WO2018088623A1

WO2018088623A1 - Curved scissors

Info

Publication number: WO2018088623A1
Application number: PCT/KR2016/014162
Authority: WO
Inventors: 한경희
Original assignee: 한경희
Priority date: 2016-11-08
Filing date: 2016-12-05
Publication date: 2018-05-17
Also published as: KR20180051018A

Abstract

The present invention relates to curved scissors having a double curved blade formed on an upper blade portion thereof and having, on a lower blade portion thereof, a straight blade having a planar blade surface, so as to provide convenient scissoring when food materials are repeatedly scissored, the scissors comprising: an upper blade portion including a plate-shaped upper blade body and an upper blade, which is integrally formed on the lower part of the upper blade body and has a curved blade; and a lower blade portion including a plate-shaped lower blade body and a lower blade, which is integrally formed on the upper part of the lower blade body and cuts, together with the upper blade, food materials, wherein the upper blade portion and the lower blade portion are coupled so as to be mutually rotatable through a hinge pin, and the lower blade is a planar straight blade that is orthogonal to the inner side surface of the lower blade body.

Description

Curved scissors

The present invention relates to curved scissors, and more particularly, in order to provide a convenience of scissoring when repeatedly scrubbing food materials, a double curved blade is formed on the upper blade and a curved blade made of a straight blade having a flat blade on the lower blade. It is about.

Scissors is a tool for cutting an object using the lever principle, the upper blade, the lower blade and the handle as a basic configuration, according to the purpose of the scissors, various types of scissors have been disclosed to improve the ease of use.

As an example, scissors having both upper and lower blades having curved edges are introduced in Korean Patent Publication No. 10-2014-0119643 (published date: October 10, 2014), and FIG. 1 is a front view of the scissors. .

As shown in FIG. 1, the scissors have a curved shape with both blades having a larger shear angle (Ω) as compared to the straight blades toward the edge of the blade, thereby cutting the shear object with a smaller grip force. It can be characterized by.

However, since the shear angle (Ω) is larger than that of the straight blade, the cutting object may be easily pushed toward the end of the blade in the cutting process, resulting in inconvenience in use.

The problem to be solved in the present invention is a double curved blade is formed on the upper blade portion for the convenience of scissoring, the lower blade portion is made of a straight blade having a flat plane, the edge of the cutting object caused by the shear angle of the upper blade and the lower blade To provide curvilinear shears that are suppressed.

Curved scissors of the present invention for solving the above problems, the upper blade body integrally formed in the lower portion of the upper blade body and the upper blade body and comprising an upper blade made of a curved blade; And a lower blade portion integrally formed on an upper portion of the lower blade body and the lower blade body and including a lower blade for cutting food material together with the upper blade, wherein the upper blade portion and the lower blade portion are hinge pins. Rotatably coupled to each other through, the lower blade is characterized in that the plane is a straight line of the plane perpendicular to the inner surface of the lower blade body.

In addition, the curved scissors of the present invention, the upper cutting surface and the inclined blade surface having an acute inclination angle with respect to the inner surface is formed on the outer surface of the upper blade, the upper cutting surface along the longitudinal direction of the upper blade body based on the hinge pin. The first curved blade and the second curved blade are formed sequentially, the first curved blade is made of a concave blade that is increased by the shear angle of the lower edge in the longitudinal direction with respect to the hinge pin is increased and deformed, The second curved blade is characterized by consisting of a blade that gradually increases the shear angle in the longitudinal direction with respect to the hinge pin with respect to the lower blade.

In addition, the curved scissors of the present invention, characterized in that the cutting board for further mounting the cutting object on the outer surface of the lower blade main body.

In addition, the curved scissors of the present invention is characterized in that the irregularities of the waveform is further formed on at least one or more of the upper surface of the lower blade and the cutting blade.

In addition, the curved scissors of the present invention is characterized in that the irregularities are formed to be inclined at an acute angle with respect to the blade end direction of the lower blade.

According to the curved scissors of the present invention, the convenience of repetitive shearing work through the upper blade made of the curved blade and the flat blade of the plane is reduced and the grip force required for cutting is reduced, thereby improving the merchandise of the curved scissors.

In addition, according to the curved scissors of the present invention, through the unevenness formed to be inclined at an acute angle with respect to the direction of the end of the first curved blade and the lower blade of which the shear angle is increased and decreased, the grip of the cutting object is prevented and the grip force required for cutting By this reduction, the ease of use of the curved scissors is increased.

