JP5513910B2 - Swing razor - Google Patents

Description

  The present invention relates to a swinging razor in which a razor head having a blade body is rotatably supported with respect to a head of a holder.

  Conventionally, in Patent Document 1 described below, the replaceable blade cartridge corresponding to the razor head is unlocked that is swingably supported with respect to the head of the holder by operating a lock provided on the head of the holder. It can take a state and a locked state fixed so as not to swing. In this locked state, the swinging of the razor head can be suppressed, so that the swinging function can be prevented from being deteriorated and the feeling of use during use can be maintained in a good state.

Japanese Patent No. 3096674

In Patent Document 1, it is necessary to provide a lock portion on the head of the holder in addition to parts such as an arm and a pusher.
In the swing type razor, it is necessary not only to maintain the feeling of use during use by suppressing the swing of the razor head with respect to the holder when not in use, but also to provide a lock portion on the head of the holder The object of the present invention is to simplify the construction of a razor body having a razor head and a holder.

The present invention will be described with reference to the reference numerals of the drawings (FIGS. 1 to 6) of the embodiments described later.
The invention according to claim 1 is a swing-type razor in which a razor head 2 having a blade body 5 is rotatably supported with respect to a head 6 of a holder 3, and an engaging portion 15 provided on the razor head 2 and the holder 3 is relatively moved when the razor head 2 is swung, and the engagement portion 11 of the holder 3 has elasticity to return the razor head 2 to a stationary position. The swing restraining portion 17 provided on the cap 4 that can be attached to and detached from the razor head 2 over the blade body 5 abuts on the engaging portion 11 of the holder 3 when the razor head 2 is swung. The relative movement accompanying the deformation of the engaging portion 11 is suppressed, and the rotation of the razor head 2 is suppressed.
The invention of claim 1 has the following effects.
(A) Since the swing restraining portion 17 is provided on the cap 4 , not only the swinging function is prevented from being deteriorated and the use feeling during use is maintained in a good state, but also the lock portion on the head 6 of the holder 3. The razor body 1 including the head 6 of the holder 3 can be simplified.

(B) A configuration in which the swing restraining part 17 of the cap 4 acts on the restraining receiving part on the razor body 1 side to restrain the relative movement between the engaging part 15 of the razor head 2 and the engaging part 11 of the holder 3. Therefore, the configuration of the suppression receiving portion can be simplified.

(C) Since the engaging portion 11 having elasticity for returning the razor head 2 to the stationary position P when the razor head 2 is swung is used as the suppression receiving portion on the razor body 1 side, the elasticity of the engaging portion 11 It is possible not only to maintain the feeling of use during use in a good state, but also to simplify the configuration of the suppression receiving portion without increasing the number of parts.

(D) Since the head swing restraining portion 17 is provided by using the cap 4 that can be attached to and detached from the razor head 2 by covering the blade body 5 of the razor head 2, the configuration of the head swing razor can be achieved without increasing the number of parts. It can be done easily.

(E) When the razor head 2 is swung, the swing restraining portion 17 of the cap 4 comes into contact with the engaging portion 11 of the holder 3 having elasticity to return the razor head 2 to the rest position P. Since it was set as the suppression receiving part, the structure of the suppression receiving part can be simplified.

In the invention of claim 2 based on the invention of claim 1, the engaging portion 15 of the razor head 2 is provided on the back side of the razor head 2 where the blade body 5 is exposed, and the engaging portion of the holder 3 11 is provided on the head 6 of the holder 3 facing the back side of the razor head 2, and the swinging suppression portion of the cap 4 is an abutting plate portion 17 projecting toward the engaging portion 11 of the holder 3. In invention of Claim 2, the structure of the suppression receiving part by the side of the razor main body 1 and the swing suppression part 17 of the cap 4 can be simplified.

In the invention of claim 3 based on the invention of claim 2 , the abutting plate part 17 which is a swing restraining part of the cap 4 is the back side of the razor head 2 when the cap 4 is put on the razor head 2. It is along the back surface part 13 provided in. In the invention of claim 3 , when the cap 4 is put on the razor head 2, the cap 4 can be smoothly put on the razor head 2 without the contact plate portion 17 of the cap 4 hitting the back surface of the razor head 2. Further, when the abutting plate portion 17 abuts on the engaging portion 11 of the holder 3, the abutting plate portion 17 abuts on the back surface portion 13, and the rotation of the razor head 2 can be suppressed.

In the cap 4 according to the invention of the fourth aspect based on the invention of the third aspect , the cap 4 is placed on both sides of the abutment plate portion 17 on the back side of the razor head 2 when the cap 4 is put on the razor head 2. A locking claw portion 18 to be stopped is provided. In the invention of claim 4, the cap 4 is locked to the razor head 2 with both locking claws 18 with stability, and the contact plate 17 between the both locking claws 18 is engaged with the engaging portion 11 of the holder 3. It can be made to contact smoothly.

