JP3491285B2 - Electric razor with trimmer - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric shaver provided with a trimmer blade, and more particularly, a trimmer block having a trimmer blade provided at an upper end thereof is movable up and down between a use position and a retracted position. It is related to an attached electric razor.

[0002]

2. Description of the Related Art When attaching a trimmer blade to an electric razor having a main blade composed of an outer blade and an inner blade, a trimmer block having a trimmer blade at its upper end is moved up and down between a use position and a retracted position. Some are provided so that they can move freely. On the other hand, in order to improve the skin contact of the main blade, there is a main blade that can be floated up and down, but if the main blade of the electric razor equipped with the trimmer block is floatable,
The following problems arise.

[0003]

That is, the vertical movement of the trimmer block is for switching between the retracted position and the use position, and when the trimmer block is moved up to the use position, the trimmer blade does not touch the skin. It does not float on contact. For this reason, even if you try to shave your beard by applying the main blade and the trimmer blade to the skin at the same time, the main blade floats but the trimmer blade does not float. It is very difficult to get in touch with.

The present invention has been made in view of the above points, and an object thereof is to make it possible to float a trimmer blade whose position can be changed by vertical movement, It is to provide an electric razor with a trimmer that can achieve a good shaving situation.

[0005]

SUMMARY OF THE INVENTION In the present invention, however, one end of the main body, on which the main blade consisting of the outer blade and the inner blade is arranged, is the upper end, the other end is the lower end, and the gap between the upper and lower ends. The outer trimmer block is an electric razor in which a trimmer block is vertically slidably arranged on a side surface of a main body and a trimmer blade is arranged at an upper end of the trimmer block when the outer surface of the portion is a side surface, and the trimmer block slides vertically. The main body is provided with vertical guides provided with click protrusions engaged with elastic legs provided at a plurality of upper and lower positions, and the plurality of clicks for performing click positioning at a plurality of positions when the trimmer block is moved up and down. Of the protrusions ,
Click protrusion that positions the trimmer blade at a height where it can contact the skin at the same time as the main blade, the click protrusion that positions the trimmer blade at a higher position than the main blade and the trimmer blade that is positioned at a lower position than the main blade It is characterized in that the upper inclined surface is formed as a gentle inclined surface as compared with the click protrusion to support the float of the trimmer blade.

[0006]

According to the present invention, the trimmer blade can be floated by moving the elastic leg of the trimmer block along the gently inclined surface of the guide.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the illustrated embodiments. In FIGS. 2 and 3, reference numeral 1 is a cylindrical main body having upper and lower ends opened, and a trimmer is provided on the front surface of the main body 1. The block 6 is arranged so as to be slidable up and down. A motor 13, storage batteries 14, 14 and a driver element 16 for receiving the rotation of the motor 13 via an eccentric shaft 15 and converting the rotation into reciprocating motion are mounted in the main body 1 whose lower end opening is closed by a bottom plate 10. An outer blade block 21 is attached to the upper end of the main body 1 via an outer blade frame 20. Further, the inner blades 22, 22 which are in sliding contact with the inner surface of the outer blade of the outer blade block 21 are mounted on the upper end of the driver element 16. 17 in FIG.
Is a trimmer drive rod attached to the driver element 16, 18 is a dustproof packing, and 19 is a metal fitting for fixing the dustproof packing 18.

As shown in FIGS. 5 and 6, the trimmer blade in the trimmer block 6 includes a fixed blade 600 and a movable blade which are arranged at the upper end of a trimmer handle 60 which is vertically slidable with respect to the main body 1. 601, movable blade 6
01 is pressed against the fixed blade 600, the fixed blade 600 is fixed to a protrusion 605 protruding from the upper end of the trimmer handle 60, and the movable blade 601 is engaged with the protrusion 605 to define the sliding direction. The spring 602 is attached to the trimmer handle 60 by locking both ends thereof in spring fixing grooves 606 on both upper ends of the trimmer handle 60.

A cover 63 is attached to the back side of the trimmer handle 60, and a trimmer driver 62 is axially supported in a space between the trimmer handle 60 and the cover 63 by a shaft 61 protruding from the back side. The trimmer driver 62 having the lower end engaging portion 620 projecting backward from the long hole 630 provided in the cover 63 and the upper end connected to the movable blade 601 has the above-mentioned structure when the trimmer handle 60 is moved upward. The engaging portion 620 at the lower end is engaged with the trimmer drive rod 17, and the movement of the driver 16 is transmitted to the movable blade 601.

A cover 63 that holds the upper surface of the spring 602 and hides the upper rear surface of the trimmer handle 60.
Is a hook 60 protruding from the back of the trimmer handle 60
7 is provided with a locking hole 632 for preventing the trimmer driver 62 from coming off the shaft 61, and a pair of elastic legs 631 and 631 are integrally projected from the lower end.

The trimmer block 6 thus constructed
By engaging the mounting hook 608 projecting from the rear surface of the trimmer handle 60 with the engaging grooves 30, 30 formed in the front surface of the main body 1 and running vertically as shown in FIG. It is attached to the main body 1. Then, the elastic legs 631 are engaged with both side surfaces of the guide protrusion 35 provided on the front surface of the main body 1 and having the vertically long and click clicks 36 at a plurality of upper and lower positions. When moving up and down, click positioning is performed at multiple positions.

