JPH0630141Y2 - Gripping scissors with case - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a pair of scissors in which a pair of openable and closable blades can be retracted from a case.

(Problems to be solved by the conventional technology and device) Conventionally, in this type of gripping scissors with a case, since both blades are rotated together with respect to the case to open and close when cutting,
For example, when cutting the lower blade while making contact with the sewing table, the lower blade floats up from the table, and there is a risk that both blades will shake significantly and become difficult to use.

The object of the present invention is to fix one blade body to the case and to allow only the other blade body to rotate with respect to the case when both blade bodies are projected from the case.
It is to improve the stability at the time of cutting and make it easy to use.

Configuration of the Invention (Means for Solving Problems) That is, the present invention comprises a case 1 and a pair of openable and closable blade bodies 11 and 12 housed in the case 1, as shown in the drawings of the embodiments described later. In the grip scissors in which both blade bodies 11 and 12 are movably supported in the front-rear direction with respect to the case 1 and can be retracted from the case 1, one blade body 11 is movably supported only in the front-rear direction with respect to the case 1. , The other blade 12
Is supported to the case 1 so as to be movable in the front-rear direction together with the one blade body 11, and is supported to the one blade body 11 so as to be openable and closable around the base end portion 16 thereof.
In the projecting state of 1 and 12, one blade body 11 is pressed against the other blade body 12 so that they can be opened and closed with respect to each other.

(Operation) When using the gripping scissors, the case 1 is grasped in a state where both blades 11 and 12 are projected from the case 1, and one blade body 11 is supported while the other blade body 1 is supported.
When 2 is operated, one blade 11 is positioned and only the other blade 12 rotates with respect to the one blade 11 to open and close each other.

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS.

The case 1 is formed by stacking left and right side plates 2 and 3 on each other, and an entrance 4 is provided at the front end of the case 1. A guide recess 5 extending in the front-rear direction is formed on the outer surface of one side plate 2 of the case 1, and
A guide hole 6 is provided in the guide recess 5 so as to extend in the front-rear direction, and the guide hole 6 is formed in the other side plate 3.
A guide groove 7 is formed so as to extend in the front-rear direction so as to face the. At the front end of the guide hole 6, a cantilever-shaped plate spring portion 8 extending rearward is provided so as to project, and the plate spring portion 8 has elasticity in the left-right direction orthogonal to one side plate 2. is doing. A positioning groove 10 is formed on the inner surface of one side plate 2 and extends in the front-rear direction along the guide hole 6.

A pair of blades 11 and 12 are housed in the case 1,
Support holes 13 and 14 formed at the bases of the two blades 11 and 12
The slide operation portion 15 and the stopper portion 16 are inserted into the above and they are fitted to each other. And the double-edged bodies 11, 12
Are supported so as to be openable and closable with respect to each other around the slide operation portion 15 and the stopper portion 16. A torsion coil spring 17 is connected between the blades 11 and 12, and the blades 11 and 12 are always biased in the opening direction by the torsion coil spring 17. Stopper concavo-convex portions 18 and 19 are formed at the bases of the two blade bodies 11 and 12, and the concavo-convex portions 18 and 19 are engaged with each other to regulate the opening of the two blade bodies 11 and 12. With both blades 11 and 12 housed in the case 1, the slide operating portion 15 on the base of one blade 11 is fitted into the guide recess 5 through the guide hole 6 and the other blade 12 is inserted. The stopper portion 16 on the base portion is fitted into the guide groove 7, and the slide operation portion 15 and the stopper portion 16 are movable in the front-rear direction along the guide recess 5, the guide hole 6 and the guide groove 7. A positioning protrusion 20 is formed on one of the blades 11, and the positioning protrusion 2
0 is engaged with the positioning groove 10 of the one side plate 2 and is movable in the front-rear direction. Therefore, the blade body 11 on one side engages with the positioning groove 10 and the positioning projection 20, and the guide recess 5 and the guide hole 6 and the slide operation portion 15 are provided.
By the two-point support by engaging with, it is possible to move only in the front-back direction with respect to the case 1. However, the other blade 12
Since there is no such regulation, it is movable in the front-rear direction with respect to the case 1 and can be opened and closed with respect to one blade body 11.

A tension coil spring 21 is connected between one blade 11 and the side plate 3 of the case 1, and the tension coil spring 21 urges both blades 11 and 12 rearward when they are inserted into the case 1.

Inside the front edge of the slide operating portion 15, the double blades 11, 1 are provided.
A notch 22 into which the tip of the leaf spring 8 is inserted is formed in a state in which 2 projects from the inlet / outlet 4 of the case 1. The notch 22 is formed on the outer surface of the tip of the leaf spring 8. An engagement recess 23 that is locked to the fitting protrusion 9 is formed. As shown in FIG. 10, the engaging protrusion 9 has a double-edged body 1.
A locking surface 9a that is orthogonal to the protruding and retracting directions of 1 and 12 and an inclined surface 9b that is inclined rearward and inward from the locking surface 9a are formed. The locking surface 23a, which is locked to 9a, is also formed to be orthogonal to each other.

