JPH0624509U - Simple installation button - Google Patents

Abstract

(57) [Summary] [Purpose] The simple mounting button is composed of a single part to reduce the cost and can be mounted separately on the cloth, and the shaft has sufficient strength when passing through the cloth to allow smooth passage The shaft part of the should be easily cut and removed, and once attached to the cloth, it should be securely retained, and the protrusion to the back side of the cloth should be short, and the button should be well-formed. [Structure] A single part in which a shaft portion 2 having a sharp tip is formed on the back side of a button body 1. The shaft portion 2 is a narrow columnar thin base portion 3 continuing to the back side of the button body 1 and a major axis direction following the base portion 3. A bulge 4 having an elliptical cross section larger than the base 3, and the bulge 4
A constricted portion 5 having a cross section smaller than the bulging portion 4 and a piercing portion 6 having an elliptical cross section and having a pointed tip toward the tip, which are formed on both sides of the bulged portion 4 in the major axis direction. A simple mounting button in which claw portions 7 that are inclined toward both sides toward the button body 1 and thin side plate portions 8 that connect both sides of the bulging portion 4 and the piercing portion 6 in the major axis direction are formed on both sides of the constricted portion 5.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a button that can be easily attached to a fabric without using a sewing thread.

[0002]

[Prior art]

 Some buttons have been proposed so far that can be attached to cloth without using sewing threads, but the following are typical examples of commercialized and practical buttons.

A) A button body having a pointed shaft portion on the back side and a disc-shaped retaining member, which are two separate parts, and the shaft portion protruding from the back side of the button body is transferred from the tip to the cloth. This is for piercing and fitting a retaining member in the middle of the shaft that protrudes to the back surface of the cloth, and then cutting and removing the front part of the shaft (see, for example, Japanese Patent Laid-Open No. 51-47841). .

B) On the other hand, the back side of the button body is made up of a single component having a shaft portion with a sharp tip, and the back side of the button body is provided with a body portion for maintaining a distance between the back surface of the button body and the cloth. A long claw part is formed on the shaft part slightly closer to the body part toward the body part side to prevent slipping out, and the shaft part closer to the claw part has a cutting web. (Notch) is formed (see, for example, Japanese Patent Publication No. 53-22885). In this method, the shaft portion is pierced into the cloth to project to the back surface, and the cloth is pressed against the body portion by the long claw portion, and the front portion of the shaft portion is cut and removed.

[0005]

[Problems to be solved by the device]

 However, since the button shown in a) above is composed of two separate parts, the button body and the retaining member, the manufacturing cost is high in terms of material costs and mold cost, and the two parts product is used. If you don't have one set, you cannot attach it to the cloth.

On the other hand, since the button shown in b) above is composed of a single component, it has the advantages that the manufacturing cost can be reduced and that a single item can be attached to the cloth. However, since this button is a cutting web formed on the shaft, the strength of the shaft is weak at that position, and the shaft will be inadvertently cut when a force is applied while passing it through the cloth. Often.

Further, when the shaft portion is passed through the cloth, the fibers of the warp threads or the weft threads of the cloth are often caught in the web and cannot pass smoothly. However, if the web is made small, a strong force is required to cut and remove the front part after passing the shaft through the cloth.

Further, since the body of the button is formed on the back side of the button body to maintain a distance from the cloth, the buttonhole is fitted into the body when the button is hung, and the buttonhole has a slit shape. Is half open, so it looks bad on the button.

Moreover, in this button, after the shaft portion is passed through the cloth and the portion near the tip portion is cut and removed, the long claw portion elastically presses the cloth toward the body portion side, so the reaction causes the shaft portion to move toward the cloth back side. Receives a force that projects toward you. As a result, the protrusion of the shaft portion on the back side of the cloth becomes long, and there is a problem that it hits the skin strongly and hurts.

The present invention is intended to solve the problems of the conventional simple attachment button. That is, the object of the present invention is to reduce the manufacturing cost by making it into a single part and to attach the button to the cloth only by that, and the strength is sufficient when the shaft part provided on the back side of the button body is pierced into the cloth, After passing through the cloth, it can be easily cut, and when passing through the cloth, the fibers of the cloth can pass smoothly without catching on the shaft part, and once attached to the cloth, the shaft part can be securely prevented from coming off, and the back side of the cloth It is an object of the present invention to provide a simple wearing button that does not damage the skin by reducing the protrusion of the shaft portion to the shaft and that the buttonhole is fitted so that the hole is small and the button can be laid cleanly.

