TW587117B - Sewing machine - Google Patents

Abstract

To respond to a request for downsizing of a cylindrical bed by improving a feeding means to give a feed to a sewing fabric on a needle plate. The sewing machine has a feed roller arranged in a partially exposed state on the upper portion of the rear side of a needle plate installed on the top face of a cylindrical bed, and intermittently driven around a shaft along the rear edge of the cylindrical bed, and pinches a sewing fabric with a pinch roller rollingly contacting the upper portion of the feed roller, and gives a rearward feeding to the sewing fabric sewn between a presser foot and the needle plate by the intermittent rotation of the feed roller.

Description

587117 V. Description of the invention (1) [Technology to which the invention belongs The present invention relates to the seam of Guantong [Knowledgeable technology and its ability to sew things, since the base (Cy 1 i nder The base (Stitch Plate (Presser Foot), the tip of the sewing machine arm is vertically lowered, and the pinhole is moved up and down, and the yarn feed is clamped rearward. Feeding sewing machines including convex sewing machines are used to mount the sewing machine. Arm sewing. For the board and pressure cuff provided on the needle, set on the bottom, that is, the front part of the cylinder is sewn. This seam must be used between the upper and lower parts of the front plate, including those that can be inserted into the base. Sewing machine [Technical field] For the fine points of sewing tube products] For making all kinds of clothes, use the Bed) machine for making, misfitting) and self-sewing). The cylinder-shaped object, which is referred to as the cylinder base body such as the needle neckline, is a cylinder-shaped sewing machine that sews the object-shaped sewing side in synchronization with the cylinder-shaped bottom from which the aforementioned needle plate moves. Needle plate inserted from end to side Press block and seam and change in the seat of the press block Left and right movement Intermittently

Here, the feed of the sewing object is described as a feed dog that moves in a circular motion through a combination of up and down movements and forward and backward movements inside the cylindrical base. The feed teeth are moved upwards. At the time, the needle plate is moved back and forth to exert a backward force on the sewing fabric held by the pressing block. This feeding tooth system is arranged inside the cylindrical base in the same way as the aforementioned bending machine; the feeding action of the feeding tooth is to rotate the lower shaft arranged inside the base body to continuously perform the transformation before and after and Up and down movement 0

2098-5016-PF (N) .ptd Page 4 587117 V. Description of the invention (2) In the cylindrical sewing machine with the above structure, the small-diameter cylindrical seams such as the sleeves of children's clothing are: enough to correspond to, for example, Young can be miniaturized. When sewing the aforementioned infants, a cylindrical base having a circumference of about 100 mm is realized by using a cylindrical base. Fortunately, in the conventional sewing machine, such as the patent application Kaiping 8- 1 1 247 Patent Publication (Unexami ^ Special Publication No. 8-112471 (1996) JaPan-ese Patent To the teeth and the bending machine and the transmission, etc., 'they avoid the interference of each other in the tube shape' The small J of the aforementioned tube base :: configuration 'There are restrictions on the number of tube bases of practical sewing machines. The perimeter of about 18 mm. The perimeter of 100 mm is very large. [Summary of the invention] The object of the present invention is to provide a feeding device for sewing cloth for sewing, so that the needle plate can be improved by improving Requirements: The sewing machine according to the first invention of the present invention, which corresponds to the miniaturization of the cylindrical base, is on the side of the base body that houses the lower shaft, and includes: a cylindrical base, a protruding block, which is raised and lowered on the aforementioned needle plate, and lowered The upper part is provided with a needle plate; the pressure is sewn on the fabric; the feed roller is equipped with a needle and a clamp between the needle plate and the needle plate. The upper part of the side intermittently rotates around the axis, and the feed before, +, ff The cylindrical base is arranged at the rear edge, and the two fabrics are lost from the feed roller; and is clamped and installed in the present invention, including: the feed roller: the sewing fabric. The rotation is along the aforementioned Tube

