RU2369314C2 - Design of headpiece that comprises unit of auxiliary brush - Google Patents

Abstract

FIELD: personal demand items.

SUBSTANCE: design of headpiece with unit of auxiliary brush is intended for vacuum cleaner. Headpiece device comprises body, unit of drum brush installed in body and containing rotary drum brush for removal of dirt or dust from cleaned surface as it enters in contact with it, and unit of auxiliary brush installed on body or on unit of drum brush and connected with the possibility of rotation or to body of headpiece design, or to unit of drum brush for selective maintenance of condition, in which unit of drum brush is enters in contact with cleaned surface, or condition, in which unit of auxiliary brush does not enter in contact with cleaned surface. Unit of auxiliary brush comprises auxiliary brush, which previously cleans dirt or dust stuck to cleaned surface, prior to its removal by drum brush, element of auxiliary brush, which provides for selective maintenance of condition, in which specified element enters in contact with cleaned surface, or condition, in which specified element does not enter in contact with cleaned surface, at least one element of holder, one side of which is connected to body of headpiece device, at least one connecting element, which provides for connection of holder element to element of auxiliary brush, and at least one guide element, which is installed on element of auxiliary brush, and providing for connection of auxiliary brush element and mentioned at least one element of holder to vary position of element of auxiliary brush in process of guide element displacement. Unit of auxiliary brush may comprises element of frame connected with the possibility to rotate to unit of drum brush, upper jacket, which surrounds upper part of frame element, and lower jacket, which is connected to upper jacket to provide for coverage of frame element lower part, to lower surface of which auxiliary brush is connected with the possibility of detachment. In version of device making unit of auxiliary brush comprises jacket of auxiliary brush and panel fixed to lower end of auxiliary brush jacket and to lower end of which auxiliary brush is fixed, and locking unit installed in unit of drum brush with provision of selective fixation of unit of auxiliary brush in it and having hook for locking of auxiliary brush unit and spring for hook pressing in upward direction. In other version of device making unit of drum brush comprises jacket, which surrounds drum brush, and unit of auxiliary brush has jacket equipped with at least one holder, installed on auxiliary brush, and at least with one jacket cantilever fixed with the possibility of rotation to holder, and panel that is fixed to lower end of jacket and to lower end of which auxiliary brush is fixed.

EFFECT: invention makes it possible to easily remove thin and long litter from cleaned surface, for instance hair, pets' hair, and provides for possibility to lift auxiliary brush and rotate it by 90 degrees into non-working position.

39 cl, 35 dwg

Description

CROSS REFERENCE TO RELATED APPLICATIONS

In accordance with §119 (e) of Section 35 of the U.S. Code of Priority, this application is claimed by provisional applications for US Patent Nos. 60/850736, 60/850895, 60/875898 and 60/919253, filed October 11, 2006, October 11, 2006, respectively. On December 20, 2006 and March 21, 2007 at the United States Patent and Trademark Office, as well as pursuant to §119 (a) of Section 35 of the US Code, the priority of this application is claimed for Korean patent applications

No. 10-2006-0128520, 10-2006-0128522, 10-2007-0015589, 10-2007-0044275, filed respectively on December 15, 2006, December 15, 2006, February 14, 2007 and May 7, 2007 to the Korean Bureau Intellectual Property, the description of which is incorporated herein by reference in its entirety.

BACKGROUND OF THE INVENTION

Technical field

This invention relates to a vacuum cleaner. More specifically, this invention relates to a nozzle device for a vacuum cleaner that comes into contact with a surface to be drawn in to draw dust or dirt therefrom along with air.

Description of the prior art

Typically, the vacuum cleaner is made with a nozzle device capable of drawing dust or dirt from the surface to be cleaned. Such a nozzle device draws in dirt or dust when it comes into contact with the surface being cleaned by the suction force generated by the motor installed in the vacuum cleaner body.

However, among such devices, the nozzle device, which is used in application to a vertical type vacuum cleaner, comprises a drum brush assembly that brushes dust or dirt, staining the surface to be cleaned, more specifically, a carpet. A description of the nozzle device containing the drum brush assembly is given in Japanese Patent Publication No. 4132529, German Patent Publication No. 196060406 and Korean Patent Publication No. 10-2004-0075569. The described nozzle device comprises a drum brush rotatably connected to the body of the vacuum cleaner, so that it knocks dust or dirt from the surface to be cleaned into its dust inlet, allowing the brush to erase dust or dirt from the surface to be cleaned. The drum brush is driven by a motor installed in the nozzle device, or by the kinetic energy of the drawn air. The brush element or blade protruding from the outer peripheral surface of the drum brush inflicts a tangential impact on dust when it comes into contact with it during rotation. When the drum brush strikes a portion of the surface to be cleaned with dust or dirt, dust or dirt detaches and separates from that area and draws it into the nozzle device.

However, only with a drum brush it is impossible to completely separate such dirt as hair, wool, or the like, which adheres firmly to the surface being cleaned, in particular to the surface of the carpet. Despite the fact that the drum brush strikes or scrapes the surface being cleaned during rotation, this scraping force is not enough to separate the dirt from it. If thin and long dirt, such as hair, wool, or the like, is wound around the pile or fibers of a carpet, then it is not easy to separate from the carpet. In this case, the inconvenience is that to clean the carpet, the consumer must sequentially remove thin and long dirt from the carpet or clean the carpet again using a cleaning tool, such as a comb or similar device.

SUMMARY OF THE INVENTION

One aspect of the present invention is the elimination of at least the above problems and / or disadvantages and providing at least the following advantages. Accordingly, one aspect of the present invention is to provide a vacuum cleaner nozzle device for cleaning hair or pet hair, as well as dust or dirt that adheres firmly to a surface to be cleaned.

Another aspect of the present invention is to provide a vacuum cleaner nozzle device comprising an auxiliary brush configured to selectively come into contact or not come into contact with a surface to be cleaned, depending on the need for its use.

Another aspect of this invention is the creation of a nozzle device for a vacuum cleaner containing an auxiliary brush that is convenient to use, maintain and repair.

Another aspect of the present invention is to provide a nozzle assembly for a vacuum cleaner comprising an auxiliary brush configured to make good contact with a surface to be cleaned, even if the surface is curved or irregular.

In accordance with an aspect of the present invention, a vacuum cleaner nozzle device comprises a housing, a drum brush assembly located in a nozzle device housing and comprising a drum brush disposed to clean dirt or dust adhering to a surface to be cleaned when it rotates into contact with it, and an auxiliary brush assembly located on the body of the nozzle device or drum brush assembly and comprising an auxiliary brush for preliminary cleaning of dust or dirt adhering to the surface to be cleaned and. When using the auxiliary brush assembly located on the body of the nozzle device or the drum brush assembly that preliminarily cleans dust or dirt, this nozzle device can effectively remove dirt, especially hair or the like, from the surface being cleaned, in particular from the carpet.

In this case, it is preferable, but not necessary, that the auxiliary brush assembly is rotatably attached to the nozzle body or the drum brush assembly to provide selective retention of the state of entering or not coming into contact with the surface being cleaned. Thus, when cleaning the floor, carpet or blanket, the auxiliary brush assembly can be used selectively.

According to an exemplary embodiment of the present invention, the auxiliary brush assembly may be located on the nozzle body and may comprise an auxiliary brush element for selectively maintaining a state in which the auxiliary brush element comes into contact with a surface to be cleaned, or a state in which the auxiliary brush element is not at least one holder comes into contact with the surface to be cleaned, one side of which is attached to the body of the nozzle device, and at least m D one connecting element providing a connection of the brush holder and the auxiliary member. In this case, the connecting element can be rotatably attached to the holder and the auxiliary brush element.

The auxiliary brush assembly may further comprise at least one guide element for connecting the auxiliary brush element and the holder. The holder may have at least one guide groove into which one end of the guide element can be inserted so as to move it in this groove to change the position of the auxiliary brush element.

In addition, the auxiliary brush assembly may further comprise at least one anti-rotation part restricting the rotation of the connecting element. In this case, the anti-rotation part can be made with a hook that limits the rotation of the connecting element in the direction of the surface being cleaned, and a stopper located on the holder and restricts the rotation of the connecting element in the opposite direction.

The auxiliary brush element may include an auxiliary brush casing rotatably connected to the connecting element and an auxiliary brush attached to the casing to selectively maintain a state of entry or not coming into contact with the surface being cleaned. In this case, the auxiliary brush may be removably attached to the casing of the auxiliary brush and may include protrusions protruding from its surface facing the surface being cleaned.