1 is a front view showing a conventional curved scissors.

Figure 2 is a front view showing the curved scissors according to the present invention.

Figure 3 is a cross-sectional view showing the upper blade and lower blade portion of the curved scissors according to the present invention.

Figure 4 is a front view illustrating an embodiment of the curved scissors according to the present invention.

Figure 5 is a perspective view of a curved scissors according to the present invention equipped with a cutting board.

Figure 6 is a plan view showing a curved scissors according to the invention the irregularities are formed.

Prior to the present description, when the two blades of the scissors are pinched, it is revealed that the surface where the two blades contact each other is referred to as the inner side and the opposite side is referred to as the outer side.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

Figure 2 is a front view showing a curved scissors according to the present invention, Figure 3 is a cross-sectional view showing the upper and lower blades of the curved scissors according to the present invention. Referring to Figures 2 and 3, the present invention, the upper edge portion 10 and the lower blade portion 20 and the ends of the two

blade portions

10, 20 that are rotatably coupled to each other through a hinge pin (A) as a kitchen scissors. It is made of a handle portion 30 provided in, the upper blade portion 10 is characterized in that the curved blade is formed and the lower blade portion 20 is characterized in that the straight blade is formed.

The upper blade portion 10 is formed on the plate-shaped upper blade body 11 having a predetermined thickness, the lower blade 13 and the hinge pin (A) integrally formed on the lower portion of the upper blade body 11 and cutting the food material. It consists of an upper blade fixing piece 15 which is fixed to the handle portion 30 in a state disposed on the opposite side of the upper blade body (11).

As shown in FIG. 3, an upper cutting surface 131 and an inclined blade surface 133 having acute inclination angles α and α ′ with respect to the inner surface are sequentially formed on the outer surface of the upper blade 13. Cutting of the food material is made at the upper cutting surface (131).

On the other hand, as the cutting proceeds, the contact area between the cut surface of the food material and the outer surface of the shear blade increases, thereby increasing the load of the shearing material by the frictional resistance of the food material cutting surface, wherein the inclined blade surface 133 has the upper surface of the blade material 11 By spaced apart from the outer surface of the), the contact area as described above is reduced to reduce the shearing load.

In addition, the inclination angle α 'of the inclined blade surface 133 is formed to be smaller than the inclination angle α of the upper cutting surface 131, which is to increase the space between the food material cutting surface and the inclined blade surface 133 as the cutting of the food material proceeds. With this cross-sectional structure, the shear load is further reduced.

Figure 4 is a front view illustrating an embodiment of the curved scissors according to the present invention, Figure 5 is a perspective view showing a curved scissors according to the present invention with a chopping board, Figure 6 is a curved scissors according to the present invention is formed with irregularities It is a top view shown.

2, 4, 5 and 6, the upper cutting surface 131 is the first curved blade 131a and the second along the longitudinal direction of the upper blade body 11 with respect to the hinge pin (A). Curved blades 131b are sequentially formed.

The first curved edge 131a is further divided into a first section 131a 'and a second section 131a ", and the first section 131a' with respect to the lower blade 23 of the lower blade portion 20 to be described later. ) Gradually increases the shear angle θ 'along the longitudinal direction and decreases the shear angle θ' along the longitudinal direction, thereby increasing the overall length of the first curved edge 131a. The outer shape has a concave shape.

In addition, the second curved blade 131b includes a blade in which the shear angle θ ″ gradually increases in the longitudinal direction with respect to the lower blade 23.

In the initial stage of scissoring, the food material B may be pushed toward the end of the blade due to the lateral component F due to the shear angle θ formed by the shearing blades being opened, and the larger the food material, the easier the rolling. The first curved edge 131a is suppressed from being pushed out by the food material due to the section in which the shear angle θ 'decreases.

In addition, due to the nature of the scissors to be cut by the principle of the lever, as the cutting progresses away from the hinge pin (A) as the cutting progress is increased, the grip force required for cutting is increased, the second curved blade (131b) Towards the end of the blade, the shear angle θ " increased, thereby reducing this grip force increase.