〇98-5016-PF (N) .ptd $ 5 page board is arranged on the upper part of the back side, with a part of the front i 'exposed on the aforementioned needle < bu axis 587117 V. Description of the invention (3) The back edge of the base is intermittent The ground rotates around the axis, and the feed & soil holding device 'sews the fabric between the feed roller and the feed roller; the feed drive is pulled out by the rear side of the needle plate and the holding part of the pressure block. The sewn fabric held by the space constitutes a feeding device; the overholding device is described as being inside or outside the tubular base. The feed roller system is transparent = transmission is formed on the lower shaft inside. \ Transmission = shaft can be used to slightly feed the teeth on the base, thereby achieving simplification and minimization of the cylindrical base. The initial machine of the sewing machine makes the device driven by the first round intermittently including the middle feed roller, which rotates the "shaft" at a certain angle through the lower shaft to the aforementioned feed relay; And the one-way clutch, which is equipped with a belt to connect the one-way clutch and the feed roller in the middle of the month, is caused by the second rotation by the actuation: the well-known transformation dream of a transmission from a drive source such as a motor: = Eccentric Ring and other repeated rotations through ^ 6 thixotropy into repeated rotation of the feed drive shaft, which will make the feed roller door roller coupling to the feed roller, can be simple The driving device for driving inside the main body is installed. Also, it is arranged on the sewing machine so that the two uncles and the feed roller are connected by the moving belt. In addition, the fourth movement is not affected. Positional constraints can be implemented reliably. On the surface, a sewing machine with a right-handed invention is based on the third invention Roller means feeding the cloth table I j frictional resistance between the clamping sewing the holding means

587117 V. Description of the invention (4) In this invention, for the surface of the feed roller, for example, knurling (Knur 1 ing), forming a tooth profile, etc., is provided to provide frictional resistance to the sewing fabric held between the devices, and The sewing fabric can be reliably fed: holding the sewing machine of the fifth invention, which is the clamping device of the first invention, and is turned from the upper side of the feed roller through the sewing fabric. System composition. Rotation In this invention, the sewing device is held by a feed roller, and is constituted by a rotating body such as a belt and a roller. The intermittent rotation of the feed roller is provided to feed the sewing fabric. This covenant implements the sewing machine according to the sixth invention, which is the fifth μ: the platform on which the pivot support on the board can be raised and lowered freely; the second rotation is in the aforementioned invention: the rotating body supports one of the aforementioned pressure blocks Part of the month. The seam, _ 'is the 5th on the throat plate:' M only H, the rotation body of the two feed rollers and the pressure block — when it is clamped to the throat plate with the feed roller to perform sewing — " Before the second sewing fabric is started, it is synchronized with the pressure block and the feed roller, so that the rotating body in the 5th to 7th inventions has a small number of intermittent driving drives. The body, and the aforementioned advancement, f ,, The rotary feed of the y-failure to hold the sewing fabric together can be driven intermittently more synchronously, so that the above-mentioned sewing "; 7"; ", Λ ^ -M ,, ``. Between the above-mentioned press block 2098-5016.PF (N) .ptd Page 7 of the fifth invention description (5) cloth ί Yi 施加 from the i side of the sewing block is fed to the front of the press block, between The back side, = feeds the needle plate and the sewing fabric, and assists the sewing of the fabric. The rotation of the feed roller is applied to the plus === Lai ", in the following detailed description r ^ ηπ '活' Month b opened more clearly. [Description of the preferred embodiment of the invention] ^: The following describes the invention in detail with reference to the drawings of the embodiment. The left side view H Η1, 'not the important parts of the sewing machine of the present invention are structured on the feet. To support the base end of the machine, it is a machine m; one of the base bodies B, μ, μ, ★ μ Sew, cutting machine # A 'also' in the base body β small diameter cylindrical bottom = under the arm, and the seam On the front end of the arm A protruding parallel to the arm, a 'needle bar 10' is mounted on the lower end of the needle bar 10, and a large number of needles are installed at the lower end of the needle bar 10. Needle plate on top of the aforementioned cylindrical bottom lock; shaft; from the upper part of the sewing machine arm a (not shown in the figure): the needles installed at the lower end together, above and below the needle plate 3 motion. In addition, the presser block 2 can be clamped between the presser block 2 and the needle plate 3 above the cylindrical base B1 when it is lowered forward by a certain operation.

