JPH0748223Y2 - Razor unit - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a replaceable blade cartridge or a T-type razor in which a replaceable blade cartridge covered with a cap can be attached to and detached from a holder, and a replaceable blade case capable of storing these replaceable blade cartridges. It relates to a razor unit consisting of.

[0002]

2. Description of the Related Art Conventionally, as a razor unit of this type,
For example, JP-B-63-49203 and JP-A-63-2.
There is one disclosed in Japanese Patent No. 92908. In the spare blade case, the storage chambers are arranged side by side on the bottom wall, and the spare blade cartridge is inserted into and removed from the storage chambers through an insertion / removal opening provided on one side of each storage chamber. .

[0003]

In such a razor unit, a spare blade cartridge used several times may be returned and stored in the storage chamber of the spare blade case. However,
In each spare blade cartridge stored in the spare blade case,
As described above, it is difficult for the user to distinguish between a disposable product and a new product, which is very inconvenient to use.

An object of the present invention is to provide a razor unit which is very convenient for the user by facilitating such distinction.

[0005]

In view of this object, a razor unit 1 according to the present invention has a holder 4 (FIG. 1) provided with a blade receiving portion 12 as shown in the drawings of each embodiment described later.
And razor heads 5 and 6 (FIG. 1) that can be attached to and detached from the blade holder 12, and a spare blade case 2 (FIGS. 2 and 13) provided with a storage chamber 24 that stores the razor heads 5 and 6. Is equipped with. The razor heads 5 and 6 are provided with a fitting groove 8 into which the blade holder 12 of the holder 4 is attached and detached. An insertion opening 9 is formed at one end of the fitting groove 8 and the fitting groove 8 is formed. A stopper portion 10 is formed at the other end of the groove 8. An opening 24a through which the holder 4 can project and move when the razor heads 5 and 6 attached to the holder 4 are stored is provided on the storage chamber 24 of the spare blade case 2, and the razor head is provided at one end of the storage chamber 24. An insertion / removal opening 25 for inserting / removing 5 and 6 is formed, and a notch 26 for taking out the blade rest 12 of the holder 4 is formed at the other end of the storage chamber 24. The razor head is composed of a spare blade cartridge 5 and a cap 6 which is put on the spare blade cartridge 5, or is composed only of the spare blade cartridge 5. The razor heads 5 and 6 are housed in the storage chamber 24 of the spare blade case 2 at a part of the fitting groove 8 on the insertion / removal opening 9 side or a part of the stopper portion 10 side, and from the storage chamber 24 at other parts. It is protruding.

[0006]

As shown in FIGS. 3 to 5 and 10 to 12, the replacement blade cartridge 5 covered with the cap 6 is inserted into the respective storage chambers 24 of the replacement blade case 2 through the insertion / removal ports 25 thereof. In this spare blade cartridge 5, the fitting groove 8 is formed in the storage chamber 24.
Is opened upward through the opening 24a of the fitting groove 8 and the insertion / removal opening 9 of the fitting groove 8 corresponds to one end of the cap 6, and the stopper portion 10 of the fitting groove 8 is the other end of the cap 6 and is a replacement blade case. It corresponds to the two notches 26.

When using the spare blade cartridge 5 housed in the spare blade case 2 as described above, as shown in FIG. 6, the blade stand receiving portion 12 of the holder 4 is attached to the spare blade cartridge at one end of the cap 6. 5 is inserted into the fitting groove 8, and the holder 4 is positioned in the replacement blade cartridge 5 when the blade base receiving portion 12 contacts the stopper portion 10 of the fitting groove 8. The holder 4 projects upward from the opening 24a of the storage chamber 24.

Then, with the replacement blade cartridge 5 with the cap 6 still attached to the holder 4, the replacement blade cartridge 5
When the cap 6 and the cap 6 are moved to the insertion / removal opening 25 side of the storage chamber 24 together with the holder 4, the T-type razor 3 as shown in FIG. 1 is taken out from the spare blade case 2. Such a T-type razor 3
Is used by attaching and detaching the cap 6 to and from the spare blade cartridge 5.

