JP2659628B2 - Razor blade support head - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a razor in which two or more cutting edges are exposed on a support having a guard, wherein a shaving surface connecting the guard and each cutting edge is applied to the skin. More particularly, the present invention relates to a blade plate having each cutting edge.

[0002]

2. Description of the Related Art Conventionally, as a blade supporting head of a razor, for example, JP-A-61-2887 and JP-A-61-132 are known.
971 and Japanese Utility Model Laid-Open No. 62-134563.

[0003]

However, in any razor, since there are two separate blade plates having a blade edge, it is necessary to support each blade plate, and the supporting structure is complicated. Not only that, the blade plates may move relative to each other, and the position of the cutting edge on the shaving surface may be slightly disturbed to affect the shaving taste.

The object of the present invention is to improve the blade plate of such a blade support head to simplify its support structure, and to maintain the position of the blade edge on the shaving surface accurately and maintain the shaving taste. I have.

[0005]

SUMMARY OF THE INVENTION In view of this object, in a blade supporting head of a razor according to the present invention, as shown in the drawings of each embodiment to be described later, exclusion holes 19, 20 and 26 are integrally arranged side by side, and the edge 1
5a, 16a, 25a, and 25b are provided. Then, the blade plate 4 is incorporated into the support 1 having the guard 9, and each blade edge 15 a,
A shaving surface P is formed by connecting the guards 9 of the support 1 with the guards 16a, 25a, 25b. Each cutting edge 15a, 16a,
The reference numerals 25a and 25b extend linearly in parallel or inclined with respect to the extending direction Q of the guard 9.

[0006]

As described above, when one blade plate 4 is integrally formed to provide each of the blade edges 15a, 16a, 25a, and 25b, the support 1
Not only is the structure of supporting the blade plate 4 simple, but also there is no relative movement between the blade edges 15a, 16a, 25a, and 25b, and the blade is accurately positioned on the shaving surface P, so that subtle deviation is unlikely to occur. Become.

[0007]

First Embodiment First, a blade supporting head of a razor according to a first embodiment of the present invention will be described with reference to FIGS. The blade support head is composed of a support 1 separated into a blade base 2 and a top plate 3.
And a blade plate 4 clamped between them.

The blade base 2 includes front, rear, left and right frames 2a, 2b, 2c,
2d and a center frame 2e installed between the front and rear frames 2a and 2b.
And a pair of shavings excluding holes 5 are formed between the frames 2a, 2b, 2c, 2d, and 2e. Front and rear frames 2
A plurality of support holes 6 are provided in a and 2b in parallel. In addition,
The recesses 7, 8 formed in the left and right frames 2c, 2d and the center frame 2e are for supporting with respect to a holder (not shown).

The top plate 3 includes front, rear, left and right frames 3a, 3b, 3c,
3d, and a guard 9 is formed on the front frame 3a. A plurality of support protrusions 10 are provided below the front and rear frames 3a, 3b.
Are juxtaposed. The blade plate 4 is integrally formed and has front, rear, left and right frames 11, 12, 13, and 14, respectively. Left and right frame 1
The projections 13a, 1 between the front and rear frames 11, 12 are provided at 3, 3 respectively.
3b, 14a and 14b are arranged side by side. Left and right frame 1
The rear frame 12 is provided between one of the protrusions 13a, 14a of the rear frame 3, 14.
, A bladed portion 15 having an L-shaped cross section is formed.
A bladed portion 16 having an L-shaped cross section is formed between the other protruding portions 13b and 14b of the left and right frames 13 and 14. Left and right frame 1
Between the front edge of the front bladed portion 16 and the front edge of the front bladed portion 16, there are a plurality of Are formed, and exclusions 19 and 20 are formed between them. Blade edges 15a, 16a are formed at the front edges of both bladed portions 15, 16 in each of the shavings removing holes 19, 20. A plurality of support holes 21 are provided in the front and rear frames 11 and 12.
Are juxtaposed.

