since the thread | yarn holding shaft 41 rotates, one thread is twisted respectively.
(4) Next, the wheel 22 is rolled in the backward direction. Thereby, since the yarn holding shaft 41 revolves, three yarns are twisted together into one yarn.
(5) Remove the produced twisted yarn from the yarn holding shaft 41 and the holding piece 50.

  As described above, this hand-held yarn twister rotates the wheel holding shaft by rotating the wheel in one direction on a table or the like to twist each of the yarns. By rolling in the direction, the yarn holding shaft can be revolved so that a plurality of yarns can be twisted into one yarn, and there is a playful element in the process of making the twisted yarn.

A perspective view of a hand-held yarn twister according to the present invention. Same vertical section side view Same exploded perspective view Perspective view of the ratchet wheel and drive gear member BB sectional view of FIG. The perspective view which shows the state which the small gear of the thread | yarn holding shaft meshed with the internal gear of the drive gear member. A perspective view of a holding piece for holding the other end of the yarn

Explanation of symbols

A: Hand-held yarn twister 1 ... Holder 3 ... Handle 8 ... Claw 13 ... Drive gear member 14 ... Internal gear 15 ... Drive shaft 15a ... -Base 19 ... Claw 22 ... Wheel 28 ... Claw wheel 30, 31 ... Claw gear 35 ... Case 41 ... Thread holding shaft 42 ... Shaft portion 43 ... Locking Piece 45 ... small gear

Claims (3)

  A holder provided with a handle is provided with a drive shaft that protrudes from the center of a drive gear member provided with an internal gear, and a wheel is fixed to the tip of the drive shaft, and claw gears are provided on both front and back sides. A plurality of claw wheels provided on the base of the drive shaft so as to be rotatable, a locking piece capable of fixing one end of the thread is provided at the tip of the case fixed to the claw wheel, and a small gear is provided at the base. The small pinion gears are rotatably supported and meshed with the internal gears, and the claws attached to the holder engage with the claw gears on the front side to move the pinion wheel in one direction. And the claw attached to the drive gear member is engaged with the claw gear on the back side so that the drive gear member and the claw wheel In the direction opposite to the one direction The yarn holding shaft is rotated by rotating the wheel in the one direction to twist each yarn, and the wheel is rotated in the opposite direction to the one direction. The yarn holding shaft is configured to revolve the yarn holding shaft so that a plurality of yarns are brought close to one yarn.   The locking piece of the yarn holding shaft is provided integrally with the shaft portion, and is provided so that the yarn can be fixed by locking one end of the yarn in a wedge-shaped gap formed between the shaft portion. The hand-held yarn twister according to claim 1, wherein   The hand-held yarn twister according to claim 1 or 2, wherein the wheel has a rubber tire attached to a wheel body.

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