When the spare blade cartridge 5 becomes less sharp, as shown in FIG. 7, the spare blade cartridge 5 covered with the cap 6 is attached to the holder 4, and the spare blade cartridge 5 and the cap 6 are attached. The reverse blade case 2 is turned upside down, and the spare blade cartridge 5 and the cap 6 are inserted into the storage chamber 24 of the spare blade case 2 as shown in FIG. In this stored state, the replacement blade cartridge 5 is attached to the other end of the cap 6.
The stopper portion 10 of the fitting groove 8 corresponds to, and the notch portion 26 of the spare blade case 2 at one end portion of the cap 6 corresponds to the insertion opening 9 of the fitting groove 8.

Then, as shown in FIG. 9, when the blade holder 12 of the holder 4 is moved to the insertion / removal opening 9 side of the fitting groove 8,
The blade holder 12 can be removed from the fitting groove 8 through the notch 26 of the spare blade case 2, and the holder 4 can be taken out of the spare blade case 2. In the replacement blade cartridge 5 with the cap 6 left in the replacement blade case 2 in this way, the fitting groove 8 of the replacement blade cartridge 5 is formed by the stopper portion 10 on the insertion / removal opening 25 side of the storage chamber 24 of the replacement blade case 2. Since it is blocked, the blade holder receiving portion 12 of the holder 4 cannot be inserted into the fitting groove 8 in this state.

[0011]

[First Embodiment] First, a first embodiment of the present invention will be described with reference to FIGS.
Will be described with reference to. The razor unit 1 comprises a spare blade case 2 shown in FIG. 2 and a T-type razor 3 shown in FIG. This T
The razor 3 includes a holder 4, a replacement blade cartridge 5 that can be attached to and detached from the holder 4, and a cap 6 that covers the replacement blade cartridge 5.

A fitting groove 8 is formed in the blade stand 7 assembled in the spare blade cartridge 5 so as to extend in the left-right direction, and an insertion / removal opening 9 is opened at the right end of the fitting groove 8. The stopper portion 10 is formed at the left end thereof. The holder 4 separated from the replacement blade cartridge 5
In the grip handle 11, a blade receiving portion 12 is extended to the left and right sides. The blade base receiving portion 12 of the holder 4 is inserted into the fitting groove 8 of the spare blade cartridge 5 through the insertion / removal opening 9 and is connected to each other. Since the tool rest receiving portion 12 contacts the stopper portion 10 of the fitting groove 8, it can be inserted / removed only through the insertion / removal opening 9 of the fitting groove 8. In the cap 6, when the replacement blade cartridge 5 is fitted into the crowned portion 13, locking edges 14 are projected outwardly on both front and rear sides of the crowned portion 13 along the fitting groove 8. In addition, the insertion / removal opening 9 of the fitting groove 8 and the stopper portion 10
Notched portions 15 are formed on both the left and right sides of the crowned portion 13 facing the front. The locking protrusion 1 is provided at the center of both the locking edges 14.
6 is formed. In addition, in such a T-type razor 3, the razor head is constituted by the replacement blade cartridge 5 and the cap 6.

The spare blade case 2 is provided with a bottom wall 17, a front wall 18, a rear wall 19 and a left wall 20 that surround the outer periphery of the bottom wall 17, and extends from the left wall 20 to the right edge of the bottom wall 17 on the bottom wall 17. The front and rear walls 18, 19 and each partition wall 21 are orthogonal to the left wall 20 and are arranged in parallel with each other at equal intervals. At the upper ends of the front and rear walls 18, 19 and the upper ends of the partition walls 21, a locking plate portion extends from the upper end of the left wall 20 along the respective walls 18, 19, 21 to above the right edge of the bottom wall 17. 22 are provided so as to be opposed to the adjacent walls 18, 19 and 21 so as to face each other. A locking recess 23 is formed inside each locking plate 22 near the right edge of the bottom wall 17.