587117 V. Description of the invention (6) The sewing machine of the present invention is made to lose its grip on the cloth of the pressure block 2 and the needle plate 3, and the feed device 4 for the backward feeding is sewn from the cylinder on the rear side of the needle plate 3. The feed teeth are provided on the base B1; there is a part of the feed teeth included in the conventional sewing machine. Σ sprocket 4 ′ is used to take this feed roller 4 and be supported freely by rotating along the axis of the rear edge of the cylindrical base B1. In the figure, two two, roller roller shaft 4. HT4 shown together with the cylindrical base B1 is part of the aforementioned feed roller 4 exposed on the needle plate 3; 彳: 疋, these are in the base M. ^ Besides', the roller shaft 40 of the cylinder feed roller 4 can also be built to extend to the side of the base body B of the female speaker, and it is shown below: the bottom shaft of the base B1 to the inside of the base body B. 5 (refer to Figs. 3 and 4), by connecting the transmission of '5 in this way, the axis can be moved at half time θ in Fig. 2. The driving surface is rotated intermittently in the clock circle. The top view of the structure of the transmission device of the feed roller is shown in the top view. The fourth figure shows the three-dimensional rotation of the drive device sent to the feed roller and is rotated. The next I ::: "is supported by the driving pivot of the t ^: sew shuttle motor. x ′ is inside the base body B, and is used for transmission of the secret transmission shaft 6 of the secret 1 ^ #, which is slightly flat and supported on one side of the lower shaft 5 mentioned above *. On both ends of the feed transmission shaft 6, protruding radially outwards: rock, 〇, 61; the swing arm 60 on one side, to the lever 51 device 52, is connected to the fitting and fixed to the aforementioned lower shaft 5 The Tian Deng knife eccentric ring (Eccentric Ring) 50. Picture 5 is 3

2098-5016-PF (N) .ptd Page 9 of 587117, Description of Invention (7) A cross-sectional view taken along the line V ~ V, showing the positional relationship between the lower shaft 5 and the feed transmission shaft 6 0 In the feed transmission shaft 6 Beside the other side, the pulley shaft 7 is supported slightly parallel to this feed transmission shaft 6. On one end of the pulley shaft 7, a one-way clutch 70 is fitted and fitted. The one-way clutch 70 is connected to the same side of the feed transmission shaft 6 through an arm 71 and a connecting link 72 protruding from the outer periphery. Swing the arm 6 1 up. Fig. 6 is a cross-sectional view taken along the line VI-VI in Fig. 3, showing the positional relationship between the feed drive shaft 6 and the pulley shaft.

The other end portion of the aforementioned pulley shaft 7 penetrates the end wall of the base body B to protrude to the outside, and a pulley 73 is fixed to the protruding end. In addition, the roller shaft 40 of the feed roller 4 is extended to the vicinity of the protruding end of the pulley shaft 7 as described above. At this extended end, a pulley is fitted and fixed in accordance with the axial position of the pulley 73. 41. The roller shaft 40 and the above-mentioned pulley shaft 7 are connected to each other via a movable cover 42 which is stretched between the above-mentioned pulley 41 and the pulley 73. Fig. 7 is a cross-sectional view taken along the line VII-VII in Fig. 3, showing the positional relationship between the pulley shaft 7 and the roller shaft 40. With the above structure, when the lower shaft 5 is driven to rotate, the eccentric ring 50 also rotates eccentrically with the lower shaft 5. The feed transmission shaft 6 is transmitted through

And the feed adjustment device 52 is connected to the aforementioned “°° 木 = being pushed and pulled, and is reversed within the range of-a fixed angle: the moving angle can be moved by the aforementioned feed adjustment device and the 'feed adjustment device 52 is similar to- In the sewing machine, the mouth: the device used to change the amount (forward and backward movement amount) is the same, 苴: the detailed description of the feed teeth is omitted here. # 成 及 活动

2098-50l6-PF (N) .ptd 587117 V. Description of the invention (8) When the feed transmission shaft 6 is repeatedly rotated as described above, the movement # 61 will be shaken, and this shake is achieved through the aforementioned connecting link ^ ^ On the one-way clutch 70. The one-way clutch 70 is a well-known machine that only has the pulley shaft 7 embedded thereon to ::: 'It is the intermittent rotation of the pulley shaft 7 at the time interval of one and a half cycles of the aforementioned repeated repetition'. The belt 42 on the frame 73 is moved to the pulley 41, and the roller shaft 40 and the j-axis fixed to the middle portion of the roller shaft 40 are intermittently rotated. The feed roller 4 thus rotated is held against the surface from the lower surface and held on the sewing fabric between the pressure block 2 and the needle plate 3; and the sewing fabric is abutted from the upper surface of the spoon ^ and the feed roller 4 Hold the 0 dagger. The feed force that Jin Ziguang hopes for is the aforementioned sewing fabric (Knurling), which can be as good as the second one: No, an embossing pattern is formed, and a feed embossing pattern is applied to use a tooth pattern (Tooth Prof i le), ^ It can be given by the piano: rubbing resistance is applied to the sewing fabric to assist the feeding. It can also be: from the factory. Feed roller: = J J2 The sewing machine shown in the figure has a switch from the upper part to the sewing fabric. The holding roller 8 :: is the position of the sewing machine arm A that is lost together with the aforementioned feed roller 4. Clamping rollers 8 are mounted on the bottom and can be extended freely. = Roller seat (support seat) 80, at the front of the shaft, which is slightly horizontal in the forward direction ', can rotate freely around 2〇98.5016-PF (N) .ptd page 11 587117

