JPH05286296A - Magnet-type fulcrum moving clip and operation method for said clip - Google Patents

Abstract

PURPOSE:To easily release the attraction of an iron by a magnet by a pressing force in the improvement of a clip using an attracting force of a magnet to an iron. CONSTITUTION:A fixed plate 9 and an inclining plate 10, which are members long at right angles to a paper surface, are hinged by a short shaft 11a and a short shaft 11b at the both ends thereof. A permanent magnet plate 13 fixed on the fixed plate 9 and an iron plate 14 fixed on the inclining plate 10 are magnetically attracted to each other. By applying a pressing force P as shown by a figure, the inclining plate 10 is slightly deflected as an arc in the longitudinal direction thereof. The iron plate 14 is separated from the permanent magnet 13 as shown by an arrow (u) by a lever action using a point (s) in the figure as a fulcrum.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clip utilizing a magnetic attraction force of a permanent magnet and a method of operating the clip, and more particularly, to a magnetic clip improved so as to easily release the clamp, And the operating method thereof.

[0002]

2. Description of the Related Art FIG. 5 is a cross-sectional view of a conventional poster clip shown as an example of a clip device. Long thin plate 2
The bars 1a and 1b of the book are hinged by a hinge 2 and sandwich the vicinity of the upper end of the poster 3. The bar 1a is provided with a projection 4 and the bar 1b is provided with a recess 5 in order to ensure the above-mentioned clamping. Reference numeral 6 is a stopper for holding the posture in which the poster 3 is sandwiched between the pair of bars 1a and 1b.

[0003]

The sheet sandwiching of the conventional example shown in FIG. 5 has the following technical problems.

(A) A poster 3 having a pair of bars 1a and 1b
When sandwiched by, the area of size L is hidden from the upper end of the poster 3. In the prior art, when trying to shorten the dimension L, the support of the poster 3 becomes uncertain. (B) When the poster 3 is sandwiched between the bars 1a and 1b or is removed from the bars 1a and 1b, the attachment / detachment operation of the stopper 6 is required each time, which is complicated. A sheet clip shown in FIGS. 6 to 8 is used as a clip device which eliminates the above-mentioned problems in the conventional example and has a small area for covering an edge of a poster or the like, and which can quickly and easily clamp and release a sheet-shaped member. Conceivable. This sheet sandwich is an unknown device created by the inventors of the present invention and filed separately by the present applicants (Actual application No. 4-20639, hereinafter referred to as the invention of the prior application).

