JPH11127918A - Semi-automatic or automatic stopper for slider for slider fastener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stopper of a slider which enables delivering of a stopping function accurately and firmly in the action of a stop pawl by simply reinforcing of the stop pawl provided at the tip of a plate spring. SOLUTION: A tapered stop pawl 39 is provided at the tips of various types of plate springs 3 for the stop pawl and reinforced by a ridge part 40 which is provided thereon protruding convex inward leaving a part of the tip thereof. The plate spring 3 is properly mounted on a shell body 1 to make the stop pawl 39 constantly protrude from a pawl hole 16 bored in an upper wing plate 5. When an accidental force is applied to slide a slider in the direction of opening it, the ridge part 40 contacts a front wall 17 of the pawl hole 16 to hold a stopping action intensely. The single form of the tip of the stop pawl 39 facilitates the insertion thereof between fastener elements meshed with each other unlike the stop pawl of the conventional double form thereby achieving a smooth operation of the slider as advantage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slider for a slide fastener, in which a semi-automatic or fully automatic automatic stop mechanism formed by a leaf spring having a stop claw at one end is disposed on a slider body, and a pull handle is provided. The present invention relates to a leaf spring for a stop claw in a semi-automatic or fully automatic automatic stop device of a slider for a slide fastener, which can semi-automatically or automatically stop and fix a slider on a fastener element when a pulling operation of the slider is released.

[0002]

2. Description of the Related Art A conventional automatic stop device for a slider for a slide fastener has a structure in which a leaf spring having a locking member, that is, a stop claw, has a substantially U-shape, and a part of the leaf spring is provided with a thin-walled hardened portion that runs vertically over the entire length. The U-shaped reversing portion forms a curved spring portion by a thin-walled hardened portion, and has an outwardly bent stop claw protruding at one end portion. A slider with an automatic stop device is provided in which a part or the whole of a leaf spring over an operating part is formed in a thick part, and this leaf spring is mounted together with a pivot of a puller in a bottom-shaped cover for fixing the leaf spring on a fuselage. -37681
No. 6,086,045.

[0003] Further, as a slider with an automatic stop device, a spring bent in an oval shape is housed in a handle mounting portion, and a stop claw is drooped outward at the tip of the spring, and the stop claw has a side edge bent inward. To form a cam by bending the other end of the spring inward at an acute angle to form a cam, and insert the pivot of the pull into the oval spring and pull the pull along the cam. By doing so, a slider with an automatic stop device that slides the stop claw by pulling it up from the guide groove is disclosed in US Pat. No. 2,622,296.

[0004]

In the slider with the automatic stop device of the first embodiment described in the preceding paragraph, the stopper, that is, the stop claw formed on the leaf spring is reinforced, but the tip of the stop claw is provided for reinforcement. Is formed in a thick part, so it is difficult to smoothly insert and stop the stop claw between the left and right fastener elements that mesh with each other, and it is very troublesome to manufacture the locking body. is there.

Further, in the slider with the automatic stop device of the second example, the stop claw disposed on the spring is reinforced, but since the tip of the stop claw is bent vertically for reinforcement, it is formed double. There is a problem that it is difficult to smoothly insert and stop the stop claw between the left and right fastener elements to be engaged with each other, and it is very troublesome to form the spring.

The present invention has been made in view of the above-mentioned problems, and the invention according to claims 1 and 2 of the present invention is intended for use in a slider with a semi-automatic or fully automatic automatic stop device. The stop claw formed at the tip of the leaf spring is reinforced by simple means, and the stop claw can be smoothly inserted between the right and left fastener elements to be engaged, and furthermore, the formation of the stop claw leaf spring is easy,
Furthermore, it is a main object of the present invention to provide a semi-automatic or fully-automatic automatic stop device for a slider for a slide fastener which can exhibit a stop function accurately and firmly when a stop claw is actuated.

According to the third and fourth aspects of the present invention, in addition to the objects of the first and second aspects of the present invention, a linkage mechanism between a stop claw and a claw hole in a semi-automatic or fully automatic type automatic stop device is specified. Accordingly, an object of the present invention is to provide a semi-automatic or fully automatic automatic stop device for a slider for a slide fastener, which can exhibit a powerful stop function by a stop claw.

[0008] The inventions according to claims 5, 6 and 7 have, in addition to the objects of the invention described in claims 1, 3 and 4, respectively, a configuration of a slider which is most suitable for various types of sliders by specifying the configuration of the slider. Equipped with automatic stop mechanism,
An object of the present invention is to provide a slider for a slide fastener with an automatic stop device, which can exert a powerful stopping function and can perform a smooth slider operation.

According to the inventions of claims 8 and 9, in addition to the objects of the invention of claims 2, 3 and 4, respectively, a semi-automatic stop device having a form suitable for various types of sliders by specifying the form of the slider. It is an object of the present invention to provide a slider for a slide fastener with a semi-automatic stop device, which is equipped with a mechanism, can exert a powerful stopping function, and can perform a smooth slider operation.

[0010]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, a stop claw 39 is provided.
Of the leaf spring 3 for disposing the
And a protruding ridge portion 40 which is convex and inwardly protrudes while leaving a part of the tip of the stop claw 39 is provided. The stop claw is attached to the mounting post 12 erected on the upper wing plate 5 of the slider body 1. Leaf spring 3
And a stop claw 39 is fitted into a claw hole 16 formed in a base of a mounting column 12 erected on the rear opening 11 side of the upper wing plate 5 and freely comes and goes in a guide groove 9 for sliding a fastener element. The main configuration is an automatic stop device for a slider for a slide fastener, which is formed so that the projection 40 of the stop claw 39 can contact the front wall 17 of the claw hole 16.