A storage chamber 24 is formed between the walls 17, 18, 19, 20, 21, and the storage chamber 24 is opened upward through an opening 24a and is opened to the right edge side of the bottom wall 17. The insertion / removal opening 25 is formed. In particular, a notch 26 is formed in the left wall 20 of each storage chamber 24. As shown in FIGS. 3 to 5, the replacement blade cartridge 5 covered with the cap 6 is provided in each storage chamber 2 of the replacement blade case 2.
4 is inserted from the insertion / removal opening 25, and the replacement blade cartridge 5
Also, the right side portion of the cap 6 projects from the spare blade case 2. In the left side portion of the cap 6, its crowned portion 13
Faces the respective walls 17, 18, 19, 20, 21 of the storage chamber 24, and both locking edge portions 14 are applied to the undersides of both locking plate portions 22 of the storage chamber 24, so that The locking projections 16 of both locking edge portions 14 are engaged in the locking recesses 23 of the stop plate portion 22. In the spare blade cartridge 5, the fitting groove 8 of the blade base 7 is opened upward through the opening 24a of the storage chamber 24, and the insertion / removal opening 9 of the fitting groove 8 is formed in the cutout portion 15 at the right end portion of the cap 6. In addition, the stopper portion 10 of the fitting groove 8 is provided at the left end portion of the cap 6 with the notch portion 15 thereof.
And the cutout portion 26 of the left wall 20 of the spare blade case 2.

When using the spare blade cartridge 5 housed in the spare blade case 2 as described above, the blade holder receiving portion 12 of the holder 4 is cut out at the right end portion of the cap 6 as shown in FIG. The holder 4 is positioned on the replacement blade cartridge 5 when it is inserted into the fitting groove 8 of the replacement blade cartridge 5 through the portion 15 and the blade base receiving portion 12 comes into contact with the stopper portion 10 of the fitting groove 8. The grip handle 11 of the holder 4 projects upward from the opening 24 a of the storage chamber 24.

Then, with the replacement blade cartridge 5 with the cap 6 still attached to the holder 4, the replacement blade cartridge 5
When the cap 6 and the holder 6 are moved to the insertion / removal opening 25 side of the storage chamber 24, the locking projections 16 on both the locking edge portions 14 are moved to the storage chamber 2 by the elasticity of both the locking edge portions 14 of the cap 6.
4, the T-shaped razor 3 as shown in FIG. Such a T-type razor 3 is used with the cap 6 attached to and detached from the spare blade cartridge 5.

When the spare blade cartridge 5 becomes less sharp, as shown in FIG. 7, the spare blade cartridge 5 covered with the cap 6 is attached to the holder 4, and the spare blade cartridge 5 and the cap 6 are removed. As shown in FIG. 8, the right side portions of the spare blade cartridge 5 and the cap 6 are inserted into the storage chamber 24 of the spare blade case 2, and the left side portions thereof are replaced with the spare blade case 2. Project from 2. In this stored state, the stopper portion 10 of the fitting groove 8 of the replacement blade cartridge 5 corresponds to the cutout portion 15 at the left end portion of the cap 6, and the cutout portion 15 and the replacement blade case 2 at the right end portion of the cap 6. The insertion / removal opening 9 of the fitting groove 8 corresponds to the cutout portion 26 of the left wall 20 of FIG.

Then, as shown in FIG. 9, when the blade base receiving portion 12 of the holder 4 is moved to the insertion / removal opening 9 side of the fitting groove 8,
The blade holder 12 can pass through the notch 15 of the cap 6 and the notch 26 of the spare blade case 2 to come out of the fitting groove 8, and the holder 4 can be taken out of the spare blade case 2. In the spare blade cartridge 5 with the cap 6 left in the spare blade case 2 in this way, the notch portion 15 of the cap 6 is formed on the left side portion of the spare blade cartridge 5 and the cap 6 protruding from the spare blade case 2. Since it is closed inside by the stopper portion 10 of the fitting groove 8 of the spare blade cartridge 5, in this state as it is, the blade holder receiving portion 12 of the holder 4 is fitted even if it is applied to the notch portion 15 of the cap 6. It cannot be inserted into the groove 8. Therefore, the user can easily know that the spare blade cartridge 5 has been used, which is very convenient in use.

[0019]

Second Embodiment A second embodiment shown in FIGS. 10 to 13 is the bottom wall 1 of the storage chamber 24 of the spare blade case 2 in the first embodiment.
7 and the cap 6 for the storage chamber 24
The retaining structure of the attached spare blade cartridge 5 is changed. That is, a locking projection 27 is formed near the left wall 20 below both locking plate portions 22 of the storage chamber 24, and the bottom wall 17 is a cantilever plate spring.
On the other hand, the locking projections 16 as in the first embodiment are not formed on both locking edges 14 of the cap 6. Then, when the replacement blade cartridge 5 with the cap 6 is inserted into the storage chamber 24, the crowned portion 1 of the cap 6 is inside the notch 15 of the cap 6 corresponding to the notch 26 of the left wall 20.
On the inner surface of 3, the locking projections 27 of both locking plate portions 22 of the storage chamber 24 are provided.
Is involved. Spare blade cartridge 5 with this cap 6
The bottom wall 17 of the storage chamber 24 is inserted into and removed from the storage chamber 24.
Due to the elasticity of the
Is disengaged from. Other configurations and operations are similar to those of the first embodiment, so please refer to the description.

