JPH04135275U - Sewing machine presser foot that uses tape - Google Patents

Abstract

(57) [Summary] [Purpose] To accurately and easily adjust both the width of the tape 2 to be used and the sewing position. [Structure] The guide means 3 is composed of a position adjustment guide 5, a width adjustment guide 6, and a position adjustment screw 7. The position of the position adjustment guide 5 is adjusted using the position adjustment screw 7, and the actual width of the guide path 8 is adjusted according to the width of the tape 2 using the width adjustment guide 6. [Effect] By rotating the position adjustment screw 7, the guide position of the tape 2 can be easily and accurately adjusted. Further, by moving the width adjustment guide 6, the guide path 8 can be adjusted according to the width of the tape 2 used.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a presser foot used in overlock sewing machines, and is particularly useful for sewing. It relates to a presser foot used to sew tape along the edges of fabric.

0002

[Conventional technology]

Presser feet have been developed that include tape guiding means. This presser foot is made by Jikoaki It is described in 63-12852. The presser foot described in this bulletin is The guide means is fixed to the feed side of the drop point with a screw. The guide means is It is equipped with a guide groove to guide the slide. The guide means moves the tape from side to side. It is necessary to adjust the feed position accordingly. Guide to achieve this The position of fixing the means to the presser foot has been changed. For this reason, the guide means include It is extended, a long hole is opened, and the long hole is fixed with a screw. The guide means of this structure is a screw can be loosened to move the guide means laterally along the elongated hole. Adjust the position of the guide means. After adjusting, you can tighten the screws and adjust the tape guide position.

0003 In addition, Japanese Utility Model Application No. 63-48575 also describes a presser foot equipped with a guide means. has been done. The presser foot described in this publication can be adjusted according to the width of the tape. Equipped with a guide means. The guide means can be rotated about a vertical axis on the presser foot. are connected like this.

0004

[Problem that the idea aims to solve]

The presser foot described in Utility Model Publication No. 63-12852 has a position corresponding to the tape. The disadvantage is that it takes time to adjust the position. It is a guide means by loosening the screw. The reason is to move it sideways and then tighten the screw. Also, this structure Even though the tape guide position is adjustable, the built-in presser foot does not allow you to reach the optimal width of the tape. There is a drawback that it cannot be adjusted. Guide means whose width cannot be adjusted may be difficult to use if the tape is wide. , the tape cannot pass smoothly through the guide path. On the other hand, the tape width is the tape guide. If it is narrower than the road, it has the disadvantage that it cannot be accurately positioned and guided to a fixed position.

[0005] Furthermore, the presser foot of Utility Model Application No. 63-48575 is adjusted according to the tape width. However, the guiding means of this structure can adjust both the width and position of the tape. There is a drawback that various tapes cannot be guided to the presser foot in an ideal state.

[0006] This invention was developed with the aim of resolving this drawback. The important purpose of the invention was to accurately adjust both the width of the tape used and the position where it is sewn. In addition, width and position adjustments can be made simply, easily, and accurately. To provide a presser foot for sewing machines that use tape.

[0007]

[Means to solve the problem]

The presser foot of a sewing machine that uses this tape should be placed on the feed side from the needle drop point. A tape guide means 3 is provided. The guide means 3 guides the tape 2 onto the presser foot 1. This is an improved presser foot for a sewing machine that sews the tape 2 onto the sewing cloth 4.

[0008] That is, the presser foot 1 of this invention is characterized by having the following configuration. . (a) The guide means 3 is a position adjustment guide for adjusting the guide position of the tape 2. 5, the width adjustment guide 6 for adjusting the width of the tape 2, and the position adjustment guide 5 in the horizontal direction. It is provided with a position adjustment screw 7 for moving to. (b) Adjust the guide position of the tape 2 by moving the position adjustment guide 5 laterally. It is connected to the presser foot body via a position adjustment screw 7 so that the presser foot body can be adjusted. (c) The position adjustment guide 5 is moved in the width direction of the tape 2 via the position adjustment screw 7. It is arranged so that it can move freely. (d) The tape 2 is guided into the guide path 8. Therefore, the position adjustment guide 5 is provided with a guide path 8 for guiding the tape 2. (e) The width adjustment guide 6 is connected to the position adjustment guide 5. (f) The width adjustment guide 6 can be moved laterally to adjust the actual width of the guide path 8. It has a guide piece 9 located in the guide path 8 or its opening so that the guide path 8 can be moved. (g) The width adjustment guide 6 is a position adjustment guide so that it can be moved in the width direction of the tape 2. 5.

