KR101741922B1 - A cleaning device - Google Patents

A cleaning device Download PDF

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Publication number
KR101741922B1
KR101741922B1 KR1020150159497A KR20150159497A KR101741922B1 KR 101741922 B1 KR101741922 B1 KR 101741922B1 KR 1020150159497 A KR1020150159497 A KR 1020150159497A KR 20150159497 A KR20150159497 A KR 20150159497A KR 101741922 B1 KR101741922 B1 KR 101741922B1
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KR
South Korea
Prior art keywords
unit
nozzle
cleaning
flow path
washing water
Prior art date
Application number
KR1020150159497A
Other languages
Korean (ko)
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KR20170056760A (en
Inventor
김건중
김원섭
Original Assignee
에스케이매직 주식회사
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Priority to KR1020150159497A priority Critical patent/KR101741922B1/en
Publication of KR20170056760A publication Critical patent/KR20170056760A/en
Application granted granted Critical
Publication of KR101741922B1 publication Critical patent/KR101741922B1/en

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/005—Devices adding disinfecting or deodorising agents to the bowl

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Molecular Biology (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device having a nozzle tip of a bidet including a path for cleaning pottery, and more particularly, to a cleaning device for cleaning a bidet including a pottery cleaning flow path capable of effectively removing secretions, A cleaning apparatus having a nozzle tip, comprising: a main body unit (3000) provided with wash water; (1000, 2000) connected to the main body unit (3000) while having nozzle tip units (1200, 2200) provided with vortex forming units (1400, 2300) and spraying a part of the wash water into a vortex; And a separate flow path in which sterilizing or washing water is injected into the inside of the toilet is provided. Therefore, by using a move motor included in the sub-cleaning nozzle, Since the sterilizing or washing water is sprayed while moving to the center, there is a strong point that the washing water can be uniformly applied to the entire inner surface of the toilet.

Description

A cleaning device

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device having a nozzle tip of a bidet including a path for cleaning pottery, and more particularly, to a cleaning device for cleaning a bidet including a pottery cleaning flow path capable of effectively removing secretions, To a cleaning apparatus having a nozzle tip.

In a bidet, which is a device for cleaning the local and anus after the user has used the toilet, the wash water supplied through the water supply valve is stored in a storage container inside the bidet.

Conventionally, the cleaning water as shown in FIG. 1 is cleaned with a nozzle for local cleaning and a nozzle 20 for cleaning the subject.

On the other hand, if the toilet in the toilet is not washed down once after using the toilet, the toilet may be fixed to the inner wall of the toilet, thereby creating an unclean hygiene state, or the water in the toilet constantly accumulates, In order to solve this problem, a bidet provided with a spray nozzle 10 for spraying sterilized water or a washing liquid is provided in the bidet.

Such a conventional technique includes a disinfecting water injection nozzle 10 capable of spraying sterile water into a toilet and is attached to the side of the nozzle 20 assembly to sterilize or clean the inside of the toilet, As the parts are added, there is a problem that the space inside the bidet becomes narrow and the assembly and processing costs of the product increase.

On the other hand, there is a problem that a complicated flow path is formed inside the bidet due to the hose connected to the pottery washing nozzle, and thus the defective nozzle of the bidet product easily occurs.

Korean Patent No. 1,518,863 discloses a toilet seat provided with a sterilizing water injection device.

As shown in FIG. 14, since the spray nozzle fixed inside the bidet injects the washing water locally only to the same portion inside the toilet, there is a problem that the toilet stuck to the entire toilet can not be removed.

(Patent Document 1) KR1518863 B1

(Patent Document 1) KR2010-0109344 A

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a method and apparatus for cleaning a pottery which is capable of spraying eddy- The object of the present invention is to provide a nozzle tip of a bidet.

In order to solve the above problems, the present invention provides a washing machine comprising: a main body unit 3000 provided with washing water; (1000, 2000) connected to the main body unit (3000) while having nozzle tip units (1200, 2200) provided with vortex forming units (1400, 2300) and spraying a part of the wash water into a vortex; And a cleaning device.