The blade plate 4 is placed on the blade base 2, and each support projection 10 of the top plate 3 is inserted into each of the support holes 6 and 21, and the blade plate 4 is connected to the blade base 2 and the top plate 3. It is sandwiched between.
Each blade edge 16a, 15 of the front and rear double bladed portions 16, 15 of the blade plate 4
a is exposed between the front, rear, left and right frames 3a, 3b, 3c, 3d of the top plate 3 and linearly extends along the extending direction Q of the guard 9, and they are parallel to each other. The guard 9 and the cutting edges 15a, 16a are connected to form a shaving surface P.

In particular, in the first embodiment, since one blade plate 4 is integrally formed and the front and rear cutting edges 16a and 15a are provided, the structure for supporting the blade plate 4 with respect to the support 1 is not only simplified. In addition, there is no relative movement between the front and rear cutting edges 16a and 15a. Therefore, both the cutting edges 16a and 15a are accurately positioned on the shaving surface P, so that it is difficult for subtle deviation to occur, and the shaving taste can be maintained.

[0012]

Second Embodiment Next, a second embodiment of the present invention shown in FIGS. 5 to 8 will be described focusing on differences from the first embodiment. In the blade base 2 of the second embodiment, there is no portion corresponding to the center frame 2e as compared with the blade base 2 of the first embodiment, and the front and rear left and right frames 2a, 2b, 2c, and 2d have one portion. Two shaving exclusion holes 5 are formed. Also, instead of the holder supporting recesses 7 and 8 in the first embodiment, both left and right frames 2c and 2d are used.
The leg portions 22 are provided so as to face each other downward toward the center of the blade base 2.

In the top plate 3 of the second embodiment, the front frame 3a
A guard 9 is formed not only on the top but also on the rear frame 3b. In the blade plate 4 of the second embodiment, both front and rear bladed portions 16 and 15 are changed as compared with the blade plate 4 of the first embodiment. That is, in both the left and right frames 13 and 14, the bladed portion 15 which is continuous with the center frame 23 and the rear frame 12 is formed on both front and rear sides between the one protruding portions 13a and 14a, and the other protruding portions 13b and 14b. A bladed portion 16 is formed on both front and rear sides of the front frame 11 and the central frame 23 between the front and rear sides 14b, and a plurality of partition frames are provided between the front bladed portions 16, 16 and between the rear bladed portions 15, 15. Extrusion holes 20 and 19 are formed between the bridges 18 and 17, respectively. In each of the shavings removing holes 20 and 19, blade edges 16a and 15a are formed on both front and rear edges of the bladed portions 16 and 15 so as to face each other. And each of the cutting edges 15a, 16
a is linearly extended along the extending direction Q of the front and rear guards 9 and is parallel to each other, and is connected to the front and rear guards 9 and the cutting edges 15a and 16a to form a shaving surface P. Has become.

Also in the second embodiment, since the blade plate 4 is integrally formed, the same effect as in the first embodiment can be obtained.

[0015]

Third Embodiment Next, a razor blade supporting head according to a third embodiment of the present invention will be described with reference to FIGS. The support 1 includes a blade base 2 and a top plate 3 separated from each other.
The blade base 2 has front, rear, left and right frames 2a, 2b, 2c, 2d,
One shaving exclusion hole 5 is formed between them, and a plurality of support holes 6 are juxtaposed on both front and rear frames 2a, 2b. In addition, the concave portions 7 of the left and right frames 2c and 2d,
Legs 24 projecting from the center of the front and rear frames 2a and 2b so as to face each other are for supporting a holder (not shown).

The top plate 3 includes front, rear, left and right frames 3a, 3b, 3c,
3d, and a guard 9 is formed on the front frame 3a. A plurality of support protrusions 10 are provided below the front and rear frames 3a, 3b.
Are juxtaposed. The blade plate 4 is integrally formed.
On the upper side, each of the long and short bladed portions 25 is formed so as to incline over the periphery of the blade plate 4 and bulge in parallel with each other. Each bladed part 25
Has a shaving exclusion hole 26 formed over its entire length,
A blade edge 25a is formed on one side edge of the shavings removing hole 26 so as to face forward. A plurality of support holes 27 are juxtaposed on both front and rear sides of the blade plate 4.

