JPS6243702B2 - - Google Patents

Description

[Detailed Description of the Invention] Technical Field The present invention relates to a safety razor having a beard dregs removal function in which a blade is clamped between a blade holder and a top plate via an intervening member, and in particular, This invention relates to a two-blade safety razor with a dust removal plate.

Conventional technology Conventionally, this type of safety razor was
There are those described in No. 139399 and Utility Model Application No. 185350 of 1983, and in the former, the intervening member is composed of a spacer and a dandruff removing plate, and in the latter, the entire intervening member is the dandruff removing plate. . All of these dregs removal plates are biased rearward, and by pushing them forward against this bias, it is possible to eliminate dregs between the cutting edges of the upper and lower blade bodies. However, with such a dandruff removal plate biasing structure, the pressing operation of the dandruff removal plate must be performed manually, and some kind of pressing operation portion must be specially formed.

Purpose The purpose of the present invention is to provide a beard dandruff remover that automatically moves forward to remove beard dregs when the blade is removed from the skin surface during or after shaving. To provide a safety razor which can make shaving very convenient by eliminating the need to remove dregs due to human operation by improving the biasing structure of the dregs removal part, and which makes a pressing operation part unnecessary. There is a particular thing.

Composition of the Invention In order to achieve this object, the present invention provides a safety razor having a beard dregs removal function, in which a blade is held between a blade base and a top plate via an intervening member below.
The intervening member is equipped with a dregs removing part that is movable back and forth between a forward position for pushing out dregs below the cutting edge and a retracted position rearward from the same position, and the dregs removing part is always An elastic portion is provided to bias it toward the forward position.

Embodiment A first embodiment of the present invention will be described below with reference to FIGS. 1 to 3. A replaceable blade cartridge 1 that is detachably attached to a holder (not shown) is as shown in FIG. Blade base 2, lower blade body 3, and spacer 4
(made of resin), an upper blade body 5, a top plate 6, and a beard removal plate 7 (made of aluminum), and a lower blade body 3, a spacer 4, and an upper blade body 5 are sequentially stacked on the blade base 2. is a caulking protrusion 6a protruding from the top plate 6.
It is clamped between the blade stand 2 and the top plate 6 with a . As shown in FIG. 2, the beard dwarf removal plate 7 has a substantially U-shape formed by a dandruff removal part 8 on the front side and side frame parts 9 on both left and right sides. The caulking protrusion 6
It is fixed with a. This spacer body 4
A cantilever-shaped plate spring portion 10 extends from the center of the rear edge of a to both left and right sides to form a gap 10a with respect to the spacer body 4a.
A locking protrusion 9a protruding inward from the rear end of both side frame parts 9 of the beard dwarf removal plate 7 connects the tip of the leaf spring part 10 and the spacer body 4.
a and is inserted into the gap 10a between them and held between them. In this unused state, both leaf spring parts 10 urge the dwarf removal plate 7 forward, so that the dwarf removal part 8 protrudes further forward than the cutting edge 5a of the upper blade body 5, as shown in FIG. A movement permissible space 11 is formed between the front edge of the spacer main body 4a and the whisker removal part 8, and a movement permissible space 11 is formed between both leaf spring parts 10 and the inside of the rear end of the top plate 6. A movement permissible space 12 is formed.

Now, when you press the replaceable blade cartridge 1 against the skin surface when shaving, the beard dregs removing part 8 is pushed backward against the bias of the leaf spring parts 10, as shown in FIG. You can shave while holding the position. During or after shaving, when the spare blade cartridge 1 is removed from the skin surface, the dregs removal section 8 returns to the forward position under the bias of the leaf spring sections 10, as shown in FIG. At this time, the hair dregs between the cutting edges 5a and 3a of the upper and lower blade bodies 5 and 3 can be pushed forward.

In the second embodiment shown in FIGS. 4 to 6,
The spacer 4 (made of aluminum) does not correspond to the double leaf spring parts 10 in the first embodiment, and has only the spacer body 4a, and the dandruff removal plate 7 (made of soft rubber) removes dregs. 8, both side frame parts 9, and the rear frame part 13 form a square frame shape, and the rear frame part 13 is connected to the rear edge of the spacer body 4a and the top plate 6.
There is nothing that corresponds to the movement permissible space 12 in the first embodiment, which is sandwiched between the inside of the rear end portion. The dwarf removal part 8 of the dwarf removal plate 7 is formed into a bow shape so that the central part thereof protrudes further forward than the cutting edge 5a of the upper blade body 5, and the dwarf removal part 8 itself is made to have elasticity. There is. In this way, the dandruff removing part 8, which is in the forward position when not in use, is pushed backward against its own elasticity, allowing shaving to be performed. Furthermore, when the replaceable blade card cartridge 1 is removed from the skin surface, it returns to the forward position by its own elasticity and can remove beard dandruff.

