TWI275676B - Sewing machine - Google Patents

Abstract

A transmission shaft is installed on the upper part inside of the body of the sewing machine in a way essentially parallel to the main shaft of the sewing machine installed on the lower part inside of the body of the sewing machine. A needle rod drive shaft is installed on the front end of a sewing machine arm in a way roughly parallel to the main shaft and the transmission shaft of the sewing machine. A transmission belt is separately installed between the main shaft and the transmission shaft of the sewing machine, and between the transmission shaft and the needle rod drive shaft. Through the rotation of the belt, the rotation of the main shaft of the sewing machine is transmitted to the transmission shaft and the needle rod drive shaft, and then to a rotation location near the drive shaft of the needle rod. The up-and-down reciprocation structure of the needle rod can prevent the generation of noise and the vibration of the main shaft of the sewing machine caused by the needle rod that is upwardly protruded on the front end of the sewing machine arm about orthogonal to the main shaft of the sewing machine.

Description

1275676 V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) Technical Field [Technical Field] The present invention relates to a sewing machine which is mounted inside a sewing machine body and rotated by a main shaft of a sewing machine, and is transmitted to a slightly positive axis of the sewing machine. In the direction of the parent, the needle bar supported by the front of the sewing machine arm protruding from the sewing machine body is suspended, and the needle bar is moved up and down. [Prior Art] The tubular portion such as the sleeve and the trunk of each $cloth material will be cut into a predetermined shape: the fabric is rolled into a cylindrical shape. The edges of the appropriate width are overlapped with each other and the three stitches are wound into each other. The tubular fabric passes through the front end of the small diameter cylinder = bed, and applies a sewing machine that is sewn from the cylinder base to the bottom (axia"eed), that is, the straight cylinder Sewing machine. The sewing machine has a conveying device under the stltch plate that is placed at the front end portion of the cylindrical base, and a bending wheel (1

The needle bar and the passer that support the y support on the front end portion of the slit machine arm of the upper one of the upper base 1 and the needle and the pressure (presser f00t respectively attached to the lower end thereof) ). The needle bar is threaded by the #«^(needledrivlng sffl)^J main body spindle, and the needle is attached to the cymbal, and the needle is attached to the cymbal and synchronized with the conveying device and the bending wheel as a sewing machine. The cloth of the object is held on the needle plate by the action of the conveying device to apply the above-mentioned direction of conveyance, and the fish = between the two, the transmission is synchronized and the sixth page 2098-6172-PF(N2).ptd 1275676

2: t : 2 ? The operation of the yarn wheel is sewn. Further, by the slit 2 = the cylindrical sewing material at the bottom end portion of the cylindrical base, the front end side of the presser foot upper seat is recovered. The machine is made from the seam of the initial machine with the initial machine, and it is put into practical use. In the shape of the base, it is made, ^ ^ β ^ ^ Jiahua Republic of China Patent Gazette 439802 (Document I. Fli Bulletin No. 503948 (Document 2) and the like discloses that the positions of the partitions are slightly different from each other; in the upper and lower sides of the slitting machine body, the i: f: the sewing machine arm and the cylindrical base of the cylindrical base The needle bar of the front end of the sewing end of the sewing machine and the transmission of the main shaft of the cylindrical base machine respectively = the wheel's spurt from the seam of the body of the slit (4), in order to simplify the above transfer For the purpose of manufacture, the main axis of the sewing machine is in the seam (4) Tai 2:: The transmission mechanism of the wheel (4) The axial length of the arm is slightly positive; the erection of the ": ;:" is made to face the front end of the cylinder base;: : :: = The spindle has enough space, and it is easy to be with the base of the cylinder; 3 clothes work to ensure the foot connection. However, the sewing machine is placed in the sewing machine arm. It is not the case that the γ-dry transmission mechanism is the same as the general sewing machine. Offer transmission unit is applied in a used across the entire length of its long dimension roughly ten billions shake, r in the machine direction on the inner arm swingably supported, the front swing arm: = 1275676 and the shaft

V. INSTRUCTION OF THE INVENTION (3) The bottom portion is coupled to the crankshaft that is connected to the main shaft of the sewing machine through the crank arm, and is converted into the middle of the rocker shaft. The lower movement is transmitted to the needle bar, and the needle bar is moved to the movement of the needle bar. Further, in the literature 2, the rocker arm is a transmission shaft that reciprocates the rotating shaft over the entire length of the sewing machine arm. 'The rack is connected with the needle bar across the outline and the connecting rod, and the bottom end is connected to the front end of the crankshaft via the crankshaft of the crankshaft in the middle of the arm shaft. The reciprocating rotation is converted into The reciprocating rotation of the drive shaft of the reciprocating rod of the soil drive shaft is converted into a needle = a description of the arm and the joint

