JP3056761B2 - Hair cutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial applications]

The present invention relates to a hair cutter, and more particularly to a hair cutter configured to cut only the tip of hair.

[Prior art]

Hair clippers are commonly used as hair clippers, but if you use this type incorrectly, the hair will be uneven or the cut length will vary. The cut cannot be finished beautifully. On the other hand, a hair cutter of the type shown in Japanese Patent Application No. 63-32296, that is, a circular or dome-shaped outer blade having a large number of blade holes, and a rotation about a rotation axis passing through the center of the outer blade. And an inner blade that slides on the inner surface of the outer blade to form a blade, and includes a comb member disposed along the outer blade surface for raising the hair and introducing the hair into the blade hole. With a hair cutter, only the tip of the hair is cut, so that there is almost no risk of steps or variations in the cut length, and therefore the hair can be cut beautifully without skill.

[Problems to be solved by the invention]

However, in the above-described hair cutter, only half of the outer blade formed in a circular or dome shape contributes to the introduction of hair, and in consideration of the rotation direction of the inner blade, actual cutting of the hair takes the entire area of the outer blade. Only about 1/4 of them are done, and it takes a long time to cut the required amount of hair,
Therefore, the influence of wear of the outer cutter and the inner cutter is also increased. The present invention has been made in view of such a point, and an object of the present invention is to provide a small-sized and easy-to-use hair cutter which can easily and efficiently cut hair tips.

[Means for Solving the Problems]