[0011]

[Means for Solving the Problems]

 The simple mounting button according to the present invention is a single component in which a shaft portion 2 having a pointed tip is projected on the back side of the button body 1, and the shaft portion 2 is formed into a short columnar thin base portion 3 continuing to the back side of the button body 1. A swelling portion 4 that has an elliptical cross-section that is larger than the base portion 3 in a major axis direction and that is continuous with the base portion 3, and a constriction portion that is continuous with the swelling portion 4 and that has a cross-section smaller than the swelling portion 4 5 and the constricted portion 5 and a piercing portion 6 having an elliptical cross-section and having a pointed tip, and are inclined toward both sides in the major axis direction of the bulging portion 4 toward the button body 1. And a thin guide side plate portion 8 that connects both sides of the bulging portion 4 and the piercing portion 6 in the long-axis direction on both sides of the constricted portion 5 Is.

In the above-mentioned configuration, the elliptical cross section is not limited to an elliptical shape, but is an oval or any other cross-sectional shape having a major axis and a minor axis or a major side and a minor side, and at least both side peripheral portions are rounded. Anything you have will do. In the figure, 9 is a cloth, 10 is a through hole formed in the cloth, and 11 is a buttonhole.

[0013]

[Action]

 a) In order to attach the above-described simple attachment button according to the present invention to the cloth, the shaft portion 2 of the button is pierced from the front side of the cloth 9 through the piercing portion 6 having a sharp tip, and the constricted portion 5 and the bulging portion 4 are formed. It is sufficient to pass the cloth 9 through the claw portion 7 to the short columnar base portion 3 and then cut at the position of the constricted portion 5 to remove the leading edge from the piercing portion 6.

When the piercing portion 6 passes through the cloth 9 when it is attached to the above-mentioned cloth 9, since the piercing portion 6 has an elliptical cross-section, the warp threads or the weft yarns ( One side (not shown) is gradually expanded in the major axis direction of the elliptical shape, and progresses while opening the elliptical passage hole 10.

Next, when the narrowed portion 5 passes through the passage hole 10 of the cloth 9, the thin side plate portion connecting the both sides of the piercing portion 6 and the bulging portion 4 to the both sides of the narrowed portion 5 is formed. 8 is formed, one of the weft thread and the warp thread of the cloth 9 follows the outer edge of the side plate portion 8 and does not fit into the constricted portion 5. Since the narrow constrictions 5 are reinforced by the side plate portions 8 on both sides of the constriction 5, the constriction 5 is not inadvertently cut by the force when the shaft 2 is passed through the cloth 9. .

Subsequently, even when the bulging portion 4 passes through the passage hole 10 of the cloth 9, since the bulging portion 4 has an elliptical cross section, either the weft thread or the warp thread of the cloth 9 is bulged. It will be along the side of the exit 4.

Next, the claw portion 7 protruding from the bulge portion 4 toward the button body 1 passes through the passage hole 10 of the cloth 9, and the claw portion 7 is formed on both sides of the bulge portion 4 in the major axis direction. Therefore, also in this case, either the weft thread or the warp thread of the cloth 9 follows the outside of the claw portion 7. After the claw portion 7 passes through the passage hole 10 of the cloth 9, the short columnar base portion 2 finally passes through the passage hole 10 of the cloth 9.

After that, the tip of the shaft portion 2 protruding to the back side of the cloth 9 may be pinched with a finger and twisted lightly. The shaft portion 2 is cut at the position of the narrow constriction portion 5 for piercing on the tip side. The part 6 is removed, and the button according to the present invention is attached to the cloth 9 (see FIG. 7). Since the side plate portion 8 on the side of the constricted portion 5 is thin, it can be easily broken when a twisting force is applied, and there is no obstacle when cutting and removing the shaft portion 2.

B) The button according to the present invention, which is once attached to the cloth 9 as described above, is prevented from falling off when a force for pulling and removing the button is applied as follows. . First, the short retaining tabs 7 projecting from both sides of the bulging portion 4 toward the button body 1 side pull the cloth 9 when the force for pulling and removing the button body 1 is applied. On the back side, the cloth 9 is pierced and bites at positions on both sides of the base portion 3. Therefore, the passage hole 10 of the cloth 9 penetrating the base portion 3 is prevented from expanding further, and the claw portion 7 and the bulging portion 4 are prevented from coming out of the passage hole 10.

Further, when the claw portion 7 bites into the cloth 9 as described above, the position of the passage hole 10 of the cloth 9 is held and does not move, so that the claw portion 7 and the bulge portion 4 are not moved. You are prevented from getting out. Further, since the shape of the claw portion 7 is such that the claw portion 7 is inclined from both sides in the major axis direction of the bulging portion 4 to both sides, the tip of the claw portion 7 is located at a position further away from the passage 10 of the cloth 9. Therefore, it does not come out of the passage hole 10.

Moreover, in the thin base portion 3 of the button after being attached to the cloth 9, the warp threads or the weft threads of the cloth 9 converge and come into contact with the peripheral surface thereof, and the passage hole 10 of the cloth 9 becomes small, The bulging portion 4 of the button of the present invention has an elliptical cross section and is formed to be large in the major axis direction. Therefore, the bulging portion 4 which is larger in the major axis direction than the passage hole 10 of the cloth 9 is difficult to come out of the passage hole 10 and is prevented from coming off.