The roller seat 80 is provided with a clutch roller 81 which is slightly parallel to the misplaced roller 8 and revolves. On the middle part of the clutch roller 8, a one-way clutch 82 is embedded. The clamping roller 8 is connected to the sleeve of the one-way clutch 82 through the tensioning belt 83 of the gap. * Moving car by Huanli

In addition, the clutch roller 81 is connected to a transmission shaft protruding from a transmission box 84 provided on the rear side of the machine arm A through a connecting rod 85. The aforementioned transmission "I. is the same as the feed drive shaft 6 inside the base body B. It is connected to the inside of the sewing machine arm A by using an eccentric transmission device. The rotation of this upper shaft is not shown, and it can repeatedly rotate the shaft within a certain angle range. In response to this repeated return, it is transmitted to the connected clutch roller 81 through the link 85. This clutch roller 81 also repeatedly returns within a predetermined angle range. At this time, the sleeve of the one-way clutch 82 fitted and held on the clutch roller 81 is rotated; it rotates only when the clutch roller 81 rotates in one direction. The roller 8 rotates intermittently at a time interval of one and a half cycles of the aforementioned repeated rotation of the clutch roller 81 (= the upper shaft inside the arm A, because it communicates with the bottom shaft of the base body B, through The sewing machine motor is driven to rotate. Therefore, the intermittent rotation with the upper roller 8 is performed by appropriately setting the transmission system of the clutch roller, and the feed roller can be linked to the lower shaft 5. 4's

Break step'❿ can reliably apply a backward feed force to the sewing fabric between the feed roller 4 and the feed roller 4 between the feed roller 4 and the feed roller 4. Moreover, the first figure: Hiroyuki Λ holding roller 8 ′ _ is connected to the feed roller by moving the belt 83-Needless to say, the clamp roller 8 can be directly transferred to the feed roller 4.

587117 V. Description of the invention (10) Thus, in the sewing machine of the present invention, the feeding device for applying sewing force on the needle plate 3 is fed by the feed roller 4 along the cylinder; behind the base B1 It is erected by edge and intermittently rotated by the transmission from the lower shaft 5; and a clamping device is configured to clamp the sewing fabric ^, 2 together with the feed roller 4; therefore, only inside the cylindrical base B1 It is necessary to ensure that the space for the bending machine can be installed. The cylindrical base B1 can be greatly miniaturized, so it can be sewn. The cylindrical sewing product with a very small diameter represented by the sleeves of children's clothing is made too. In the above embodiment, the clamping device for clamping the sewn fluorine cloth with the feed roller 4 is constituted by the misplaced roller 8 transferred from the upper part to the feed roller 4 and the clamp The holding roller 8 and the above-mentioned feed roller Λ step Λ turn 'so' that a stable feed force is applied from above and below to the aforementioned cloth, and the cloth can be reliably sewn to the throat plate 3. In addition, the rotation of the sub 8 can be performed without using a mechanical connection with the upper shaft inside the sewing machine arm A, but by a driving device such as a stepping motor. In addition, the structure of the clamping roller 8 is raised and lowered together with the roller base 80 described above. 22 The roller base 80 shown in FIG. 1 is mounted between the spring bases protruding from the seam surface. The pressing spring 86 pushes downward, and the lever 7S7 is dry and hung on one end of a roller lift 柃 87 which is set up along the back of the sewing machine arm A. Structure 2 of 86 之 'Operate the aforementioned roller lift lever 87 to resist the pressing spring: The roller seat 80 can be lifted through the connecting rod ，, whereby the lift ^ 1 m ^ also rises and becomes a feed roller The state of 4 above, the sewing fabric at the beginning of sewing I for a long time ~ ^ " After setting the sewing fabric, Mengyou read A ° and then turned the valley easily into the light. After that, the clamping roller is rotated 8 times by reverse operation.

