JPH05115631A - Hair cutter - Google Patents

Abstract

PURPOSE:To provide a hair cutter which is easy to handle, preventing cut hairs from falling down. CONSTITUTION:A hair cutter comprises a main body 1, wherein a blade provided on the forward end thereof comprises a comb-shaped fixed blade and a movable blade in slidable contact with each other and a blade drive means is provided, and a hair storage device 3 provided with a hair holding member which is movable toward and apart from the edge of the blade, wherein the device 3 having a U-shaped section has a rib 39 on the inside wall thereof to prevent hairs from falling down.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair cutter for cutting hair with a comb-shaped fixed blade and a movable blade which are in sliding contact with each other.

[0002]

2. Description of the Related Art Scissors are generally used as a household barber, but in this case, the work of cutting the hair protruding from between the fingers by sandwiching the hair between the fingers is performed. However, since the hair slips out between the scissors, it takes a considerable skill to straighten the hair. On the other hand, there is a conventional hair cutter as a hairdresser for home use, which has a comb-shaped fixed blade and a movable blade. With this, barber can be done much easier than with scissors,
It is also relatively easy to cut straight hair. However, this product gives a feeling of danger to the user because the cutting edge of the blade hits the skin at the time of use, and in fact, it must be refrained from using for infants.

To this end, a blade comprising a comb-shaped fixed blade and a movable blade which are in sliding contact with each other, and a hair waste accommodating tool having a hair holding portion facing the cutting edge of the blade are provided, and the cutting edge of the blade and the hair holding are provided. Japanese Patent Application Laid-Open No. 2-16 discloses a device that can be freely separated from and attached to a part
It is shown in the 1975 publication. In this one, by putting the hair tip in the space between the blade tip of the blade and the facing hair holding portion, and bringing the blade and the hair holding portion close to each other, the hair is pressed onto the hair holding portion. Since the blade is cut with a blade and the debris is stored in the debris storage device, the blade tip does not come into contact with the skin, and therefore hair can be trimmed easily and safely, and The dust is not scattered.

[0004]

However, although the hair scraps do not scatter, this is the case when the hair waste storage tool is kept in a predetermined posture, and when the direction of the hair cutter is changed, The shavings stored in the shaving storage device spill out, and the shavings adhere to the face, neck, or shoulders of a person who has had his or her hair cut, or stain clothes or the floor surface with the shavings.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a hair cutter which is easy to use and does not spill cut hair scraps.

[0006]

DISCLOSURE OF THE INVENTION The present invention, however, has a main body having a blade comprising a comb-shaped fixed blade and a movable blade which are in slidable contact with each other at the tip thereof and having a driving means for the blade built therein, and A hair waste container having a hair holding portion that can be brought into and out of contact with a blade edge, and the hair waste container having a U-shaped cross section is provided with ribs for preventing hair spillage on its inner wall. It has a special feature.

According to the present invention, the spill prevention rib prevents spillage of the shavings from the shaving storage device.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the illustrated embodiment. This hair cutter has a main body 1 as shown in FIG.
The blade block 2 is arranged at the tip of the main body 1, the lower cover 3 which is a device for storing hair scraps is arranged on the lower surface side of the main body 1, and the cover 8 is arranged on the upper surface side of the main body 1. Explaining this, an upper housing 11 and a lower housing 12 which are engaged with each other and coupled by screws 19 constitute a body, a motor 5 is disposed inside, and a slider 4 is slidable back and forth. The rotating body 6 is arranged in the rear portion. And the main body 1
A pruning plate 14 that is slidable forward and backward is provided at the front portion of the lower surface, and a battery storage portion covered with a battery cover 13 is provided near the rear portion of the lower surface.

The blade block 2 which is detachably attached to the tip end surface of the main body 1 is made to be slidable with respect to the substrate 20, the fixed blade 21 fixed to the inner surface of the substrate 20, and the fixed blade 21. The movable blade 22, the spring 24 biasing the movable blade 22 toward the fixed blade 21, and the cam 23 fixed to the movable blade 22 lock one end of the substrate 20 to the upper housing 11. At the same time, an engaging spring (not shown) attached to the lower housing 12 is attached to the substrate 20 so as to be attached to the main body 1. When mounted in this way, the eccentric shaft 52 protruding from the joint 51 fixed to the output shaft directed to the front side of the motor 5 engages with the vertical groove portion of the cam 23, The movable blade 22 is reciprocally driven as the motor 5 rotates. The blade block 2 should be formed so as to form an angle θ of approximately 50 to 90 ° with respect to the longitudinal direction of the main body 1.
It is preferable in that the hair bundle is cut straight, the gap between the sandwiched portion and the cut portion is prevented, and the cut hair is easily aligned.

