JPH0595862A - Floor brush for vacuum cleaner - Google Patents

Abstract

PURPOSE:To provide a vacuum cleaner floor brush, which presents a very small operating resistance and which enables effective cleaning of a narrow place such as corners of room, near the wall, etc., by equipping the floor brush with a running mechanism to allow the brush to travel left and right on the floor surface. CONSTITUTION:A rotary brush 14 is supported in a suction part 13 with capability of mounting and removal and with rotatablity in either the regular or the reverse direction along the longitudinal of the cleaner body 11, and a pulley 15 furnished at one end of this rotary brush 14 is coupled through a timing belt 18 with another pulley 17 furnished on the output shaft of a brush driving motor 16 which is fixed to the body 11 and capable of rotating in the regular and reverse directions. Runner wheels 20a-20d are provided at the four corners of the body 11, and the shaft 21 of each wheel is set in parallel with the rotary brush 14 and mounted on the body 11 through a bearing 22 rotatably in the regular and reverse directions. This enables moving of the floor brush 10 to the left and right. If a rotary tubing fitted with a pipe is rotated 90 deg. to the left or the right, a transversely longer floor brush as conventional is obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor brush for an electric vacuum cleaner.

[0002]

2. Description of the Related Art In household work, although the work of cleaning has been reduced by the development of electric vacuum cleaners, it has become difficult to clean the floor surface by improving suction power and diversifying the floor surface to be cleaned (for example, the spread of carpets). There is great resistance to running a floor brush, and it is still a heavy labor that accompanies fatigue. Especially when cleaning a carpeted floor surface, the conventional floor brush has a weak force to suck dust and dirt inside the carpet, so use the same area to move the floor brush back and forth many times. Fatigue doubles because it has to be moved.

Therefore, various developments have been made for the purpose of reducing the running resistance and improving the operability of the electric vacuum cleaner, and an example thereof is the invention disclosed in Japanese Patent Laid-Open No. 3-29. A floor brush for an electric vacuum cleaner according to the present invention includes a suction port main body having a suction port, and a rotating brush that is supported by the suction port main body so as to rotate forward and backward facing the suction port.
An electric motor for a rotating brush, which is provided on the suction port body and drives the rotating brush to rotate forward and backward, a drive wheel for traveling which is rotatably supported by the suction port body in a forward and reverse direction, and a drive provided on the suction port body. A drive wheel electric motor capable of rotating the wheel in forward and reverse directions, and when the drive wheel electric motor rotates in the normal direction, the rotating brush electric motor rotates in the normal direction, and when the drive wheel electric motor rotates in the reverse direction, the rotating brush electric motor. It is provided with a forward / reverse reversing switch that interlocks both electric motors so that the electric motor rotates in the reverse direction.

And, by having such a configuration,
Good running performance is obtained both when moving forward and backward, and operability for running is also improved.By reversing the rotating brush, dust can be effectively scraped from the carpet and the brushing effect is improved. It is supposed to improve.

[0005]

As described above, the conventional vacuum cleaner is premised on that the floor brush travels in the front-back direction of the person who operates the vacuum cleaner, and the running resistance is certainly reduced. However, you have to bend your hips in a forward leaning position and move your arms back and forth to move the floor brush forward and backward.
Also, when cleaning the carpet, the floor brush must be moved back and forth at the same location many times. Therefore, exercise of the muscles of the back, waist and shoulders is inevitably required, and the problem of muscle fatigue cannot be solved. Also, since the conventional floor brush is formed in a horizontally long rectangle with respect to the walking posture of the person holding the hose handle, it is impossible to clean the corners of the room, the wall of the floor, or a narrow place, Cleaning such a place was extremely troublesome, such as sucking dust and dirt with the pipe pulled out from the floor brush.

The present invention has been made to solve the above problems, and improves the cleaning function of a floor surface, particularly a floor surface covered with a carpet, and has an extremely small operation resistance for cleaning, which induces fatigue. The purpose of the present invention is not only to provide a floor brush for a vacuum cleaner that can effectively clean a corner of a room, a wall, or a narrow space.