In accordance with another aspect of the present invention, the vacuum cleaner nozzle device comprises left and right parts of the holder protruding forward from both sides of the front surface of the drum brush assembly, wherein the auxiliary brush can be attached to the left and right parts of the holder.

In an illustrative embodiment of the present invention, the auxiliary brush assembly may structurally comprise a frame member rotatably connected to the drum brush assembly, an upper casing surrounding the upper part of the frame element, a lower casing connected to the upper casing to cover the lower part of the frame element, and an auxiliary element brushes, removably attached to the lower surface of the lower casing. The upper and lower casings can be made with the possibility of both moving up and down, and rotation.

The frame element may comprise a frame body, at least one pin extending downward from the lower end of the main part, a frame axis extending on both sides of the housing, and uneven portions located respectively on both ends of the frame axis.

In the left and right parts of the holder in the horizontal direction, elongated holes can be made. In this case, the nozzle device may further comprise first elastic elements inserted into elongated holes and eccentric elements connected to uneven portions of the frame element.

At least one key may protrude from the inner walls of the elongated holes, and accordingly, at least one keyway can be made on the eccentric elements. With this solution, the eccentric elements can move in the horizontal direction relative to the rotational movement of the frame element. At least one sleeve may be formed in the lower casing so as to accommodate the pin of the frame element, and a second elastic element may be located in this sleeve.

In accordance with another aspect of the present invention, the vacuum cleaner nozzle device comprises a locking assembly located on a drum brush assembly for selectively securing an auxiliary brush assembly on it. Accordingly, the auxiliary brush assembly, when temporarily not in use, can be rotated from the operating position to the inoperative position by means of a locking assembly and secured in the operational position when it is used.

In addition, the drum brush assembly may comprise a drum brush and a surrounding casing thereof, wherein the auxiliary brush assembly may be shaped to allow connection or separation from the drum brush casing.

The locking assembly may comprise a hook element for locking the auxiliary brush assembly and a spring for clamping the hook element in an upward direction, wherein the auxiliary brush assembly may comprise an auxiliary brush housing, a panel attached to a lower end of the auxiliary brush housing, and an auxiliary brush attached to the lower end of the panel, while the casing of the auxiliary brush can be selectively attached with locking to the hook element of the locking assembly.

In addition, this panel can be made with the possibility of elastic movement up and down and with the possibility of rotation. To this end, the panel may comprise bushings made on its upper surface, each bush comprising a spring located therein and supporting axes made at both ends thereof with the possibility of supporting the elongated holes made in the casing of the auxiliary brush with rotation. The auxiliary brush may comprise protrusions protruding from its lower surface.

The casing of the drum brush may also comprise at least one holder located thereon, the casing of the auxiliary brush may comprise at least one console rotatably connected to the holder, and the holder may be configured to mount or separate from the drum brush on the casing .

Also, the drum brush casing may comprise at least one sliding guide located thereon, and the holder may have at least one sliding guide groove connected to this guide.

In accordance with another aspect of the present invention, the auxiliary brush assembly is configured such that the panel is movably backward, forward, and horizontally with respect to the auxiliary brush housing. For this purpose, the auxiliary brush assembly may comprise at least one hinge bracket located between the panel and the auxiliary casing, which allows the panel to be hinged to the auxiliary brush casing and, accordingly, to move the panel in a horizontal direction relative to the auxiliary brush casing. The hinge bracket may have a housing attached to a sleeve formed on the lower surface of the casing of the auxiliary brush, and a connecting element having at least one connecting link pivotally attached to the housing and panel with hinged screws. With this method, it is preferable, but not necessary, that each of the hinge screws comprises a protruding portion supported to rotate at one of the pivot holes provided at both ends of the connecting link, the screw portions being screwed to the panel or housing.

The auxiliary brush may include a garbage collector attached to the bottom surface of the panel and made of wool, cloth or cloth with a pile. In this method, it is preferable, but not necessary, that the garbage collector is configured such that the pile portion has a texture that is inclined in one direction, for example, to a drum brush assembly. In this case, in the manufacture for fine-tuning the texture of the pile, the first installation part can be located between the panel and the garbage collector to accurately install the garbage collector relative to the panel, and the second installation part can be located between the auxiliary brush casing and the panel for fine installation of the panel relative to the auxiliary brush casing. Preferably, but not necessarily, the first installation part comprises a protrusion made on the side of the lower surface of the panel, and the accommodating protrusion groove is made on the garbage collector to accommodate the protrusion, while the second installation part contains at least two ribs made on the lower surface of the casing of the auxiliary brush, these two ribs are placed at different distances from the center of the casing of the auxiliary brush, and at least two containing ribs of the cavity are made on the upper surface of the panel in accordance with these ribs E for accommodating them.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and / or other objectives, properties and advantages of some illustrative embodiments of the present invention will be more apparent from the following description with reference to the accompanying drawings, in which:

figure 1 is a perspective view of the nozzle of a vacuum cleaner in accordance with a first illustrative embodiment of the present invention;

figure 2 is a perspective view in the diagonal direction of the lower surface of the nozzle device shown in figure 1;

figure 3 is a perspective view of only the node of the auxiliary brush of the nozzle device shown in figure 1;

FIG. 4 is a view of another example of protrusions of the auxiliary brush of the auxiliary brush assembly shown in FIG. 1;

figure 5 is a view of another example of the protrusions of the auxiliary brush node of the auxiliary brush shown in figure 1;

FIG. 6 is a sectional view of a hook preventing rotation of a portion of the auxiliary brush assembly shown in FIG. 1;

FIG. 7 is a sectional view of another example of the hook shown in FIG. 6;

Fig. 8 is a view of only the auxiliary brush element, the right holder element and the right connecting element of the auxiliary brush assembly of the nozzle device shown in Fig. 1, when the auxiliary brush element of the auxiliary brush assembly is folded, wherein the auxiliary brush element is schematically shown so that the guide is visible element and second pivot axis;

Fig.9 is a side view of the nozzle device shown in Fig.1, with the folded element of the auxiliary brush;

figure 10 is a view only of the element of the auxiliary brush, the right element of the holder and the right connecting element of the node of the auxiliary brush of the nozzle device shown in figure 1, when the element of the auxiliary brush is in the folded state;

11 is a side view of the nozzle device shown in figure 1, when the element of the auxiliary brush is in the unfolded state;

12 is a perspective view of a nozzle assembly of a vacuum cleaner in accordance with a second illustrative embodiment of the present invention;

Fig.13 is a perspective view of the nozzle device shown in Fig.12, from which the upper casing of the auxiliary brush assembly has been removed;

FIG. 14 is a side view of the cleaning position, that is, in the use position of the auxiliary brush assembly of the nozzle device shown in FIG. 12, in which it comes into contact with the surface being cleaned;

FIG. 15 is a schematic cross-sectional view illustrating the operation of the left and right parts of the nozzle device holder when the auxiliary brush assembly of the nozzle device is in the position shown in FIG. 14;

FIG. 16 is a schematic cross-sectional view of the left and right parts of the holder when the auxiliary brush assembly is rotated by an angle of approximately 45 ° from the use position shown in FIG. 14;

FIG. 17 is a side view illustrating an inoperative position, that is, a position in which the auxiliary brush assembly of the nozzle device shown in FIG. 12 is not used, in which it is rotated through an angle of approximately 90 ° to the surface to be cleaned;

Fig. 18 is a schematic cross-sectional view illustrating the operation of the left and right parts of the nozzle device holder when the auxiliary brush assembly of the nozzle device is in the position shown in Fig. 17;

Fig is a perspective view of the device nozzles of a vacuum cleaner in accordance with a third illustrative embodiment of the present invention;

Fig.20 is a perspective view of the nozzle device taken along line XX-XX shown in Fig.19;

Fig.21 is a cross-sectional view of the nozzle device taken along the line XXI-XXI shown in Fig.19;

Fig.22 is a perspective view of the nozzle device shown in Fig.19, in which the auxiliary brush assembly is rotated located above the drum brush housing (inoperative position);

FIG. 23 is a perspective view of the nozzle device shown in FIG. 19, in which the auxiliary brush assembly is separated from the drum brush assembly and disassembled;

24 is a perspective view of a nozzle assembly of a vacuum cleaner in accordance with a fourth illustrative embodiment of the present invention;

Fig.25 is a perspective view of the nozzle device shown in Fig.24, in which the auxiliary brush assembly is rotated and located above the drum brush housing (inoperative position);

figa, 26B and 26C are views of a partial section illustrating the operation of the nozzle device shown in Fig.24;

Fig.27 is a perspective view of the lower surface of the nozzle device shown in Fig.24;

Fig.28 is a perspective view of the lower surface of the casing of the auxiliary brush assembly of the auxiliary brush of the nozzle device shown in Fig.27;

Fig.29 is a perspective view of the upper surface of the auxiliary brush assembly of the auxiliary brush of the nozzle device shown in Fig.27;

FIG. 30 is a partial sectional view of a garbage collector attached to a lower surface of an auxiliary brush shown in FIG. 29;

Fig is a perspective view of a hinge bracket that pivotally connects the auxiliary brush, shown in Fig.27, to the casing of the auxiliary brush;

Fig is a perspective view of the hinge bracket shown in Fig, and

FIG. 33 is a perspective view of a hinge screw that pivotally attaches a connecting link of the hinge bracket shown in FIG. 32.

DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS

The following is a detailed description of the nozzle of a vacuum cleaner in accordance with illustrative embodiments of the present invention with reference to the accompanying drawings.

(First Embodiment)

Turning to FIGS. 1-3, a nozzle device 1 is shown in accordance with a first illustrative embodiment of the present invention. The nozzle device 1 comprises a nozzle device body 2, a drum brush assembly 5 and an auxiliary brush assembly 10.

The housing 2 of the nozzle device contains a housing 3 of the housing, which has an air duct (not shown) connected to the dust inlet hole 7 (see FIG. 2) made in the drum brush assembly 5. Accordingly, when a vacuum motor (not shown) installed in the vacuum cleaner body (not shown) creates a suction force, dust or dirt is drawn in through the dust inlet 7 through the air inlet and passes into the vacuum cleaner body into the rear of the nozzle body 2 through the body duct 2. In addition, in the casing 3 of the casing, there may be a turbine driven by a retractable air or a drive motor (not shown), which drives the drum brush 28. In the back of the casing 3 of the casing is installed on a pair of wheels 4, contributing to the movement of the device 1 nozzles. On the casing 3 of the housing next to one of the pair of wheels 4 is a lever 8, which provides an inclination of the vacuum cleaner body, which is attached to the back of the nozzle device 1. 1, reference numeral 9 denotes a height adjusting button. Since the structures of the lever and the height-adjusting buttons are similar to conventional structures, their detailed description is omitted.

The drum brush assembly 5 comprises a drum brush casing 26 and a drum brush 28.

The casing 26 of the drum brush can be made integral with the casing 3 of the housing or separately from it, while inside it contains a drum brush 28. On the lower surface of the casing 26 of the drum brush there is a dust inlet 7 designed to draw dust or dirt together with air . Across the dust-inlet hole 7, ribs 6 are made which prevent a shred of a blanket or fabric along with the contaminated air with dust or dirt being drawn through the dust-inlet hole 7 into the vacuum cleaner body.

The drum brush 28, when it comes into contact with the surface being cleaned, strikes it tangentially and thus cleans the brush of dust or dirt adhering to the surface being cleaned. To this end, the drum brush 28 is rotatably disposed within the dust-inlet opening 7 of the housing casing 3. To bring into rotation the drum brush 28 may be attached to a turbine or a drive motor of the housing casing 3, as described above.

An auxiliary brush assembly 10 is mounted in front of the housing casing 3 so as to pre-clean dust or dirt adhering to the surface to be cleaned in front of the drum brush 28. Preferably, but not necessarily, the auxiliary brush assembly 10 is rotatably mounted relative to the housing casing 3.

In accordance with FIG. 3, the auxiliary brush assembly 10 comprises an auxiliary brush element 11, left and right holder elements 13 and 14, and left and right connecting links 15 and 16.

An auxiliary brush element 11, consisting of a casing 11a and an auxiliary brush 30, scrapes the surface to be cleaned, in particular a carpet or the like, to separate dust or dirt, in particular the hair or hair of a pet, entangled with the carpet.

The casing 11a of the auxiliary brush of approximately rectangular profile has a handle 12 on its upper side (see FIG. 1), which is mounted so that the consumer can exert a force on the element 11 of the auxiliary brush and thus fold and unfold it. The casing 11a of the auxiliary brush may be of various shapes or made of various materials depending on the purpose of the application. The casing 11a of the auxiliary brush on both sides contains a pair of guide elements 25 (see Fig. 8, which shows only the right guide element), for example guide rollers. A pair of guide elements is inserted into the left and right guide grooves 23 (only the right guide groove is shown), made respectively on the inner side surfaces 13b and 14b of the left and right elements 13 and 14 of the holder so that they direct the movement of bringing into the folded and unfolded state of the element 11 auxiliary brush.

The auxiliary brush 30 is attached to the lower surface of the casing 11a and has protrusions 30a on its lower surface so that they can scrape a carpet or the like to separate hair or wool tangled with the carpet. Each of the protrusions 30a is made in the form of a rectangular parallelepiped and protrudes to the surface being cleaned from the auxiliary brush 30. Alternatively, instead of the shape of a rectangular parallelepiped, each of the protrusions can have a cylindrical shape 30b, as shown in Fig. 4, or a spherical shape 30c, which is made that the end end in contact with the surface being cleaned is supported by a cylinder protruding from the auxiliary brush 30 and rounded so that its diameter exceeds the diameter of the cylinder, as shown in FIG. In addition, in an illustrative embodiment of the present invention, the auxiliary brush 30 and the protrusions 30a are made of elastic rubber. The auxiliary brush 30 is detachably attached to the lower surface of the casing 11a of the auxiliary brush. Accordingly, during maintenance, since after use only the auxiliary brush 30 soiled with dust or dirt can be separated and cleaned from the casing 11a, it is not difficult to maintain and repair the auxiliary brush 30.

The left and right elements 13 and 14 of the holder are attached to both sides of the front of the casing 3 of the housing and support the element 11 of the auxiliary brush to ensure that it is rotated at a certain angle relative to the housing 2 of the nozzle device. Structurally, the left and right elements 13 and 14 of the holder are solved identically. In accordance with figure 2 and 3, the left and right elements 13 and 14 of the holder are connected respectively to the left and right front parts of the casing 3 of the housing so that they are symmetrically relative to each other at an intermediate position of the element 11 of the auxiliary brush between them. Thus, since the left and right elements of the holder 13 and 14 have the same structure, only the right element 14 of the holder will be discussed in detail below.

In the inner side surface 14b of the right holder element 14, a right guide slot 23 is made which directs the rotational movement of the auxiliary brush element 11. The guide element 25 mounted on the casing 11a of the auxiliary brush is inserted into the right guide groove 23. When the guide element 25 is located in the upper part 23a of the right guide groove 23, the element 11 of the auxiliary brush comes into a folded state, that is, a state in which it is approximately perpendicular the surface to be cleaned (see Fig. 8). When the guide element 25 is located in the lower part 23b of the right guide groove 23, the auxiliary brush element 11 enters the unfolded state, that is, the state in which it is parallel to the surface being cleaned (see FIG. 10).

Also on the right element 14 of the holder is installed anti-rotation part, which contains the stopper 14a and the hook 21 and provides restriction of the pivoting movement of the right link 16.

The stopper 14a limits the angle at which the right link 16 pivots upward and protrudes a predetermined distance from the inner side surface 14b of the right holder member 14, so that the right link 16 does not extend outward.

The hook 21 restricts the downward rotation of the right link 16 and is made on the inner side surface 14b of the right holder member 14, so that the right link 16 can tilt upward and extend along the top of the hook 21 when the consumer applies force to the auxiliary brush element 11. As shown in Fig.6, the hook 21 is made in such a way that part of the right holder element 14 is cut off and partially protrudes from the right holder element 14. If the consumer grabs the handle 12, made on the casing 11a of the auxiliary brush, and then lifts it up, then the right link 16 is rotated clockwise, as shown by arrow B in Fig. 8, making contact with the inner side surface 14b of the right element 14 holder. After turning at a certain angle, the right link 16 pushes down the hook 21 while lifting up the inclined section 21a of the hook 21, as shown in Fig.6. As a result, as shown by the dashed line in FIG. 6, the part of the right holder element 14 on which the hook 21 is made is bent so that the right link 16 intersects the hook 21 from above. After this, the stopper 14a blocks the right link 16, stopping its movement, and the curved section of the right element 14 of the holder returns to its original position due to its own elastic force.