The slider 4 slidably arranged in the main body 1 is attached so as to straddle the motor 5, and a switch handle 41 exposed to one side surface of the main body 1 is provided on a side surface of the slider 4. A pair of locking projections 42, 42 respectively projecting on both side surfaces are provided, and a click spring 43 projecting forward is provided in the central portion, and further a switch spring projecting rearward toward one side. 70 is provided with a protruding piece 44 fixed to the lower surface. The click spring 43 engages with the click projection 15 provided on the inner surface of the upper housing 11 to give three clicks to the slide of the slider 4 in the front-rear direction. Reference numeral 53 in the drawing denotes a fixed spring that fixes the motor 5.

In the rotating body 6 arranged in the rear portion of the main body 1, a shaft portion 60 having connecting portions 62, 62 formed at both ends thereof is rotatably supported at the rear end portions of the upper and lower housings 11, 12. However, the spring 65 disposed between the upper housing 11 and the inner surface of the upper housing 11 urges it in the counterclockwise direction in FIG. The lower cover 3 is connected to the connecting portion 62 located on the outer side of the rear side surfaces of the main body 1, and a non-circular shaft hole 63 is formed in the center as shown in FIG. , Click protrusion 6 on the outer circumference
7 and a groove 64 whose one end is continuous with the shaft hole 63.
Reference numeral 66 in the drawing is a slit formed to impart elasticity to the click protrusion 67.

Reference numeral 71 in FIG. 2 (b) is the lower housing 1.
A switch board 72 that is vertically slidably attached to the rotary body 6 and moves up and down as the rotary body 6 rotates by engaging with a protrusion 61 provided on the rotary body 6.
Is a switch spring attached to the switch substrate 71, and controls conduction between the cathode terminal 76 connected to the cathode of the motor 5 and the switch contact plate 73. On the other hand, the switch spring 70 attached to the slider 4 is electrically connected between the cathode metal fitting 74 and the switch contact plate 73 connected to the negative electrode of the battery and the cathode metal fitting 74 and the cathode terminal 76 as the slider 4 moves back and forth. Control conduction between and. The positive electrode of the motor 5 and the positive electrode of the battery are connected by an anode metal fitting (not shown). The interlocking switch S composed of the switch spring 72 is provided between the two contacts of the three-position switching type main switch SW1 composed of the switch spring 70.
W2 is connected.

When the cutting board 14 is moved forward, it covers some of the blade grooves of the fixed blade 21 of the blade, and has a click projection 16 formed on the lower surface of the front portion of the main body 1. The engagement causes a click to be generated in the forward / backward movement. Next, the lower cover 3, which is a device for storing hair scraps, will be described. The lower cover 3 here is formed so that its cross section has a U-shape, and as shown in FIG. 4, the rear ends of both side walls are provided with connecting portions 36, 36, respectively. A partition 32 is provided near the front part of the bottom wall that is connected, a comb part 31 that is wavy when viewed from the front is provided at the tip edge of the bottom wall, and a groove is provided on the rear side of the comb part 31 on the top surface of the bottom wall. A rib 33 is provided through the rib 30, and a rib 39 for preventing dust from spilling forward and backward is provided near the upper portions of both side walls on the front side of the partition 32. Further, lock projections 35 are provided on the inner surfaces of both side walls into which the lower part of the main body 1 fits.

The pair of connecting portions 36, 3 facing each other
6 is rotatably connected to the connecting portions 62, 62 of the rotating body 6, and is associated with the square tube shaft 37 received in the shaft hole 63 through the groove 64 of the connecting portion 62, and the click protrusion 67. It is provided with a matching click protrusion 38. Then, when the click projection 38 gets over the click projection 67 and the square tube portion 37 comes into contact with one step portion of the shaft hole 63, the rotating body 6 and the lower cover 3 rotate integrally. The urging of the rotating body 6 by the spring 65 is also applied to the lower cover 3.

The cover 8 covering the upper surface of the main body 1 has an inverted U-shaped cross section, and is rotatably fitted to the outer periphery of the connecting portion 36 of the lower cover 3 at the rear end portions of both side walls. The connecting wall 86 is provided, and the pressing wall 80, which is made of a transparent member at the front end and has the comb portion 83 formed at the lower end, is provided. The rear end of the cover 8 further covers the rear end of the lower cover 3 which covers the rear end of the main body 1. A push button 9 is provided in a window hole formed on the upper surface of the cover 8. In this push button 9, a spring piece 91 extending rearward is fixed by heat sealing, and the rear end of the spring piece 91 is fixed to the inner surface of the cover 8 by heat sealing of a boss 84. The push button 9 can be pushed in against the elasticity of the spring piece 91.