[0009]

【Example】

Hereinafter, embodiments of this invention will be described based on the drawings. However, the examples shown below The following is an example of a presser foot for embodying the technical idea of this invention. The proposed presser foot specifies the material, shape, structure, and arrangement of the component parts as shown below. Not. The presser foot of this invention has undergone various changes within the scope of the utility model registration claim. You can get it.

0010 Furthermore, this specification includes examples to make it easier to understand the scope of the claims for utility model registration. The numbers corresponding to the indicated parts are listed in the "Claims of Utility Model Registration" and "Problem It is added to the members shown in "Means for solving the problem" column. However, the application for utility model registration is The members shown in the desired range are by no means limited to the members of the embodiments.

[0011] The presser foot 1 of the sewing machine using the tape shown in Fig. A guide means 3 for the tape 2 is provided on the rear side. The guide means 3 is as shown in the figure. Then, guide the tape 2 to the underside of the presser foot 1. In the state shown in this figure, the table The tape 2 is sewn along the edge of the sewing cloth 4.

0012 The guide means 3 arranged on the feed side of the presser foot 1 is shown in FIGS. 2 to 4. . 2 is a perspective view of the guide means 3 seen from above, FIG. 3 is a plan view, and FIG. 4 is a front view. . The guide means 3 shown in these figures is a position adjustment guide for adjusting the lateral position of the tape 2. 5, the width adjustment guide 6 for adjusting the width of the tape 2, and the position adjustment guide 5 in the horizontal direction. It is provided with a position adjustment screw 7 for moving to.

[0013] A perspective view of the position adjustment guide 5 is shown in FIG. Positioning guide shown in this figure 5, a guide path 8 is provided between the upper guide 11 and the lower guide 12. upper guide 11 and the lower guide 12 are parallel to each other so that the tape 2 can be guided between them. It is arranged. The interval between the upper guide 11 and the lower guide 12 is usually designed to be several mm. Ru. In the figure, the upper guide 11 and lower guide 12 are connected on the left side, and the right side is opened. has been done. The right opening has a slanted piece so that tape 2 can be inserted smoothly. There are 13. The inclined piece 13 has a tapered shape in which the opening width becomes slightly wider toward the right. It is molded into At the right end of the upper surface of the lower guide 12, there is a side wall for guiding the tape 2. There are 14.

[0014] Further, a vertical wall 15 is provided at the left end of the upper guide 11 and the lower guide 12. The vertical wall 15 is provided with a through hole through which the position adjustment screw 7 can be inserted. Also, the upper guy The door 11 has a vertically extending slit 16 opened therein. The slit 16 has a width tone The protrusion 17 of the alignment guide 6 is slidably inserted.

[0015] The width adjustment guide 6 slides laterally to adjust the width of the tape 2 guided to the guide path 8. Arrange. For this reason, the width adjustment guide 6 is connected to the position adjustment guide 5. width The adjustment guide 6 is shown in FIG. The width adjustment guide 6 shown in this figure has a guide piece 9 and the sliding piece 18 make the overall shape T-shaped. The guide piece 9 is the upper guide 1 1 and the lower guide 12, and as shown in FIG. Adjust the actual width of.

[0016] A protrusion 17 is provided on the top surface of the tip of the guide piece 9. The protrusion 17 is connected to the upper guide 1 It is slidably inserted into the slit 16 of 1. Insert the protrusion 17 into the slit 16. The width adjustment guide 6 is prevented from coming out from the position adjustment guide 5. The sliding piece 18 slides along sawtooth irregularities 19 provided on the front surface of the upper guide 11. do. The sliding piece 18 is provided with protrusions 20 on a surface opposite to the serrated protrusions 19. convexity The position of the width adjustment guide 6 is adjusted by sliding the width adjustment guide 20 along the sawtooth unevenness 19. This can be prevented. When moving the width adjustment guide 6 laterally, the protrusion 20 slides on the sawtooth unevenness 19. The width adjustment guide 6 that has been moved to the predetermined position has the protrusion 20 is located in the recessed part of the sawtooth-like unevenness 19 and movement is prevented.