7 illustrates another example of a hook. The hook 121 is movably inserted into the through hole 115 made in the right holder element 14 and is connected to the support protrusion 114c made in the right holder element 14 by means of a spring 124. That is, the spring 124 is supported on one side around the support protrusion 114c and attached thereto, and attached to the hook 121 on the other side. Accordingly, the spring 124 elastically acts on the hook 121 in the direction in which it exits from the through hole 115 made in the right element 14 of the holder. Thus, if the element 16 of the right link rises up and passes along the hook 121, the hook 121 moves into the right element 14 of the holder so that the spring 124 is brought into a compressed state. After that, when the right link 16 passes by the hook 121, the hook 121 returns to its original position by the elastic force of the spring 124.

With reference to FIGS. 3 and 10, it is evident that the elastic element 22 is mounted on the first hinge axis 19, which connects the right link 16 with the right element 14 of the holder (see Fig. 10). The elastic element 22 presses the right link 16 in a counterclockwise direction (see arrow A in FIG. 10). Accordingly, if the right link 16 is located between the stopper 14a and the hook 21, the right link 16 is rotated in the counterclockwise direction by the elastic member 22, but cannot be turned in the opposite direction (in the direction opposite to the arrow A in FIG. 10) only by its own weight, since it is suspended on the vertical part 21b of the hook 21. In this case, a coil spring, a torsion spring or the like can be used as the elastic element 22.

The left and right links 15 and 16, which connect the auxiliary brush element 11 and, respectively, the left and right holder elements 13 and 14, are mounted so that both ends are pivotally attached to the auxiliary brush element 11 and, respectively, to the left and right holder elements 13 and 14 . That is, the right link 16 is rotatably attached at its one end to the first pivot axis 19 mounted on the lower end of the right-hand holder element 14 in the direction of the nozzle body 2, and is rotatably attached at its other end to the second pivot axis 20 mounted about guide element 25 (see Fig. 8). In addition, the right link 16 is designed so that when the consumer presses the handle 12 down with his hand or foot, it can rise and go through the hook 21. The left link 15 has the same design as the right link 16.

Next, with reference to FIGS. 3 and 8-11, a detailed description is given of the operation of the nozzle device 1 of the above construction in accordance with a first illustrative embodiment of the present invention.

If the consumer wants to clean the carpet, he presses down with his hand or foot on the handle 12 (see figure 1) mounted on the element 11 of the auxiliary brush. In this case, the left and right links 15 and 16 are rotated counterclockwise (see arrow A) relative to the first hinge axis 19, as shown in FIG. 10. Thus, when the user presses the handle 12, the left and right links 15 and 16 intersect the vertical parts 21b of the hooks 21 and move. Since the left and right links 15 and 16 are turned down, as described above, the auxiliary brush element 11 is brought into a folded state, as shown in FIGS. 10 and 11. Thus, after the left and right links 15 and 16 intersect the hooks 21, they rotate counterclockwise under the action of their own weight and elastic force of the element 22, which presses them, even though the user does not apply additional force to the handle. Moreover, when the guide elements 25 mounted on both sides of the auxiliary brush element 11 are moved down along the left and right guide grooves 23 made on the left and right holder elements 13 and 14, and then are located in the lower part 23b of the left and right guide grooves 23, the auxiliary brush element 11 comes into a fully folded state, as shown in FIGS. 10 and 11. That is, the auxiliary brush element 11 comes into a state in which it occupies a position approximately parallel to the cleaning surface. surfaces, that is, parallel to the carpet, using the left and right links 15 and 16 and the left and right grooves 23 that guide the elements 25. In addition, since the elastic element 22 presses the left and right links 15 and 16, the auxiliary brush element 11 is supported in a state in which he presses on the carpet with some effort, while the friction force arising between the lower part of the element 11 and the carpet is kept constant.

In this state, if the consumer moves the nozzle device 1, the auxiliary brush 30, mounted below the auxiliary brush casing 11a, scrapes the carpet when it comes in contact with the carpet with some pressure and thus separates dust or dirt, such as hair, pet hair or the like confused with the carpet. Then the separated dust or dirt is drawn into the vacuum cleaner body through the dust inlet hole 7 of the housing casing 3.

In the case of completion of carpet cleaning or in the absence of the need to use the element 11 of the auxiliary brush, it is maintained in a folded state. If the consumer needs to fold the element 11 of the auxiliary brush, he pushes up the handle 12 with his hand or foot (see figure 1). Then the left and right links 15 and 16 are moved clockwise, as shown by arrow B in FIG. 8, relative to the first hinge axis 19, and the guide elements 25 are moved clockwise along the left and right guide grooves 23. As a result, the auxiliary brush element 11 begins to come into a folded state. When the left and right links 15 and 16 are continuously moving clockwise so as to intersect the hooks 21, the auxiliary brush element 11 comes into a fully folded state. That is, after lifting the left and right links 15 and 16 and passing through the hooks 21, the auxiliary brush element 11 comes into a state in which it occupies a position approximately perpendicular to the surface being cleaned, that is, the carpet, and the guide elements 25 are located in the upper parts 23a left and right guide grooves 23. In this state, the nozzle device 1 according to the first illustrative embodiment of the present invention removes dust or dirt using only the drum brush 28, like the usual oh device nozzles.

(Second Embodiment)

12 is a perspective view of a vacuum cleaner nozzle apparatus 1 ′ in accordance with a second illustrative embodiment of the present invention. FIG. 13 is a perspective view of the nozzle device 1 ′ shown in FIG. 12, in which the upper casing 132 of the auxiliary brush assembly 110 is removed and in which the left and right parts 180 of the holder are partially cut so that the lower casing 140 and the frame member 150 shown in detail.

According to FIGS. 12 and 13, the vacuum cleaner nozzle device 1 ′ according to the second illustrative embodiment of the present invention comprises a nozzle device body 2, a drum brush assembly 5, a holder left and right parts 180, eccentric elements 170, first elastic elements 172 and an auxiliary assembly 110 brushes. In this case, since the structures of the housing 2 and the auxiliary brush assembly 5 are similar to the structures of the nozzle device 1 of the first embodiment, their detailed descriptions are omitted hereinafter.

The left and right parts 180 of the holder protrude forward into the front parts, respectively, on both sides of the casing 26 of the drum brush, while they support the node 110 of the auxiliary brush. The left and right parts 180 of the holder are made in one piece with the casing 26 of the drum brush, however, as an option, the left and right parts 180 can be made separately from the casing 26. With reference to Fig.13 and 15 it is seen that in the left and right parts 180 of the holder, respectively, holes 182 of elongated shape are made, into which both ends of the axis 154 of the frame of the auxiliary brush assembly 110 are respectively inserted. The holes 182 are made with elongation in the upper and lower directions, with each of them having a first elastic element 172 and an eccentric element 170. The first elastic elements 172 are attached to the ends of the inner walls of the holes 182 of elongated shape so as to exert pressure on the eccentric elements 170, respectively In accordance with Fig. 15, upper and lower guide grooves 187 and 189 are made in each of the inner walls of the elongated holes 182 at 180 ° intervals. In the upper and lower guide grooves 187 and 189 are installed with responsibly upper tongue 185 and the upper coil spring 197 and the lower keyway 186 and the lower coil spring 199. The upper coil spring 197 and lower coil spring 199 is pressed the key top 185 and bottom 186 corresponding to the key hole 182 of elongate shape. Thus, when the eccentric elements 170 move upward, the upper keys 185 are additionally inserted into the upper guide grooves 187 by means of the eccentric elements 170, which compress the upper coil springs 197, and the lower keys 186 are further removed from the lower guide grooves 189 under the pressure of the lower coil springs 199 Otherwise, when the eccentric elements 170 move downward, the upper keys 185 are further removed from the upper guide grooves 187 under the influence of their own weight and pressure. of the coil springs 197, and the lower key 186 is further introduced into the lower guide grooves 189 by the pressure of the eccentric members 170, providing the lower compression coil springs 199.

In accordance with FIGS. 13 and 15, each of the eccentric elements 170 has a cylindrical shape, with one side of this element being flat and the other side having depressions P1, protrusions P2 and inclined portions S connecting the depressions P1 and protrusions P2 made according to periphery, like one side of each of the uneven sections 158 of the axis 154 of the frame. One side of the eccentric element 170 is in contact with the corresponding elastic element 172, and the other side of the eccentric element 170 is engaged with the corresponding uneven portion 158 of the axis 154 of the frame. On the outer peripheral surface of each eccentric element 170 in the longitudinal direction at an angle of 180 °, there are two keyways 174, into which the upper and lower keys 185 and 186 respectively are inserted. The keys 185 and 186 and the keyways 174 are respectively engaged in order to limit the rotation of the eccentric elements 170, even when rotating uneven sections 158. As a result, the eccentric elements 170 do not rotate, but move in the horizontal direction, since the inclined sections S of the eccentric O elements 170 slide on the uneven portions 158.

