JPH0439353B2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to an electric hair clipper in which a head case including a fixed blade and a movable blade is pivotally connected to a grip case so as to be swingable. To improve usability by allowing only the head case to freely follow the head.

[Background technology]

Generally, an electric hair clipper has the head on the cutting edge side of the main body case and the grip part completely integrated in a straight line, and the fixed blade is installed at a fixed angle of inclination to the head of the main body case. There is.

However, with this, when cutting from the nape of the head to the top of the head, it is necessary to change the bending angle of the wrist so that the lower surface of the fixed blade follows the shape of the head, and sequentially change the angle of contact of the entire main body case with the head. . In addition, when trimming the nape of the neck, the user had to bend his/her hips and wrists extremely and hold the main case in an extremely reclined position so that the entire main case aligned with the vertical direction of the head, which made it extremely difficult to cut the nape.

[Purpose of the invention]

The present invention has focused on this fact, and aims to make it possible to easily cut from the nape of the head to the center and even the top without changing the bending angle of the wrist much.

[Summary of the invention]

That is, in the present invention, the main body case is divided into a grip case and a head case, the head case is provided with a fixed blade and a movable blade, and the head case and the grip case are relatively rotated. In addition to being movably pivotally connected, the head case is rotated and biased so that it always maintains a basic posture in a substantially straight line with respect to the grip case, so that the grip angle of the grip case does not need to be changed much. The head case 1b having a fixed blade can freely follow along the head.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.

The drawing shows an electric hair clipper according to the present invention, in which the main body case 1 is composed of a long box-shaped grip case 1a that is long in the front and back direction, and a head case 1b that is equipped with a fixed blade 2 and a movable blade 3. Become. The grip case 1a and the head case 1b are the head case 1b.
can be rotated around the left and right support shafts 4 between a basic position where the handle is in a substantially straight line in front of the grip case 1a (see the solid line state in Figure 3) and an upwardly tilted position (see the imaginary line state in the same figure). is pivotally connected to.

In FIG. 2, a motor 5, a battery 6, etc., which are the power source of the movable blade drive mechanism, are built into the grip case 1a. A blade unit 7 having a fixed blade 2 and a movable blade 3 is removably assembled on the lower surface side of the head case 1b. The blade unit 7 includes a comb-shaped fixed blade 2 inside a unit base 8 having a U-shaped cross section.
The movable blade 3, also in the shape of a comb, is pressed against the upper surface of the fixed blade 2 by a spring 10 attached to the unit base 8. A vibrator 1 is installed inside the head case 1b.
1, and a vibration lever 12 integrally formed at the front end of the vibrator 11 is made to protrude forward to move the movable blade 3.
The movable blade 3 is engaged with a driven piece 13 fixed to the upper surface side, so that the movable blade 3 slides back and forth in the left-right direction on the upper surface of the fixed blade 2 via the vibrator 11 due to the rotation of the motor 5.

Thus, the present invention is characterized in that a means is provided for biasing the head case 1b and the grip case 1a so that they are always in a substantially straight basic posture.

In the illustrated example, the leaf spring 14 is passed between the head case 1b and the grip case 1a in the main body case 1, and the base end of the leaf spring 14 is fixed to the grip case 1a with screws 15 or the like. A long hole 16 is provided in the front end of the leaf spring 14, and a pin 17 fixed to the head case 1b is engaged with the long hole 16. It is assumed that the case 1b is rotated and biased so that it always assumes the above-mentioned basic position of a substantially straight line.

Further, in the illustrated example, a locking means is provided to reliably maintain the basic posture of the head case 1b in a substantially straight line when not in use. Specifically, one of the above-mentioned left and right support shafts 4 is used as a locking means. That is, as shown in FIG. 5, the support shaft 4 is molded from plastic in the shape of a split rivet, and has a head 4a, four elastic legs 4b,
4b, 4c, 4c, a non-return claw 17 is provided at each tip of a pair of opposing legs 4b, 4b, and a check claw 17 is provided on the outer surface of each tip of the remaining pair of opposing legs 4c, 4c. Ribs 18 are provided. The side wall 19 at the front end of the grip case 1a and the side wall 20 of the head case 1b that overlaps with the outside thereof each have a shaft hole 22 having two recesses 21, 21 on the inner periphery, and a shaft hole 22 having four recesses on the inner periphery. A shaft hole 24 having a protrusion 23 is opened in communication with each other, and the support shaft 4 is inserted into the shaft holes 22 and 24.
Insert. At this time, the support shaft 4 is assembled by inserting and fitting the four legs 4b, 4b, 4c, 4c between the protrusions 23, 23 of the shaft hole 24 on the head case 1b side, as shown in FIG. Although it is inserted in a non-rotating manner, the four legs 4 are inserted into the shaft hole 22 on the side of the grip case 1a.
b, 4b, 4c, 4c are rotatably inserted, and the non-return claw 17 of the leg portion 4b is engaged with the inner open end of the shaft hole 22 to prevent it from coming out in the axial direction outward. The rib 18 of the portion 4c can be freely engaged with and disengaged from the recesses 21, 21 of the shaft hole 22. Further, the support shaft 4 has the shaft hole 22,
24 so as to be movable in the axial direction, and is always urged to protrude outward in the axial direction by an internal spring 25.