[0007]

A floor brush according to the present invention is provided with a traveling mechanism for moving the floor brush from side to side on the floor surface. In addition, a traveling wheel or a rotating ball is provided at a position in contact with the floor surface of the floor brush, or a turning mechanism that allows the movement direction of the floor brush is provided.

Further, a forward / reverse rotatable motor for driving the traveling wheels is provided, or a rotating pipe communicating with the suction port is constructed so as to be able to rotate substantially 90 ° to the left and right, and further, a position in contact with the floor surface. It is provided with auxiliary wheels capable of moving up and down or turning or moving up and down.

In the above floor brush, the plane shape thereof is formed into a rectangle, a square, a trapezoid, a triangle or a shogi piece.

[0010]

In the present invention, the floor brush is cleaned by moving the floor brush left and right. By providing this on-site traveling mechanism, it is possible to reduce the resistance to the floor surface and move. Further, by providing the turning mechanism, the floor brush can be turned in any direction. Further, by driving the traveling wheels with a motor, the floor brush can be moved in the left-right direction without requiring human power.

Further, by rotating the rotating tube by 90 °, the floor brush can be moved in either the left or right direction or the front-rear direction for cleaning, and by providing auxiliary wheels, it can also be moved in the front-rear direction. The floor brush can be moved with little resistance.

Further, since the floor brush is formed in a rectangular shape, a square shape, a trapezoidal shape, a triangular shape, or a shogi piece shape, it strongly sucks dust and dust not only on the floor surface but also in the corners of the room, walls, or narrow spaces. Then you can clean it.

[0013]

1 is a perspective view showing the overall construction of an electric vacuum cleaner using a floor brush according to the present invention. In the figure, 1
Is a main body of the vacuum cleaner, which includes an electric blower, a dust collecting chamber communicating with the electric blower, a cord reel for winding the power cord 3, and the like. 2 is a rear wheel. Although not shown,
A front wheel is provided on the front surface of the lower surface of the cleaner body 1. Four
Is a hose, a connection pipe 5 connected to the connection port 1a of the cleaner body 1 is attached to one end, and a grip pipe (handle) 6 having a handle 7 is provided to the other end. Reference numeral 8 denotes a hand-side operation portion provided on the grip tube 6. Reference numeral 10 denotes a floor brush having a rectangular shape in plan view. A rotating tube 12 that opens in the lengthwise direction of the floor brush 10 is rotatably mounted on a top surface of the floor brush 10 within a predetermined range. Are connected by a pipe 9.

Example 1. 2 is a plan view of a floor brush according to a first embodiment of the present invention, and FIG. 3 is a bottom view showing a state in which a bottom plate is removed. Reference numeral 11 is a rectangular main body made of a synthetic resin molded product, and a suction port 13 provided on the lower surface is provided at substantially the center of the upper surface.
The rotary tube 12 communicating with the main body 11 is attached to the main body 11 so that the main body 11 can be rotated 90 degrees to the left and right with respect to the center 0-0 in the longitudinal direction.

Reference numeral 14 denotes a rotating brush which is rotatably and removably supported in the suction port 13 in the lengthwise direction of the main body 11 and which is detachably supported by a pulley 15 provided at one end and a regular brush fixed to the main body 11. The pulley 17 provided on the output shaft of the rotating brush drive motor 16 capable of reverse rotation is the timing belt 18
Are connected by. 20a, 20b, 20c, 20
Reference characters d are traveling wheels provided at the four corners of the main body 11, and shafts 21 thereof are mounted on the main body 11 in parallel with the rotating brush 14 via bearings 22 so as to be rotatable in forward and reverse directions.
a to 20d are slightly exposed from the bottom plate of the main body 11.
A rotating ball may be provided instead of the traveling wheels 20a to 20d.