However, in the sewing machine disclosed in Document 1, the large rocker arm that swings inside the arm and the large crankshaft arm that is present in the sewing machine are operated by the reverse part of the sewing machine. And the effect of j: force's action will be uncomfortable, and the literature 2 reveals that the vibration caused by the up and down movement of the large crank arm is also Λν, and the sewing speed is increased. difficult. Vibration and local discomfort. In the above straight cylindrical sewing machine, 盥 is the same, on the front end of the sewing machine arm, although there is a seam rush machine

r;;ad-hriing apparatus) 缝The slitting machine φ outer garments disclosed in documents 1 and 2 are also the same as the transmission mechanism of the needle bar, large; 2: the internal structure of the structural arm is complex Layout of the sewing [invention] 2〇98-6172-PF(N2).ptd

IHi IIH Page 8 ^ 275676 V. Invention Description (5) Drive sleeve drive ^ Above::; Two-movement' movement is converted to the needle-needle drive shaft by the rotation of the drive shaft, :::: Arm end erection A slightly flat drive base with the drive shaft, the drive shaft is rotated. Between the shaft and the drive shaft is also provided with a shaft. The 1^ seat drive of the needle drive shaft is transmitted to the needle bar driven needle bar, so that the needle pin The upper motion is converted to the close position of the local hair "the first: r meaning; the device 'includes: 1: 1::::: the second movement of the second invention, and the crankshaft arm H柃 drive shaft halfway In the present invention, the needle is vibrated and the needle of the spindle is attached to the upper needle. The crank arm and the needle vibrate; the rod: the middle of the shaft and the needle rod are transferred from the shaft arm to the needle vibrating arm by the σ: the needle drive shaft is rotated by the movement. The crank arm is simplified by the shaking of the four vibrating arms to make the components widely used in the needle bar and the transmission mechanism of the J-stitch needle bar. #Mean-sharing by means of component sharing, the four-mesh rushing machine is the upper decorative shaft of the space of the second and third inventions, and the inside of the C is supported by the lower end of the two separate two-shelf shafts. The upper decoration: == the above-mentioned in-plane rocking upper decorative bending of the outer arm of the arm is reversely transmitted to the upper decorative shaft orthogonally to the axis; the second f is the needle shaft driving shaft Rotating rotating upper shaft drive. Support between ^, the above upper decorative wheel reciprocating

Hi 2098-6172-PF(N2).ptd Page 10 1275676 5 invention description (6) In the present invention, the pedestal of the main body of the blade is mounted on the sewing machine arm, and the shaft is driven by the rotation θ A The rotation is transferred to the needle bar 5 to perform a reciprocal rotation. The upper shaft is placed so that the needle bar moves up and down: when the rotation is converted into an arm, 1 is arranged in the needle; the shaft arm and the needle vibration are supported at both ends of the position, and the needle bar is: between the holding portions It can be stably transmitted from the apricot w μ λ rotation to the reciprocating rotation of the L 疋 贝 上 上 上. The sewing machine of the fifth invention of the invention is characterized in that: the device includes: A F, ten, l ^ A is the fourth invention in the upper decorative transmission

The rocker arm and the AA 乂山Λ f 4 radially outwardly projecting A and the front end of the 4 rocker arm are connected to the upper decorative crank arm of the upper cup. Still another aspect of the invention is the end of the drive shaft and the crankshaft. In the present invention, in the present invention, the front end of the rocker arm of the upper canine of the upper decorative shaft and the front end of the rocker are provided in the radial direction of the crankshaft.卞 722 初 初 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平 平Ii, the drive that is attached to the upper shaft

And sleek action. The slitting machine of the seventh invention of the fourth invention is the fourth invention towel. You know: it can be rocked to support the upper decorative lever with the upper yoke drive shaft. On the upper and lower sides of the above-mentioned upper decorative shaft: a rocker arm which is slightly paralleled, and the support of the upper surface of the above-mentioned upper decoration is supported by the spring μ, +, and μp 4曰A