According to the second aspect of the present invention, a tapered stop claw 39 is formed at the tip of the leaf spring 3 for disposing the stop claw 39, and a part of the tip of the stop claw 39 is left convex. To provide an inwardly protruding ridge portion 40, and fix the end of the stop claw leaf spring 3 on the opposite side to the stop claw 39 to the groove 25 formed in the front surface of the guide post 7 of the slider body 1. Protruding pieces 22, 23, and 24 projecting forward and backward from the upper surface of the wing plate 5 are resiliently hooked to the front and rear of a wide-width portion 38 formed on the top surface of the leaf spring 3 for the stop claw. A stop claw 39 is fitted into the claw hole 16 formed in the base of the protruding piece 24 and is formed so as to be freely retractable in the guide groove 9 for sliding the fastener element. The main configuration is a semi-automatic stop device for a slider for a slide fastener, which is formed so as to be able to come into contact with the slider 17. Than it is.

The invention described in claim 3 is the first or second invention.
In addition to the configuration of the described invention, the upper wing plate 5 of the slider body 1
The front wall 17 of the claw hole 16 is formed vertically, and the front wall 17 and the protruding ridge portion 40 protruding from the stop claw 39 are formed so as to be in close contact with each other. Or a fully automatic automatic stop device.

The invention according to claim 4 is the first or second invention.
In addition to the configuration of the described invention, the upper wing plate 5 of the slider body 1
The front wall 17 of the claw hole 16 is formed on an uphill slope so that the lower edge of the front wall 17 and the protruding ridge 40 projecting from the stop claw 39 can be brought into contact with each other. This is a semi-automatic or fully automatic automatic stop device for sliders for slide fasteners.

According to a fifth aspect of the present invention, in addition to the structure of the first, third or fourth aspect of the present invention, the leaf spring 3 for the stop claw has a vertical cross-sectional shape as a whole, and At the tip of the plate 35, a locking portion 37 for locking to the mounting column 12 is formed in a hanging shape, and an enlarged wide portion 38 is provided at the center of the leaf spring 3, and the upper plate 35 and the lower plate 36 of the leaf spring 3 are provided. The connecting portion 41 is formed in a narrow width, and the stop claw 39 is attached to the tip of the lower plate 36 of the leaf spring 3.
Are formed in a drooping shape, and a pair of double-structured mounting columns 12 having a height difference are erected on the shoulder opening 10 side and the rear opening 11 side of the upper wing plate 5 of the slider body 1, and the inner mounting column 12 is The pivot 31 of the handle 2 is placed between the front and rear mounting columns 12 so as to be shorter than the outer mounting columns 12, and the widened portion 38 of the leaf spring 3 is interposed between the front and rear mounting columns 12 from above. This is a slider for a slide fastener with an automatic stop device, which is mounted with a leaf spring 3 and caulked and fixed by an outer mounting column 12.

According to a sixth aspect of the present invention, in addition to the configuration of the first, third or fourth aspect of the present invention, the entire leaf spring 3 for the stop pawl has a substantially inverted U-shape in vertical cross section. A stop claw 39 is formed at one end of the plate spring 3, a narrow elastic piece 43 is cut and raised from the stop claw 39 side in the longitudinal center of the top plate 42 of the leaf spring 3, and a stop is provided at the other end for engaging with the mounting column 12. A stop hole 44 is formed, and a prismatic mounting column 12 is erected on the upper wing plate 5 side of the slider body 1 on the shoulder opening 10 side and the rear opening 11 side, and a locking hole 44 is formed at the top of the front mounting column 12. The pivots 31 of the tabs 2 are placed between the front and rear mounting columns 12, the leaf springs 3 are mounted from above the small projections 21, and the bottom cover 4 is attached to the mounting columns 12. It is a slider for a slide fastener with an automatic stop device that is covered and caulked and fixed.

According to a seventh aspect of the present invention, in addition to the configuration of the first, third or fourth aspect of the present invention, the entire leaf spring 3 for the stop pawl has a substantially S-shaped vertical cross-sectional shape. A stop claw 39 is provided at one end, and an enlarged wide portion 38 is provided at the other end. The leaf spring 3 is formed in a narrow width from the widened portion 38 to the curved portion 45, and a shoulder opening on the upper wing plate 5 of the slider body 1 is formed. A prism-shaped mounting column 12 is erected on the 10 side and the rear opening 11 side, and the front mounting column 1
2 is a state in which a concave portion 15 is provided on the inner side surface, the pivot 31 of the tab 2 is placed between the front and rear mounting columns 12, and the curved portion 45 of the leaf spring 3 is fitted into the concave portion 15 of the mounting column 12 from above. And a projection 60 on the inner surface which engages with the widened portion 38 of the leaf spring 3.
Is a slider for a slide fastener with an automatic stop device, in which a ship bottom-shaped cover 4 having an inside is covered and caulked and fixed to a mounting column 12.