FIG. 4 shows the main body 11 of the floor brush 10 and the rotary tube 1.
2 shows an example of a connecting portion with the second main body 11, in which the inner peripheral surface of the side wall of the cylindrical connecting hole 23 having the step portion 24 provided in the central portion of the main body 11 is made of a conductive material as shown in FIG. A plurality of contacts 26 made of a spring material are fixed by the pins 25 of.
A lead wire 27 for supplying power to the rotary brush drive motor 16 and the like is connected to the pin 25. On the other hand, a cylindrical portion 29 is formed in the lower portion of the rotary tube 12 via a step portion 28 that engages with the step portion 24 of the connecting hole 23, and a contact point 26 of the connecting hole 23 is formed on the outer periphery of the cylindrical portion 29. Correspondingly, the ring-shaped electrodes 30 are fixed. The electrode 30 is connected to the hand operation unit 8 by a lead wire 31 arranged along the turning tube 12 and the pipe 9. Reference numeral 32 is a holding plate.

In the connecting portion constructed as described above,
Even if the rotating tube 12 is rotated, power supply and commands from the hand operation unit 8 are applied to the electrode 30 via the lead wire 31, and the rotary brush drive motor 16 and the like from the electrode 30 via the contact point 26, the pin 25 and the lead wire 27. Added to.

Next, the operation of the first embodiment will be described. First, the power cord 3 of the cleaner body 1 is extended and the plug is inserted into a power outlet. Then, hold the grip tube 6 by hand and place the floor brush 10 on the floor so that its length direction is substantially the same as the walking direction of a person, and turn on the power switch provided in the hand operation unit 8. The electric blower of the cleaner body 1 is operated. Then, as shown in FIG. 6, while moving the floor brush 10 left and right around the grip tube 6, the floor brush 10 is appropriately moved forward or backward to suck dust and dust on the floor surface. At this time, the traveling wheels 20a to 20 are provided on the lower surface of the floor brush 10.
Since the d or the rotating ball is provided, the person who is cleaning can move the floor brush 10 to the left and right with a slight force while stretching the waist.

Further, as shown by the alternate long and short dash line in FIG. 2, if the rotary tube 12 having the pipe 9 mounted thereon is rotated 90 ° to the right or left, it becomes a horizontally long floor brush as in the conventional case. You can move it back and forth to clean the floor. In any of the above cases, the rotary brush drive motor 16 can be operated by the switch provided on the hand operation unit 8 according to the state of the floor surface, and the rotary brush 14 can be rotated to absorb dust.

Example 2. FIG. 7 is a bottom view of the second embodiment of the present invention. The same parts as those in the first embodiment (FIG. 3) are designated by the same reference numerals and the description thereof will be omitted. 20c, 20d
Is a traveling wheel provided at a corner on one side of the main body 11 in the front-rear direction. In the present embodiment, these traveling wheels 20c and 20d are commonly supported by the main body 11 via a bearing 33 so as to be rotatable. Is attached to the traveling drive shaft 34 of. Three
Reference numeral 5 denotes a traveling wheel drive motor which is fixed to the main body 11 and which rotates in the forward and reverse directions substantially coaxially with the rotary brush drive motor 16. The output gear of the traveling wheel drive motor 3 passes through the reduction gear 36.
4 is connected to a gear 37 fixed to the gear 4. The traveling wheel drive motor 35 is operated by the hand operation unit 8 provided on the grip tube 6.

In the present embodiment constructed as described above,
If the traveling wheel drive motor 35 is set in advance so as to rotate forward and backward at a constant cycle, and when the floor surface is cleaned, the grip tube 6 is held in the hand and the traveling wheel drive motor 35 is driven by the hand operation unit 8. As shown in FIG. 8, the floor brush 10 automatically repeats an arc motion around the grip tube 6 without applying any human power to suck dust and dust on the floor. Therefore, the person holding the gripping tube moves forward or backward while causing the floor brush 10 to make an arc motion, so that the floor surface is covered with the wall W.
It can be automatically cleaned up to the crinkle.

