JPS5836381Y2 - scissors - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to an improvement in the connection between the blade and handle of scissors.

There are two types of conventional scissors: those in which the blade and handle are formed integrally, and those in which the blade and handle are formed separately and combined.

Of these, the latter consisted of a blade body and a synthetic resin handle, and the handle was formed by pouring synthetic resin into the area where the blade was applied.

In the case of such a method, the blade must be accurately placed against the handle former, which is accompanied by technical difficulties.

Therefore, the present invention manufactures the blade body and handle separately, and then attaches the blade body inserted into the handle with a specific shaft and adhesive, thereby creating scissors that have the same degree of bonding as conventional scissors using a simple method. The purpose is to provide.

Next, the structure of the present invention will be explained according to an embodiment shown in the drawings.

The scissors consist of two rotatably pivoted blade bodies 1, a handle 2 connected to each blade body 1, and a pin 3 serving as a specific shaft for connecting the blade bodies 1 and handle 2.

Each blade 1 has a core 4, and the core 4 is provided with a hole 5 through which the pin 3 passes, and the diameter of the hole 5 is larger than the diameter of the pin 3 and the diameter of the hole 7 of the handle 2. It's also big.

The handle 2 is provided with a cavity 6 into which the blade 1 is inserted and a hole 7 into which the pin 3 is inserted.

The hole 7 comes to a dead end after passing through the hollow part 6.

The core 4 of the blade body 1 is inserted into the hollow part 6 of the handle 2,
Adhesive is injected into the gap between the hole 7 of the handle 2 and the hole 5 of the core.
Further, pins 3 are fitted to form scissors.

Note that a screw may be used instead of the pin 3 as a ratio axis for connecting the blade body 1 and handle 2.

In this case, a thread is formed on the inner surface of the hole 7 of the handle 2, and the diameter of the hole 5 of the core 4 is larger than the diameter of the screw as in the above configuration.

By having the above-described configuration, the present invention has the following effects.

That is, conventionally, scissors were manufactured by placing the core of the blade body into a handle mold and then pouring plastic.

Therefore, it was not possible to manufacture the handle and connect the blade body and handle at separate locations, but in this invention, the blade body
Since the handle 2 and the handle 2 are separate bodies, it is possible to manufacture the blade body, manufacture the handle, and connect the blade body and handle at separate locations.

Another advantage is that the combination of the blade 1 and handle 2 can be changed by matching the specifications of the core 4 of the blade 1 and the cavity 6 of the handle 2 at the manufacturing stage.

Next, since the diameter of the hole 5 of the core 4 is larger than the diameter of the specific axis, a gap is created between the two, and by injecting adhesive into this gap and hardening it, the handle 2 is securely connected to the core 4 and there is no play. There is no risk of injury.

Therefore, in the present invention, the blade body 1 and handle 2 are manufactured separately and then combined to form a product, whereas in the conventional method, the blade body is fixed and plastic is poured into the handle mold. , scissors similar to those in which the blade body and the handle are integrally joined, and which are free from rattling, can be manufactured using a simpler method than before.

Furthermore, since the hole 7 of the handle 2 has a dead end in the middle, it is easy to inject the adhesive into the hole 7, and the injected adhesive does not accumulate at the bottom 8 of the hole 7 and flow out. have

If the hole 7 is penetrating, there is a risk that when adhesive is injected into the hole 7, the adhesive may flow out from one of the openings.

In the present invention, since the hole 7 is a dead end, when adhesive is injected into the bottom 8 of the hole 7, the adhesive accumulated in the bottom 8 is pushed out from the bottom 8 by inserting the ratio shaft. It enters the gap created by the hole 5 of the core 4 and the specific axis and condenses there.

Therefore, the blade body 1 and handle 2 can be joined without adhesive leaking.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a front view of the scissors, Fig. 2 is a front view of the pivoted blade, Fig. 3 is a sectional view of the handle, and Fig. 4 is a front view of the scissors. A cross-sectional view of the core inserted into the handle and secured with a pin and adhesive is shown. 1...Blade body, 2...Handle, 3...
・Pin, 4... Core, 5... Hole, 6.
...Empty part, 7...Hole part, 8...
··bottom.

Claims (1)

[Scope of utility model registration request] These are scissors in which the core 4 of the blade body 1 is fitted into the handle 2 and connected by the ratio axis, and the diameter of the hole 7 provided in the handle 2 to insert the ratio axis is equal to the diameter of the ratio axis. One end of the hole 7 is open and the other end is a dead end, and the diameter of the hole 5 of the core 4 through which the specific axis passes is larger than the diameter of the specific axis. The scissors are characterized in that the core 4 of the blade body 1, the handle 2, and the specific axis are fixed by applying an adhesive into the gap formed between the blade body 1 and the specific axis.