1275676 V. INSTRUCTION OF THE INVENTION (7) The upper curved piece on the crankshaft and the connecting end of the rocker arm in the middle, and the other creeping connection of the upper decorative bar is the flail of the seventh invention: In the sewing machine of the eighth aspect of the invention, the upper decorative shaft is connected in parallel with the other end of the upper arm and the knot pin at the tip end of the rocker arm, and is connected to the knot via a ball joint in the present invention. The front end, and the other of the upper crankshaft arms on the rocker arm that protrudes radially outward from the one end, the crankshaft knot disposed on the middle of the needle bar drive shaft, the upper trim lever, and the upper trim The lever and the connecting rod are connected to the parallel rotating shaft, and the simple structure 2: 2 is supported by the rotation of the transmission device mm which is slightly transferred to the upper shaft of the needle bar driving shaft, and the trajectory is smoothly slid smoothly; The end of the lever 'absorbs the two movements. The purpose of the present invention and the novel readings of the following detailed description are fully understood. ^1 The following figure is a detailed description of the appearance of the sewing machine and the appearance of the sewing machine. The cylindrical base of the shovel is protruding from the sewing machine. The main body ^ two =: the part, the cylindrical base 2 is slightly parallel and protrudes from the slitting machine arm 3, the Qi-shaped sewing machine. This is a straight-line sewing machine, which is mounted on a needle y 2 at the front end of the yoke 2 at the circle η I & 〇^ 2 and at the front end of the 0. Page 12 2098-6172-PF(N2).ptd 1275676 V. Invention Description (8) Sewing the second conveyor and the yarn wheel, which are also mounted with a drop. The \ end / ^ needle bar 4, at the lower end of the needle bar 4, the safety lever is also supported by the lower end of the arm 3, not shown. The sewing machine formed by attaching the front end portion of the calendar base 2 (not shown) to the end portion of the end portion is formed by clamping the fabric on the cylindrical needle plate 2 and the footboard 2 from the seam. The position of the access point of the Benji 彳 && arm 3 is = = the cylindrical base 2 and the seam rushing machine are again on the inner upper part of the sewing machine body 1; In the height position, the machine main shaft 5 and the transmission shaft 6 corresponding to the slit (four) j and the protruding portion of the drive shaft 6 are slightly in the vicinity of the 'needle rod 4', and the slit machine 4 is rotated: 6 is slightly moved to the shaft The needle attached to the lower end of the needle bar 4 is moved to the lower structure of the needle bar 4 together. The action transmission mechanism is a side view of the construction of the needle bar transmission mechanism of Figure 1. 3:9 The transmission mechanism is not flat viewed from above == The 2nd end protrudes from the side of the sewing machine body i. The dream seam is made by the pulley 50 of the cutter main shaft 5 (the fitting is fixed to the error by the It is wound around the lower position of the drive body 1, and is connected to the slot machine motor that is not shown in the sewing machine. #本缝术粘系:由仃 Drive ^ Page 13 2098-6172-PF(N2).ptd 1275676 ----._ V. Description of invention (9) With the rotation of the motor of the previous machine (4): Γ 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一 另一Above the main shaft 5, the sturdy drive pulley 52 is erected on the side. In the ϊ transmission, the 耿 匆 本体 本体 本体 整合 整合 整合 整合 整合 整合 整合 整合 整合 整合6V Describing the inner fitting portion r of the first transmission pulley 61. The transmission pin of the first transmission pulley 61 and the main body of the sewing machine is ???end? ???...the transmission pulley of the transmission belt 6 is outputted as the second 3^1|^_ in the projection 63' of the drive shaft 6, but in the second two: 'the side of the pulley that is fitted with the manual rotation, the side view of the tilting movement, in order to indicate the first transmission slip I commuter transfer pulley 63 The figure 6 is protruded on the same side; the needle drive shaft 7 at the front end of the slit machine arm 3 is also integrated with the first drive pulley 62 at the position of the drive shaft direction, and is stretched and erected. There is::: = = and the second transmission sliding contact, but also in the fitting portion of the t7 wide transmission pulley 71, the sewing machine main shaft 5 is driven from the fitting portion of the extension wheel on the extension end Further, it is also possible to use the pulley 63 for manual rotation of the women's clothing on the t钿. In the second figure, the second side view is shown. On the side of the slit/moving skin f, 7〇 as shown in the drawing, Side of the cutter body 1 and the sewing machine arm 3

2098-6172-PF(N2).ptd Page 14 1275676

5. Description of the Invention (10) =, the belt chamber 1 which is extended up and down along the sewing machine body 1 and which is bent at the upper end portion and extends toward the front end of the sewing arm 2, is integrally formed with the pulley 52 of the sewing machine main shaft 5, and the transmission shaft 6 The first and second transmission pulleys 61, 62 and the transmission pulley 71 of the lever drive shaft 7 are housed inside the belt chamber 1A together with the first, transmission, and belts 60, 70 which are erected therebetween. By the above configuration, the rotation of the sewing machine spindle 5 is via