Embodiment 3. The third embodiment shown in FIG. 9 is a bracket 38 provided on the side wall of the main body 11 of the floor brush 10.
Arms 39a, 39 rotatably attached to a, 38b
A swivel wheel 40a having a shaft 41 and a wheel 42 rotatably attached to the shaft 41 in the forward and reverse directions at the tip of b.
40b is attached, and a lever 43 is attached between the arms 39a and 39b. And the bracket 3
Servo motor 44 is provided between 8a and 39a, and the other end of arm 45 having one end attached to its output shaft is connected to lever 4
3 is provided with a steering mechanism in which the shaft is fixed.

The adjustment of the turning wheels 40a and 40b as described above is performed, for example, as shown in FIG. 10A, variable resistors R ₁ and R such as a volume provided in the hand operation unit 8 such as a volume regulator.
₂ and variable resistors R ₃ and R ₄ whose resistance values change due to the rotation of the servo motor 44 shown in FIG.
A bridge circuit 46 as shown in FIG.
The servomotor 44 is connected between the power detection terminals, and the power supply 47 is connected between the power supply terminals.

In the present embodiment constructed as described above,
Now, for example, a knob of a volume provided on the hand operation unit 8 is rotated by a desired angle in either the + direction or the-direction around 0 to change the resistance values of the variable resistors R ₁ and R ₂ to change the turning wheel. The turning direction and turning angle of 40a and 40b are set. When the resistance values of the variable resistors R ₁ and R ₂ change, an unbalanced voltage is generated in the bridge circuit 46, and the servo motor 44 rotates in the forward direction or the reverse direction according to the polarity of the unbalanced voltage to rotate the variable resistor R 1. The resistance values of ₃ and R ₄ are changed to balance the bridge circuit 46. The arm 43 is driven by the rotation of the servomotor 44, and the lever 43 connected to the arm 45 is driven.
Is moved to the right or left in accordance with the rotation direction of the servomotor 44, and the turning wheels 40a, 40 connected to the lever 43 are moved.
b is turned according to the rotation angle of the servo motor 44.

In this way, in the present embodiment, the turning direction and turning angle of the turning wheels 40a and 40b are arbitrarily set by operating the knob of, for example, the volume provided on the hand operation portion 8, and Based on this, the floor brush 10 can be automatically moved in any direction. The servo motor 44 and the arm 45 may be omitted and the turning mechanism may be manually operated.

Example 4. FIG. 11 is a plan view of the fourth embodiment of the present invention, and FIG. 12 is a schematic view of the lower surface thereof. In the present embodiment, the floor brush 10 is formed in a substantially square shape in plan view, and the configuration and operation thereof are almost the same as those in the second embodiment (FIG. 7), and the description thereof will be omitted.

Example 5. 13 is a plan view of the fifth embodiment of the present invention, and FIG. 14 is an enlarged bottom view of FIG. In this embodiment, the floor brush 10 is formed into a substantially trapezoidal plane shape. The structure is almost the same as that of the second embodiment (FIG. 7), and as shown in FIG. 15, the floor surface can be strongly cleaned up to the wall.

Example 6. 16 is a plan view of the sixth embodiment of the present invention, and FIG. 17 is a bottom view thereof. In this embodiment, the floor brush 10 is formed in a triangular plan shape,
13 is a suction port continuously provided along two sides of the main body 11,
A rotary brush 14 is arranged in the suction port on one side. Reference numerals 20a and 20b denote traveling wheels that are provided substantially along the center line of the main body 11. In addition, these rotating brushes 14
Although the traveling wheels 20a and 20b are shown to rotate due to the frictional resistance with the floor surface when the floor brush 10 is moved left and right, the rotating brush 14 and the traveling wheels 20a and 20b are shown.
A rotary brush drive motor and traveling wheel drive motors may be provided substantially on the same plane as or above these, and the rotary brush 14 and the traveling wheels 20a, 20b may be driven by these motors.