In the invention of claim 5 based on claim 2 or claim 3 or claim 4 , the cap 4 is inserted into and removed from the razor head 2 on the side facing the head 6 of the holder 3. The abutment plate portion 17 which is a swing restraining portion of the cap 4 is provided on the opposite side of the front side of the blade body 5 of the razor head 2 from the insertion / removal port 4e. In the invention of claim 5 , when the cap 4 is inserted into and removed from the razor head 2 through the insertion / removal opening 4 e, the contact plate portion 17 can be smoothly brought into and out of engagement with the engaging portion 11 of the holder 3.
In the invention of claim 6 premised on the invention of any one of claims 1 to 5, the engaging portion of the holder 3 is a cantilevered elastic plate portion 11. In invention of Claim 6, the structure of the suppression receiving part by the side of the razor main body 1 can be simplified.

Next, technical ideas other than the claims will be described with reference to the reference numerals in the drawings of the embodiments.
In the seventh invention that assumes inventions of any one of claims one of claims 1 to 6, both sides facing RF of the razor head 2 is swinging direction R, the direction RB of one side of the RB Can only pivot from the rest position P. In the seventh invention , the razor head 2 can be swung only in one direction RB from the rest position P with respect to the head 6 of the holder 3.

In the invention according to any one of claims 1 to 6 or the eighth invention based on the seventh invention , the swing suppression portion 17 of the cap 4 is a stationary position P of the razor head 2. The rotation of the razor head 2 is suppressed. In the eighth invention , the razor head 2 can be held at the stationary position P with respect to the head 6 of the holder 3.

In the invention of any one of claims 1 to 6 , or the ninth invention based on the seventh or eighth invention , the swing suppressing portion 17 of the cap 4 is elastic. The rotation of the razor head 2 is suppressed by contacting the engaging portion 11 of the holder 3 having In 9th invention , since the engaging part 11 of the holder 3 which has elasticity was made into the suppression receiving part by the side of the razor main body 2, the structure of a suppression receiving part can be simplified.

  In the swing-type razor, the present invention not only suppresses the swing of the razor head 2 relative to the holder 3 when not in use but maintains the feeling of use, but also eliminates the need to provide a lock portion on the head 6 of the holder 3. The configuration of the razor body 1 having the razor head 2 and the holder 3 can be simplified.

(A) is a perspective view which shows the belly side of a holder in the swing type razor concerning this embodiment, (b) is a perspective view which similarly shows the back side of a holder, (c) is the head of a holder similarly It is a perspective view which shows the ventral side. It is a fragmentary perspective view which shows the swing-type razor of FIG.1 (b). It is a fragmentary perspective view which shows the state which removed the cap from the razor head in the swing type razor of FIG.1 (b). It is a fragmentary perspective view which shows the state which removed the cap from the razor head in the swing type razor of Fig.1 (a). It is a fragmentary sectional view which shows the head side of a holder in the swing type razor of FIG. (A) is a fragmentary sectional view which shows the razor head in a stationary position by the head side of a holder in the swing type razor of FIG. 3, (b) shows the razor head which is also in a tilting position by swinging. It is a fragmentary sectional view.

Hereinafter, a swing-type razor according to an embodiment of the present invention will be described with reference to the drawings.
The swing razor shown in FIGS. 1A and 1B has a cap 4 which can be attached to and detached from the razor head 2 as shown in FIGS. 3 and 4 in addition to the razor body 1 having the razor head 2 and the holder 3. Attached parts). A blade body 5 is incorporated in the razor head 2. The blade body 5 is exposed on the front side of the razor head 2. The cap 4 is put on the blade body 5 on the front side of the razor head 2. The head 6 of the holder 3 faces the back side of the razor head 2 with respect to the front side.

  Support arm portions 7 are formed on the front end portion of the head 6 of the holder 3 on both sides in the left-right direction along the edge of the blade body 5. On the back side of the razor head 2, there is formed a rotation fulcrum portion 8 on which the left and right support arm portions 7 are supported.

  On the head 6 of the holder 3, both left and right wall portions 9 are formed between the left and right support arm portions 7, and a notch portion 10 is formed between the left and right both wall portions 9. Beam-shaped elastic plate portions 11 (engaging portions as suppression receiving portions) are formed along the left and right wall portions 9. A contact portion 12 formed at the free end of the elastic plate portion 11 faces the back side of the razor head 2.