The blade plate 4 is placed on the blade base 2, and each support projection 10 of the top plate 3 is inserted into each of the support holes 6 and 27, and the blade plate 4 is connected to the blade base 2 and the top plate 3. It is sandwiched between.
Each of the blade edges 25a of the blade plate 4 is provided in the front, rear, left and right frames 3a, 3 of the top plate 3.
It is exposed between b, 3c and 3d, and extends linearly inclining with respect to the extending direction Q of the guard 9. And guard 9
And the cutting edge 25a are connected to form a shaving surface P.

Also in the third embodiment, since the blade plate 4 is formed integrally, the same effects as in the first embodiment can be obtained. Further, since each blade edge 25a of the blade plate 4 is inclined as described above, when the blade support head of this embodiment is moved in the front-rear direction perpendicular to the guard 9 during use, each blade edge 25a is so-called pull-off. It has an effect and makes the shaving taste even better.

[0019]

Fourth Embodiment Next, a fourth embodiment of the present invention shown in FIGS. 12 to 14 will be described focusing on differences from the third embodiment. In the blade base 2 of the fourth embodiment, none of the blade base 2 of the third embodiment corresponds to the concave portion 7 on both the left and right frames 2c and 2d and the legs 24 of the front and rear frames 2a and 2b. Instead, a pair of intermediate frames 2f is provided near the center of the front and rear frames 2a, 2b, and the holder supporting concave portions 28 are formed in the two intermediate frames 2f.

In the top plate 3 of the fourth embodiment, guards 9 are formed not only on the front frame 3a but also on the rear frame 3b. In the blade plate 4 of the fourth embodiment, a front-facing blade edge 25a is formed at one side edge of the shaving exclusion hole 26 at every other bladed portion 25 of each bladed portion 25, A rear-facing blade edge 25b is formed on the other side edge of the shaving exclusion hole 26 at every other blade edge portion 25 adjacent to this one blade edge portion 25.
25b face each other.

Also in the fourth embodiment, since the blade plate 4 is integrally formed, the same effect as that of the first embodiment is obtained, and the shaving is performed with the pull-off effect similarly to the third embodiment. The taste gets better.

[0022]

According to the razor blade support head of the present invention, the support structure of the blade plate 4 is simplified, and the positions of the blade edges 15a, 15b, 25a, 25b on the shaving surface P are accurately maintained. The shaving taste can be maintained.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a blade supporting head of a razor according to a first embodiment.

FIG. 2 is an assembled perspective view.

FIG. 3 is an enlarged sectional view taken along line AA of FIG. 2;

FIG. 4 is an enlarged sectional view taken along line BB of FIG. 2;

FIG. 5 is an exploded perspective view showing a blade supporting head of a razor according to a second embodiment.

FIG. 6 is an assembled perspective view of the same.

FIG. 7 is an enlarged sectional view taken along the line CC of FIG. 6;

FIG. 8 is an enlarged sectional view taken along line DD of FIG. 6;

FIG. 9 is an exploded perspective view showing a blade supporting head of a razor according to a third embodiment.

FIG. 10 is an assembled sectional view of the same.

FIG. 11 is an enlarged sectional view taken along line EE of FIG. 10;

FIG. 12 is an exploded perspective view showing a blade support head of a razor according to a fourth embodiment.

FIG. 13 is an assembled perspective view of the same.

FIG. 14 is an enlarged sectional view taken along line FF of FIG. 13;

[Explanation of symbols]

Reference Signs List 1 support, 2 blade base, 3 top plate, 4 blade plate, 9 guard, 15 bladed portion, 15a blade tip, 16 bladed portion, 16
a blade edge, 19 shavings exclusion hole, 20 shavings exclusion hole, 25 bladed portion, 25a blade edge, 25b blade edge, 26
Shaving exclusion hole, P Shaving surface, Q guard extension direction

Claims (1)

(57) [Claims] 1. A blade (15a, 16a, 25a, 25b) is exposed on a support (1) having a guard (9), and the guard (9) and each of the blades (15a, 16a, 2) are exposed.
5a, 25b), the razor blade support head having a shaving surface (P).
a, 25a, 25b) are provided at the side edges of the shavings exclusion holes (19, 20, 26) integrally arranged on one blade plate (4), and extend the guard (9). A blade support head for a razor, wherein the razor blade support head is linearly extended parallel to or inclined with respect to the direction (Q).