According to an eighth aspect of the present invention, in addition to the configuration of the second, third or fourth aspect of the present invention, the leaf spring 3 for the stop pawl has a substantially inverted U-shape in vertical cross section as a whole. A stop claw 39 is bent at one end and a narrow mounting piece 46 is bent at the other end, and a widened portion 38 whose width is increased from the base of the bent mounting piece 46 to above the stop claw 39 is provided. A horn-shaped opening 49 is formed in the widened portion 38 above the claw 39, and two hook-shaped projections 2 are formed on the shoulder opening 10 side of the upper wing plate 5 of the slider body 1.
2 are attached rearward, and the tip of the protruding piece 22 is
, A hook-shaped protruding piece 23 is protruded rearward at the center of the upper surface on the rear opening 11 side of the upper wing plate 5, and the tip of the protruding piece 23 is fitted into the opening 49, A slider 31 for a slide fastener with a semi-automatic stop device, in which a pivot 31 having a cam function formed at the tip of the tab 2 is interposed between the upper wing plate 5 and the leaf spring 3 for the stop claw, and the leaf spring 3 is fixed. is there.

According to a ninth aspect of the present invention, in addition to the configuration of the second, third, or fourth aspect of the present invention, the entire leaf spring 3 for a stop claw has a substantially inverted U-shape in vertical section. At the center of 3, a widened portion 38 having an increased width is provided, and a front end side of the widened portion 38 is formed in a tapered shape whose width is sequentially reduced, and a pentagonal opening 50 is formed in the widened portion 38. An engaging piece 51 whose tip is bent in a letter shape at the rear end of the opening 50.
Is projected toward the lower part of the front surface, and a horn-shaped opening 49 is formed in the rear opening 11 side of the widened portion 38 to form a hollow inside on the guide column 7 of the upper wing plate 5. Projecting piece 23 is protruded and fitted into the opening 50, and the locking piece 51 is fitted into the projecting piece 23 and swingably engaged therewith. The hook-shaped projecting piece 23 is protruded rearward, and the tip of the projecting piece 23 is fitted into the opening 49 of the leaf spring 3, and the upper blade 5
This is a slider for a slide fastener with a semi-automatic stop device, in which a pivot 31 having a cam function and formed at the tip of the pull tab 2 is interposed between and the leaf spring 3 for stop pawl and the leaf spring 3 is fixed.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an automatic stop device for a slider for a slide fastener according to the present invention will be specifically described below with reference to the drawings.

As shown in FIGS. 1 to 3, the automatic stop device for a slider for a slide fastener according to the present invention includes a case where the slider is assembled from three members of a body 1, a tab 2, and a leaf spring 3, and FIGS. As shown, the slider may be assembled with four members, namely, the body 1, the handle 2, the leaf spring 3, and the cover 4. Then, the body 1, the tab 2 or the cover 4 of the slider is formed by die-casting a metal such as an aluminum alloy or a zinc alloy, and the leaf spring 3 or the cover 4 is formed by pressing a metal plate to assemble various sliders. .

The slider with an automatic stop device shown in FIG.
The fuselage 1 of the slider guides the upper wing plate 5 and the lower wing plate 6 to the guide columns 7.
The guide flange 8 is bent by bending both side edges of the upper wing plate 5 and the lower wing plate 6, and the fastener element E
Are formed.

On the upper wing plate 5 of the fuselage 1, a pair of mounting columns 12 are erected on the shoulder opening 10 side, that is, on the upper surface of the guide column 7 and the rear opening 11 side.
3 and a tall outer wall 14, and a recess 15 is formed between the inner walls 13 of the front and rear mounting columns 12, respectively, and a stop claw is provided at the base of the mounting column 12 on the rear opening 11 side. Of the upper wing plate 5, the front wall 17 and the rear wall 18 of the claw hole 16 are formed on an upward slope, and the side wall 19 has a vertical surface. Mounting posts 12 on both sides of the claw hole 16.
A guide surface 20 having a downward slope for guiding the pivot 31 of the pull handle 2 is formed inside the outer wall 14 of the pulley 2.

The claw hole 1 of the mounting column 12 on the rear opening 11 side
The inner wall 13 of the mounting pillar 12 on the side where 6 is perforated is formed in such a shape that the outer end portion is disposed inside the opposing inner wall 13.

The tab 2 has a rectangular or flat plate-like shape, and is provided at one end thereof with a hole 30 into which the mounting column 12 can be freely inserted. By arranging this hole 30, the leaf spring 3 is formed at the end of the tab 2. Is formed, and a knob 32 is formed at the other end of the handle 2.

The leaf spring 3 for the stop pawl has an overall vertical cross-section in the shape of a letter.
9, the locking portion 37 is bent in a downward manner so as to be deviated to the side where the mounting plate 9 is installed, and an enlarged wide portion 38 is provided at the center of the upper plate 35 so as to protrude left and right. The stop claw 3 is formed so that the tip of the lower plate 36 is bent in a drooping manner.
In order to align the stop claw 39 with the claw hole 16, the stop claw 39 is deflected to one side at the tip of the leaf spring 3 and protrudes in a tapered shape, and faces inward leaving a part of the tip of the stop claw 39. A protruding ridge portion 40 is provided so as to reinforce. Upper plate 35 and lower plate 36
Are connected to each other in a narrow width.

In order to assemble the leaf spring 3 and the tab 2 of the above-described configuration to the body 1 of the slider, the pivot 31 of the tab 2 is connected to the front mounting column 12 on the upper wing plate 5 and to the rear as shown in FIG. Is mounted on the guide surface 20 provided between the mounting columns 12, and the stop claw 39 of the leaf spring 3 is inserted into the claw hole 16 so that the tip of the stop claw 39 can protrude and protrude into the guide groove 9 provided in the body 1 from above. While being inserted into the recessed portion 15, it is placed on the upper surface of the inner wall 13 so that the widened portion 38 is interposed between the front and rear mounting columns 12. At this time, the locking portion 37 of the leaf spring 3 is After the outer end disposed on the mounting column 12 is hooked on the corner of the inner wall 13 formed inside, the leaf spring 3 is fixed to the body 1 by caulking the edge of the outer wall 14 of the mounting column 12. The slider is assembled.