  On the back side of the razor head 2, left and right back wall portions 13 (back surface portions) facing the end portions 9a of both the left and right wall portions 9 are formed, and a notch portion 14 is formed between the left and right back wall portions 13. In addition, a cantilever-shaped pressing plate portion 15 (engagement portion as a suppression receiving portion) is protruded from the cutout portion 14 toward the elastic plate portion 11 on the holder 3 side. As shown in FIG. 5, the abutting portion 16 formed at the free end of the pressing plate portion 15 faces the abutting portion 12 of the elastic plate portion 11, and the abutting portion 12 is pressed as shown in FIG. A protruding portion 12a with which the contact portion 16 of the plate portion 15 contacts is formed.

  When the cap 4 is put on the razor head 2 as shown in FIG. 2, the front wall portion 4a facing the front side of the razor head 2, the both side wall portions 4b facing the left and right sides of the razor head 2, and the razor head 2 and a back wall portion 4d facing the back side of the razor head 2, and a part of the back side of the razor head 2 above the back wall portion 4d as shown in FIG. And an insertion / removal port 4e whose upper side is exposed. A contact plate portion 17 (swing swing suppressing portion) protrudes upward at the center in the left-right direction on the back wall portion 4d, and locking claws 18 are provided on both the left and right sides of the contact plate portion 17 therebetween. Protruding upward, the contact plate portion 17 and the locking claw portions 18 are aligned with each other in the same plane. When the cap 4 is put on the razor head 2 through the insertion / removal port 4e, the locking claw portion 18 is detachably engaged with the locking recess 19 formed on the back side of the razor head 2 on both the left and right sides of the back wall portion 13. The contact plate 17 faces the back surfaces of the left and right back wall portions 13 and contacts or follows a slight gap. As shown in FIG. 1C, the contact plate portion 17 is formed with a guide recess 17 a between the guide projections 17 b so as to face the contact portion 12 of the elastic plate portion 11. The protruding ridge 12b is engaged with the guide recess 17a.

  Incidentally, the cap 4 is a transparent body formed of polypropylene resin, and the resin portions of the razor head 2 and the head 6 of the holder 3 are formed of ABS resin. In the cap 4, the lateral width is set to about 44 mm, the vertical width is set to about 16 mm, and the thickness between the front and back sides is set to about 7 mm.

  6A, when the cap 4 is detached from the razor head 2, the contact portion 12 of the elastic plate portion 11 on the holder 3 side is the contact portion of the pressing plate portion 15 on the razor head 2 side. In order to push 16 upward, the razor head 2 rotates around the pivot point 8 shown in FIG. 3 to the front side RF of the front and rear side RF, RB in the swing direction R and stops at the stationary position P. ing.

  As shown in FIG. 6 (b), when the razor head 2 is pressed toward the rear side RB during use, the contact portion 16 of the pressing plate portion 15 uses the contact portion 12 of the elastic plate portion 11 as its elastic force. Therefore, the elastic plate portion 11 is elastically deformed while the abutting portions 12 and 16 are moved relative to each other, and the razor head 2 is rotated by an arbitrary angle from the stationary position P to the rearward direction RB. Tilt position Q. When the upper wall portion 8a of the left and right turning fulcrum portions 8 comes into contact with the left and right support arm portions 7 or when the left and right back wall portions 13 come into contact with the end portions 9a of the left and right wall portions 9, the razor head 2 Is prevented from rotating. When the pressure on the razor head 2 is released at the time of use, the razor head 2 rotates to the front side RF by the elastic force of the elastic plate portion 11 and returns from the tilt position Q to the stationary position P.

  As shown in FIG. 5, when the cap 4 is put on the razor head 2 from the insertion / removal port 4 e at the stationary position P, the protrusion 12 b of the contact portion 12 of the elastic plate portion 11 becomes the guide recess 17 a of the contact plate portion 17. Since the razor head 2 is pressed toward the rear side RB, the relative movement between the contact portion 16 of the pressing plate portion 15 and the contact portion 12 of the elastic plate portion 11 is suppressed. Thus, elastic deformation of the elastic plate portion 11 is suppressed. Therefore, the swing motion accompanying the rotation of the razor head 2 can be suppressed. Further, with the cap 4 placed on the razor head 2 as described above, even if the rotational force by external force is applied to the razor head 2, the left and right back wall portions 13 of the razor head 2 abut against the abutment plate portion 17. The deformation of the contact plate 17 pushed by the elastic plate 11 can be suppressed, and the rotation of the razor head 2 can be further suppressed.

This embodiment has the following effects.
(1) Since the swing suppressing action by the cap 4 works not only during the distribution stage from the manufacture of the razor but also during storage, the elastic plate part 11 can maintain good elasticity at the beginning of manufacture. Accordingly, it is possible to maintain a feeling of use during use in a good state.