It is delivered to the drive shaft 6, even via the second drive belt 7. The transmission Ϊ ^, ▲ axis 7, the drive shaft 6 and the needle bar drive shaft 7 are fully rotated on the individual shafts. The vibration and noise generated by the belt transmission by the belts 60, 70 can be transmitted. Keep the drive at a low speed. Moreover, the first and second transmission belts 6〇, 7: ^ are provided with a plurality of teeth, such that the teeth are in harmony with the teeth provided on the outer circumferences of the transmission pulley 52, the human transmission pulleys 61, 62, and the transmission pulley 71. It becomes a timing belt that can be implemented without a sliding drive. The door 4 52, G, the second transmission belt 60, 70 and the transmission pulley: the body 1 and the belt i10 on the side of the sewing machine arm 3 are replaced, m is adjusted by the position of the rotation, and the transmission pulley 60, 70 is six The change of work can pass through the opening u of the belt chamber 10

M and the outer side of the sewing machine arm 3 are implemented. Rotating position of the sentence / machine body 1 and transmission belt 60, the rotation of the transmission is generally no lubrication

2098-6172-PF(N2).ptd Page 15: Any-fixed, sewing machine spindle 5, drive shaft 6 or =::71 where the position on the outer edge is changed and then fixed, thereby making it easy to make a cup 1275676 of the drive shaft 7 V. Description of the invention (11) and sewing: a belt chamber 1 with a wide inner belt and a 7° movement (3 can be a separate space on the inner side of the sewing machine body 1 with a 61" upper side. Between the transmission pulley 52, the "moving belt 60, and between the transmission slides, the H m / "the wheel 71 and the drive belt and the slashing arm 3 of the wide wear powder will invade the sewing machine body 1 The side of the df 3 is effectively prevented, and the movable portion formed on the inner side may have an undue risk of wear and burn of the chamber, and the skin is not shown in the sewing machine. The cover is closed.

Ten cups 4 Fig. 4 is an enlarged side cross-sectional view showing the main part of the medium and the motion of the motion converting device 8. In the middle of the needle rod drive shaft 7 of the structure of the gastric transition 4, the crankshaft 72 has a predetermined bottom end: shaping: on the crankshaft 72, the coupling of the crank arm 80 is carried out by the vibrating arm 81. The ridge is driven by a fulcrum that is slightly parallel to the needle bar drive shaft 7, and the shaft rotation of the fulcrum 82 is oscillating. One end of the needle vibrating arm 81 extending from the side of the needle shaft 7 is connected to the other end of the needle vibrating arm 81 of the side of the crank arm 8A via a ball joint (ball J0int), and a p extends to the butt 4 On the 4th of the day, the 针^ system is connected to the needle bar coupling seat in the middle of the holding cup cup 4 by the short-sized connecting rod 84 (

Bracket ) 40 . Bar connecting With the above configuration, the rotation of the needle bar drive shaft 7 is coupled to the crank arm 80 of the crankshaft 7 2 to be transmitted to the needle 劈R 曰 曰, the port, the fulcrum 82 as a pivot, with the needle bar =: /2, the needle vibrating arm 81 is rocked, and the other side of the T-movement #8 1 is accompanied by the other two of the shaking.

2098-6172-PF(N2).ptd Page 16 1275676 V. Description of the Invention (12) The connecting rod 84 and the needle bar coupling seat 4〇 are transmitted to the needle bar 4, so that the needle bar 4 and the needle bar 4 are attached to the lower end. The needle shown is up and down. In Fig. 4, the needle vibrating arm 81 at the lowermost position on the coupling side of the needle bar 4 is indicated by a solid line, and the needle vibrating arm 81 of the uppermost position at the same position is indicated by a two-point lock line, the needle bar 4 The upper lower movement corresponds to the shaking of the needle vibrating arm 8丨 generated between the positions. The rod 4 and the motion converting device 8 that performs the vertical movement are provided with a short-sized curve two: two between the needle bar drive shafts 7 disposed close to the needle cup 4; '8〗 1' is associated with the crank arm SO and The reverse of the action of the needle vibrating arm 81