FIG. 6 is an external view showing an example of a sheet sandwich according to the invention of the above-mentioned prior application. Since the instrument is long in the left-right direction in the figure, the central portion is drawn in a contracted manner. Figure 6
FIG. 7A is a plan view in which the poster 19 is sandwiched, and FIG. 7 is a sectional view taken along the line aa. However, the poster 19 is omitted in FIG. Reference numeral 9 is a fixed plate, and 10 is a tilting plate. Both are hinged by a shaft 11 so as to be rotatable along their long sides. 9a is a fixed plate 9
The reference numeral 10a designates a butterfly-wearing bearing bracket which is fixedly attached to the tilting plate 10. The fixing plate 9 is fixed to the bulletin board 8 by mounting screws 12. A permanent magnet plate 13 is fixed to the fixed plate 9, and an iron plate 14 fixed to the tilting plate 10 is attracted by magnetic force. Reference numeral 15 shown in FIG. 7 is a positioning stopper made of an L-shaped metal plate, and 14 a is a piercing claw cut and raised from the iron plate 14. For details of these members, see FIG. 8 (B).
Will be described later. From the state shown in FIG.
When the tilting plate 10 is rotated in the direction of the arrow R with a fingertip on 0b, the tilting plate 10 which is closed with respect to the fixed plate 9 is opened, and a plan view of its appearance is as shown in FIG. 6 (B). .. That is, in FIG. 6A, the tilting plate 10 and the shaft 11 are hidden, but the tilting plate 10 is 180 ° about the XX ′ axis.
When turned, the fixing plate 9 appears as shown in FIG. 6 (B).
At the same time, the permanent magnet plate 13 fixed to the fixed plate 9,
And the iron plate 14 fixed to the tilting plate 10 also appears. Mounting screw 12, piercing claw 14a, positioning stopper 15
Are the components described with reference to FIG. 7. And the axis X
A recess 9b is provided at a position symmetrical to the piercing claw 14a with respect to -X '
Is provided, and the recess 14b is provided at a position symmetrical to the positioning stopper 15. The positioning stopper 15,
8A is an enlarged plan view of the vicinity of the recess 9b. In this figure, the permanent magnet plate 13 is provided with spots and the positioning stopper 15 and the fixing plate 9 are shown with parallel diagonal lines for easy reading. These spots and parallel diagonal lines in FIG. 8A do not represent a cross section. A bb cross section shown in FIG. 8A is shown in FIG. The positioning stopper is a metal plate formed in an L-shape, and a portion corresponding to one side of the L-shape is bonded to the back surface (lower surface in the figure) of the fixed plate 9, and a portion corresponding to the other side of the L-shape is formed. Permanent magnet plate 1
It penetrates through the through hole 13a formed in the hole 3 and slightly projects to the surface of the magnet plate 13. Corresponding to this protrusion, the iron plate 14
The recess 14b is formed in the. In addition, the above-mentioned iron plate 14
A piercing claw 14a having a sharp tip is cut and raised from the above. The permanent magnet plate 13 is provided with a cutout 13b facing the piercing claw 14a, and the fixed plate 9 is provided with a hole 9b as a recess. The upper end of the poster 19 is slid as shown by the arrow a, and is placed on the fixed plate 9 as appropriate, and is abutted against the positioning stopper 15. When the tilting plate 10 is brought close to the fixed plate as shown by the arrow P and closed, the piercing claw 14a pierces the poster 19 as shown by the arrow g, and the poster 19 is securely bitten. As a result, the poster 19 is completely covered by the tilting plate 10 with only a small dimension 1 covered. The sandwiched state is held by the magnetic force of the permanent magnet plate 13 attracting the iron plate 14. Then, when a force in the direction of arrow S is applied to the finger rest 10b, the tilting plate 10 can be quickly and easily separated from the fixing plate 9 by the force of the fingertip, and the poster 19 can be removed or replaced.

The inventors of the present invention created the magnet type sheet sandwich according to the invention of the above-mentioned prior application, and then continued the practical application test to find a small area for covering the poster and the like, and to attach and detach the poster and the like. We confirmed the practical effect of the intended purpose of being able to quickly and easily perform, but it was also confirmed that there is room for improvement as described below. (See FIG. 7) With the permanent magnet plate 13 adsorbing the iron plate 14, the operation of applying the fingertip to the finger rest 10b and causing the tilting plate 10 as indicated by the arrow R requires a strong force and is not easy for women and women. If the push lever 10p (indicated by an imaginary line) is integrally connected to the tilting plate 10 and pressed in the direction of arrow F to tilt the push lever 10p in the direction of arrow R ', the tilting plate 10 can be relatively easily moved. It can be rotated in the direction of arrow R and separated from the fixed plate 9. This is because, ergonomically, it is easier to exert a larger force when the finger pad is pressed and pushed than when the finger tip is hung and pulled. However, as can be easily understood from FIG. 7, if the virtual push lever 10p is provided, the rotation angle of the tilting plate 10 in the direction of the arrow R is limited and becomes unsuitable for practical use. The present invention has been made in view of the above circumstances, and is a magnetic clip that improves the magnetic sheet sandwiching according to the invention of the earlier application, and can easily release the sandwiching by pressing force of a fingertip,
And its operating method.

[0007]