At least one passage of the washing water provided from the main body unit 3000 is provided in the nozzle units 1000 and 2000. A plurality of nozzles 1000 and 2000 are provided on the side surfaces of the nozzle tip units 1200 and 2200, The vortex forming units 1400 and 2300 are provided with nozzle holes 1310, 1320, 2211 and 2212 which are fluidly connected to the flow paths 3310 and 3400 to discharge the washing water. 2200), and is connected to the second flow path (3320), which is another one of the flow paths, in fluid communication so as to discharge a part of the washing water as a vortex.

The first flow path includes a first cleaning flow path 3400 for supplying the cleaning water to the first nozzle opening 1310 formed in the nozzle tip unit 1200; And a second cleaning flow path 3310 for supplying the cleaning water to the second nozzle opening 1320 formed between the vortex forming unit 1400 and the first nozzle opening 1310. [ .

The vortex forming unit 1400 includes a discharge port 1430 formed at the center of the front portion 1450; A flange portion 1440 protruded to have a height along the outer peripheral surface of the front portion 1450; And protrusions 1410 and 1420 protruding from the front portion 1450 and opposed to each other with the discharge port 1430 interposed therebetween. The protrusions 1410 and 1420 protrude from the discharge port 1430 formed adjacent the first end 1411, 1423; A second end portion 1413, 1421 formed adjacent to the flange portion 1440 than the discharge port 1430; Curved portions 1412 and 1422 formed by bending a predetermined curvature from the discharge port 1430 toward the flange portion 1440 while connecting the first end portions 1411 and 1423 to the second end portions 1413 and 1421; May be provided.

In addition, the discharge port 1430, the first end portions 1411 and 1423, and the second end portions 1413 and 1421 may include a cleaning device formed in a straight line.

Further, the vortex forming unit 2300 may include a case unit 2330 having an inner side opened and a left side opened; A nozzle core unit 2310 inserted into the case unit 2330; A connection unit 2320 connecting the case unit 2330 and the nozzle tip unit 2200; And a nozzle cap unit 2340 for closing an end of the case unit 2330. [

The nozzle core unit 2310 may include a cleaning device in which a curved path 2312 curved in a curved shape on the outer circumferential surface is formed along the longitudinal direction on the outer circumferential surface of the nozzle core unit 2310.

The present invention as described above has the following effects.

First, since the local cleaning nozzle includes a vortex generating structure and includes a separate flow path for injecting sterilization or washing water into the toilet, the nozzle is moved to the center of the toilet by using the move motor included in the sub cleaning nozzle, So that the washing water can be uniformly applied to the entire surface of the inner wall of the toilet.

Second, since a conventional local cleaning nozzle can be used instead of installing a separate pottery cleaning nozzle inside the bidet, a space inside the bidet can be secured.

Third, since the parts to be used are simplified, there is an effect of reducing the labor cost of the product.

Figure 1 is a prior art.
2 is an overall perspective view according to a first preferred embodiment of the present invention.
3 is a front view of a first vortex forming unit according to a first preferred embodiment of the present invention.
FIG. 4A is a top view of a first nozzle tip unit according to a first preferred embodiment of the present invention, FIG. 4B is a sectional view of CC 'and B-B''in FIG. 4 (c) is a cross-sectional view of a first nozzle tip unit according to a first preferred embodiment of the present invention.
5 is a cross-sectional view of a first nozzle tip unit according to a first preferred embodiment of the present invention.
6 is an exploded perspective view of a first vortex forming unit and a first nozzle tip unit according to a first preferred embodiment of the present invention.
FIG. 7 is a top view of a nozzle unit according to a second preferred embodiment of the present invention, FIG. 8 is a sectional view taken along the line D-D 'in FIG. 7, and FIG. 9 is a sectional view taken along the line EE' of FIG.
10 is an exploded perspective view of a second nozzle tip unit and a second vortex forming unit according to a second preferred embodiment of the present invention.
Figure 11 shows the cleaning range of a toilet according to preferred embodiments of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, the definitions of these terms should be described based on the contents throughout this specification.

≪ Embodiment 1 >

The cleaning apparatus according to the first preferred embodiment of the present invention largely comprises the nozzle unit 1000 and the main unit 3000 of the first embodiment.