By using force to generate vibration and noise, it is possible to correspond to a sewing machine of the present invention, which is constructed with the above-mentioned structure, with a large vibration and noise, and compares the two operations: vibration t: reveal The conventional knowledge:: The test results in the conventional sewing machine, will run: the degree of production of two: level suppression to practically no problem::: the upper limit of vibration and noise f rotation speed before and after __, In the bar:: 'The upper limit speed of the sewing machine can reach 5. 〇! 明之缝匆机 The crankshaft of the motion conversion device 8 is 『Pm or more. The sewing machine of the needle bar and the needle vibrating arm of the sewing machine are common components. The member widely used in the center can be sewn into the front end portion of the rushing arm 3 by the aforementioned transmission t from the seam rushing machine 5, and the sewing machine 7 can be driven by the needle bar. , ::: The rotating needle bar drive shaft 7 is formed early in the vicinity of the other end of the assembly device ___ ^ ^ of the sewing machine arm 3. 2〇98~6172-PF(N2).ptd 1275676 V. Description of Invention (13) Fig. 5 shows a side view of the transmission for the upper decorative device. Fig. 6 is a perspective view showing the appearance of the main part of the upper decorative transmission from the top. The plan of the view. Fig. 7 shows that the upper trimming device has an upper decorative shaft 9 held by the sewing machine, and is mounted on the upper σ axis to face up and down. The upper paste is rotatably supported between the shaft 7 on the upper and lower walls and the needle bar 4 by means of a fixed hinge for the sewing machine. Moreover, the 筮 and 疋 are located on the needle bar drive shaft. When the needle bar 4 is attached to the sewing machine arm 3 93 by the two-point lock wire bending wheel 90, the needle bar 4 is attached to the sagging upper shaft 9 through the front end of the bending wheel table 90. : Six =: The upper part of the Fangqu is curved. The upper curved yarn thus mounted is paired, and is extended to the front movement of the needle bar 4, and is slightly positively aligned with the upper decorative shaft 9 at the hip/spool 9 and is supplied to the y 〇 钬Known sway of the trimming line (needle of the ereader): the quilting position (the 9 is driven by the needle drive 7a attached to the lower end of the needle bar 4 to reciprocate the upper decorative shaft 9 = 疋 转 转The shaft arm 92a and the link 93a are decorated. The rods are decorated with the rods, and the upper pieces are shown in the figure. The bending is "large." = the dry 3 has a curved portion in the middle and the needle bar drives the 钿 7 in the sewing machine arm. The side wall of 3 is supported by a support shaft 943 as a pivot: ΐ =, between the fulcrums. The rocker is applied to the needle bar drive shaft 7 and the upper decorative shaft 9 on page 18, 2098-6172-PF ( N2).ptd 1275676 V. INSTRUCTION OF THE INVENTION (14) The bottom of the crank arm 92a is connected to the upper crankshaft 73 which is formed at an eccentric amount in the middle of the needle bar drive shaft 7, and is formed on the upper decorative body (four), = moving One of the upper decorative levers 9〇a extending obliquely upward from the side of the shaft 7 is at, =, as shown in Fig. 5, the upper jaw can be adjusted along the long hole provided on the upper decorative lever 9Qa by the above The rotation of the needle bar drive shaft 7 is transmitted to the upper trim lever via the upper crank arm 92a coupled to the shaft 73. The pivot shaft is pivoted, and the rocking angle of the lever 9 is driven by the needle bar 9°a. The crankshaft 73 and the crankshaft 72 are integrally formed by the upper crankshaft 73 as shown in Fig. 6 and juxtaposed and placed on the side of the crankshaft 72 for the needle 4 to be driven. The arm 91a is attached to the upper and lower support; Q1 πο^ midway, as shown in Fig. 6 and Fig. 7, μ holds the upper second = outer of the rocker arm 9U of the upper decorative shaft 9 and is mounted as the square The upper part of the lever 90a is connected to the front end of the rocker arm 9la, and the connecting pin 96a is connected to the rocker arm and the connecting rod, and the ground is joined to the connecting line. Bolt: shaft: direction slidable portion, connecting pin 97a 盥 fulcrum 94 b # The other end of the boring bar 90a is provided, and the upper decorative lever 9 〇 a is connected with the jn: cup drive shaft 7 and protrudes from the link 93a The same side of the end: 'As shown in Figure 7', with the bracket of ^% 4, at the front end of the connecting pin 97a 1275676 V, invention description (15), the intermediary has a hold The whole body is connected to the joint pin 9 joint. The ball of the 'ball' is transmitted from the above-mentioned structure to the upper shaft 9 of the rocker Q1 scoop upper fitting lever 90a via the connecting rod 93a. Corresponding to the rocking angle of the upper decorative lever 90a;:=, the upper decorative yarn attached to the lower end of the upper decorative shaft 9 is again oscillated, and the movement is performed. "" At the time of the pivoting of the support shaft 94a as a function of the vertical direction, the rocking arm 91a of the lower end of the trimming rod 9〇a is shaken by the rocker arm 91a. The link is decorated with a crossbar 9〇a. With respect to the rocker arm 91a, the position is changed by the link 93a of the Lianshe #91a, and the upper bar is connected to the rocker arm 91a; the sliding of the cutting is transmitted to the rocker arm 91a in the upper and lower directions, and the upper shaft 9 is attached. The swaying of the squat is flat/ground and does the action of the lever 90. The rotation is carried out and the upper decoration is surely carried out, and the upper decorative shaft 9 is supported by the bushings 91 and 92 of the rocker arm 91 & the upper and lower stalks of the nine-position are connected by the support of the push-pull force. Pour =\ and pass to the rocker arm... The front end of the cymbal: the change in the circumferential direction is adjusted, and the adjustment is made in the connected position of the set ΐ:i ί crankshaft #92a and the upper trim lever 9Qa. Further, in the above-described upper decorative transmission, the transmission of the moving shaft 7 from the needle 1275676, the invention (16), allows the assembly to be surely and smoothly before the assembly. The day 7 upper trimming device can be used as the upper decorative lever 9a of the upper decorative transmission 9a, the crankshaft=92a and the connecting rod 93a are common members, and the upper taxi force is small enough to correspond to the 4C movement without generating large vibrations. Idle. The speed of movement of 9 or even the Ji-axis 9 can be supported at both ends by the above-mentioned two movements for moving the needle bar 4 up and down without being dry, etc. The action of the yarn wheel 90. a transmission 'realizable' precision on the top f