The drum brush 28 is located next to the dust-inlet hole 7 in the casing 26 of the drum brush (see Fig. 12). Accordingly, when the drum brush is driven into rotation, the blade or brush element formed on the outer peripheral surface of the drum brush 28 scrape the surface to be cleaned.

In accordance with FIG. 12, the auxiliary brush assembly 110 is mounted so as to be connected to the left and right parts 180 of the holder. That is, the auxiliary brush assembly 110 is pivotably attached to the drum brush casing 26 in its front so that it preliminarily cleans dust or dirt from the surface to be cleaned in front of the drum brush 28. In accordance with FIGS. 12 and 13, the auxiliary brush assembly 110 comprises an upper casing 132, a lower casing 140, a frame member 150, an auxiliary brush 190, and second elastic members 144.

The upper and lower casings 132 and 140 are connected to each other with the placement of the frame element 150 between them so as to cover the axis 154 of the frame element 150. Accordingly, the upper and lower casings 132 and 140 rotate and move together with the axis 154 (see Fig.13 and 15). In accordance with Fig. 12, a handle 112 is located in front of the upper surface of the upper casing 132. In accordance with Fig. 13, there are three bushings 142 in the lower casing in which three elastic elements 144 are mounted.

In accordance with FIGS. 13 and 15, the frame member 150 comprises a housing 152, pins 151, an axis 154, and uneven portions 158. As shown in FIG. 13, the frame housing 152 forms the middle part of the member 150 to which the axis 154 is connected as a unit. and pins 151 frames. The pins 151 of the frame are made so that the three pins are in the form of a cylinder and protrude downward from the lower surface of the housing 152. The pins 151 are inserted into the bushings 142 of the lower casing 140 so that they compress the second elastic elements 144 installed in the bushings 142. Accordingly, the weight of the element 150 the frame and the upper casing 132 through elastic elements is transmitted to the lower casing 140, and thus, the auxiliary brush 190, located on the lower surface of the lower casing 140, scrapes off dust or dirt adhering to the surface being cleaned when pressed onto the surface to be cleaned rhnost with some effort. An axis 154 extends on both sides of the frame body 152, respectively, at which both ends have irregular sections 158. The uneven sections 158 are inserted into the elongated holes 182 of the left and right parts 180 of the holder so that they can accordingly rotate while engaging with eccentric elements 170 and move in holes 182 of elongated shape.

The auxiliary brush 190 is made of rubber and removably mounted on the lower surface of the lower casing 140. In accordance with FIG. 13, the auxiliary brush 190 has many protrusions 193.

Next, with reference to Figs.

Figures 14 and 15 show the operating state of the auxiliary brush assembly 110 in which it comes into contact with the surface being cleaned. When the auxiliary brush 190 of the assembly 110 comes into close contact with the surface to be cleaned for cleaning the latter, as shown in FIG. 14, it scrapes the surface to be cleaned while exerting some pressure on it due to the weight of the frame member 150 and the upper casing 132, which are located above the auxiliary brush 190. Dust or dirt, such as hair or the like adhering to the surface to be cleaned, is previously scraped off by the auxiliary brush assembly 110 in front of the drum brush 28 (see FIG. 12), then they are again scattered drum brush 28, mounted in its casing 26, and are drawn through the dust inlet hole 7. Thus, the axis 154 of the frame and the eccentric elements 170 inserted into the holes 182 of an elongated shape, are inclined to the lower surface 183 of the inner walls of the holes 182. In addition, the upper keys 185, mounted in the upper guide grooves 187, are pulled out of them by the upper coil springs 197, and the lower keys 186 are additionally inserted into the guide grooves 189 due to the weight of the eccentric elements 170, so that they compress the lower coil springs s 199. In addition, the first elastic elements 172 are in an expanded state, while the uneven sections 158 and the eccentric elements 170 are mutually fixed in a state in which the depressions P1 and protrusions P2 engage with each other. Since the eccentric elements 170 cannot be rotated, the axis 154 of the frame does not rotate until an external force is applied to it. Accordingly, the auxiliary brush assembly 110 does not rotate, but is maintained in a state in which it comes into contact with the surface being cleaned. In this case, the length L is the diameter of the holes 182 of elongated shape.

If the consumer grabs the handle 112 of the upper casing 132, and then rotates the auxiliary brush assembly 110 through an angle of 45 ° in the direction of arrow C shown in FIG. 14, then the frame axis 154 and uneven portions 158 rotate in the same direction. However, since the upper and lower keys 185 and 186 limit the rotation of the eccentric elements 170, the inclined sections S of the eccentric elements 170 slide along the inclined sections S of the uneven sections 158, and thus the depressions P1 and the protrusions P2 come into contact with each other as shown in FIG. .16. As a result, the eccentric elements 170 move to the height of the protrusions P2 of the uneven portions 158 in the direction of the arrow A ′ shown in FIG. 16, providing compression of the first elastic elements 172. Since the upper casing 132 and the frame element 150 pressing the lower casing 140 also tilt approximately at an angle of 45 °, the frame element 150 is slightly raised in the elongated holes 182 under the action of pressure forces of the second elastic elements 144 mounted in bushings 142 (see FIG. 13) that press pins 151. The eccentric members 170, which are engaged with the frame member 150, are also raised to the same height.

Upon further rotation of the auxiliary brush assembly 110 to a vertical position, as shown in FIG. 17, the first elastic elements 172 move the eccentric elements 170 in the direction of arrow B ', while the eccentric elements 170 and uneven sections 158 are attached to each other in the holes 182 of the elongated shapes as shown in FIG. Since the depressions P1 of the eccentric elements 170 and the protrusions P2 of the uneven sections 158 are engaged with each other, and the eccentric elements 170 are not rotated due to the presence of the upper and lower keys 185, the uneven sections 158 that are engaged with the eccentric elements 170 are also not rotated because no external force is applied to them. As soon as the auxiliary brush assembly 110 reaches an almost vertical position, the weight applied by the upper casing 132 and the frame member 150 to the lower casing 140 ceases to work. As a result, the eccentric elements 170 and uneven sections 158 come into close contact with the upper surfaces 181 of the inner walls 181 of the holes 182 182 elongated by means of the first elastic elements 144 installed in the bushings 142 of the lower casing 140.

(Third Embodiment)

Figs. 19-23 are views of a device 1 ″ of a nozzle of a vacuum cleaner in accordance with a third illustrative embodiment of the present invention.

In accordance with FIG. 19, the nozzle device 1 ″ according to the third embodiment comprises a nozzle device body 2, an auxiliary brush assembly 5, left and right holders 240, a locking assembly 260, and an auxiliary brush assembly 210. In this case, since the structures of the housing 2 and the assembly 5 are similar to their structures in the nozzle devices 1 and 1 'of the first and second embodiments, their detailed description is omitted.

The drum brush casing 26 comprises two slide guides 226 (see FIG. 23) located on both sides in its front part, and a mounting gap 221 (see FIG. 20) located in the middle of its front part. The left and right holders 240 are respectively mounted in the slide guides 226, and the locking element 260 is installed in the mounting gap 221. As shown in FIG. 21, the slide guides 226 are inserted into the sliding grooves 244 of the left and right holders 240 so that they are connected to the left and right holders 240. That is, when the slide guides 226 are inserted into the sliding grooves 244 of the left and right holders 240 and are moved in the longitudinal direction of the slide guides 226, the left and right holders are mounted on the drum brush casing 26. When the slide guides 226 are moved from the position in the opposite direction to the installation direction, the left and right holders 240 are separated from the drum brush casing 26. Accordingly, with such a constructive decision to install the left and right holders 240 on the casing 26 of the drum brush or to separate them from it is not difficult. Alternatively, after the left and right holders 240 are mounted on the drum brush casing 26 by means of slide guides 226 and slide grooves 244, they can be attached to the casing 26 with screws (not shown) or hooks (not shown). In this case, when loosening the screws or locking them with hooks, the left and right holders 240 can be removed from the drum brush housing, and repair or replacement of the auxiliary unit 210 is possible.