Reference numerals 50a, 50b, and 50c are auxiliary wheels that can rotate in the forward and reverse directions. In this embodiment, when the floor brush 10 is moved in the left-right direction, the traveling wheels 2 are moved as shown in FIG.
0a, 20b and not in contact with the floor surface F, but when moving in the front-rear direction, as shown in FIG. 19, the vehicle turns 90 ° and is positioned below the traveling wheels 20a, 20b.
Is configured to contact.

FIG. 20 is a side view schematically showing the lifting mechanism for the auxiliary wheels 50a and 50b, and FIG. 21 is a bottom view thereof. Reference numeral 52 denotes a sliding plate that slides along the upper surface plate of the main body 11, and a knob 53 provided on the upper surface is a window hole 51 provided in the main body 11.
From the outside. Reference numeral 54 denotes a cam plate connected to the sliding plate 52. The cam plate 54 has recesses 56a,
A cam 55 provided with 56b, 56c and 56d, respectively.
a and 55b are attached.

Reference numerals 60a and 60b are auxiliary wheels 50b and 50c.
Of the cams 55a and 55b at the upper end.
6a to 55d are formed with fitting portions 61a and 61b, and a lower portion of the fitting portions 61a and 61b is formed into a fork shape.
b and 50c are rotatably supported. 62a, 62b
Is a swing arm fixed to the support members 60a and 60b,
Both turning arms 62a and 62b are connected by a turning lever 57, and a connecting rod 59 provided on the turning lever 57 is fitted in a groove 58 provided on the cam plate 54. 63a, 6
3b is a spring interposed between the main body 11 and the turning arms 62a and 62b, and always urges the support members 60a and 60b upward.

In the lifting mechanism 65 for the auxiliary wheels constructed as described above, in the state shown in FIG. 20, the knob 53 is on the left side of the window hole 51, and the cam plate 54 interlocking with this is moved to the left side, and the support member is moved. The fitting portions 61a and 61b of the members 60a and 60b are fitted into the recesses 56a and 56c below the cams 55a and 55b, and are recessed into the springs 63a and 63b.
By pressing down 60b, the auxiliary wheels 50b and 50c are pushed down to below the traveling wheels 20a and 20b. On the other hand, the turning lever 57 that interlocks with the cam plate 54 also moves to the left, and the supporting members 60a and 60b are turned 90 ° via the turning arms 62a and 62b, so that the auxiliary wheels 50b and 50c are moved as shown in FIG. The traveling wheels 20a and 20b are orthogonal to each other. As a result, the floor brush 10 can be easily moved in the front-rear direction to clean the floor surface.

When the knob 53 is moved to the right, the fitting portions 61a and 61b of the support members 60a and 60b move to the cams 55a and 55a.
The recesses 56b and 56d above 55b are fitted, the support members 60a and 60b are urged by the springs 63a and 63b to move upward, and the auxiliary wheels 50b and 50c are moved to the traveling wheels 20a and 2b.
0b, and the supporting members 60a, 6b are moved by the action of the turning lever 57 and the turning arms 62a, 62b.
0b is rotated 90 ° to return the auxiliary wheels 50b and 50c to the positions parallel to the traveling wheels 20a and 20b. The auxiliary wheel 50a also moves up and down and turns by the above-described lifting mechanism.

In the sixth embodiment constructed as described above, the auxiliary wheels 50a to 50c are normally raised, and the rotary brush 14 and the running wheels 20a and 20b are driven manually or automatically, and the floor brush 10 is driven. Is moved left and right to clean the floor. At this time, the corners and walls of the room can be easily cleaned. Auxiliary wheel 50a
If the floor brush 10 is moved back and forth by lowering the ˜50 c, it is possible to easily clean a narrow space such as between furniture and furniture.