Thus, the present invention provides a rotary inner blade formed by arranging a plurality of blades radially around a rotation axis,
An arc-shaped blade having an outer blade having a number of blade holes and being curved along the inner blade is disposed at one end of the main body,
At the other end of the main body, which is an arc-shaped grip part for holding by hand, circuit parts such as batteries are stored, and the end where the circuit parts are stored is a thickened bulging part, and the main body is A motor and a dust box for storing shavings are arranged in the middle of the comb, a comb member is slidably arranged on one side of the main body, and a slide switch handle is arranged on the other side of the main body. The second feature is that the main body has a main feature, and the main body is provided with a blade on its side surface so as to be able to be turned upside down. According to the present invention, a circuit component such as a battery is housed on the other end side of the main body serving as an arc-shaped grip portion for holding by hand, and the end where the circuit component is housed has a thickness. When the hair is cut by a hair cutter, the bulging portion becomes thicker, a comb member is slidably disposed on one side of the main body, and a slide switch handle is disposed on the other side of the main body. The swelling portion side of the main body is put on the palm, and for example, the thumb is attached to the switch handle, the other finger is attached to the comb member, and the switch handle is slid in this state to rotate the inner blade of the blade block. The hair cutter can be driven, and the hair cutter does not rattle in the palm of the hand without firmly squeezing the hair cutter in the palm and applying force. The comb piece of the member is moved like combing the hair, and the captured hair can be raised and the hair tips can be introduced into the outer blade and the inner blade, making it easy to use and good haircut Can be performed. According to the second feature, it is easy to attach and detach the blade to and from the outlet. [Embodiment] The present invention will be described in detail below with reference to an embodiment shown in the drawings. As shown in FIGS. 4 to 7, this hair cutter has a thin rectangular parallelepiped shape and has a round bottom and a slightly thicker bottom. Bulge
It is formed of a main body 1 on which a body 10 is formed, a blade block 2 detachably mounted on the upper part of the main body, and a comb member 3 arranged on one surface of the main body 1. A sliding switch handle 11 is mounted on the surface opposite to the surface on which the comb member 3 is provided, and the swelling portion 10
The main body 1 having a blade block 4 provided with a pair of blades 41, 41 which can be turned upside down on one side is formed by a combination of front and rear housings 1a, 1b.
As shown in the figure, circuit components such as a power transformer 12 and a storage battery 13 are arranged in a bulging portion 10 which is a lower portion thereof, and a motor 4 and a fan 45 which is rotationally driven by the motor 4 are arranged in a central portion in the vertical direction. A reduction gear train is provided from the central portion near one side to the upper portion, and the reduction gear train is provided with a gear 46 attached to the output shaft of the motor 4 and an intermediate gear meshing with the gear 46. The gear 47 is formed of a drive gear 48 that meshes with the intermediate gear 47. In the figure49
Is a supporting substrate that supports the intermediate gear 47 and the driving gear 48. Here, as the motor 4, a motor having an output shaft protruding at both ends is used, and a fan 45 is provided on one side and a gear 46 is provided on the other side.
Is installed. The fan 45 is located at the center in the up-down direction and the center in the left-right direction of the main body 1, and the remaining part of the center of the main body 1 in the up-down direction is a mounting portion for the dust box 7. The dust box 7 which is detachable from the side of the main body 1 has a dust cover 70 detachably mounted on the upper surface thereof, and a filter 71 on the opening surface on the fan 45 side.
The click projection 72 provided on the bottom surface is engaged with the click projection 14 formed on the bottom surface of the dust box 7 mounting portion of the main body 1 to prevent accidental dropping. The dust cover 70 has a cylindrical opening projecting into the dust box 7.
77 are provided. The blade block 40 is provided with a concave portion in which fingers can be put on both sides of the blades 41, 41 when the blades 41, 41 are lowered. You can do it. A blade block 2 detachably mounted in a notch formed in an upper part of the main body 1 includes an outer blade frame 20 and an outer blade frame 20.
An outer blade 21 held by 20, a rotary inner blade 22,
The support frame 23 is formed. The inner blade 22 here is provided between the rotating shaft 24 and the flanges at both ends of the rotating shaft 24 and a plurality of blades 25 radially arranged, and biases both ends of each blade 25 toward the outer peripheral direction. And a spring. Then, both ends of the rotation shaft 24 are supported by bearing plates at both ends of the support frame 23 and are rotatable. On the other hand, the outer cutter 21 is made of a thin metal plate in which a large number of blade holes are formed over substantially the entire area, and is attached along the inner surface of the outer cutter frame 20, and partially extends from the opening 20a in the outer cutter frame 20. Only the blade holes are exposed to the outside as a band-shaped blade hole row. The blade block 2 thus formed is an outer blade frame.
The projections 20d, 20d formed on the main body 1 are slidably engaged with the slide grooves 16 provided on the main body 1, and are attached to the main body 1.
b is connected to a spline shaft hole formed integrally with the drive gear 48, and the inner blade 22 is rotated by the motor 4. The opening 20a of the outer cutter frame 20 is long in the direction parallel to the rotation axis 24 of the inner cutter 22, and is positioned forward of the inner cutter 22 in the rotation direction indicated by an arrow in FIG. . Now, on the surface of the main body 1 that is covered when the blade block 2 is mounted, as is apparent from FIGS. 1 and 2, there is a slot 23e formed in the support frame 23 of the blade block 2. A continuous passage 17 is open. The passage 17 is inclined obliquely in the thickness direction of the main body 1 and has the other end connected to the opening 77 of the dust box 7. As shown in FIG. 3, the passage 17 has a cross-sectional area narrowed toward the dust box 7 by an inclined wall 18 integrated with the main body 1. As shown in FIG. 12, the comb member 3 provided on one surface of the main body 1 has a plurality of hooks 30 protruding from the surface on the side of the main body 1 and has a hook 32 for clicking. Each of the hooks 30 is slidably fitted into a fitting hole 37 of the main body 1 shown in FIG. 1 so as to be slidably attached to the main body 1, and the click boss 38 of the main body 1 is engaged with the click hook 32. A click is generated for the slide, and a comb piece 31 is provided on one end side of the comb block 31 so as to cover the opening 20a of the outer cutter frame 20 in the cutter block 2 mounted on the main body 1. The comb piece 31 is formed along the outer blade 21 exposed to the outside through the opening 20a, and its tip is located at a position slightly beyond the top of the outer blade frame 20 across the opening 20a. And the tapered tip of the taper is inclined away from the outer cutter 21. Further, the comb member 3 has a slit-shaped exhaust hole 34 at a portion facing the outlet 19 provided in the portion of the main body 1 where the fan 45 is provided. The outlet 19 in the main body 1 is also formed on the other surface side on which the switch handle 11 is arranged, and accordingly, the switch handle 11 is also provided with a slit-shaped exhaust hole 11a. As shown in FIG. 13, the inside of the fitting hole 37 in the main body 1 is closed by the dust box 7 and other members. It does not spread inside the main body 1. As shown in FIG. 14, the hair is cut with the hair cutter by touching the bulging portion 10 of the main body 1 to the palm, putting a thumb on the switch handle 11, and attaching another finger to the comb member 3. By sliding the switch handle 11 in this state, the motor 4 is operated to drive the fan 45 and the inner blade 22 of the blade block 2 to rotate.
As shown in FIG. 15, the comb pieces of the comb member 3 follow the flow of the hair.
The hair is combed at 31. The presence of the bulging portion 10 makes it easy to securely hold the hair cutter in the palm and prevents the hair cutter from rattling in the palm without applying force. When moving the hair like a comb, the outer blade frame 20
The comb member 3 which is arranged along the outer surface of the band-shaped blade hole row of the outer cutter 21 exposed through the opening 20a of the outer cutter 21 and has a tapered end in a direction away from the top of the outer cutter 21.
As shown in FIG. 16, the comb piece 31 raises the captured hair and introduces the hair tip into the blade hole 21a of the outer cutter 21. The tip of the hair entering the blade hole 21a is cut between the outer cutter 21 and the inner cutter 22, and the shavings generated by the cutting are removed by a fan.
The air is fed into the dust box 7 through the passage 17 by the airflow caused by the rotation of 45. As shown in FIGS. 1 and 2, the passage 17 and the opening 77 in the dust cover 70 of the dust box 7 are formed so as to be obliquely inclined. There is no return to the space where the inner blade 22 is provided. In addition, the cut shavings fly outside through the blade hole 21a of the outer blade 21 because the portion of the outer blade 21 other than the area effective for cutting the hair is covered by the outer blade frame 20. Are almost completely sent to the dust box 7. When the comb member 3 is slid, the comb piece 31 separates from the outer blade 21 as shown in FIGS. 8 to 10 and FIG. Adjustments can be made. The sliding operation of the comb member 3 and the sliding operation of the switch handle 11 can be easily performed while holding the main body 1.