However, in this hair cutter, the main switch SW1 is turned off when the switch handle 41 is located at the rearmost position, and the main body 1 is moved to the rear side when the switch handle 41 is moved backward. On the other hand, if the lower cover 3 is rotated against the spring 65 so that the lower portion of the main body 1 fits inside the lower cover 3, the lock projection 42 that moves integrally with the switch handle 41 is provided on the inner surface of the lower cover 3. Since it fits in the lock protrusion 35, the above state is maintained as shown in FIG.

If the switch handle 41 is slid forward one step from this state, the switch handle 41
Along with this, the locking projection 42 moves forward to move the locking projection 35.
In order to disengage from the above, the lower cover 3 also rotates as the rotating body 6 rotates until it comes into contact with the inner surface of the lower housing 12 and stops by being biased by the spring 65, and as shown in FIG.
The lower cover 3 is opened until the main cover 1 and the cover 8 form a required angle. And at this time, the main switch S
Although W1 is in a state of electrically connecting between the cathode metal fitting 74 and the switch contact plate 73, since the interlocking switch SW2 is turned off by the above rotation of the rotating body 6, the motor 5 cannot rotate in this state. Absent.

Normal hair cutting is performed in this state. That is, the push button 9 of the cover 8 is grasped by putting a thumb on the push button 9, and the blade edge of the blade composed of the fixed blade 21 and the movable blade 22,
As shown in FIGS. 1 and 4 and 8, the hair to be cut is introduced between the cutting edge and the lower cover 3 which is in a state of facing the cutting edge with a required gap, and the cover 8 and the lower cover 3 are inserted. Since the spring 65 is made to bend more easily than the spring piece 91 of the push button 9 by grasping and, the cover 8
And the main body 1 simultaneously rotates against the lower cover 3 against the spring 65. At this time, the interlocking switch SW2 is turned on to start the rotation of the motor 5, and the hair introduced as described above has a cover as shown in FIG. 8 is sandwiched between the comb portion 83 of the pressing wall 80 and the comb portion 31 of the lower cover 3 which are located close to the blade edge of the lower cover 3, and the push button 9 is further pushed, the push button 9 bends the spring piece 91 as shown in FIG. As shown in FIG. 7, the main body 1 is attached to the cover 8 and the lower cover 3.
Is further rotated. As a result, the blade tip of the blade block 2 comes into contact with the groove 30 on the inner surface of the lower cover 3 that is lower than the comb portion 31 by a step lower than the comb portion 31. The cut dust is collected in the space in front of the battery storage portion that is cut by the lower surface of the main body 1, that is, in the dust storage portion 300 between the partition 32 and the comb portion 31 in the lower cover 3.

At this time, hair is cut at a position surrounded by the lower cover 3 and the cover 8, and the tooth groove of the comb portion 31 of the lower cover 3 is formed by the comb portion 83 of the pressing wall 80 of the cover 8.
Since it is closed with, the cut fine dust is collected in the dust storage part 300 without scattering to the outside, and the dust once entering the dust storage part 300 is spill prevention rib. Due to the presence of 39, even if the hair cutter is tilted, it does not spill outside.

When the switch handle 41 is moved further forward from the above state in which the interlock switch SW2 becomes effective,
The main switch SW1 includes a cathode fitting 74 and a cathode terminal 7.
The motor 5 is continuously rotated regardless of whether the interlocking switch SW2 is turned on or off in order to make the interlocking switch 6 and 6 be electrically connected to bypass the interlocking switch SW2. This is mainly used for hair cutting without using the lower cover 3 and the cover 8, but the description thereof is omitted here.

10 to 13 show another embodiment. The partition 32 of the lower cover 3 is formed as a separate body, and is provided with shafts 320 on both sides of its upper end so as to be rotatably attached to the lower cover 3 and to the rear side of the partition 32 of the lower cover 3. The second hair waste storage portion 302 is provided at that location. As shown in FIG. 12, the hair is cut diagonally upward. At this time, since the partition 32 comes to a position where the front and rear spaces of the partition 32 communicate with each other by its own weight, the cut hair scraps are scraped. The second shaving storage unit 302 is entered through the storage unit 300. The hair scraps thus stored in the hair scraps storage portion 302 are brought into contact with the stopper 301 so that the partition 32 is separated from the both hair wastes storage portion 30 even when the hair cutter is moved forward as shown in FIG.
Since the communication between 0 and 302 is closed, it does not spill.