Figure 8 is a t-figure of the upper trim transmission. Figure 9 is a perspective view of the stereoscopic device 3b of the above-described three-dimensional disintegration and the rotation of the upper decorative shaft drive shaft 7 shown in Figures 5 to 7 to the upper decorative shaft 9: The same, the needle is moved, and has the structure of the upper crank arm arm 9 = upper, the upper decorative shaft 9, the upper decorative bending wheel 90, and the like. Further, the configuration in which the embodiment shown in Fig. 7 is the same as 2 = and the detailed description in the fifth to the ninth is omitted. , the corresponding symbol of the corresponding member and the rocker arm of the upper transmission device 9b

The middle portion of the upper decorative shaft is held therebetween, and the bottom of the shaft arm 90b which is worn through the lower support bushings 91, 92 is protruded outside the needle bar drive. The upper curved shaft 7 is connected to the body-shaped curved body 7; the front end of the upper curved crank arm 90b having a predetermined eccentric amount is coupled to the side surface of the upper decorative shaft 9 as shown in FIG. The crankshaft 74 is decorated and = the front end of the arm. -, there is a crankshaft inserted in the spherical surface

2098-6172-PF(N2).ptd Page 21 1275676 V. Description of invention (17) __

In addition, the connecting bolt 92b on the spherical surface is formed in the other part of the rocker arm 91b. The aspect is on the bottom end portion of the upper crank arm 90b, and =9: the large trailer on the spherical inner surface of the crank pin 75 is in the same front H ϋ : should: the small inner surface of the spherical end of the latch 92b Trailer 94b separately? Connected physically. The upper crankshaft arm 9〇b and the upper crankshaft 7: 'Big large trailer 93b via the holding crankshaft illustrations are not 'fine by=;::r borrowed...two hugs...74 ί : : : =: Supply action. The upper decorative yarn 90 of the lower end of the upper decorative shaft 9 is made of the rocker arm 9 1 b above and the decorative shaft 9 is rocked inside, and the front end of the rocker arm m is in a range of degrees to perform reciprocating motion within a certain angular range. - Square decoration: 2 center on the circumference of the crankshaft latch with the crankshaft 7 4 on both sides of the needle bar drive shaft 7 on both sides. The rocker arm 9lb and the crankshaft latch 2: The circumference makes a circular motion. The connection of the ball joint acts to slant the bow in the appropriate direction, the front end of the shaft (10) and the crankshaft latch? The fineness between 5 and 5 is absorbed by the rocker. The vibration of the needle bar drive μ is smooth and the difference is confirmed. By this, the reciprocating motion of the upper cancel shaft 9 is applied to the rocker arm W, and it is confirmed. The moving shaft 74 of the upper decorative bending wheel 90 has an adjusting bolt 2098-6172-PF (N2). ptd, which is the eccentric amount of the crank bolt 75. 275676 V. Invention description (18) ____ 76 And the movement of the upper decorative bending wheel 9 造成 caused by the rotation of the fixing bolts 77, 77 of the fixed adjustment position (7. The reciprocating operation of the upper decorative shaft 9 changes the chord of the crank bolt 7 5 as a galaxy by adjusting The thread of the bolts 7 6: 7 7 and 7 7 can be freely changed. 9 is screwed in and fixed. The upper trimming device of the upper end of the upper decorative transmission 9b is assembled by the needle from the sewing machine arm 3 Smoothly moving. Also, the upper 钲 'dry drive shaft 7 drive is indeed and ^ 丨 y y can both ends the ancient interference to make the needle bar 4 up and down the above-mentioned two positions are not