The structure of the present invention for achieving the above object will be described with reference to FIGS. 1 to 3 corresponding to the first embodiment. FIG. 6 is similar to that of FIG. 6 in which the fixed plate 9 and the tilting plate 10 are not hinged for the entire length along their long sides, but only the both ends thereof are joined by the short shafts 11a and 11b. I'm wearing it. The short axis means an axis that is significantly shorter than half the length of the long sides of the fixed plate 9 and the tilting plate 10, which are rectangular plate-shaped members. The cross section taken along the line ee is as shown in FIG.
Since it is hingedly supported by the same 11b, when it is pressed in the vicinity of its central portion as shown by an arrow P, it is bent as shown by 10 'shown by an imaginary line. As described above, the vicinity of the central portion of the tilting plate 10 in the longitudinal direction is flexibly floated without being hinged and supported, and its cross section is as shown in FIG. Figure 3 above
When the pressing force indicated by arrow P is applied as illustrated in FIG. 1, the pressed portion is pressed down as indicated by arrow r.
Then, the tilting plate 10 tilts counterclockwise in the drawing as shown by arrows u and r with the point s as a fulcrum, and the iron plate 14 is separated from the permanent magnet plate 13 by the principle of "lever".
When the iron plate 14 is slightly separated from the permanent magnet plate 13, the magnetic attraction force is rapidly reduced when the magnet and the iron are separated from each other.
It can be rotated around b.

[0008]

According to the above construction, since the tilting plate 10 which is a rectangular plate-shaped member is hinged at both ends of its long side (FIG. 3), the center of the long side on the side where the hinge is attached. When the rectangular plate member (tilting plate 10) is bent by pressing the portion, the fulcrum moves to the point s shown in FIG. 1 and the action of the "lever" separates the magnet and the iron.

[0009]

1 to 3 show one embodiment of a magnetic clip according to the present invention. In this embodiment, the present invention is applied to the sheet sandwich according to the invention of the above-mentioned prior application and is improved. FIG. 1 in the present invention corresponds to FIG. 7 in the invention of the previous application, and FIG. It corresponds to FIG. 6 in the invention of the prior application. FIG. 3 is an explanatory view of the operation peculiar to the present invention. Figure 2
This will be described with reference to FIG. 6 which illustrates the invention of the prior application. In this embodiment, the tilting plate 10 is made of a flexible material in the shape of a rectangular plate, and one of a pair of long sides of the rectangle. One of the long sides of the above is hinged to the fixing plate 9. In the present invention, the term "flexible" means that the long side can be bent by about 1/100 mm by the force of the fingertip. In this embodiment, an aluminum material is used. Both ends of the long side of the tilting plate 10 are
The short shafts 11a and 11b are hinged to both ends of the long side of the fixed plate 9, respectively. FIG. 3 is a diagram schematically showing the ee cross section. Both ends of the tilting plate 10 are supported, but the central part is not supported. Therefore, when the belly of the thumb is pressed and pressed as shown by the arrow P, the thumb bends as shown by a virtual line 10 '. However, FIG. 3 is a schematic diagram, and the amount of bending is exaggerated. In reality, even when viewed with the naked eye, it does not seem to be bent. FIG. 1 shows a cross section taken along the a'-a 'plane shown in FIG. The bearing bracket 9a and the short shaft 11b are visible, but their cross sections are not visible. Therefore, when a pressing force is applied to the tilting plate 10 as shown by an arrow P in the figure, the pressed portion tilts as shown by an arrow r. This tilting in the direction of the arrow r is made possible because the pressing force P is not directly supported by the short shaft 11b. By tilting in the direction of the arrow r,
The iron plate 14 is tilted upward as shown by an arrow u with the point s shown as a fulcrum and separated from the permanent magnet plate 13. As a characteristic of the magnetic attraction force, if the attraction surface is separated even a little, a void filled with air having a small magnetic force is created, and the attraction force is rapidly reduced. Therefore, it is possible to easily rotate the tilting plate 10 in the opening direction (counterclockwise in the drawing) by placing the fingertip on the fingerrest 10b. As shown in FIG. 3, in this embodiment, one of the two fixing plates 9 and the tilting plate 10, which are rectangular plate-shaped members, is fixed to the plate surface of the bulletin board 8 having high rigidity. Therefore, since only the tilting plate 10 is bent by the pressing force (arrow P), the fixing plate 9 may be a flexible material or a rigid material. According to this example, the tilting plate 10 can be bent with one finger. As an embodiment different from the above, the fixing plate 9 shown in FIG. 3 can be made of a flexible material and can be used without being fixed to the bulletin board 8 (in this case, the fixing plate 9 can be renamed). become). With this structure, both rectangular plate members (9, 10) can be bent by sandwiching them with two fingertips as shown by arrows P, P '.
With this configuration, it is possible to operate with a force smaller than the pressing force (arrow P) in the embodiment of FIG. As is apparent from the above description with reference to FIG. 3, the members indicated by reference numeral 9 and the members indicated by 10 in FIG.
Both of them may be made of a flexible material, or one of them may be made of a flexible material.