In the above description, when the floor brush 10 is moved left and right, the auxiliary wheels 50a to 50c are moved to the traveling wheels 2.
The floor brush 1 is placed parallel to and above 0a and 20b.
When moving 0 back and forth, the example which provided the raising / lowering mechanism 65 which makes auxiliary wheels 50a-50c orthogonal to traveling wheels 20a and 20b, and was located below was explained, but when moving the floor brush 10 left and right, for example. Is an auxiliary wheel 50
When the floor brush 10 is moved back and forth, the auxiliary wheels 50a to 50c are moved to the traveling wheels 20a and 20b.
It may be orthogonal to and positioned below.

Further, the auxiliary wheels 50a to 50c are arranged orthogonally to the traveling wheels 20a and 20b from the beginning, and when the floor brush 10 is moved left and right, the auxiliary wheels 50a to 50c are raised and moved forward and backward. When running, run wheels 20
The elevating mechanism can be changed as appropriate, such as lowering below a and 20b. The auxiliary wheels and the lifting mechanism for the auxiliary wheels as in the present embodiment can be appropriately provided in the above-described first to fifth embodiments as needed.

Example 7. FIG. 22 is a plan view of the seventh embodiment of the present invention. In this embodiment, the floor brush 10 is formed in the shape of a shogi piece in plan view, and the structure and action of the lower surface are the sixth.
Since it is almost the same as the embodiment (FIGS. 16 to 21), detailed description will be omitted.

Although various embodiments of the present invention have been described above, also in the second to seventh embodiments, the connecting portion between the main body 11 and the rotating tube 12 as shown in the first embodiment, or the connecting portion. The connecting portion can be provided by appropriately changing the connecting portion, and other configurations can be appropriately changed. In each of the above-mentioned embodiments, the floor brush is provided with the rotary brush, but the rotary brush is not essential to the present invention and may be omitted.

In each of the above embodiments, an electric blower,
An example in which the floor brush according to the present invention is used in an electric vacuum cleaner including a cleaner main body having a cord reel or the like built therein and a floor brush connected to the cleaner main body through a hose and a connecting pipe has been described. A vacuum cleaner with a built-in blower, dust collection chamber, etc. and an electric vacuum cleaner with a separate cord reel, or a vacuum cleaner generally called an upright type, and a vacuum cleaner with a built-in electric blower, dust collection chamber, etc. The present invention can be applied to a central cleaner that is placed in a closet or the like and has a hose arranged in each room.

[0040]

As is clear from the above description, according to the present invention, the floor brush provided with the traveling mechanism is moved in the left-right direction for cleaning, so that the operation resistance is small and the waist, back, It is possible to reduce fatigue such as shoulders.
In addition, by providing traveling wheels or rotating balls on the floor brush, the person who is cleaning does not have to lean forward and does not swing his or her arms forward or backward, but simply by grasping the handle and moving the floor brush left or right. Since dust and dirt on the floor surface can be sucked in, a floor brush with minimal operation resistance and less fatigue during cleaning can be obtained. In addition, the floor brush is equipped with traveling wheels that are driven by motors that rotate in the forward and reverse directions.The floor brush automatically moves to the left and right simply by supporting the handle to suck dust and dirt, so cleaning A floor brush with virtually no fatigue is obtained.

Further, since the rotary tube communicating with the suction port can be rotated by about 90 ° to the left and right, and the floor brush can be moved to the left or the right or the front and the back to perform the cleaning, the feeling of discomfort at the time of cleaning can be improved. No floor brush is obtained. Furthermore, since the auxiliary wheel that can be raised or lowered or rotated or freely rotated can be moved, the floor brush can be moved in the front-rear direction without feeling tired.

Furthermore, since the floor brush is formed in a rectangular shape, a square shape, a trapezoid shape, a triangular shape, or a shogi piece shape, not only a normal floor surface but also a corner or wall of a room, furniture or furniture is placed. Dust and dust can be effectively sucked in even in a narrow space, and it is possible to deal with diversified floor surfaces.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outline of an embodiment of the present invention.

FIG. 2 is a plan view of the first embodiment of the present invention.

FIG. 3 is a bottom view of FIG.