The arranging conversion device 8 is supported by the upper decorative device between the support portions, due to the action of the bending wheel 90. The transmission 'can be implemented with high-precision upper decoration. Even the outer decorative transmission 91b is the main component and has a simple upper crankshaft arm 90b and a rocker arm changing device 8 which are easy to be arranged in the cutting machine to not interfere with the above-mentioned movement. The 90b and the rocker 9113 are common as small components, squats and inner shackles. Further, the crank arm is attached to the crankshaft arm so that the reaction force that does not cause large vibration and 哗 j operation is small, and the above-described embodiment can be used to speed up the speed. The u-cloth on the needle plate 2 of the front end portion of the seat 2 is passed to the bottom end of the cylindrical base 2 as a straight-to-cylinder base 2 for the structure which is mounted on the cylindrical base and sewn.

The invention has the application example of the 3D machine of the sewing machine arm 3, but can be fully applied to the sewing machine spindle 5 which is orthogonal to the direction of the white arm, and the machine shaft 3 on the front end of the arm 3, money The drive of the main shaft 5 allows the seam rushing machine to be placed on the sewing machine 4 such as the sewing machine. The hairpin described in detail above is the drive shaft that is rotated by the s^ & two sprocket in the sewing machine of the first invention from the main shaft of the sewing machine, corresponding to the dry % main The father's sewing is dragged, _ the fuselage's protruding position is set, bit 1 Μ 2098-6172-PF(N2).ptd

Hi Page 23 1275676 V. INSTRUCTIONS (j9): The needle bar at the front end of the sewing machine arm can be used to move up and down during the up and down movement of the needle bar, and the sewing speed can be increased. The sewing machine of the second invention is provided in the sewing machine of the second invention, which is provided on the front end of the two arms by the belt from the transmission shaft, and is further driven to the needle bar driving at the second rotation of the needle bar drive. The shaft and transmission structure can be more effective. The transmission sound of the assembly device of the n-end portion of the needle bar is set in the slit machine portion to form a simple structure. Using a needle bar to drive the shaft

In the sewing machine according to the third aspect of the invention, the motion converting device that moves up and down is converted into a general structure by the rotation of the drive shaft. By the sharing of the members, the needle vibrating arm is simplified and the cost of the product is reduced. In the sewing machine according to the fourth aspect of the invention, in the sewing machine of the fourth aspect of the invention, the upper decorative shaft disposed at the rod supports the upper and lower portions of the supporting portion f曰', and the transmission is erected at the sewing position at the shaft. By rotating and reciprocating, the operation of the needle bar driving provided in the sewing machine can be stably performed with a simple structure, and the upper decorative device can be produced in accordance with the speed of the sewing speed. In the sewing machine of the fifth and sixth inventions, the needle shaft drive shaft is directly disposed by the upper crankshaft arm and the rocker arm f of the j-axis is set. In the slitting machine of the seventh and eighth inventions of the differential 'upper trimming device', the rocker arm and the needle bar' moving shaft system are stabilized by a simple structure.

1275676 V. INSTRUCTION DESCRIPTION (20) The upper decorative transmission is connected via a crank arm, an upper lever and a connecting rod, and the difference in the movement trajectory of the connecting portion at both ends of the connecting rod can be absorbed, and the driving of the upper decorative device can be surely performed. The invention achieves excellent results. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and it is to be understood that those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

2098-6172-PF(N2).ptd Page 25 1275676 Brief description of the drawings Fig. 1 is a perspective view showing the overall configuration of the transmission mechanism of the needle bar in the sewing machine of the present invention together with the appearance of the sewing machine. Figure 2 is a side view of the construction of the needle bar drive mechanism. Figure 3 is a plan view showing the construction of the needle bar transmission mechanism from above. Fig. 4 is an enlarged side sectional view showing the main part of the structure of the motion converting device. Figure 5 is a side elevational view of the upper trim drive for the drive of the upper trim device.