Now, when the head case 1b is in the basic position of a substantially straight line when not in use, the support shaft 4 is aligned with the rib 1.
8 into the recess 21 of the shaft hole 22 on the side of the grip case 1a,
21, and this engaged state is kept in a locked state by the biasing force of a spring 25. Therefore, under such a locked state, even if a strong external force is applied to the grip part case 1a or the head case 1b, the head case 1b will not swing inadvertently.

To change the head case 1b to an upwardly tilted position during use, as shown in FIG. The pressed state is maintained by a presser piece 26 mounted on the outer surface of the head case 1b so as to be slidable in the vertical direction, so that the head case 1b can swing freely.

After use, when the head case 1b is automatically returned to the original basic position of a substantially straight line via the leaf spring 14 and the press by the presser piece 26 is released, the support shaft 4 protrudes toward the outside of the case and the rib 18 into recess 2
1 is obtained.

In such a case, before use, release the locked state by the locking support shaft 4 as described above, and then
As shown in FIG. 6, hold the grip case 1a in your hand and place the lower side of the fixed blade 2 on your head to cut the hair from the nape to the top. Since the grip part case 1a can freely follow the overhead position, the grip angle α of the grip part case 1a
It is possible to mow while keeping the amount approximately constant. In particular, the nape area can be trimmed without having to bend the waist or wrists extremely and lay down the grip case 1a to the extreme.Also, when trimming around the center of the head, the bending of the wrists should be kept approximately constant in the same way. This means that you can mow without changing the grip angle too much.

[Another example]

The entire details of the illustrated embodiment are as described above.
The present invention is not limited to this. For example, the specific means for biasing the head case 1b into a substantially linear basic posture can be freely changed as needed. For example, a coil spring may be used instead of the leaf spring 14, and the spring may be mounted on the support shaft 4.

Further, a means for locking the head case 1b in the basic position is not necessarily required, and the present invention envisages that this may be omitted.

〔Effect of the invention〕

As explained above, in this invention, the head case 1b and the grip part case 1a are rotatably connected together, and the head case 1b is rotatably biased so that it always assumes the basic posture of a substantially straight line. Therefore, it is possible to keep the grip angle of the grip case 1a substantially constant and easily cut from the nape of the head to the entire top of the head with a comfortable grip, making it extremely easy to use. .

[Brief explanation of drawings]

Fig. 1 is an external plan view of an electric clipper showing an embodiment of the present invention, Fig. 2 is an internal plan view, Fig. 3 is a side view showing the swinging state of the head case, and Fig. 4 is a support that also serves as a lock. FIG. 5 is an enlarged sectional view of the shaft portion, FIG. 5 is an exploded perspective view of the lock/support shaft portion, and FIG. 6 is a diagram showing the state in use. 1...Body case, 1a...Grip case, 1
b... Head case, 2... Fixed blade, 3... Movable blade, 4... Support shaft, 14... Leaf spring (biasing means).

Claims (1)

[Claims] 1 The main body case 1 consists of a grip case 1a, a head case 1b equipped with a fixed blade 2 and a movable blade 3 that slides on the upper surface of the fixed blade 2, and the grip case 1a and the head case 1b are The case 1b is pivotally connected to the grip part case 1a so as to be rotatable around the support shaft 4 in a basic position in which it is substantially in line with the grip part case 1a and in an upwardly inclined position, and between the grip part case 1a and the head case 1b. The electric hair clipper is characterized in that it is provided with means for always urging the head case 1b in the rotational direction to take the basic position.