As shown in FIG. 3, the tilting plate 1 of the present embodiment.
No. 0 is configured such that both ends thereof are hinged to the short shafts 11a and 11b so that the tilting plate 10 can bend. Although illustration is omitted, as can be easily understood from the action and effect, 1
Even if it is hinged on the flexible through shaft of a book, the same action and effect can be obtained.

Since this embodiment is provided with the positioning stopper 15 and the piercing claw 14a as shown in FIG. 1, there is little area for covering the edge of the sheet-shaped member when the sheet-shaped member is sandwiched. , The advantages of the invention of the earlier application are not hindered.

FIG. 4 is a front view showing an example in which a display device for the poster 19 is constructed using the magnetic clip according to the present invention. 16 is a bulletin board, which surrounds the plate-like portion 16b with a frame 16
It is a structure surrounded by a. The poster 19 is attached to the plate-shaped portion 16a. In this case poster 19
The portion surrounded by the contour line is the posting area K of the plate-shaped portion 16a. The upper poster clip 17 horizontally arranged at the upper end of the above-mentioned posting area K is the magnetic clip described above with reference to FIGS. 1 to 3, and its fixing plate 9 (FIG. 1) is attached to the plate portion 16b. It's stuck. This top poster clip 17
By sandwiching the vicinity of the upper edge of the poster 19 by the above, the poster 19 can be hung without largely covering the vicinity of the upper edge of the poster 19. Further, by arranging the lower poster clip 18 horizontally also at the lower end of the posting area K, the upper and lower edges of the poster 19 can be clamped and securely held. In this case, lower poster clip 1
The structure of 8 is similar to the upper poster clip 17, ie, FIG.
~ Similar to the magnetic clip of the embodiment shown in Figure 3, but without the positioning stopper 15. The reason is that since the upper edge 19a of the poster 19 is positioned by the upper poster clip 17, it is not necessary to position the lower edge 19b thereof. In the state shown in FIG. 4, the poster 19 is securely held because its upper edge 19a and lower edge 19b are sandwiched by the upper poster clip 17 and the lower poster clip 18, respectively, and the poster 19 does not flutter due to some wind. The pressing point p shown in FIG. 4 is the applying point of the pressing force arrow P shown in FIGS. 1 and 3 above. When the pushing point p is pushed by the thumb of one hand, the magnetic clip of the present invention is applied and the poster 19 is placed against the lower poster sandwiches 17 and 18.
Can be quickly and easily attached and detached.

[0013]

As described above, when the present invention is applied to a clip having a structure utilizing the attracting force of iron by a magnet, and a fulcrum-moving type magnetic clip is constructed to carry out the operating method of the present invention, By pressing a specific portion near the center of the elongated plate-shaped member, the attraction force by the magnet is released, and the pinching / releasing operation can be performed quickly and easily, which is an excellent practical effect.

[Brief description of drawings]

FIG. 1 is a fulcrum-moving type magnet-type clip according to the present invention.
It is a schematic cross-sectional view showing an example.

2A and 2B are external views of the above-described embodiment, FIG. 2A is a plan view with a poster sandwiched therebetween, and FIG. 2B is a plan view with the poster released.

FIG. 3 is an operation explanatory view schematically showing a state cut along the ee plane shown in FIG. 2 above.

FIG. 4 is a front view of a bulletin board device configured by using two sets of the magnetic clips of the above embodiment.

FIG. 5 is a cross-sectional view showing a conventional poster sandwich.

FIG. 6 is an external view of a magnet type sheet sandwich according to the invention of the prior application.

FIG. 7 is a transverse cross-sectional view of a magnet type sheet sandwich according to the invention of the prior application.

8A and 8B show a magnet type sheet sandwich according to the invention of the prior application, FIG. 8A is an enlarged plan view of an essential part, and FIG. 8B is an enlarged sectional view of an essential part.