In the sliding operation of the assembled slider, the stop claw 39 of the leaf spring 3 retreats from the guide groove 9 by pulling the handle 2, and can slide on the fastener element E freely. When the pulling operation of the handle 2 is stopped, the stop claw 39 projects into the guide groove 9 and is inserted between the fastener elements E, so that the slider cannot slide. For example, as shown in FIG. 4, when the fastener chain is in the closed state, when the opening force is applied, the ridge 40 projecting from the stop claw 39 abuts on the lower edge of the front wall 17 of the claw hole 16, and the slider In the opening direction and stop pawl 39
Deformation is prevented and a powerful stopping function is exhibited.

The slider with the automatic stop device shown in FIGS. 5 and 6 includes a body 1, a tab 2, a leaf spring 3, and a cover 4 of the slider.
Are formed on the upper wing plate 5 of the fuselage 1 on the shoulder opening 10 side and the rear opening 11 side, respectively, and a prismatic mounting column 12 is erected, and a leaf spring 3 is mounted on the top of the front mounting column 12. A small projection 21 for locking is provided, and the rear mounting column 1
A claw hole 16 having a front wall 17, a rear wall 18 and a side wall 19 formed of a vertical four-peripheral surface is formed in a base portion of the base 2 to insert a stop claw 39. Between them, a V-shaped guide surface 20 is formed to guide the pivot 31 of the tab 2.

The tab 2 is provided with a hole 30 on one end side of the handle 2 in which the mounting column 12 and the cover 4 can be inserted, and a pivot 3 for operating the leaf spring 3 at one end.
1 is provided.

The stop claw leaf spring 3 has an inverted U-shape in overall vertical sectional shape, and has a stop claw 39 formed at one end. The stop claw 39 is deflected to one side at the tip of the leaf spring 3. The tip is tapered. The stop claw 39 has a protruding ridge portion 40 projecting vertically inward leaving a part of the tip. Further, a stop claw 3 is provided on the top plate 42 in the central vertical direction.
The narrow elastic piece 43 is cut and raised from the 9 side and elastically contacts the inner surface of the cover 4. A locking hole 44 is formed in the corner after the elastic piece 43 has been cut and raised, and is formed so as to be fitted and locked in the small projection 21 protruding from the front mounting column 12.

The cover 4 has a ship bottom shape as a whole,
A concave recess 56 is formed at the center of the handle 5 so that the pivot 31 of the handle 2 can be inserted and operated.
A small protruding piece 58 protrudes from the lower edge of 7, and fits into a concave groove formed on the body 1 to perform positioning of the cover 4. The leaf spring 3 is disposed so as to be slidable back and forth in the cover 4,
2 moves along the small protrusion 21 protruding therefrom.

The assembling of the slider is performed by using the pivot 31
Is mounted on the guide surface 20 provided on the upper wing plate 5, and the tip of the stop claw 39 of the leaf spring 3 is positioned above the guide groove 9 from above.
The leaf spring 3 is inserted into the claw hole 16 so as to protrude therefrom.
The cover hole 4 is fitted into the small projection 21 of the front mounting post 12 and then the cover 4 is covered from above.
5 is fixed by caulking to the front and rear mounting columns 12 to assemble the slider.

The sliding operation of the slider is the same as that of the first embodiment, and is performed by pulling the handle 2, and when the handle 2 is opened as shown in FIG. The slider protrudes freely so as to be able to protrude and retract, and is inserted between the fastener elements E to stop sliding of the slider. When a force in the opening direction is applied to the body 1 of the slider in this stopped state, the leaf spring 3 moves toward the front side of the body 1, that is, the shoulder opening 10 side, and the ridge 40 protruding from the surface of the stop claw 39 causes the claw hole to be formed. 16
, And prevents the slider from sliding in the opening direction, and the ridge portion 40 prevents the stop claw 39 from deforming and can exert a powerful stopping function.

The slider with an automatic stop device shown in FIGS. 7 and 8 has a body 1, a tab 2, a leaf spring 3, and a cover 4 of the slider.
The body 1 has a shoulder opening 10 side and a rear opening 11.
The mounting column 12 is erected on the side, and the front mounting column 12 is formed with a concave groove-shaped concave portion 15 in the central longitudinal direction, and accommodates the U-shaped curved portion 45 of the leaf spring 3. The rear mounting column 12 has a prismatic shape, and the front wall 17 has an uphill slope inside the base, and the rear wall 1
The claw hole 16 having a vertical surface is formed on the side wall 8 and the side wall 19, and a V-shaped guide surface 20 for guiding the pivot 31 of the tab 2 is formed between the claw hole 16 and the front mounting column 12. .

As shown in FIG. 8, the leaf spring 3 for the stop pawl has a substantially vertical S-shape in its entire longitudinal section, and a tapered stop pawl 39 is protruded at one end so as to protrude. The claw 39 has a protruding ridge portion 40 projecting inward vertically leaving a part of the tip end, and the leaf spring 3 portion, which operates by the sliding contact of the pivot 31 of the tab 2, is formed in a wide shape. The U-shaped curved portion 45 is formed to have a narrow width from the portion, and the curved portion 45 is formed so as to be able to be accommodated in the concave portion of the front mounting column 12. An enlarged wide portion 38 is provided adjacent to the cover 4 and protrudes in the lateral direction. The wide portion 38 engages with a protrusion 60 provided on the inner surface of the cover 4.