[0017] Furthermore, a knob 21 is projected from the front surface of the sliding piece 18. With knob 21 The width adjustment guide 6 has the advantage of being easily movable.

[0018] The position adjustment screw 7 is screwed into the side wall 22 of the presser foot body. The side wall 22 is A screw hole into which the position adjustment screw 7 can be screwed is provided in the horizontal direction. screw hole The position adjustment screw 7 screwed into the Mi23 is provided. When the knob 23 is rotated by hand, the position adjustment screw 7 is moved in the axial direction. You can move to

[0019] The tip of the position adjustment screw 7 is connected to a vertical wall 15 of the position adjustment guide 5. Tare A straight wall 15 is attached to the tip of the position adjustment screw 7 so that it is rotatable and does not move in the axial direction. is connected to. The tip of the position adjustment screw 7 should be threaded without any thread processing. It is processed to be thinner than the other parts. The part without threads is inserted into the vertical wall 15. Ru. A groove is provided at the tip of the position adjustment screw 7 in the circumferential direction. Groove has snaps Ring 24 is fitted. In addition, the position adjustment screw 7 has a thin tip. A washer 25 is inserted at the boundary between the section and the threaded section. washer 25 and Hold the vertical wall 15 between the nap ring 24 and the position adjustment screw 7, and then id 5 in the horizontal direction.

[0020] However, this idea has a structure in which the position adjustment screw moves the position adjustment guide horizontally. Not specific to the mechanism shown in the figure. For example, although not shown, attach the position adjustment screw to the presser foot. Connected to the body so that it can rotate but not move axially, and the vertical positioning guide Provide a screw hole in the wall into which the position adjustment screw is screwed, and rotate the position adjustment screw to adjust the position. It is also possible to move the adjustment guide laterally.

[0021]

[Effect of the idea]

The presser foot of a sewing machine that uses the tape of this invention can be adjusted by rotating the position adjustment screw. The feature is that the guide position of the loop can be adjusted easily and accurately. Also , move the width adjustment guide along the position adjustment guide to adjust the The feature is that the actual width of the guide path can be adjusted accurately according to the loop width. therefore The presser foot of this invention has a special feature that allows sewing under optimal conditions at all times using various tapes. There is a length.

[Brief explanation of drawings]

[Fig. 1] A perspective view of a presser foot showing an embodiment of this invention.

[Fig. 2] A perspective view showing the guide means portion of the presser foot shown in Fig. 1.

[Fig. 3] A plan view showing the guide means portion of the presser foot shown in Fig. 1.

[Fig. 4] A front view showing the guide means portion of the presser foot shown in Fig. 1.

FIG. 5 is a perspective view showing a position adjustment guide and a width adjustment guide of the guide means shown in FIG. 1;

[Explanation of symbols]

1... Presser foot 2... Tape 3... Guide means 4... Sewing cloth 5... Position adjustment guide 6... Width adjustment guide 7... Position adjustment screw 8... Guide path 9... Guide piece 10... Needle drop point 11... Upper guide 12...
Lower guide 13... inclined piece 14... side wall 15...
Vertical wall 16...Slit 17...Protrusion 18...
Sliding piece 19... Serrated unevenness 20... Convexity 21...
Knob 22... Side wall 23... Knob 24...
Snap ring 25... washer

Claims (1)

[Scope of utility model registration request] [Claim 1] A presser foot for a sewing machine, which is provided with a tape guide means on the feeding side of the needle drop point and configured so that the guide means guides the tape under the presser foot, characterized by having the following configuration. presser foot. (a) The guide means (3) includes a position adjustment guide (5), a width adjustment guide (6), and a position adjustment screw (7). (b) The position adjustment guide (5) is connected to the presser foot body via the position adjustment screw (7). (c) The position adjustment guide (5) is disposed so as to be movable in the width direction of the tape via the position adjustment screw (7). (d) The position adjustment guide (5) is provided with a tape guide path (8). (e) The width adjustment guide (6) is connected to the position adjustment guide (5). (f) The width adjustment guide (6) has a guide path (8) or a guide piece (9) located at the opening thereof. (g) The width adjustment guide (6) is connected to the position adjustment guide (5) so that it can move in the width direction of the tape.