The main body unit 3000 is provided with a drive unit 3100 for driving the nozzle unit 1000 of the first embodiment and the drive unit 3100 may be a drive motor.

The body unit 3000 includes a body part 3200. The body part 3200 includes a transfer path for the washing water to be transferred to the nozzle unit 1000 of the first embodiment.

The washing water may be provided to the second cleaning flow path 3310, the first cleaning flow path 3400, and the second flow path 3320.

The second cleaning flow path 3310 and the first cleaning flow path 3400 and the second flow path 3320 may be formed on the opposite sides of the body part 3200.

The second cleaning flow path 3310 and the first cleaning flow path 3400 may be provided on the same side of the body portion 3200.

The nozzle unit 1000 of the first embodiment is largely formed of the housing 1100 and the first nozzle tip unit 1200.

The first nozzle tip unit 1200 is of a structure that can be connected to the housing 1100, and can also be separated.

The housing 1100 is coupled to the body portion 3200 and a second cleaning flow path 3310, a first cleaning flow path 3400 and a fluid transfer pipe extending from the second flow path 3320 are accommodated in the housing 1100 .

The first nozzle tip unit 1200 is provided with a first nozzle hole 1310 and a second nozzle hole 1320 at its side portions and a first vortex forming unit 1400 at its end.

The first cleaning flow path 3400 located inside the nozzle unit 1000 of the first embodiment is in communication with the first nozzle opening 1310 and will be described later. The second cleaning flow path 3310 is in communication with the second nozzle orifice 1320.

The first nozzle hole 1310 and the second nozzle hole 1320 are spaced apart from each other along the longitudinal direction of the nozzle unit 1000 of the first embodiment and are capable of facilitating cleaning of the anus and its surroundings by spraying wash water have.

On the other hand, the first vortex forming unit 1400 is provided at the end of the nozzle unit 1000 of the first embodiment and communicates with the second flow path 3320 to spray wash water.

The first vortex forming unit 1400 can perform cleaning of the toilet or the like using the wash water supplied from the second flow path 3320. [

More specifically, the washing water is sprayed in a vortex form when exiting the first vortex forming unit 1400.

The principle that the washing water is sprayed in a vortex form when exiting the first vortex forming unit 1400 will be described.

3 is a front view of the first vortex forming unit 1400 according to the first preferred embodiment of the present invention.

The first vortex forming unit 1400 has a discharge port 1430 formed at the center of the front portion 1450.

The flange portion 1440 protrudes along the outer circumferential surface of the front portion 1450 to have a height.

The first protrusions 1410 protrude from the front portion 1450 and are opposed to each other with the discharge port 1430 therebetween.

The first protrusion 1410 has a first end 1411 formed adjacent to the discharge port 1430 than the flange 1440.

The second end 1413 of the first protrusion 1410 is formed adjacent to the flange 1440 rather than the discharge port 1430.

The first curved portion 1412 of the first protrusion 1410 is formed by connecting the first end 1411 and the second end 1413 with a predetermined curvature in a direction from the discharge port 1430 toward the flange portion 1440.

The first protrusion 1410 and the second protrusion 1420 protrude from the front portion 1450 and are opposed to each other with the discharge port 1430 interposed therebetween.

More specifically, the second protrusion 1420 has a first end 1423 formed adjacent to the discharge port 1430 than the flange 1440.

The first end portion 1423 of the second projection portion 1420 is formed adjacent to the flange portion 1440 rather than the discharge port 1430. [

The second curved portion 1422 of the second protrusion portion is formed by connecting the second end portion 1421 and the first end portion 1423 while being bent at a predetermined curvature from the discharge port 1430 toward the flange portion 1440.

The discharge port 1430 and the first end 1411 of the first projection and the second end 1413 of the first projection, the second end 1421 of the second projection, and the first end 1423 of the second projection are Can be formed in a straight line.

4A is a top view of the first nozzle tip unit 1200 according to the first preferred embodiment of the present invention, and FIG. 4B is a cross-sectional view taken along line CC 'and B-B' 'in FIG. And FIG. 4C is a cross-sectional view of the first nozzle tip unit 1200 according to the first preferred embodiment of the present invention.