The lower blade portion 20 is formed integrally with the upper plate of the lower blade body 21, the lower blade body 21 having a predetermined thickness as in the case of the upper blade portion 10 and with the upper blade 13 It consists of a lower blade fixing piece 25 which is fixed to the handle portion 30 in a state arranged on the opposite side of the lower blade body 21 to the lower blade 23 and the hinge pin (A) cutting the food material. .

If the lower edge of the scissors is sharp during repetitive scissoring work such as chopping as kitchen scissors, it may be cumbersome to repeatedly place the food on the blade. Therefore, the lower blade 23 of the present invention is not a sharp blade such as the upper cutting surface 131 of the upper blade 13, but consists of a flat straight blade perpendicular to the inner surface of the lower blade body 21.

In addition, as shown in FIG. 5 for the convenience of such repeated scissor cutting board 27 for mounting the cutting object may be further provided on the outer surface of the lower blade body 21, in this case The upper surface of the piece 27 is arranged in the same position as the lower blade 23 for the convenience of repeated scissoring.

On the other hand, as described above, in order to suppress the increase of grip force in the end of the scissors, the second curved blade 131b is started with a structure in which the shear angle θ "increases toward the edge of the blade. It may be pushed in the direction of the end.

In the present invention, as shown in FIG. 6 to prevent such food material rolling, at least one of the upper section of the lower blade 23 and the upper section of the cutting board 27 corresponding to the second curved blade 131b. As described above, the irregularities 231 of the waveform may be further formed.

In addition, the concave-convex 231 is formed to be inclined at an acute angle α ″ with respect to the blade end direction x of the lower blade 23, so that the cutting surface is opened during the cutting of the food material.

That is, the bottom surface of the food material is pushed toward the inclined unevenness 231 in the process of pushing the food material toward the edge of the lower blade 23 by the shear angle θ ″ of the second curved blade 131b. As a result, the shear surface of the food material is opened, thereby reducing adhesion between the cutting surface of the food material and the inner surface of the upper blade 13, thereby reducing the load of the shearing material by reducing the frictional resistance of the food material cutting surface.

The handle 30 is made of a handle shape and a material provided in the conventional scissors, the upper handle 31 of the user's thumb is inserted and held by the lower handle 33 is inserted into the grip grip, the upper The handle 31 is fixed to the lower blade fixing piece 25, the lower handle 33 is fixed to the upper blade fixing piece 15, respectively.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited thereto, and it should be understood that the scope of the present invention extends to the range that is substantially equivalent to the embodiment of the present invention. Various modifications can be made by those skilled in the art without departing from the spirit of the invention.

Claims

An upper blade portion 10 including an upper blade body 11 having a plate shape and an upper blade 13 formed integrally with a lower edge of the upper blade body 11 and having a curved blade; And

A lower blade portion 20 formed integrally with the lower blade main body 21 and the lower blade main body 21 and including a lower blade 23 for cutting food materials together with the upper blade 13;

It is made, including

The upper blade portion 10 and the lower blade portion 20 are rotatably coupled to each other through a hinge pin (A), the lower blade 23 of the plane perpendicular to the inner surface of the lower blade body (21) Curved scissors characterized in that the straight blade.
The method of claim 1,

On the outer surface of the upper blade 13, an upper cutting surface 131 and an inclined blade surface 133 having an acute inclination angle (α, α ') with respect to the inner surface are formed, and the upper cutting surface 131 is the hinge pin ( Based on A), the first curved edge 131a and the second curved edge 131b are sequentially formed along the longitudinal direction of the upper blade body 11, and the first curved edge 131a is the lower blade 23. ), The shear angle θ 'increases along the longitudinal direction with respect to the hinge pin A, and is made of a concave blade that is bent and decreases, and the second curved blade 131b is formed on the lower blade 23. Curved scissors, characterized in that consisting of the blade with the shear angle (θ ") gradually increases in the longitudinal direction relative to the hinge pin (A).
The method according to claim 1 or 2,

Curved scissors characterized in that the outer blade of the lower blade body 21 is further provided with a cutting board 27 for mounting the cutting object.
The method of claim 3, wherein

Curved scissors characterized in that the concave-convex (231) is further formed on at least one of the upper surface of the lower blade (23) and the cutting board (27).
The method of claim 4, wherein

The irregularities 231 is a curved scissors, characterized in that formed inclined at an acute angle (α ") with respect to the blade end direction (x) of the lower blade (23).