V. Description of the invention (11) It is possible to confirm the elasticity by pressing the spring 86 cloth mentioned above: press the sewing on the feed roller 4 * feed J ί f The feed force is applied to the sewing cloth. The two clamping devices that hold the sewing fabric are not limited to the clamping rollers 8 described above. The mouth and the system can be any structure that holds the sewing fabric. Number: Left side view of the other sub-common embodiment. Figure 8 shows that the device does not have a hold-up device, "4 at the back of the rod end of 2 2", the rear part of the "2" is convex and said that the upper part of the character / 衮 子 8a is transferred to the feed roller 4: 隹The clamping roller 8a is clamped together with the feed roller 4 = ,: sewing fabric sewn between the needle plate 3 and the pressure block 2; the rotation of the feed roller 4 is rotated by the two clamps h The function of pinching and making fabric. ^ Applying the feeding force to the aforementioned seam # In this embodiment, 'the simple configuration of the clamping device can be used to actually sew the fabric. X' The aforementioned clamping roller 8a can With the lifting and lowering operation of the pressure block 2, it is possible to easily set the sewing fabric when it is raised. What's more, it is also possible to 'extend the pressure block 2 to the rear side and abut this extension part to the feed roller 4. A clamping device is constructed. According to this structure, the feed of the sewing fabric can be realized with a more simplified structure. The sewing machine shown in Figs. 1 and 2 has a position from the upper side in front of the pressing block 2 Top feeding device (Top Feeding APPratUS) 9 for applying a feeding force to the fabric. This upward feeding device 9 is on the needle bar 1 In one side, feed teeth 91 having downward teeth are mounted on the front end of the feed rod 90 which is suspended by the self-sewing arm A, and 2098-5016 in the arm A at the beginning of sewing -PF (N) .ptd Page 14 587117 Five descriptions of the invention (12) — before the combination of the feed rod 90 — the action of the feed tooth 9l m moving backward from the downward movement 'boring force ^ is located in the pressure block 2 the front position of the sewing fabric) The composition of the forward feed step Q y added to the next sample, Sewing method (Contract ed, Seaf) = front is equipped with a sewing machine for contraction oeam, for example The upward feed device 9 'The inside of the cylindrical base B1 and the hunting feed are included? I Sewing 能够, can perform an equally reliable feeding operation; t ΐ 31 The sewing machine of the present invention ★' Included on the rear side of the needle plate, > The feed roller of intermittent rotation of the rear edge of the seat, # 由 二 二 ^ ϋ clamping device 'makes the sewing fabric from the top to the bottom to be edited and broadcast # ^, σ to force the feed through, so α: The drive system that is clamped to form the feeding device that is fed into the singular drinker is fed to the feed device. The inside of the base does not require feed teeth. It can be made. 1 ^ ,,,. The one-way rotation of the transmission shaft is transmitted to the feed roller; therefore, the application of: the intermittent drive of the feed roller used by the cloth can be simpler, the one-way clutch and the feed roller It is connected with the last name by confirming the belt movement, IT adds the feed force to the drive of the feed roller used for sewing the fabric, and the two-position, one-way clutch drive system can be placed in an unlimited position. On the sub-surface, there are methods to impart frictional resistance, such as embossing and toothing, so that the feed force can be reliably applied to the sewn fabric that is dislocated together with the dislocation without slipping.