The first auxiliary flow path 3321 is formed so that the washing water discharged from the second flow path 3320 flows through the first protrusion 1410 and the second protrusion 1420 formed in the first vortex forming unit 1400 as shown in FIG. And the second auxiliary flow path 3322 is inclined so that the washing water discharged from the second flow path 3320 is directed toward the discharge port 1430 formed in the first vortex forming unit 1400, Guide.

When the first vortex forming unit 1400 is coupled to the end of the nozzle unit 1000, either one of the first protrusion 1410 and the second protrusion 1420 is connected to the first auxiliary passage 3321 or the second auxiliary passage 3322), so that vortices can be formed.

As shown in FIG. 4C, the first nozzle tip unit 1200 has a first hole 1201 through which the first cleaning channel 3400 passes, and a second hole 1201 below the first hole 1201, A second hole 1202 through which the cleaning flow path 3310 passes is formed and a third hole 1203 through which the second flow path 3320 passes is formed below the second hole 1202. [

5 is a cross-sectional view of a first nozzle tip unit 1200 according to a first preferred embodiment of the present invention.

Some of the washing water may be sprayed onto the upper side surface of the first nozzle tip unit 1200 through the first nozzle hole 1310 communicated with the first washing passage 3400 and the other part of the washing water may be sprayed onto the second washing hole 3310, To the upper side of the first nozzle tip unit 1200 through the second nozzle orifice 1320 communicated with the first nozzle tip unit 1200.

On the other hand, another part of the washing water is sent to the first vortex forming unit 1400 through the second flow path 3320 and the washing water transferred to the first vortex forming unit 1400 may be vortexed to form a vortex.

The washing water bumps into the first vortex forming unit 1400 through the second flow path 3320 and vortexes along the first protruding part 1410 and the second protruding part 1420 to form a vortex so that the vortex is finally discharged through the discharge port 1430 .

On the other hand, when the washing water is supplied to the second flow path 3320, washing water is supplied to the first auxiliary flow path 3321 and the second auxiliary flow path 3322 at the same time to form a first vortex.

The water that has passed through the first auxiliary flow path 3321 and the second auxiliary flow path 3322 can be simultaneously supplied to the first protrusion 1410 and the second protrusion 1420 to form a second vortex .

Since the washing water is discharged outside in the form of vortex through the first vortex and the second vortex formation, a wider range of washing can be easily performed when the toilet is cleaned.

Figure 11 shows the cleaning range of a toilet according to preferred embodiments of the present invention.

As can be seen from FIG. 11, the cleaning apparatus according to the first preferred embodiment of the present invention is able to uniformly and effectively clean the d2 range, compared with the conventional technique of cleaning the d1 range.

6 is an exploded perspective view of a first vortex forming unit 1400 and a first nozzle tip unit 1200 according to a first preferred embodiment of the present invention.

The first nozzle tip unit 1200 has a first nozzle hole 1310 and a second nozzle hole 1320 formed on a side surface thereof and covered by the first cover unit 1300.

The first cover unit 1300 is formed with a first nozzle hole 1310 communicating with the first nozzle hole 1310 and a second hole 1302 communicating with the second nozzle hole 1320.

The first cover unit 1300 is a detachable structure as a cap for closing the nozzle portion of the first nozzle tip unit 1200.

≪ Embodiment 2 >

Next, a nozzle unit 2000 according to a second preferred embodiment of the present invention will be described.

FIG. 7 is a top view of a nozzle unit 2000 according to a second preferred embodiment of the present invention, FIG. 8 is a sectional view taken along the line D-D 'in FIG. 7, and FIG. 9 is a sectional view taken along the line E-E' of FIG.

The first auxiliary flow path 3312 connected to the end of the first cleaning flow path 3400 provides the washing water to the first nozzle 2211.

The first nozzle 2211 is inclined to have an obtuse angle with respect to the flow direction of the washing water flowing into the first auxiliary flow path 3312.