14 to 19 show another embodiment. As the partition 32, an interlocking piece 321 is connected via a shaft 320, and a torsion coil spring 322 is arranged between the interlocking piece 321 and the partition piece 321. In the initial state, the interlocking piece 321 is in a state of being erected by the bias of the torsion coil spring 322 against the partition 32 that hangs downward, as shown in FIG. As it is rotated with respect to 3, the interlocking piece 321 is pushed by the lower surface of the main body 1 as shown in FIG.
Is tilted forward, and the partition 32 is also turned rearward accordingly. And when the hair is cut by the blade,
The partition 3 is formed by the battery cover 13 in the main body 1.
Since 2 is pushed from the back side, as shown in FIG. 17, the partition 32 cuts off between the hair waste storage unit 300 and the second hair waste storage unit 302, but the cutting of the hair ends and the lower cover is closed. When the main body 1 rises up with respect to 3, the partition 32 is rotated rearward to re-establish communication between the two hair waste storage units 300 and 302. 2 Move to the hair waste storage section 302. Also in this thing, even if the hair cutter 1 is turned upside down, as shown in FIG.
Spillage due to back flow of hair from the second hair waste storage unit 302 does not occur.

20 to 22 show still another embodiment.
Here, the engaging rib 304 and the hook 3 are attached to the lower cover 3.
The second hair waste accommodating portion 302 is constituted by the case 303 which is detachable by the case 05 and the case 3
Shutter 30 that is slidable in the front-back direction and is biased rearward by a spring 307.
6 is provided. The spring 307 here is completely deflected by the weight of the shutter 306 and normally pushes the shutter 306 rearward as shown in FIG. 20, but if the hair cutter is turned downward, the spring 307 shown in FIG.
As shown in FIG. 2, the shutter 306 moves to the front side, and blocks the fluff that has entered the second fluff storage unit 302 from coming out together with the rotatable partition 32. In the figure, reference numeral 308 is a guide protrusion that guides the slide of the shutter 306.

[0024]

As described above, according to the present invention, the spillage of the hair scraps from the hair waste container is prevented by the spill prevention ribs provided on the inner side wall of the hair waste container, which is cut. It is easy to use because shavings do not spill out of the shaving storage device.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view of an example.

2A is a vertical sectional view, and FIG. 2B is a cutaway plan view with a cover and an upper housing removed.

FIG. 3 is a cross-sectional view.

FIG. 4 is a vertical sectional view at the start of cutting.

FIG. 5 is a vertical cross-sectional view after completion of cutting.

FIG. 6 is a partial vertical sectional view in the middle of cutting.

FIG. 7 is a partial vertical cross-sectional view at the time of completion of cutting.

FIG. 8 is a perspective view showing a usage state.

FIG. 9 is a perspective view showing a usage state.

FIG. 10 is a vertical cross-sectional view of another embodiment.

FIG. 11 is an exploded perspective view of the lower cover and the partition of the same.

FIG. 12 is a vertical cross-sectional view showing the same operation.

FIG. 13 is a vertical cross-sectional view showing the same operation.

14A and 14B show another embodiment, wherein FIG. 14A is a perspective view of a partition, and FIG. 14B is a side view of a torsion coil spring.

FIG. 15 is a vertical cross-sectional view of the same initial state.

FIG. 16 is a vertical cross-sectional view showing the same as above while cutting.

FIG. 17 is a vertical cross-sectional view when the above cutting is completed.

FIG. 18 is a vertical cross-sectional view showing the same state as above.

FIG. 19 is a vertical sectional view showing the same operation.

FIG. 20 is a vertical cross-sectional view of still another embodiment.

FIG. 21 is a perspective view of the above case.

FIG. 22 is a vertical cross-sectional view showing the same operation.

[Explanation of symbols]

 1 Main Body 2 Blade Block 3 Lower Cover 39 Spill Prevention Rib 300 Hair Dust Storage

Claims (1)

[Claims] 1. A main body having a blade composed of a comb-shaped fixed blade and a movable blade in sliding contact with each other at a tip thereof and having a drive means for driving the blade, and a blade tip of the blade capable of contacting and separating from each other. A hair cutter comprising a hair waste container having a hair holding part, the hair waste container having a U-shaped cross section, and a hair waste spill preventing rib provided on an inner wall of the hair cutter.