Now, as shown in FIG. 1 to FIG.
In a non-use state in which the engagement between the plate spring portion 8 and the leaf spring portion 8 is released, the two blade bodies 11 and 12 are biased by the tension coil spring 21 and housed in the case 1, and the slide operation portion 15 guides the guide recess 5 and It is located at the rear end of the guide hole 6.

When the slide operating portion 15 is pushed forward with a finger against the urging force of the tension coil spring 21 from this unused state, the slide operating portion 15 moves forward along the guide concave portion 5 and the guide hole 6 to move the double-edged body. 11 and 12 start to project from the doorway 4 of the case 1. Then, the front end edge of the slide operating portion 15 comes into contact with the slope 9b of the engaging convex portion 9 of the leaf spring portion 8 to come into contact with the leaf spring portion 8.
Bends inward, and the tip of the leaf spring portion 8 slides on the slide operation portion 1
5, the engaging concave and convex portions 23,
When 9 is locked to each other by the locking surfaces 23a, 9a, the slide operating portion 15 is held against the biasing force of the tension coil spring 21, as shown in FIGS. 1
2 is projected from the doorway 4 of the case 1. In this state, the engaging surfaces 23a and 9a of the engaging concave and convex portions 23 and 9 are formed.
Since it is orthogonal to the protruding and retracting directions of both blade bodies 11 and 12, even if the slide operating portion 15 is pushed backward, the engagement concave and convex portions 23 and 9 are not easily disengaged.

In using the gripping scissors of this embodiment, as described above, the case 1 is grasped with one blade 11 facing downward while the two blades 11 and 12 are projected from the case 1. The body 11 is supported on the index finger, and the thumb is applied to the other blade body 12, which is the upper side. When the thumb is operated, only the upper blade 12 rotates with respect to the lower blade 11 to open and close each other with the lower blade 11 positioned on the index finger.

After use, when the leaf spring portion 8 is lightly pressed with a finger in a direction orthogonal to the protruding and retracting directions of the blade bodies 11 and 12, the leaf spring portion 8 bends inside the case 1 and the engaging protrusion 9 of the leaf spring portion 8 is bent. Is disengaged from the engaging recess 23 of the slide operating portion 15, the slide operating portion 15 is moved rearward along the guide recess 5 and the guide hole 6 by the urging force of the tension coil spring 21, and the double blade body 1
1, 12 enter from the entrance 4 of the case 1. When the slide operation portion 15 comes into contact with the guide recess 5 and the rear end portion of the guide hole 6, the slide operation portion 15 is stopped, and the two blade bodies 11 and 12 are stopped.
It is stored inside.

In effect, according to the present invention, one blade 11 does not move with respect to the case 1 and only the other blade 12 moves during use, which improves stability during cutting and facilitates use.

[Brief description of drawings]

1 to 11 show an embodiment of the grip scissors according to the present invention. FIG. 1 is a perspective view showing a housed state of both blades, FIG. 2 is a side view of the same, and FIG. 3 is FIG. Fig. 4 is a sectional view of Fig. 2
In the figure, a side view showing a state in which one side plate is removed, FIG. 5 is a perspective view showing a protruding state of both blades, FIG. 6 is a side view of the same, FIG. 7 is a sectional view of FIG. 6, and FIG. 6 is a side view with one side plate removed in FIG. 6, FIG. 9 is a partially enlarged sectional view of FIG. 7, FIG. 10 is a partially enlarged sectional view of FIG. 9, and FIG. 11 is an exploded perspective view. 1 ... Case, 2, 3 ... Side plate, 4 ... Doorway, 6 ...
Guide holes, 8 ... leaf springs, 9 ... engaging protrusions, 9a.
Locking surface, 10 ... Positioning groove, 11, 12 ... Blade body, 1
5 ... slide operation part, 20 ... positioning protrusion, 21 ...
... tension coil spring, 23 ... engaging recess, 23a ... locking surface.

Claims (1)

[Scope of utility model registration request] 1. A double-edged blade (1) comprising a case (1) and a pair of openable and closable blades (11, 12) housed in the case (1).
1, 12) is movably supported in the front-rear direction with respect to the case (1), and the grip scissors with the case capable of projecting and retracting from the case (1) include one blade (11) with respect to the case (1) The blade body (12) is movably supported only in one direction, and the other blade body (12) is movably supported together with the one blade body (11) in the front-rear direction with respect to the case (1), and the one blade body (11) is supported. One blade body (11) is supported so as to be openable and closable around the base end portion (16), and both blade bodies (11, 12) are projected.
On the other hand, the grip scissors with a case characterized in that the other blade (12) is pressed to be opened and closed with respect to each other.