2098-5016-PF (N) .ptd

587117

It ’s also pulled together with the feed roller. It consists of a rotating body such as a roller and a belt. The clamping device j == is used to feed the sewing material by intermittent rotation of the roller. Therefore, it is reasonable to carry out the sewing by using the support seat. It will be driven. Therefore, the rotation can be more and more the device of the feed device, so the invention of auxiliary sewing cloth can be exerted. Moreover, the technology of the present invention is limited to these specific applications as a clamping device or in At the beginning of the needle plate, the sewing device can be sewn as a clamping device. It can be reliably carried out with the feed, including from the top. The structure can be achieved. The needle can be fed with excellent results. The above implementation can be exemplified in a narrow sense. Within the scope of the Tawansha needle plate, the rotating roller co-sewing cloth part will make the rear side of the sewing plate more easy to explain, which can be 44. 1 ^ ·. 1 In part, the setting of the cloth can be synchronized with the feeding roller in an easy and trouble-free manner to intermittently feed the synchronized material with the rotating body for clamping. The rotation of the feed roller between the needle feed plate and the press block of the cloth to be sewn on the front of the press block can be reliably carried out, etc. This specific example is only intended to clarify the present invention. It is not just the Office that implements various changes in the spirit and patent of the present invention. 2098-5016-PF (N) .ptd Page 16 Brief Description of Drawings Figure 1 is a perspective view showing the present invention. The overall structure of a baby sewing machine Fig. 2 shows the important parts of the sewing machine according to the present invention. Fig. 3 shows a cross-sectional view. Fig. 4 is a view showing the transmission of Fig. 0, the feed roller and the feed roller, and Fig. 6 is a front view of Fig. 3. Figure 7 is a sectional view of Figure 3. Fig. 8 is a left side view of the structure of the absent-junction U in a wide cross-sectional view]. The left side view of the structure, which is executed from the left and rear, is viewed from the left and rear. B base body A Sewing machine arm 10 Needle bar 2 Press block 4 Feed roller 5 Lower shaft 6 0 Rocker arm 51 Feed bar 7 Belt wheel by 71 arm 61 Rocker arm C Foot β 1 Cylindrical base 11 Press bar 3 pin Plate roller shaft 6 Feed drive shaft 5 eccentric ring feed adjustment device 7 0 one-way clutch 7 2 connecting link

587117 Brief description of the diagram 41 Pulley 8 Clamping roller 80a Support wrist 82 One-way clutch 84 Transmission box 86 Pushing spring 88 Connecting rod 9 Up-feed device 91 Feed tooth 4 2 Actuating belt 8 0 Roller seat 8 1 Clutch roller 83 confirm belt 85 link 87 roller lift lever 21 bracket 9 0 feed rod

2098-5016-PF (N) .ptd Page 18

Claims (1)

^ 7117 ---- Case No. 91115148 1 • A sewing machine comprising: a cylindrical base, a base body protrudingly provided with a built-in lower shaft, and a needle plate, a pressure plate, which is raised and lowered on the aforementioned needle plate, and when lowered, the cloth can be sewn in the bathroom; 'The rollers of the needle plate are exposed partly on the rear side of the needle plate. The upper part = the rotation of the lower shaft, which is arranged along the rear of the cylindrical base. 浐 ^, driven by 4% rotation, and fed. The above-mentioned sewing cloth γ and table 9 are grounded; the clamping device loses hold of the sewing cloth between the feed roller and the feed roller by rotating the feed roller. Sew the fabric for feed. Feed rollers and the sewing machine described in item 1 of the patent range of the upper intermittent 2 drive, straight down and down the uranium: the device of the feed roller is described as follows: the feed cylinder is not mentioned: transmission, at a certain angle Repeatedly within range:: moving axis, since from α. 7 :: One-way and one-way separation of the aforementioned feed drive shaft and the aforementioned feed ": 1: ⑽: ⑽The seam described in item 2 4 ·" Please = give the roller, by moving the belt And even: The φ .. patent does not cover the α-transportation of Item 1, 2 or 3. In the sewing machine of Keshu feed roller, it has friction resistance at t8 in Table VIII of the above-mentioned misplacement device. 5. If you apply for a device to sew fabrics, you need to hold the clamping device. ^ !! Close the seam described in item 1 ", 叾 中, and the revolving body. 2098-5016-FFl (N) .ptc 587117 Case No. 91115148 Amendment VI. Patent Application Scope 6. The sewing machine according to Item 5 of the Patent Application Scope, wherein the aforementioned rotary body is on the aforementioned needle plate. The pivot support can be lifted freely. 7. The sewing machine according to item 5 of the scope of patent application, wherein the rotary body pivotally supports a part of the pressure block. 8. The 'sewing machine' according to item 5, 6, or 7 of the scope of the patent application, which includes a drive device for intermittently driving the rotary body and the feed roller in synchronization. 9. The sewing machine according to item 1 of the scope of patent application, further comprising an upward feeding device that feeds the sewing fabric from the upper part to the front of the press block and feeds it between the needle plate and the press block. 2098-5016-PFl (N) .ptc Page 20