FIG. 4 is a sectional view of an embodiment of a connecting portion between a main body and a turning tube.

5 is a perspective view of a main part of FIG.

FIG. 6 is an explanatory view of the operation of the first embodiment.

FIG. 7 is a bottom view of the second embodiment of the present invention.

FIG. 8 is an explanatory view of the operation of the second embodiment.

FIG. 9 is a bottom view of the third embodiment of the present invention.

10 (a), (b) and (c) are electrical circuit diagrams of a third embodiment.

FIG. 11 is a plan view of the fourth embodiment of the present invention.

FIG. 12 is a bottom view of FIG. 11.

FIG. 13 is a bottom view of the fifth embodiment of the present invention.

FIG. 14 is a bottom view of FIG.

FIG. 15 is an explanatory view of the operation of the fifth embodiment.

FIG. 16 is a plan view of the sixth embodiment of the present invention.

FIG. 17 is a bottom view of FIG.

FIG. 18 is an explanatory view of the operation of the sixth embodiment.

FIG. 19 is an explanatory view of the operation of the sixth embodiment.

FIG. 20 is a side view of an example of a lifting mechanism for auxiliary wheels of a sixth example.

FIG. 21 is a bottom view of FIG. 20.

FIG. 22 is a plan view of the seventh embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vacuum cleaner body 4 Hose 6 Grip tube 8 Hand operation part 9 Pipe 10 Floor brush 11 Main body 12 Rotating tube 13 Suction port 14 Rotating brush 16 Rotating brush drive motor 20a, 20b, 20c, 20d Traveling wheel 34 Traveling wheel drive shaft 35 Driving wheel drive motors 40a, 40b Swivel wheels 43 Lever 44 Servo motor 45 Arm 46 Bridge circuit 50a, 50b, 50c Auxiliary wheels 65 Auxiliary wheel lifting mechanism

Front page continued (72) Inventor Yoshio Yoshida 2-14-40 Ofuna, Kamakura-shi Inside Lifestyle Research Institute, Mitsubishi Electric Corporation (72) Masafumi Nagata 2-14-40 Ofuna, Kamakura-shi Living System In-house (72) Inventor Yosuke Otsuka 2-14-40 Ofuna, Kamakura City Mitsubishi Electric Corporation Life Systems Research Center

Claims (11)

[Claims] 1. A floor brush which is connected to at least an electric blower and an electric vacuum cleaner body having a dust collection chamber communicating with the electric blower therein and which comes into contact with a floor surface and sucks dust, dust, etc. A floor brush for an electric vacuum cleaner, comprising a traveling mechanism for moving the floor brush left and right on a floor surface. 2. The floor brush for an electric vacuum cleaner according to claim 1, wherein the traveling mechanism is a traveling wheel or a rotating ball. 3. The floor brush for an electric vacuum cleaner according to claim 1, further comprising a turning mechanism that allows the floor brush to move in any direction. 4. The floor brush for an electric vacuum cleaner according to claim 2, further comprising a motor capable of rotating forward and backward for driving traveling wheels. 5. A turning tube which communicates with the suction port is provided on the left and right approximately 9 times.
The floor brush for an electric vacuum cleaner according to claim 1, wherein the floor brush is configured to be rotatable by 0 °. 6. A floor brush for an electric vacuum cleaner according to claim 1, wherein a plurality of auxiliary wheels capable of moving up and down or rotating or rotating up and down are provided at a position in contact with the floor surface. 7. The floor brush for an electric vacuum cleaner according to claim 1, wherein the planar shape is a rectangle. 8. A floor brush for an electric vacuum cleaner according to claim 1, wherein the planar shape is a square. 9. The floor brush for an electric vacuum cleaner according to claim 1, wherein the planar shape is trapezoidal. 10. The floor brush for an electric vacuum cleaner according to claim 1, 2, 4 or 6, wherein the planar shape is a triangle. 11. The floor brush for an electric vacuum cleaner according to claim 1, wherein the planar shape is a shogi piece shape.