The cover 4 has a ship bottom shape as a whole,
A concave notch 56 is formed in the center of the handle 5 so that the pivot 31 of the handle 2 can be inserted and operated. The protrusion 60 is formed so as to protrude outward at both outer corners of the protrusion 59 so as to be able to engage with the widened portion 38 of the leaf spring 3.

The slider is assembled by placing the pivot 31 of the tab 2 on the V-shaped guide surface 20 provided on the upper blade 5 in the same manner as in the above embodiments, and stopping the pawl of the leaf spring 3 from above. 3
9 is inserted into the claw hole 16 so that the tip of the mounting rod 9 projects into the guide groove 9, and the curved portion 45 is accommodated in the concave portion 15 of the mounting column 12.
Then, the side wall 55 is fixed to the mounting column 12 by caulking, and a slider is assembled.

The sliding operation of the slider is the same as in each of the above embodiments, and is performed by pulling the pull handle 2. When the handle 2 is opened as shown in FIG.
Protrudes into and out of the guide groove 9 and is inserted between the fastener elements to stop sliding of the slider. When a force in the opening direction is applied to the body 1 in this stopped state, the stop claw 3
9 ridges 40 contact the lower edge of the front wall 17 of the claw hole 16,
In addition to preventing the slider from sliding in the opening direction, the ridge portion 40 prevents the stop claw 39 from deforming and exhibits a powerful stopping function.

Next, as shown in FIGS. 9 to 12, a slider for a slide fastener provided with a semi-automatic stop device is assembled from three members: a slider body 1, a tab 2, and a leaf spring 3 for a stop claw. Then, the slider body 1 is manufactured by pressing a metal plate such as a brass plate.

The slider with a semi-automatic stop device shown in FIGS. 9 and 10 connects the upper wing plate 5 and the lower wing plate 6 of the slider body 1 with guide columns 7, and guides are provided on the side edges of the upper and lower wing plates 5, 6. The flange 8 is bent, and a guide groove 9 for guiding the fastener element is formed. A concave groove 25 for fixing the end of the leaf spring 3 for a stop claw is formed in the front surface of the guide post 7, and a hook-shaped protruding piece 22 having a bent tip is provided on the shoulder opening 10 side on the upper wing plate 5. Are protruded rearward at two places on the left and right sides, and a hook-shaped protruding piece 24 having a bent tip is protruded rearward at the center of the rear port 11 side, and the base of the protruding piece 24, that is, the rear port 11 is provided. A claw hole 16 for a stop claw is formed in the upper wing plate 5 on one side, and the front wall 17 and the rear wall 18 of the claw hole 16 are formed in a vertical plane.

On the other hand, the stop claw leaf spring 3 has a substantially inverted U-shape in its entire vertical sectional shape, one end of which is bent short and the stop claw 39 is provided, and the other end has a narrow width which is bent and elongated. A mounting portion 46 is formed, and a portion approaching the stop claw 39 between the stop claw 39 and the mounting portion 46 is formed with a widened portion 38 having an increased lateral width, and the widened portion 38 is slightly upwardly projected in a mountain shape. It is formed so that the pivot 31 of the tab 2 can be gripped. The stop claw 39 is deflected to one side at the rear end of the widened portion 38 and is tapered and protruded, and the stop claw 39 is provided with an inwardly protruding ridge 40 protruding except for a part of the tip. Reinforced. A rectangular opening 49 is drilled in the widened portion 38 above the stop claw 39, and the protruding piece 24 protruding from the upper wing plate 5 is inserted, so that the leaf spring 3 floats more than necessary. Regulate. The widened portion 38 at the base of the mounting piece 46 expands to both sides to form a flat end 48, which engages with the pair of protruding pieces 22 protruding from the upper blade 5. A concave groove 47 is formed in the center of the surface of the mounting piece 46.

The tab 2 is shaped like a strip or a flat plate, and has a hole 30 at one end into which the leaf spring 3 for stopping pawl can be inserted. By providing this hole 30, a leaf spring is formed at the end of the tab 2. A pivot 31 for actuating 3 is formed. The pivot 31 of the puller 2 in the semi-automatic stop mechanism causes the leaf spring 3 to move when the mounted puller 2 falls down or stands forward.
As shown in FIG. 9, the pivot 31 is formed to have a shape protruding to one side of the handle 2, that is, a shape having an oblong cross-section, as shown in FIG.

In order to assemble the leaf spring 3 and the tab 2 with the above-described configuration on the slider body 1, the pivot 31 of the tab 2 is inserted between the projecting pieces 22 and 24 on the upper wing plate 5. The stop claw 39 is inserted into the claw hole 16 with the stop claw leaf spring 3 covered from above, and the projection piece 24 is inserted into the opening 49.
And the end 48 of the widened portion 38 is hooked into the front protruding piece 22, and the mounting piece 46 at the front end of the leaf spring 3 is fitted into the concave groove 25 formed in the front surface of the guide column 7 of the body 1. Insert and caulk and fix to assemble the slider.

The sliding operation of the slider is performed by raising the handle 2 upward or rotating it forward.
Rises with the upper end of the mounting piece 46 as a reference, and the stop claw 39 is retracted from the guide groove 9 so that the slider can slide freely. When the puller 2 is slightly lowered from the upright state, the puller 2 automatically falls down to the rear opening 11 side by the leaf spring 3 and the pivot 31 having a cam function, and the stop claw 39 is moved from the claw hole 16 to the position between the fastener element. Inserted into and fixed. When a force in the opening direction of the fastener chain is applied to the stop claw 39 in the stop state, the ridge portion 40 of the stop claw 39 comes into close contact with the front wall 17 of the claw hole 16 and the stop claw 39 is firmly stopped without being deformed. Can be demonstrated.