In accordance with Figs. 21 and 23, each of the left and right holders 240 is made with a mounting groove 241, a sliding groove 244 and a spring 242. As described above, left and right holders 240 are mounted on the drum brush casing 26, to which two are respectively attached console 278 of the casing 232 of the auxiliary brush. The mounting groove 241 is made in the longitudinal direction from one side of each of the left and right holders 240. A spring 242 is located in the mounting groove 241. In addition, the axis 284 of the auxiliary brush casing 232 is inserted and located in the mounting groove 241.

On the upper and lower sides of each of the left and right holders 240, a guide groove 244 is made in the longitudinal direction into which the slide guide 226 is inserted. The spring 242 is installed in the mounting groove 241 of the holder 240, into which the axis 284 of the auxiliary brush housing 232 is inserted. That is, the spring 242 is attached with one side to each holder 240, and the other side is attached to the console 278. As shown in Fig. 22, the spring 242 acts elastically on the auxiliary brush casing 232 in an upward direction, that is, in the direction of rotation thereof to the upper the end of the casing 26 of the drum brush.

In accordance with FIGS. 19 and 20, a locking assembly 260 is located in the mounting gap 221 of the auxiliary brush casing 232, which includes a hook 262 and a spring 264. To move up and down, the hook 262 has a protrusion protruding outward, that is, a button 266, and in its lower part, the holding part 263. The holding part 263 is engaged with the locking part 282 of the auxiliary brush casing 232. At the bottom of the mounting gap 221 is a spring 264 that acts on the hook 262 in an upward direction.

In accordance with FIGS. 19-21, the auxiliary brush assembly 210 includes a case 232, a panel 274, and an auxiliary brush 276.

The auxiliary brush casing 232 contains two consoles 278 protruding upwardly from both sides of its upper surface, and the consoles 278 contain axes 284 (see FIG. 23), made integrally with one of its ends and protruding horizontally from them. The springs 242 mounted respectively in the left and right holders 240, elastically act on the console 278 in the upward direction. In accordance with Fig.20 and 21, the casing 232 of the auxiliary brush contains pins 290, protruding downward from its lower surface.

In accordance with FIGS. 19-21, a panel 274 is attached to the lower end of the casing 232 of the auxiliary brush so that it can elastically move up or down to rotate. On its upper surface, the panel 274 has bushings 292, in each of which a spring 294 is installed, and also pins 290 of the auxiliary brush casing 232 are inserted, to which the springs 294 act respectively upward. In addition, as shown in FIG. 19, axes 286 of the panel 274 are inserted into the openings 280 of elongated shape on both side surfaces of the casing 232 with the possibility of rotation of the panel 274 relative to the casing 232 of the auxiliary brush. Therefore, even with a curved or uneven surface being cleaned, the panel 274 exerts some pressure on the surface being cleaned, while it can elastically move up and down and rotate. In the middle of the upper surface of the casing 232 of the auxiliary brush, a locking part 282 is made, which is fastened with locking to the holding part 263 of the hook 262.

In accordance with FIGS. 20 and 21, the auxiliary brush 276 for elasticizing it is made of rubber and comprises protrusions 288 protruding downward from its lower surface. Each of the protrusions 288 may have a different shape, for example, the shape of a cylinder, an oval with a rounded end, etc. Protrusions 288 scrape off the hair or coat of pets attached to the surface being cleaned, ensuring that they are separated from it and scattered in all directions. The auxiliary brush 276 is attached to the bottom surface of the panel 274, but since the panel 274 is movable up and down, and also rotatable relative to the casing 232, the auxiliary brush 276 can move up and down and rotate relative to the casing 232 of the auxiliary brush.

Next, with reference to FIGS. 19-23, a detailed description of the operation of the device 1 ″ of the nozzle of a vacuum cleaner in accordance with a third embodiment of the present invention.

If the consumer wants to use the auxiliary brush unit 210 to clean the area of the blanket or carpet from such adhering dirt as the hair or hair of the pet, he or she presses the auxiliary brush unit 210 with the hand or foot, overcoming the elastic resistance of the spring 242, so that the auxiliary unit 210 the brushes could come into contact with the surface being cleaned, as shown in FIG. In this case, the locking part 282 of the casing 232 is fixed on the holding part 263 of the hook 262. As a result, the auxiliary brush assembly 210 is attached in the working position to the drum brush assembly 5 by the locking assembly 260. Thus, the consumer advances the nozzle device 1 ″ so that the protrusions 288 auxiliary brush 276 comes into contact with a surface to be cleaned, such as a carpet, for scraping dirt from it, such as hair or wool tangled with the carpet, and first separating this dirt from it, while the drum brush 28 beats barks around the carpet again to spread dirt in all directions and, accordingly, to draw it through the dust intake hole 7. Since the bushings 292 of the panel 274 and the pins 290 of the casing 232 of the auxiliary brush are resiliently connected to each other, and the axis 286 of the panel are movably connected and turning to the openings 280 of the elongated shape of the casing 232, the panel 274 scrape the carpet with elastic movement up and down, as well as turning relative to the casing 232 and, thus, makes good contact with the carpet.

If the consumer temporarily does not want to use the auxiliary brush assembly 210, he presses the button 266 of the hook 262 down and thereby releases the connection between the locking part 282 of the auxiliary brush casing 232 and the holding part 263 of the hook 262. The auxiliary brush assembly 210 separated from the assembly 5 drum brush moves to the upper part of the casing 26 of the drum brush under the action of the elastic force of the spring 242 installed in the left and right holders 240, as shown in Fig.22 (idle position). Until the consumer again pushes down the auxiliary brush assembly 210, the assembly 210 is held in the idle position shown in FIG. 22 by the elastic force of the spring 242 mounted in the left and right holders 240.

During prolonged downtime of the auxiliary brush assembly 210, or its maintenance or repair, the consumer moves the left and right holders 240 horizontally to the slide rails 266 to remove the auxiliary brush assembly 210 from the drum brush assembly 5. The removed assembly 210 is stored separately, and only the drum brush 28 is used for cleaning. In order to mount the auxiliary brush assembly 210 again on the drum brush casing 26, the user inserts the slide guides 226 into the sliding grooves 244 of the left and right holders 240, and then moves the assembly 210 auxiliary brushes in the direction opposite to the dismantling direction.

(Fourth Embodiment)

24-33 show a vacuum cleaner nozzle apparatus 1 ″ in accordance with a fourth embodiment of the present invention.

According to FIG. 24, the device 1 ″ ”of the fourth embodiment comprises a nozzle device body 2, a drum brush assembly 5, left and right holders 240, a locking assembly 260, and an auxiliary brush assembly 310. Since the design of the nozzle device 1 ″ ″ according to the fourth embodiment, with the exception of the auxiliary brush assembly 310, is similar to the design of the nozzle device 1 ″ according to the third embodiment, its detailed description is omitted.

According to FIGS. 24 and 25, the auxiliary brush assembly 310 includes an auxiliary brush casing 372, a panel 374, and an auxiliary brush 376.

The casing 372 auxiliary brushes contains two consoles 278, obliquely protruding upwards from both sides of its upper surface and mounted with the possibility of rotation in the left and right holders 240. Springs installed respectively in the right and left holders 240, provide elastic impact on the console 278 in the up direction . In addition, as shown in FIG. 28, the auxiliary brush casing 372 includes two locking bushings 373 formed on both sides of its lower surface to secure the first and second articulated brackets 380 (one shown in FIGS. 26A-26C and 31), which will be discussed below.

As shown in figa-26C, the panel 374 is configured to move back and forth, as well as in the horizontal direction relative to the casing 372 auxiliary brushes. For this purpose, between the two lateral ends of the panel 374 and the auxiliary brush casing 372, there are first and second hinge brackets 380 for pivotally attaching the panel 374 to the casing 372. In accordance with FIGS. 31 and 32, each of the first and second hinge brackets 380 has a housing 381 and a connecting element 385. In the middle part of the housing 381, a through hole 384 is made into which a screw 383 is inserted, attached to the corresponding fixing sleeve 373 of the auxiliary brush case 372.