In both of the above embodiments, the replacement blade cartridge 5 covered with the cap 6 is housed in the replacement blade case 2 as a razor head, but the cap 6 may be omitted and only the replacement blade cartridge 5 may be housed. . Although a part of the replacement blade cartridge 5 with the cap 6 is stored in the storage chamber 24 of the replacement blade case 2 in both of the above-described embodiments, the whole of the replacement blade cartridge 5 may be stored.

[0021]

According to the razor unit 1 of the present invention, even if an attempt is made to insert the blade rest portion 12 of the holder 4 into the fitting groove 8 of the razor head 5 or 6, the stopper portion 10 prevents the blade holder portion 12 from being used. The person can easily know that the razor heads 5 and 6 have been used, which is very convenient in use.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing a T-type razor of a razor unit according to a first embodiment.

FIG. 2 is a perspective view showing a spare blade case of the razor unit.

FIG. 3 is a partially cutaway plan view showing a state in which a replacement blade cartridge with a cap removed from a holder in the razor unit of the first embodiment is housed in a replacement blade case.

FIG. 4 is an enlarged cross-sectional view of the AA line of FIG.

5 is an enlarged sectional view taken along line BB of FIG.

6 is a partially cutaway plan view showing a state in which the holder is attached to the spare blade cartridge from the state shown in FIG.

FIG. 7 is a partially cutaway plan view showing a state in which the used replacement blade cartridge with a cap is being returned to the replacement blade case while being attached to the holder.

FIG. 8 is a partially cutaway plan view showing a state where the replacement blade cartridge with a cap is stored in the replacement blade case while being attached to the holder from the state shown in FIG.

9 is a partially cutaway plan view showing a state in which only the holder is removed from the spare blade cartridge from the state shown in FIG.

FIG. 10 is a partially cutaway plan view showing a state in which a replacement blade cartridge with a cap is removed from a holder and stored in a replacement blade case in the razor unit according to the second embodiment.

FIG. 11 is an enlarged cross-sectional view of the CC line of FIG.

12 is an enlarged cross-sectional view taken along the line DD of FIG.

FIG. 13 is a perspective view showing a spare blade case according to a second embodiment.

[Explanation of symbols]

1 razor unit, 2 spare blade cases, 3 T type razor, 4
Holder, 5 spare blade cartridges, 6 caps, 8
Fitting groove, 9 insertion / removal opening, 10 stopper portion, 12 blade rest receiving portion, 24 storage chamber, 24a opening, 25 insertion / removal opening, 26
Notch

Claims (3)

[Scope of utility model registration request] 1. A holder (4) provided with a blade rest (12), a razor head (5, 6) detachable from the blade rest (12), and the razor head (5, 6). ), A razor unit comprising a spare blade case (2) provided with a storage chamber (24) for storing the razor head (5, 6).
Is provided with a fitting groove (8) into which the blade receiving part (12) of the holder (4) is inserted and removed, and an insertion and removal opening (9) is formed at one end of the fitting groove (8). A stopper portion (10) is formed at the other end of the fitting groove (8), and the spare blade case (2) is formed.
An opening (24a) through which the holder (4) can project and move when the razor head (5, 6) attached to the holder (4) is stored is provided on the storage chamber (24) of the storage chamber (24). The razor head (5, 6) is inserted and removed at one end of the
5) and a notch (26) from which the blade holder (12) of the holder (4) is taken out at the other end of the storage chamber (24). . 2. A razor unit according to claim 1, characterized in that the razor head comprises a spare blade cartridge (5) and a cap (6) fitted on the spare blade cartridge (5). 3. The razor head (5, 6) according to claim 1 or 2, wherein a part of the fitting groove (8) on the insertion / removal opening (9) side or a part of the stopper part (10) side. A razor unit characterized by being housed in the storage chamber (24) of the spare blade case (2) and protruding from the storage chamber (24) at the other portions.