The slider with the semi-automatic stop device shown in FIGS. 11 and 12 has the same form as the slider with the semi-automatic stop device of the previous example, and has a concave groove 25 formed in the front surface of the guide column 7 of the fuselage 1 and the upper wing. Slightly behind the upper surface of the guide column 7 of the plate 5, a protrusion whose inside is hollowed, that is, a protrusion 23 is protruded, and a triangular shape on which the stop claw leaf spring 3 can be placed on both sides of the protrusion 23. A protruding support 26 is provided. Behind the protruding piece 23 and the support 26, there is formed a recess 27 having a step on which the pivot 31 of the puller 2 can be placed, and the opening of the leaf spring 3 is opened from the rear end of the recess 27 toward the rear opening 11. The projecting piece 24 having a hook-like bent end capable of hooking the portion 49 is obliquely provided.
A claw hole 16 into which the stop claw 39 of the leaf spring 3 is inserted is formed between the rear claw 11 and the rear opening 11. The front wall 17 of the claw hole 16 is formed in a vertical plane, and is closely contacted with the ridge 40 of the stop claw 39. It is formed so that it can be done.

The stop pawl leaf spring 3 has a substantially inverted U-shape in its entire vertical cross section, and one end thereof is bent into a short shape to stop.
9, the other end forms a narrow attachment piece 46 bent in a long shape, and an intermediate portion between the stop claw 39 and the attachment piece 46 is formed with a widened portion 38 having an increased width, and a front end of the widened portion 38 is formed. The width is sequentially reduced and connected to the mounting piece 46.
8, a pentagonal opening 50 is punched to form a projecting piece 2 on the upper wing plate 5.
At the rear end of the opening 50, a locking piece 51 whose front end is bent in a letter shape is obliquely provided so as to protrude downward from the front so that it can be hooked in the protruding piece 23. Is formed.

The stop claw 39 is tapered and protrudes from the rear end of the widened portion 38 at a position deviated to one side, and the stop claw 39 is an inwardly projecting ridge portion leaving a part of the front end. 4
0 is protruded and reinforced. A square opening 49 is perforated in the widened portion 38 above the stop claw 39,
A protruding piece 24 protruding from the upper wing plate 5 is fitted and restricts the leaf spring 3 from floating more than necessary.

The tab 2 is flat and has a hole 30 at one end into which the leaf spring 3 for stop pawl can be inserted. By drilling the hole 30, the leaf spring 3 is actuated at the end of the tab 2. A pivot 31 is formed so that when the tab 2 is turned down on the rear opening 11, the pivot 31 is formed to have a shape protruding from the lower surface of the tab 2, that is, to have an oval cross section, thereby providing a cam function. .

In order to assemble the stop claw leaf spring 3 and the tab 2 with the above-described configuration to the slider body 1, the pivot 31 of the tab 2 is placed rearward in the recess 27 on the upper wing plate 5. The stop claw 39 is inserted into the claw hole 16 of the leaf spring 3 from above, the protruding piece 24 is inserted into the opening 49, and the locking piece 51 sloping downward is inserted into the protruding piece 23. At the same time, the mounting piece 46 is fitted into the concave groove 25 of the guide post 7, and the projection 28 in the concave groove 25 and the concave part 52 of the mounting piece 46 are brought into close contact with each other by crimping and fixing, so that the slider is assembled.

In the same manner as in the previous example, the slide operation of the slider is performed by raising the handle 2 upward or rotating it forward, so that the leaf spring 3 floats with the upper end of the mounting piece 46 as a reference.
The stop claw 39 is retracted from the guide groove 9, and the slider can be slid. When the puller 2 is slightly lowered from the upright state, the leaf spring 3 and the pivot 31 having a cam function are provided.
As a result, the handle 2 is automatically lowered to the rear opening 11 side, and at the same time, the stop claw 39 is inserted between the fastener elements from the claw hole 16 and fixed. When a force in the opening direction of the fastener chain acts on the stop claw 39 in the stop state, the ridge 40 of the stop claw 39 comes into close contact with the front wall 17 of the claw hole 16, and the stop claw 39
Can be held firmly without deformation.

[0051]

The automatic stop device for a slider for a slide fastener according to the present invention has the configuration as described above, and has the following effects by this configuration.

According to the first and second aspects of the present invention, in a slider with a semi-automatic or fully automatic automatic stop device, a tapered stop nail is formed at the tip of a leaf spring for the stop nail, and the stop nail is formed at the tip. A claw hole is provided with a protruding ridge that protrudes inward leaving a part, a leaf spring is attached to the mounting post on the upper wing plate of the fuselage, and a base of the rear opening mounting column of the upper wing plate is provided. Or insert one end of a leaf spring for the stop claw into the guide pillar of the fuselage, insert the stop claw into the claw hole drilled on the rear opening side of the upper wing plate, and both protrude and retract into the guide groove By forming freely, the ridge part was formed to be able to contact the front wall of the claw hole,
The stop claw is reinforced with a very simple structure, and the leaf spring and the ridge can be easily formed by pressing. In addition, since the leaf spring is entirely thin, the leaf spring has flexibility and can be pulled by a pull. The operation is easy, and the tip of the stop claw is thin, so that it can be easily inserted between the fastener elements and smooth slider operation can be performed. In addition, even if an opening force acts when the slider is stopped, the stop claw is not deformed even if it is pinched by the front wall of the claw hole and the fastener element, so that there is an effect that the stop function can be firmly exhibited.