In addition, the housing 381 contains two screw holes (not shown) made in a direction perpendicular to the through hole 384 on either side of it. In these screw holes, the screw parts 388b of the articulated screws 388 are fixed, which, respectively, will be discussed below. Element 385 is made of two connecting links 386, each of which at both ends has two hinge holes 387, and rotatably attached by two hinge screws 388. As shown in FIG. 33, each of the hinge screws 388 has a protruding portion 388a, which relies on the possibility of rotation on one of the holes 387 of the link 386, and the screw section 388b is screwed into one of the holes 375 for the screws (see Fig. 29) of the panel 374 or one of the holes for the screws of the housing 381. As shown in Fig. 29, holes 3 are made at both ends of panel 374 75 for screws. Accordingly, as shown in FIGS. 26A-26C, when the user moves the housing 2 of the nozzle device 1 ″ ″ back and forth, each of the links 386 of the connecting element 385 of the first and second hinge brackets 380 at both ends rotates to the housing 381 and the panel 374 and thus, the panel and the auxiliary brush attached thereto can be moved back and forth, as well as in the horizontal direction.

The auxiliary brush 376 is made with a garbage collector 377 attached to the bottom surface of the panel 374. Garbage collector 377 may be made of wool, fabric or pile material. As shown in FIG. 30, the garbage collector 377 is preferably configured so that its pile portion 378 has a texture that is inclined in one direction, for example, toward the drum brush assembly 5, to allow dust or dirt to be scraped off to the assembly 5 when the housing 2 of the device 1 “″” nozzles are pulled in the direction of arrow A ″, as shown in FIG.

In this case, in order to precisely install the texture of the pile section 378 during manufacture, the first installation part 390 is placed between the panel 374 and the garbage collector 377 for the exact installation of the garbage collector 377 relative to the panel 374 (see Fig. 27), and the second installation part 395 is placed between the casing 372 auxiliary brushes and panel 374 for the exact installation of the panel 374 relative to the casing 372 auxiliary brushes (see Fig.28 and 29). As shown in FIG. 27, the first mounting portion 390 is preferably made in the form of a protrusion 392 and an accommodating protrusion of the groove 391. The protrusion 392 is made on the side of the lower surface of the panel 374, and the groove 391 providing the accommodating protrusion 392 is made on the garbage collector 377. As shown in 28 and 29, the second mounting part 395 is preferably made of two ribs 396 and two containing ribs of the cavities 397. Two ribs 396 on the lower surface of the auxiliary brush housing 372 are made with different distances from the center of the housing 372, and two cavities 397 on top the surface of the panel 374 is made in harmony with the ribs 396 to ensure their accommodation.

Thus, in the manufacture after alignment of the protrusion 392 of the panel 347 with the grooves 391 and the introduction of these protrusions therein, the garbage collector 377 is attached to the lower surface of the panel 374. Then, after aligning the ribs 396 of the casing 372 of the auxiliary brush with cavities 397 and accommodating these ribs, the panel 374 is attached to the casing 372. In this case, the assembly of the garbage collector 377, the panel 374 and the casing 372 is performed so that the texture of the pile section 378 of the garbage collector 377 is inclined to the drum brush assembly 5.

The operation of the device 1 ″ ″ of the nozzle of the vacuum cleaner in accordance with the fourth embodiment is constructed similarly to the above operation of the device 1 ″ of the nozzle of the third embodiment with reference to FIGS. 19-23, except that when the housing 2 of the device of the nozzle 1 ″ is pulled in the direction of arrow A ″, as shown in FIG. 26A, the garbage collector 377 scrapes off dust or dirt, allowing it to move and scatter towards the drum brush assembly 5 (i.e., in the direction of arrow A ’), and when the housing 2 1 '' 'nozzle devices advance towards arrows B ″, as shown in FIG. 26C, the garbage collector 377 does not push dust or dirt out of the housing 2 (i.e., in the direction of arrow B ’). Accordingly, a description of the operation of the device 1 ″ ″ of the nozzle of the vacuum cleaner in accordance with the fourth embodiment is omitted.

As evident from the above description, in accordance with illustrative embodiments of the present invention, the vacuum cleaner nozzle assembly comprises an auxiliary brush assembly located in front of the drum brush assembly. Thus, the auxiliary brush assembly pre-scrapes dust or dirt, in particular the hair or hair of pets, which does not separate well enough from the surface being cleaned. The drum brush assembly then secondarily cleans and scatters scraped off dust or dirt that must be drawn into the nozzle assembly, thereby improving the cleaning efficiency of dust or dirt, such as hair or pet hair.

In addition, the nozzle device of the vacuum cleaner in accordance with illustrative embodiments of the present invention is configured such that the auxiliary brush assembly is pivotally attached to the nozzle device body or drum brush assembly, thereby enabling the auxiliary brush to selectively or not come into contact with the surface being cleaned for example with a carpet or the like, depending on the need for its use. Therefore, the nozzle device in accordance with illustrative embodiments of the present invention can increase the service life of the auxiliary brush. In addition, as an option, the auxiliary brush assembly can be turned into an idle state and then operated in a rotating state only by pressing a button, which makes it convenient to use this nozzle device.

Further, the vacuum cleaner nozzle device in accordance with illustrative embodiments of the present invention is configured such that the auxiliary brush assembly can be mounted or removed from the drum brush housing by engaging or separating the holders from the slide rails. Accordingly, this circumstance determines the convenience of mounting the auxiliary brush assembly on the drum brush casing or dismantling this assembly from the drum brush casing.

In addition, the nozzle device of the vacuum cleaner in accordance with illustrative embodiments of the present invention is configured so that the auxiliary brush has elastic mobility up and down, as well as the ability to rotate or move in the horizontal direction relative to the casing of the auxiliary brush. Thus, when the auxiliary brush is in working condition, in which it comes into contact with the surface being cleaned, it always carries out scrubbing with a certain amount of pressure, which allows it in any case to scrape the surface to be cleaned in the desired contact area, even if the surface to be cleaned is curved or has irregularities, and thus improves the efficiency of cleaning dust or dirt, such as hair or pet hair.

In addition, if the auxiliary brush is made with a garbage collector having a texture with an inclination in one direction, that is, towards the drum brush assembly, then it does not push dust or dirt outward when the nozzle device is moved forward and, thereby, prevents dust or dirt from spreading. and her admission when cleaning the respiratory organs of others.

Also, if the auxiliary brush casing and the panel respectively comprise ribs and cavities containing the ribs, and the panel and the garbage collector respectively comprise a protrusion and a groove containing the protrusion, it is easy to assemble the auxiliary brush casing and the panel respectively with the panel and the garbage collector.

Although illustrative embodiments of the present invention have been shown and described to illustrate its principles, the present invention is not limited to specific embodiments. Specialists in the art should understand that it is possible to make various modifications and changes without deviating from the essence and scope of legal protection of this invention as defined in the attached claims. Thus, it should be borne in mind that such modifications, changes, as well as their equivalents, all fall within the scope of the legal protection of this invention.

Claims (39)