In the third embodiment shown in FIGS. 7 to 9,
A guard 14 is integrally connected to the dandruff removal section 8 in the first embodiment via the left and right connecting frame sections 15, and when the dandrage removal section 8 is in the forward position when not in use, this guard 14 is a movement permissible space 16 between the guard receiving part 2a at the front end of the blade base 2.
They are separated by having When shaving, this guard 14 is pushed and the guard receiving part 2
The dandruff removing section 8 moves back until it comes into contact with point a. Normally, when shaving, the skin surface is applied along the shaving tangent plane P connecting the guard 14 and the top plate 6, but in this embodiment, the guard 14 moves within a certain range in the front and back direction. The shaving tangent plane P changes depending on the position. Therefore, the shaving angles α and β of the upper and lower blade bodies 5 and 3 with respect to this shaving tangent plane P, the guard 14 and the cutting edge 3a of the lower blade body 3
The guard 14 is placed in a position where the geometrical settings such as the spacing L1, L2 between the cutting edges 5a, 3a of the upper and lower blade bodies 5, 3, and the amount of exposure of the cutting edges 3a, 5a from the shaving tangent plane P are appropriate. It can be stopped.

Note that the present invention can be configured as follows in addition to the embodiments described above.

(b) Each of the above-mentioned embodiments illustrated the two-blade safety shaving power, but it can also be applied to a single-blade safety razor, in which case there is no lower blade body 3 and only the blade body 5 and the blade base 2 are used. A similar spacer 4 and beard dwarf removal plate 7 are interposed between the two.

(b) In the first and third embodiments, the spacer 4 is provided with a leaf spring portion 10 as an elastic portion, and the leaf spring portion 10 is used to urge the beard removal plate 7 to the forward position. In addition, in the second embodiment, the dandruff removal part 8 of the dandruff removal plate 7 itself has elasticity, but the first and third embodiments are modified by adding a plate spring part to the dandrage removal plate 7. is formed, and this plate spring portion is locked to the spacer 4, the blade base 2, and the top plate 6.

(C) In the first and third embodiments, both leaf spring portions 10 of the spacer 4 and the dwarf removal plate 7
The both side frame portions 9 of the frame portions 9 may be connected with pins, or the spacer 4 and the dandruff removal plate 7 may be integrally formed to form both leaf spring portions 10 and both side frame portions 9 continuously.
The leaf spring portion 10 of the spacer 4 is attached to the spacer body 4a.
It may be formed at the front end of the

(d) In each of the embodiments described above, the replaceable blade cartridge 1 is shown as being removable from the holder, but the head portion corresponding to the replaceable blade cartridge 1 is formed integrally with the holder.

(E) In each of the embodiments described above, the spacer 4 and the dandruff removal plate 7 constituted the intervening member, but as in the safety razor described in Utility Model Application No. 185350/1984, only the dregs removal plate 7 is used. The spacer 4 is eliminated by forming an intervening member.

Effects According to the present invention described in detail above, when the blade body 5 is separated from the skin surface during or after shaving, the beard dregs removal section 8 automatically moves forward to remove beard dregs. Therefore, shaving can be made very convenient by eliminating the need for removing beard dregs by manual operation, and furthermore, the structure can be simplified by eliminating the pressing operation part.

[Brief explanation of the drawing]

Figures 1 to 3 show the first embodiment, and Figures 4 to 6 show the first embodiment.
The figure shows the second embodiment, and FIGS. 7 to 9 show the third embodiment. Figures 5 and 8 are the first
The sectional view taken along the - line in the figure, the sectional view taken along the Y-Y line in FIG. 4, the sectional view taken along the Z-Z line in FIG. 7, and the sectional views shown in FIGS. It is a diagram. Spare blade cartridge...1, Blade stand...2, Guard receiver...2a, Lower blade body...3, Blade tip...3a,
Spacer...4, Spacer body...4a, Upper blade body...5, Cutting edge...5a, Top plate...6, Hair removal plate...7, Hair removal section...8, Side frame...
9, Locking protrusion...9a, Leaf spring part...10, Gap...10a, Allowable movement space...11, 12, Rear frame...13, Guard...14, Connection frame...1
5. Allowable movement space... 16. Shaving tangent plane...
P.

Claims (1)

[Scope of Claims] 1. A safety razor having a beard dregs removal function in which a blade 5 is clamped between a blade holder 2 and a top plate 6 below via intervening members 4 and 7, The mounting members 4 and 7 are equipped with a dandruff removal section 8 that is movable in the front and back direction between a forward position for pushing out dregs below the cutting edge 5a and a retracted position rearward from the same position. A safety razor having a dandruff removing function, characterized in that elastic parts 10 and 8 are provided so as to always urge the razor to the forward position. 2. The intervening member consists of a spacer 4 which is fixed together with the blade 5 between the blade base 2 and the top plate 6, and a dregs removal plate 7 having a dregs removal part 8. A safety razor having a beard dregs removal function as described in Section 1.