The third aspect of the present invention is the first or second aspect.
In addition to the effects of the described invention, the front wall of the claw hole drilled in the upper wing plate is formed vertically, and the front wall and the protrusion of the stop claw are formed so as to be able to come into close contact with each other. Since the portion and the vertical front wall of the claw hole are in close contact with each other, there is an effect that the stopping function can be more accurately and firmly held.

The fourth aspect of the present invention is the first or second aspect.
In addition to the effects of the described invention, the front wall of the claw hole drilled in the upper wing plate is formed on an upward slope, and the lower edge of the front wall and the ridge of the stop claw are formed so as to be able to abut. Since the projection of the stop claw abuts on the lower edge of the front wall of the slope of the claw hole, the operation of the leaf spring, that is, the elastic deformation is large, so that the stop claw can be easily inserted between the fastener elements. There is an effect that the stop function can be firmly held with a part of the front wall.

According to a fifth aspect of the present invention, in addition to the effects of the first, third, or fourth aspect of the present invention, an automatic stop mechanism using a stop claw leaf spring having a vertical cross-sectional shape is formed by an automatic stop. It can be easily applied to a slider of a type, and has an effect that a slider having an excellent stopping function can be provided at a low cost.

According to a sixth aspect of the present invention, in addition to the effects of the first, third or fourth aspect of the present invention, an automatic stop mechanism using a leaf spring for a stop claw having a substantially inverted U-shaped vertical cross section is provided. It can be easily applied to a stop type slider, and has an effect that a slider having an excellent stop function can be provided at low cost.

According to a seventh aspect of the present invention, in addition to the effects of the first, third or fourth aspect, an automatic stop mechanism using a stop claw leaf spring having a substantially S-shaped vertical cross section is provided. It can be easily applied to a stop type slider, and has an effect that a slider having an excellent stop function can be provided at low cost.

According to an eighth aspect of the present invention, in addition to the effects of the second, third or fourth aspect of the present invention, an automatic stop mechanism using a plate spring for a stop claw having a substantially inverted U-shaped vertical cross section is constructed. It can be easily applied to a simple semi-automatic stop type slider, and has the effect of providing a slider having an excellent stop function at low cost.

According to a ninth aspect of the present invention, in addition to the effects of the second, third or fourth aspect of the present invention, an automatic stop mechanism using a plate spring for a stop claw having a substantially inverted U-shaped vertical cross-section is provided. The effect of the present invention is that the present invention can be easily applied to a semi-automatic stop type slider which is simple and has a smooth slider upper surface and no projections appear, and has an effect of inexpensively providing a slider having an excellent stop function. Very remarkable.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a slider with an automatic stop device using a stop-claw leaf spring having a vertical cross-sectional shape.

FIG. 2 is a vertical sectional view of the slider.

FIG. 3 is a cross-sectional view of the slider.

FIG. 4 is a vertical sectional view of a main part showing an operating state of the slider.

FIG. 5 is a vertical sectional view of a slider with an automatic stop device using a plate spring for a stop claw having a vertical inverted U-shape.

FIG. 6 is a perspective view of a leaf spring of the slider.

FIG. 7 is a longitudinal sectional view of a slider with an automatic stop device using a stop claw leaf spring having an S-shaped longitudinal section.

FIG. 8 is a perspective view of a leaf spring of the slider.

FIG. 9 is a longitudinal sectional view of a slider with a semi-automatic stop device using a plate spring for a stop claw on a vertical inverted U-shape.

FIG. 10 is a perspective view of a leaf spring of the slider.

FIG. 11 is an exploded perspective view of a slider with a semi-automatic stop device using another inverted U-shaped leaf spring for a stop claw.

FIG. 12 is a vertical sectional view of the slider.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Puller 3 Leaf spring 4 Cover 5 Upper wing plate 9 Guide groove 10 Shoulder opening 11 Rear opening 12 Mounting column 15 Depressed portion 16 Claw hole 17 Front wall 21 Small protrusion 22, 23, 24 Protrusion piece 25 Concave groove 31 Axis 35 Top Plate 36 Lower plate 37 Locking portion 38 Widening portion 39 Stop pawl 40 Protrusion 41 Connection portion 42 Top plate 43 Elastic piece 44 Locking hole 45 Curved portion 46 Mounting piece 49, 50 Opening 51 Locking piece 60 Projection (cover)

Claims (9)