1. The device nozzles of a vacuum cleaner containing:
case
a drum brush assembly located in the housing and comprising a drum brush arranged to remove dirt or dust adhering to the surface being cleaned when it comes into contact with it during rotation, and
an auxiliary brush assembly located on a housing or on a drum brush assembly and rotatably coupled either to a nozzle device housing or a drum brush assembly for selectively maintaining a state in which the auxiliary brush assembly comes into contact with a surface being cleaned, or a state in which the auxiliary brush assembly does not come into contact with the surface being cleaned, and comprising:
an auxiliary brush that preliminarily cleans dust or dirt adhering to the surface to be cleaned before it is removed with a drum brush,
an auxiliary brush element providing selective maintenance of a state in which said element comes into contact with a surface to be cleaned, or a state in which said element does not come in contact with a surface to be cleaned,
at least one holder element, one side of which is attached to the body of the nozzle device,
at least one connecting element for connecting the holder element to the auxiliary brush element, and
at least one guide element mounted on the auxiliary brush element and providing connection of the auxiliary brush element and said at least one holder element to change the position of the auxiliary brush element when moving the guide element. 2. The nozzle device according to claim 1, wherein said at least one connecting element is rotatably connected to said at least one holder element and an auxiliary brush element. 3. The nozzle device according to claim 1, wherein said at least one holder element comprises at least one guide groove formed therein, wherein one end of said at least one guide element is inserted into said at least one guide groove. 4. The nozzle device according to claim 2, in which the auxiliary brush assembly further comprises at least one anti-rotation part for restricting the rotation of said at least one connecting element. 5. The nozzle device according to claim 4, in which the anti-rotation part comprises a hook that provides rotation restriction of the at least one connecting element in the direction of the surface to be cleaned, and a stopper that restricts the rotation of the at least one connecting element in the opposite direction to the surface to be cleaned, which are located on the specified at least one element of the holder. 6. The nozzle device according to claim 5, in which the auxiliary brush assembly further comprises an elastic element configured to advance said at least one connecting element in the direction of the surface being cleaned. 7. The nozzle device according to claim 1, in which the element of the auxiliary brush contains
an auxiliary brush casing rotatably coupled to said at least one connecting element, and
an auxiliary brush attached to the casing of the auxiliary brush to selectively maintain a state in which the auxiliary brush comes into contact with the surface being cleaned, or a state in which the auxiliary brush does not come in contact with the surface to be cleaned. 8. The nozzle device according to claim 7, in which the auxiliary brush is removably attached to the casing of the auxiliary brush. 9. The nozzle device of claim 8, in which the auxiliary brush contains protrusions protruding from its surface facing the surface being cleaned. 10. The nozzle device according to claim 9, in which each protrusion is made in the form of a rectangular parallelepiped. 11. The nozzle device of claim 10, in which each protrusion is made of a material having elasticity. 12. The nozzle device according to claim 9, in which each protrusion is made so that its end end coming into contact with the surface being cleaned is rounded. 13. The nozzle device according to item 12, in which each protrusion is made of a material having elasticity. 14. A vacuum cleaner nozzle device comprising:
case
a drum brush assembly located in the housing and comprising a drum brush arranged to remove dirt or dust adhering to the surface being cleaned when it comes into contact with it during rotation, and
an auxiliary brush assembly located on a housing or on a drum brush assembly and rotatably coupled either to a nozzle device housing or a drum brush assembly for selectively maintaining a state in which the auxiliary brush assembly comes into contact with a surface being cleaned, or a state in which the auxiliary brush assembly does not come into contact with the surface being cleaned, and comprising:
an auxiliary brush that preliminarily cleans dust or dirt adhering to the surface to be cleaned before it is removed with a drum brush,
a frame member rotatably connected to the drum brush assembly,
an upper casing surrounding the upper part of the frame element,
lower casing, which is connected to the upper casing to ensure coverage of the lower part of the frame element and to the lower surface of which an auxiliary brush is removably connected. 15. The nozzle device according to 14, further comprising:
the left and right parts of the holder protruding forward from both sides of the front surface of the drum brush assembly, wherein the auxiliary brush assembly is attached to the left and right parts of the holder. 16. The nozzle device according to clause 15, in which the upper and lower casings are made with the possibility of moving up and down, as well as rotation. 17. The nozzle device according to clause 15, in which the frame element contains:
frame body
at least one frame pin extending downward from the lower end of the frame body,
a frame axis protruding to both sides of the frame body, and
uneven sections located, respectively, at both ends of the frame axis. 18. The nozzle device according to 17, in which the left and right parts of the holder have elongated holes made in them, respectively, in the horizontal direction, and further comprising:
first elastic elements inserted, respectively, into the holes of elongated shape, and
eccentric elements connected, respectively, with uneven sections of the frame element. 19. The nozzle device according to claim 18, wherein at least one key protrudes from the inner walls of the elongated holes, and at least one keyway is respectively formed on the eccentric elements, and
in which the eccentric elements move horizontally relative to the rotational movement of the frame element. 20. The nozzle device according to clause 16, further comprising at least one sleeve made in the lower casing to ensure that the pin of the frame element is placed in it, while at least one second elastic element is located in this sleeve. 21. The device nozzles of a vacuum cleaner containing:
case
a drum brush assembly located in the housing and comprising a drum brush arranged to remove dirt or dust adhering to the surface being cleaned when it comes into contact with it during rotation, and
an auxiliary brush assembly located on the housing or on the drum brush assembly and rotatably connected to the nozzle body or the drum brush assembly for selectively maintaining a state in which the auxiliary brush assembly comes into contact with a surface being cleaned, or a state in which the auxiliary brush assembly the brush does not come in contact with the surface being cleaned, and containing:
an auxiliary brush that preliminarily cleans dust or dirt adhering to the surface to be cleaned before being removed with a drum brush
auxiliary brush casing, and
a panel that is attached to the lower end of the casing of the auxiliary brush and to the lower end of which is attached an auxiliary brush, and
a locking assembly located on the assembly of the drum brush, providing selective fixing of the assembly of the auxiliary brush thereon and comprising:
a hook for locking the sub-brush assembly, and
spring, providing a clip of the hook in the upward direction. 22. The nozzle device according to item 21, in which the drum brush assembly comprises a drum brush and a casing surrounding it, and in which the auxiliary brush assembly is shaped to allow it to be connected or disconnected from the drum brush casing. 23. The nozzle device according to item 21, in which the casing of the auxiliary brush is made with the possibility of attachment with locking to the hook of the locking node. 24. The nozzle device according to item 21, in which the panel is made with the possibility of elastic movement up and down and with the possibility of rotation. 25. The nozzle device according to paragraph 24, in which the panel contains:
bushings made on its upper surface, each sleeve comprising a spring located therein, and
supporting axes made at its both ends with the possibility of support with rotation in the holes of elongated shape made in the casing of the auxiliary brush. 26. The nozzle device according to item 21, in which the auxiliary brush contains protrusions protruding from its lower surface. 27. The nozzle device according to item 21, in which the panel is arranged to move back and forth and in a horizontal direction relative to the casing of the auxiliary brush. 28. A device for a vacuum cleaner nozzle, comprising:
case
a drum brush assembly located in the housing and comprising a drum brush arranged to remove dirt or dust adhering to the surface being cleaned when it comes into contact with it during rotation, and
an auxiliary brush assembly located on a housing or on a drum brush assembly and rotatably coupled either to a nozzle device housing or a drum brush assembly for selectively maintaining a state in which the auxiliary brush assembly comes into contact with a surface being cleaned, or a state in which the auxiliary brush assembly does not come in contact with the surface to be cleaned, and containing an auxiliary brush that previously cleans dust or dirt adhering to the surface to be cleaned before it is removed Araban brush, with
the drum brush assembly includes a casing surrounding the drum brush, and the auxiliary brush assembly has a casing provided with at least one holder located on the auxiliary brush and at least one casing console rotatably connected to the holder, and a panel that is attached to the lower end of the casing and to the lower end of which an auxiliary brush is attached. 29. The nozzle device according to claim 28, wherein said at least one holder is configured to install or separate a drum brush on a casing. 30. The nozzle device according to clause 29, in which the drum brush casing contains at least one sliding guide located on it, and said at least one holder contains at least one sliding guide groove connected to said at least one guide. 31. The nozzle device according to claim 28, in which the panel is arranged to move back and forth and in a horizontal direction relative to the casing of the auxiliary brush. 32. The nozzle device according to p. 31, in which the node of the auxiliary brush further comprises at least one hinge bracket located between the panel and the casing of the auxiliary brush and providing articulation of the panel to the casing of the auxiliary brush and, accordingly, moving the panel in a horizontal direction relative to the casing auxiliary brush. 33. The nozzle device according to claim 32, wherein said at least one hinge bracket comprises:
a housing attached to a fixing sleeve made on the lower surface of the casing of the auxiliary brush, and
a connecting element having at least one connecting link pivotally attached to the specified body and panel by articulated screws. 34. The nozzle device according to p, in which each of the hinge screws contains:
a protruding portion rotatably supported in one of the holes for articulation made at both ends of the connecting link, and
screw sections screwed to a panel or enclosure. 35. The nozzle device according to item 21, in which the auxiliary brush contains a garbage collector attached to the bottom surface of the panel, and the specified garbage collector is made of material selected from the group comprising wool, cloth or cloth with pile. 36. The nozzle device according to clause 35, in which the garbage collector is made so that its pile section has a texture with an inclination in one direction. 37. The nozzle device according to clause 36, further comprising:
the first installation part located between the panel and
a scavenger for accurately positioning the scavenger relative to the panel, and
the second mounting part located between the casing of the auxiliary brush and the panel for accurate installation of the panel relative to the casing of the auxiliary brush. 38. The nozzle device according to clause 37, in which the first installation part contains:
a protrusion made on the side of the lower surface of the panel, and
a groove for accommodating the protrusion made on the garbage collector with ensuring placement of the protrusion. 39. The nozzle device according to clause 37, in which the second installation part contains:
at least two ribs made on the lower surface of the casing of the auxiliary brush, and these two ribs are spaced at different distances from the center of the casing of the auxiliary brush, and
at least two cavities for accommodating the ribs, made on the upper surface of the panel in coordination with these ribs to ensure their placement.

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