Figure 6 is a plan view of the upper decorative transmission for the drive of the upper trimming device as viewed from above. Fig. 7 is a perspective view showing the appearance of the main portion of the upper decorative transmission for the upper decorative device. Fig. 8 is a perspective view showing the appearance of another embodiment of the upper decorative transmission. Fig. 9 is an exploded perspective view showing another embodiment of the upper decorative transmission. DESCRIPTION OF SYMBOLS 1~ /Sewing machine body; 2, - Cylindrical base; 3 - / Sewing machine arm; 4~ Needle bar; 5, / Sewing machine spindle; 6 ' i drive shaft; 7, / Needle bar drive shaft; 8, - motion transfer device; 9, - upper decorative shaft; 9a ~ upper decorative transmission 10 ~ belt room; 20 ~ needle plate; 40 y ~ / needle bar connector; 50 ~ drive pulley;

2098-6172-PF(N2).ptd Page 26 1275676 Schematic description

51~ drive belt, 52~ drive pulley; 6 0~ first drive belt; 6 1~ first drive pulley; 62~ second drive pulley; 63~ manual rotation pulley; 70~ second drive belt; Transmission pulley; 73~ upper crankshaft; 75~ crankshaft latch; 76~ adjusting bolt; 77~ fixing bolt; 8 0~ crank arm; 81~ needle vibrating arm; 82~ fulcrum; 8 4~ connecting rod; Upper decorated bow wheel; 90a ^ - upper trim lever; 9 bu 9 2~ bearing set; 9 1 a ^ - rocker arm; 9 2a, ~ upper crank arm; 93~ curved wheel table; 93a~ connecting rod 9 4a wide < support shaft; 95a strict ^ long hole; 9 6 a ^ ^ joint bolt; 97a production ~ joint bolt. boom

2098-6172-PF(N2).ptd Page 27

Claims (1)

1275676 VI. Patent Application No. 1 · A sewing machine having an internal machine body for sewing the main body of the spindle, in the upper part of the sewing machine body, in the direction of the sewing and the lower part of the sewing machine, in the orthogonal direction of the sewing machine, hanging down the main shaft of the machine a needle bar; in a structure in which a J-cranked arm front end spindle that is attached to a lower end of the needle bar is driven up and down, the package is: erected from the above-mentioned sewing machine in the upper inner disk of the sewing machine body in parallel a drive shaft; a spun upper slewing main shaft is disposed between the transmission shaft and the main shaft of the sewing machine to transmit a rotation of the main shaft to the transmission base of the transmission shaft; and a slit is formed in the sewing machine arm The transmission device that is delivered to the above-mentioned needle bar ... the rotary transmission device 2 of the above-mentioned transmission shaft is applied to the sewing machine of the first aspect of the patent scope, wherein the transmission shaft is slightly inside the front end portion of the cutter arm and the above-mentioned sewing machine spindle And the needle rod drive shaft of the transmission n; between the needle rod drive shaft of the shaft and the transmission shaft, the transmission: the transmission base of the needle rod drive shaft; and the needle rod drive Converted into vertical movement of the rotary shaft of the needle bar of the motion converting means. The rod-cutting machine described in the second aspect of the patent range, wherein the movement is coupled to the crank arm of the crankshaft in the middle of the driving shaft of the needle, +, 厶I, and the needle shaft; One end of 彳曰t is connected to the middle of the needle bar, and the needle vibrating arm of the rotating shaft of the 'f1 zone moving shaft is slightly parallel. ^75676 VI. The scope of the patent application includes: The sewing machine described in the second or third aspect of the patent scope, which is more 勹-axis, the upper and lower sides of the above-mentioned sewing machine are supported by the upper draping of the two separate spaces: Sewing the upper upper shaft of the upper arm of the rushing arm; the shaft:: complex rotation is slightly orthogonal to the axis = ", the rotation of the holding portion S is transmitted to the upper decorative shaft Upper and lower support 5: an upper decorative shaft transmission device for reciprocatingly rotating the upper decorative shaft, and a lower transmission device in the sewing machine 1 according to item 4 of the patent scope and upper and lower shafts of the upper decorative shaft a rocker arm protruding radially outwardly between the support portions; the upper end of the upper arm ϊ ί ΐ 连结 连结 连结 连结 曲轴 曲轴 曲轴 曲轴 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 And the upper end of the rocker arm coupled to the crankshaft drive and the crank drive 7 of the patented scope 4, wherein the upper trim lever; 2 is rockingly supported by Upper MV of the shaft slightly parallel to the needle shaft drive shaft, 2098-6172-PF(N2).ptd Page 29 1275676 , The scope of patent applications on the decorative crankshaft crank arm; and the other end connected to the upper lever decorated with said front end of the swing arm connecting rod. 8. The sewing machine according to claim 7, wherein the link is slidably coupled to a connecting pin that protrudes in parallel with the upper decorative shaft at a front end of the rocker arm, and is coupled to the ball through a ball joint. The other end of the above-mentioned upper lever 0 2098-6172-PF(N2).ptd第30页