[Explanation of symbols]

1a, 1b ... Bars in a conventional device, 2 ... Same hinge, 3 ... Poster, 4 ... Projection, 5 ... Recess, 6 ... Stopper, 7 ... Hook, 9 ... Fixing plate, 10 ... Tilt plate, 11 ...
Shaft, 11a, 11b ... Minor axis, 13 ... Permanent magnet plate, 14 ...
Iron plate, 14a ... piercing claw, 15 ... positioning stopper, 1
6 ... Bulletin board.

Front page continuation (72) Keisuke Iseki Inventor Keisuke Iseki 3-7-3 Azabu, Minato-ku, Tokyo Nigaku Co., Ltd.

Claims (11)

[Claims] 1. A clip in which two rectangular plate-shaped members are hinged along their respective long sides, and a magnet is fixed to at least one of the two rectangular plate-shaped members, and An iron plate is fixed to the other of the two rectangular plate-shaped members, and the two rectangular plate-shaped members are hinged to each other only at both ends of their long sides. At least one of the rectangular plate-shaped members is a flexible member, and the fulcrum-moving type magnetic clip. 2. One of the two rectangular plate members is fixed to the base member and does not exhibit flexibility, and the other of the two rectangular plate members is flexible. The fulcrum-moving type magnetic clip according to claim 1. 3. The fulcrum-moving type magnetic clip according to claim 1, wherein each of the two rectangular plate-shaped members is a flexible member. 4. The two rectangular plate-shaped members are hinged to each other at both ends of their long sides by shafts that are significantly shorter than half the length of the long sides. The fulcrum-moving type magnetic clip according to any one of claims 1 to 3. 5. The two rectangular plate members are hinged to each other at both ends of the long sides by a single flexible shaft having a length substantially equal to that of the long sides. And claim 1
A fulcrum-moving type magnetic clip according to any one of claims 1 to 3. 6. One of the two rectangular plate-shaped members is fixed to a base member, and the other of the two rectangular plate-shaped members opposes a long side hinged. The fulcrum-moving type magnetic clip according to claim 1, characterized in that a ridge or a protrusion on which a finger can be hung is provided on the long side. 7. The magnetic clip is for sandwiching a sheet-shaped member, and one of two rectangular plate-shaped members is provided with a sheet-shaped member in parallel with a long side thereof. A stopper for positioning is provided and the above 2
The fulcrum-moving type magnetic clip according to claim 1, wherein a claw-shaped member that pierces a sheet-shaped member is fixed to the other of the rectangular plate-shaped members. 8. A clip formed by attaching the two rectangular plate-shaped members to each other along a long side of each of them as a set, and two clips are arranged so as to face each other in parallel with the bulletin board surface. 2. The fulcrum-moving type magnetic clip according to claim 1, wherein each of the two rectangular plate-shaped members is fixed to the bulletin board surface. 9. A magnetic attraction force between the magnet and the iron, which is formed of two rectangular plate-shaped members to which one of the pair of long sides is hinged and to which a magnet and iron are attached, respectively. When a magnetic clip having a structure in which the sheet-shaped member is sandwiched by the above-mentioned sheet-shaped member is sandwiched,
In the method of rotating the two rectangular plate-shaped members relative to each other to release the clamp, one of the two rectangular plate-shaped members is formed so that at least one of the two rectangular plate-shaped members can bend. Only the two ends of one of the long sides are hinged to each other, and a force is applied to the two rectangular plate-shaped members so that the central portions of the long sides on the hinge side are brought close to each other. Two
At least one of the rectangular plate-shaped members is bent, and a new fulcrum is formed in the vicinity of the central portion between the pair of long sides of the rectangular plate-shaped member by the flexure, and the fulcrum and the force A method of operating a magnet-type clip, characterized in that the lever and the iron are separated by the action of a lever. 10. One of the two rectangular plate-shaped members is fixed to a stationary member, and the two rectangular plate-shaped members are pushed with fingertips near the center of the other long side on the hinge side. The method for operating a magnet-type clip according to claim 9, wherein pressure is applied to bend the other rectangular plate member. 11. The two rectangular plate-shaped members are sandwiched by fingertips in the vicinity of the central portion of the long sides on the hinge side to bend both of the two rectangular plate-shaped members. ,
A method for operating the magnetic clip according to claim 9.