  (2) Since the swing suppressing portion for suppressing the swing of the razor head 2 is provided in the contact plate portion 17 of the cap 4 other than the razor body 1, the razor including the head 6 of the holder 3 without increasing the number of parts. The configuration of the main body 1 can be simplified.

  (3) When the razor head 2 swings, the elastic deformation of the elastic plate portion 11 of the holder 3 having elasticity to return the razor head 2 to the rest position P is suppressed by the contact plate portion 17 of the cap 4 and its elasticity. Since the relative movement between the plate portion 11 and the pressing plate portion 15 of the razor head 2 is suppressed, the configuration of the holder 3 and the suppression receiving portion of the razor head 2 can be simplified without increasing the number of parts.

For example, the following embodiment may be configured as follows .

The rotation trajectory of the razor head 2 with respect to the head 6 of the holder 3, for example, the neck that can be inserted into and removed from the end 9 a of both walls 9 in the head 6 of the holder 3 and the back wall 13 in the razor head 2. A swing suppression unit may be provided on the cap 4 .

  -Instead of the elastic plate part 11 in the head 6 of the holder 3, a compression coil spring that can press the razor head 2 is adopted, and the deformation of the compression coil spring is suppressed to suppress the rotation of the razor head 2. It may be.

  A gap is provided between the elastic plate portion 11 in the head 6 of the holder 3 and the abutting plate portion 17 of the cap 4 at the stationary position P of the razor head 2, and the razor head 2 is within the gap from the stationary position P. The rotation of the razor head 2 may be suppressed at a predetermined tilting position Q slightly rotated to the rearward direction RB.

The swinging movement of the razor head 2 may be suppressed in a state where the elastic plate portion 11 in the head portion 6 of the holder 3 is pressed slightly by the contact plate portion 17 of the cap 4 and slightly bent.
A cap is inserted into the razor head 2 from the upper side of the razor head 2, one of the left and right sides, and the front side, in addition to the lower side of the razor head 2, which is the deformation direction side of the elastic plate portion 11 in the head 6 of the holder 3. It may be possible to remove it.

The contact plate portion 17 of the cap 4 may be brought into contact with a portion other than the contact portion 12 at the free end of the elastic plate portion 11 in the head 6 of the holder 3.
-The cap may be connected to the razor head or the holder by a string or a chain without separating the cap from the razor head or the holder.

-The cap may be separated from the razor head so that it can be detachably attached to the holder.
The cap may be supported so as to be rotatable or slidable with respect to the holder so that the razor head can be swung or not.

  The guide protrusions 17b and the guide recesses 17a between the guide protrusions 17b in the contact plate portion 17 are omitted and formed flat, and the protrusion 12b of the contact portion 12 of the elastic plate portion 11 contacts the flat portion. You may let them.

  DESCRIPTION OF SYMBOLS 1 ... Razor main body, 2 ... Razor head, 3 ... Holder, 4 ... Cap (attachment part), 5 ... Blade body, 6 ... Head part of a holder, 11 ... Elastic board part (engagement part) of a holder, 15 ... Razor Head pressing plate portion (engaging portion), 17 ... abutting plate portion (swing swing suppressing portion), P ... stationary position of razor head.

Claims (6)

In a swing-type razor in which a razor head having a blade body is supported so as to be rotatable with respect to the head of the holder, the engaging portion provided in the razor head and the engaging portion provided in the holder are swung by the razor head. The swaying restraint provided on the cap that can be attached to and detached from the razor head by covering the blade body of the razor head with the elasticity of returning the razor head to the rest position. The swinging of the razor head is characterized by suppressing the rotation of the razor head by abutting against the engaging portion of the holder and suppressing the relative movement accompanying the deformation of the engaging portion of the holder when the razor head is swung. Razor. The engaging portion of the razor head is provided on the back side of the razor head from which the blade body is exposed, and the engaging portion of the holder is provided on the head of the holder facing the back side of the razor head. The swinging razor according to claim 1, wherein the suppressing portion is a contact plate portion protruding toward the engaging portion of the holder. 3. The swing type according to claim 2, wherein the abutting plate portion that is a swing suppression portion of the cap is along a back surface portion provided on the back side of the razor head when the cap is put on the razor head. razor. 4. The swinging type of claim 3, wherein a locking claw portion is provided on both sides of the abutting plate portion to be locked to the back side of the razor head when the cap is put on the razor head. razor. The cap has an insertion / removal opening that is inserted into and removed from the razor head on the side facing the head of the holder, and the abutment plate portion that is a swing restraining portion of the cap is the back side of the front side that covers the blade body of the razor head The swing-type razor according to claim 2, 3 or 4, wherein the razor head is provided on the opposite side of the insertion / removal port with respect to the razor head. The swinging razor according to any one of claims 1 to 5, wherein the engaging portion of the holder is a cantilevered elastic plate portion.

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