【The invention's effect】

As described above, in the present invention, at the time of cutting hair with a hair cutter, the bulging portion side of the main body is applied to the palm, and for example, a thumb is attached to the switch handle, and another finger is attached to the comb member, and in this state, By sliding the switch handle, the inner blade of the blade block can be driven to rotate, and the hair cutter can be held in the palm of the hand without squeezing the hair cutter firmly in the palm and applying force. Without rattling, the comb piece of the hair cutter comb is moved like combing the hair, and the caught hair can be raised and the tip of the hair can be introduced into the outer blade and the inner blade. It is an easy-to-use haircut that can be performed well. According to the second feature, the plug blade can be easily attached to and detached from the outlet.

[Brief description of the drawings]

1 and 2 are cross-sectional views of one embodiment of the present invention, FIG. 3 is a longitudinal sectional view of the same, FIG. 4 is a perspective view of the same, FIG. 5 is a side view of the same, and FIG. FIG. 7 is a rear view of the same, FIG. 8 is a side view of the same, FIG. 9 is a front view of the same,
FIG. 10 is a rear view of the same, FIG. 11 is a front view of the same with the comb member removed, FIG. 12 is a rear view of the same comb member, and FIG. Fig. 14 (a)
(B) is a side view showing a use state, FIG. 15 is a perspective view showing the use state similarly, 1 is a main body, 2 is a blade block,
3 is a comb member, 4 is a motor, 7 is a dust box, 10 is a bulge, 11 is a switch handle, 20 is an outer blade frame, 21 is an outer blade, 22 is an inner blade, 24 is a rotating shaft, and 40 is a blade block. Is shown.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B26B 19/16 B26B 19/38 B26B 19/44

Claims (2)

(57) [Claims] A rotary inner blade formed by radially disposing a plurality of blades around a rotation axis; and an outer blade having a large number of blade holes and curved along the inner blade. An arc-shaped blade is disposed at one end of the main body, and the other end of the main body, which is an arc-shaped grip portion for holding by hand, accommodates circuit components such as a battery and an end where the circuit components are accommodated. The part becomes a bulging part whose thickness is thickened, a motor and a dust box for storing shavings are arranged in the middle part of the main body, a comb member is slidably arranged on one side of the main body, and A hair cutter characterized in that a slide switch handle is arranged on the other side. 2. The hair cutter according to claim 1, wherein a plug blade is disposed on a side surface of the main body so as to be able to move up and down.