Here, the guide ridge 35 in the illustrated example is provided with three click protrusions 36, and as shown in FIG. 7, the elastic leg 63 is provided below the click protrusion 36 at the lower end.
When the 1,631 contacts, that is, when the trimmer block 6 is lowered most, the trimmer blade is in the retracted state, and the driver 16
Although the reciprocating motion of the elastic blade 631 is not transmitted to the movable blade 602, the trimmer block 6 is moved upward to move the elastic leg 631 between the click protrusion 36 at the center and the click protrusion 36 at the upper end as shown in FIG. , 631 are engaged, the trimmer blade is positioned at substantially the same height as the main blade composed of the outer blade and the inner blade 22, and at this time, the reciprocating motion of the driver 16 is transmitted to the movable blade 602 of the trimmer blade. In order to be done, you can shave the beard by applying the main blade and the trimmer blade to the skin at the same time,
By further moving the trimmer block 6 upward, as shown in FIG. 9, the elastic legs 631 are provided above the click protrusion 36 at the upper end.
When the 631 is engaged, the trimmer blade projects above the main blade, so that only the trimmer blade can be used.

Here, of the three click projections 36 provided on the guide projection 35, the trimmer block 6 is located at a position where the main blade and the trimmer blade can be used simultaneously.
The upper surface side of the click protrusion 36 at the center where the click is positioned is an inclined surface 37 that is gentler than the other click protrusions 36.
Is formed by. For this reason, when the main blade and the trimmer blade are pressed against the skin at the same time, the elastic legs 631 and 631 of the trimmer block 6 are inclined as shown in FIG.
It spreads along 7 and descends, and as a result,
It is possible to float the trimmer blade up and down. Therefore, even if the main blade is floatable, it is possible to easily press the trimmer blade and the main blade against the skin at the same time. It can also be done when shaving.

In the embodiment shown in FIG. 10 (a), the guide protrusion 3
The inclined surface 37 in 5 is formed by the movable plate 39 urged by the spring 38, so that the float amount of the trimmer blade can be set large and the reaction force against the pressing against the skin can be increased. Figure 10 (b)
In the embodiment shown in (1), the inclined surface 37 is formed by the leaf spring 40 to increase the float amount and the reaction force with a small number of parts.

In the above embodiment, the guide ridge 35 is arranged in the center, and the elastic legs 631 are in contact with both side surfaces of the guide ridge 35. However, the elastic leg 631 is provided only on one side surface of the guide ridge 35. Needless to say, they may be in contact with each other, or the pair of guide protrusions 35 may be arranged on both sides so that the elastic legs 631 are located between them.

[0016]

In the present invention as described above, according to the present invention, among the plurality of click projections for performing click position at a plurality of positions during vertical movement of the trimmer block, trimers
The click protrusion that positions the blade at the same height as it can contact the skin at the same time as the main blade positions the trimmer blade at a position higher than the main blade.The click protrusion and the trimmer blade position at a position lower than the main blade. Compared to the click protrusion, the upper slope is formed with a gentle slope, so when the trimmer blade is set at approximately the same height as the main blade,
It is possible to obtain the float of the trimmer blade by moving the elastic legs of the trimmer block along the gently inclined surface of the guide.When the main blade floats, the main blade and the trimmer blade are applied to the skin at the same time. The shaving action can be easily obtained, and when the trimmer blade is set higher than the main blade, the trimmer blade does not float, so it is easy to use the trimmer blade alone. it can.

[Brief description of drawings]

1A and 1B show an embodiment, in which FIG. 1A is a front view and FIG. 1B is a partial front view.

FIG. 2 is an exploded perspective view of the above.

FIG. 3 is an exploded perspective view of the above.

FIG. 4 is a front view of the body body of the above.

5A and 5B show a trimmer block of the above, wherein FIG. 5A is a rear view and FIG. 5B is a sectional view.

FIG. 6 is an exploded perspective view of the above trimmer block.

FIG. 7 is a view showing a state in which the trimmer block is lowered, in which (a) is a front view and (b) is a partial front view.

FIG. 8 is a view showing a state in which the above trimmer block is floating, (a) is a front view, and (b) is a partial front view.

9A and 9B show a state in which the above trimmer block is located at the uppermost position, FIG. 9A is a front view, and FIG. 9B is a partial front view.

FIG. 10A is a front view of a guide ridge according to another embodiment, and FIG. 10B is a front view of a guide ridge according to still another embodiment.

[Explanation of symbols]

1 body 6 trimmer block 35 guide ridges 36 click protrusion 37 Inclined surface 631 elastic leg

Claims (3)

(57) [Claims] 1. A main body when one end of the main body on which a main blade composed of an outer blade and an inner blade is arranged is an upper end, the other end is a lower end, and the outer surface of a portion between the upper and lower ends is a side face. Is a electric razor in which a trimmer block is slidably arranged on the side surface of the trimmer block and a trimmer blade is arranged on the upper end of the trimmer block, and elastic legs provided on the trimmer block which slides vertically are engaged with the shaver. Of the plurality of click projections for performing click positioning at multiple positions during vertical movement of the trimmer block, the trimmer blade is the main blade Apply to skin at the same time
The click protrusions that are positioned at a position where the height can be adjusted are higher than the click protrusions that position the trimmer blade at a position higher than the main blade and the click protrusions that position the trimmer blade at a position lower than the main blade. An electric razor with a trimmer, characterized in that the inclined surface of is formed as a gentle inclined surface to support the float of the trimmer blade. 2. The gently sloping surface of the guide is
The electric shaver with a trimmer according to claim 1, wherein the electric shaver is formed of a movable body that is elastically biased by an elastic body. 3. The gently sloping surface of the guide is
The electric shaver with a trimmer according to claim 1, wherein the electric shaver is formed of a leaf spring.