C) Since the claw portion 7 of this button is formed to be short, the claw portion 7 is elastic so that the cloth 9 is not pressed against the back side of the button body 1. Therefore, the shaft portion 2 does not project to the back side of the cloth 10 due to the elasticity of the claw portion 7, and the projecting portion of the shaft portion 2 to the back side of the cloth 10 is short, so that it is prevented from hitting the skin and causing pain. Moreover, when the buttonhole 11 is fitted into the base portion 3 for applying the button, the base portion 3 has a narrow short column shape, so that the buttonhole is closed small, and the button is satisfactorily applied.

[0023]

【Example】

 In the illustrated embodiment, the shaft portion 2 on the back side of the button body 1 is formed such that the cross-sectional shape of the bulging portion 4 and the piercing portion 6 are both elliptical in cross section. However, the shape is not limited to this, and may be oval or any other cross-sectional shape having a major axis and a minor axis or a major side and a minor side, and at least peripheral edges on both sides are rounded. The cross-sectional shapes of the base portion 2 and the constricted portion 5 are substantially circular here.

Further, since the retaining claw portion 7 protruding from the bulging portion 4 does not have a role of pressing the cloth 9 to the back side of the button body 1, its length is, for example, 2 minutes of the base portion 3. It is about 1/3 to 1/3 shorter.

Further, both side edges from the tip of the piercing part 6 to the retaining claw 7 are formed in a smoothly continuous shape (see FIG. 2). The size ratio of the buttons is such that when the diameter of the button body 1 is, for example, about 10 mm, the length of the shaft portion 2 is, for example, about 15 mm. For example, it is desirable to use Duracon among synthetic resins, but the material is not limited to this, and ABS resin, polypropylene, or the like may be used as long as it has puncture hardness and easy cutting.

[0026]

[Effect of device]

 As is clear from the above, the simple mounting button according to the present invention has the following practical effects. a) Since it is composed of a single part, the manufacturing cost can be reduced and the button can be easily and quickly attached to the cloth with only one of them.

B) By forming thin side plate parts on both sides of the constricted part of the shaft part projecting on the back side of the button body, it has sufficient strength when piercing into the cloth, and the piercing part after passing through the cloth. Can be easily cut and removed.

C) Similarly, since the thin side plate portions are formed on both sides of the constricted portion, when the shaft portion is passed through the cloth, the fibers of the cloth do not get caught in the constricted portion and can smoothly pass through to the base portion.

D) A bulging portion remaining on the back side of the cloth after the shaft portion is passed through the cloth is formed into an elliptical shape in cross section, and the bulging portion is provided with a retaining claw portion which is slightly laterally inclined toward the button body. By forming the button, it is possible to reliably prevent the button from coming off after it is once attached to the cloth, and prevent accidental disengagement even if external force is applied.

E) By shortening the retaining tab, the cloth is not pressed to the back of the button body, and the shaft is not pushed out to the back of the cloth. Therefore, the protruding part is shortened and the shaft may damage the skin. Disappear.

F) In addition, since the base portion is formed thin, when the buttonhole is fitted to fit the button, the buttonhole can be closed small and the button can be satisfactorily formed.

[Brief description of drawings]

FIG. 1 is an enlarged perspective view showing an embodiment of a simple mounting button according to the present invention.

FIG. 2 is an enlarged front view of the simple wearing button shown in FIG.

FIG. 3 is an end view taken along the line AA of FIG.

4 is a BB end view of FIG. 2. FIG.

5 is a C-C end view of FIG. 2. FIG.

FIG. 6 is a D-D end view of FIG. 2.

FIG. 7 is an enlarged front view of a part of a vertical section after the simple attachment button shown in FIG. 1 is attached to a cloth.

[Explanation of symbols]

 1-Button Main Body 2-Shaft Part 3-Base Part 4-Swelling Part 5-Necked Part 6-Puncture Part 7-Claw Part 8-Side Plate Part 9-Cloth 10-Passing Hole 11-Button Hole

Claims (1)

1. A single part in which a shaft portion 2 having a sharp tip is provided on the back side of a button body 1 so as to project. The shaft portion 2 is a short columnar thin base portion 3 continuing to the back side of the button body 1 and the base portion 3. And a swelling portion 4 having an elliptical cross section whose major axis direction is larger than the base portion 3, and a constriction portion 5 for cutting having a cross section smaller than the swelling portion 4 following the swelling portion 4. Following the constricted portion 5, a piercing portion 6 having an elliptical cross-section and a pointed end is formed, and is formed on both sides of the bulging portion 4 in the major axis direction so as to prevent the button body 1 from being inclined toward both sides. A simple attachment button formed by forming a claw portion 7 and forming thin guide side plate portions 8 connecting both sides of the bulging portion 4 and the piercing portion 6 in the major axis direction on both sides of the constricted portion 5.