[Claims] 1. A stop claw 39 having a tapered shape is formed at a tip of a leaf spring 3 for a stop claw, and a protruding ridge portion 40 is provided which is convex and inwardly protrudes except a part of the tip of the stop claw 39. The stop claw leaf spring 3 is mounted on the mounting column 12 erected on the upper wing plate 5 of the fuselage 1, and the stop claw is formed in the claw hole 16 formed in the base of the rear opening 11 side mounting column 12 of the upper wing plate 5. An automatic stop device for a slider for a slide fastener, wherein a protrusion 39 is formed so as to be able to be inserted into and retracted from the guide groove 9, and a ridge portion 40 is formed so as to be able to contact the front wall 17 of the claw hole 16. 2. A tapered stop claw 39 is formed at the tip of the stop claw leaf spring 3, and a protruding ridge portion 40 is provided which protrudes inward while leaving a part of the tip of the stop claw 39; One end of the leaf spring 3 for stop pawl is fixed to a groove 25 recessed in the guide column 7 of the fuselage 1, and projecting pieces 22, 23, 24 projecting forward and backward on the upper wing plate 5.
The widened wide portion 3 formed on the top surface of the leaf spring 3 for the stop claw
8 is snapped back and forth, and a stop claw 39 is fitted into the claw hole 16 drilled at the base of the rear protruding piece 24, and is formed so as to be able to protrude and retract into the guide groove 9. A semi-automatic stop device for a slider for a slide fastener, which is formed so as to be able to abut on a front wall 17 of a hole 16. 3. A front wall 17 of a claw hole 16 formed in the upper wing plate 7.
Are formed vertically, and the ridges 40 of the front wall 17 and the stop claws 39 are formed.
3. A semi-automatic or fully automatic automatic stop device for a slider for a slide fastener according to claim 1 or 2, wherein the automatic stop device is formed so as to be able to closely contact. 4. A front wall 17 of a claw hole 16 formed in the upper wing plate 5.
Is formed on an upward slope, the lower edge of the front wall 17 and the stop pawl 3
3. The semi-automatic or fully-automatic automatic stop device for a slider for a slide fastener according to claim 1, wherein the ridge portion 40 is formed so as to be abuttable. 5. The stop claw leaf spring 3 has a vertical cross-section in the shape of a letter, and has an engaging portion 37 formed at the tip of an upper plate 35 in a hanging shape.
An enlarged wide portion 38 is provided at the center, and an upper plate 35 and a lower plate 36 are provided.
Is formed in a narrow width, a stop claw 39 is formed at the tip of the lower plate 36 in a hanging shape, and there is a pair of height differences between the shoulder opening 10 side and the rear opening 11 side of the upper wing plate 5. Erect the mounting column 12,
The inner mounting column 12 is formed lower than the outer mounting column, and the pivot 31 of the handle 2 is placed between the front and rear mounting columns 12 so that the widened portion 38 is interposed between the front and rear mounting columns 12 from above. The slider for a slide fastener with an automatic stop device according to claim 1, 3 or 4, wherein a leaf spring 3 for a stop claw is placed on the outer surface and fixed by an outer mounting column 12. 6. The stop claw leaf spring 3 has a substantially inverted U-shaped vertical cross section, has a stop claw 39 formed at one end, and cuts and raises an elastic piece 43 from the stop claw 39 side at the longitudinal center of the top plate 42. A locking hole 44 is formed at the other end of the upper wing plate 5, a mounting post 12 is erected on the shoulder opening 10 side and the rear opening 11 side of the upper wing plate 5, and a small projection 21 is protruded from the top of the front mounting post 12. , The pivot 3 of the handle 2 between the front and rear mounting columns 12
5. The slide fastener with an automatic stop device according to claim 1, wherein the plate spring is mounted from above, the leaf spring for a stop claw is mounted from above, and a bottom-shaped cover is covered and fixed to the mounting column. Slider. 7. The stop claw leaf spring 3 has a substantially S-shaped vertical cross section, a stop claw 39 at one end, and an enlarged wide portion 38 at the other end.
Is formed in a narrow width from the widened portion 38 to the curved portion 45, and the mounting column 1 is provided on the shoulder opening 10 side and the rear opening 11 side of the upper wing plate 5.
2, the front mounting column 12 is provided with a concave portion 15 inside, and the pivot 31 of the pull handle 2 is placed between the front and rear mounting columns 12;
From above, the bent portion 45 of the leaf spring 3 is placed so as to be fitted into the recessed portion 15, and a bottom-shaped cover 4 having an inner surface provided with a projection 60 that engages with the widened portion 38 is fixed to the mounting column 12. The slider for a slide fastener with an automatic stop device according to claim 1, 3 or 4, wherein the slider is provided. 8. The stop claw leaf spring 3 has a substantially inverted U-shape in vertical section, and has a stop claw 39 at one end and a narrow mounting piece 4 at the other end.
6 is bent to form an enlarged wide portion 38 from the base of the mounting piece 46 to above the stop claw 39, and a square opening 49 is formed in the wide portion 38 above the stop claw 39; Two hook-shaped protruding pieces 22 are juxtaposed on the shoulder opening 10 side of the upper wing plate 5 to increase the width of the widened portion 38.
And a hook-shaped protruding piece 23 is protruded from the center of the upper surface on the rear opening 11 side of the upper wing plate 5 to fit into the opening 49, so that the upper wing plate 5
5. The slider for a slide fastener with a semi-automatic stopping device according to claim 2, wherein the cam-shaped pivot 31 of the puller 2 is mounted between the stop claw leaf spring 3 and the leaf spring 3 is fixed. 9. The stop claw leaf spring 3 is provided with a widened portion 38 having a substantially inverted U-shape in vertical section and an enlarged center portion.
The front end side of the widened portion 38 is tapered, and a pentagonal opening 50 is formed in the widened portion 38, and a U-shaped engaging piece 51 protrudes downward from the rear end of the opening 50. , Widening section 38
A square opening 49 is formed in the rear opening 11 side, and a convex protruding piece 23 having a hollow inside is protruded on the guide column 7 of the upper wing plate 5 to fit into the opening 50. The locking piece 51 is swingably engaged, and a hook-shaped protruding piece 24 is protruded from the center of the upper surface on the side of the rear opening 11 so as to fit into the opening 49, and between the upper wing plate 5 and the stop claw leaf spring 3. 5. The slider for a slide fastener with a semi-automatic stop device according to claim 2, wherein a cam-shaped pivot 31 of the puller 2 is placed on the slider and the leaf spring 3 is fixed.