The second auxiliary flow path 3322 is provided adjacent to the first auxiliary flow path 3312 and the end communicates with the second nozzle 2212 to spray the washing water.

The second nozzle 2212 can spray the washing water with a slope so as to have an obtuse angle with respect to the conveyance direction of the washing water proceeding to the second auxiliary passage 3322. [

9, the wash water provided from the body portion 3200 is transferred to the case unit 2330 via the connection unit 2320. [

The wash water may be transferred along the curved path 2312 while the wash water is being transferred inside the case unit 2330 as shown in FIG. 8, and may be injected into the vortex.

An inclined surface 2341 may be formed on the inner wall of the nozzle cap unit 2340.

10 is an exploded perspective view of a second nozzle tip unit 2200 and a second vortex forming unit 2300 according to a second preferred embodiment of the present invention.

More specifically, a second cover unit 2201 is mounted on the side surface of the second nozzle tip unit 2200.

A case unit 2330 is coupled to an end of the second nozzle tip unit 2200 and a nozzle cap unit 2340 is coupled to an end of the case unit 2330.

The case unit 2330 is formed so that its interior is pierced right and left.

The nozzle core unit 2310 is inserted into the case unit 2330.

The connection unit 2320 connects the case unit 2330 to the second nozzle tip unit 2200 and the nozzle cap unit 2340 closes the end of the case unit 2330.

The nozzle core unit 2310 is formed along the longitudinal direction of the nozzle core unit 2310 with a curved path 2312 curved in a curved shape on the outer peripheral surface.

Thus, the washing water flows along the curved path 2312 to form a vortex.

A space is formed between the inner wall of the case unit 2330 and the second portion 2313 by a predetermined distance.

Thus, the wash water is fluidly movable along the inner wall of the case unit 2330 and the curved path 2312 and the curved path 2312, and a vortex is formed through the curved path 2312.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It will be understood that the present invention can be changed.

1000: The nozzle unit of the first embodiment
1100: Housing
1200: first nozzle tip unit
1201: first hole
1202: second hole
1203: Third hole
1300: first cover unit
1301: First hole
1302: Second hole
1310: First nozzle hole
1320: second nozzle hole
1400: first vortex forming unit
1410: first protrusion
1411: first end of first protrusion
1412: First bend of the first protrusion
1413: the second end of the first projection
1420: second protrusion
1421: second end of the second projection
1422: second bend portion of the second projection
1423: first end of the second projection
1430:
1440: flange portion
1450: front part
2000: nozzle unit of the second embodiment
2200: second nozzle tip unit
2201: second cover unit
2211: First nozzle
2212: Second nozzle
2300: second vortex forming unit
2310: nozzle core unit
2311: First part
2312: Curved path
2313: Second part
2320: connection unit
2330: Case unit
2340: nozzle cap unit
2341: slope
3000: main body unit
3100: drive unit
3200:
3310: Second cleaning channel
3312: First auxiliary flow path
3320: Second cleaning channel
3322: Second auxiliary flow path
3400: First cleaning channel
T: toilet seat

Claims (7)

A main body unit 3000 provided with wash water;
A nozzle unit 1000 connected to the main body unit 3000 with a nozzle tip unit 1200 provided with a vortex forming unit 1400 to inject a part of the washing water into a vortex; / RTI >
The vortex forming unit 1400 includes:
A discharge port 1430 formed at the center of the front portion 1450;
A flange portion 1440 protruded to have a height along the outer peripheral surface of the front portion 1450;
And protrusions (1410, 1420) protruding from the front portion (1450) and opposed to each other with the discharge port (1430) therebetween.
Cleaning device.
The method according to claim 1,
At least one passage of the washing water provided from the main unit 3000 is provided in the nozzle unit 1000,
The nozzles 1310, 1320, 2211, and 2212, which are fluidly connected to the first flow paths 3310 and 3400 and discharge the washing water, are provided on the side surface of the nozzle tip unit 1200 ,
The vortex forming unit 1400 is provided at an end of the nozzle tip unit 1200 and is in fluid communication with a second flow path 3320 which is any one of the flow paths to discharge a part of the washing water as a vortex As a result,
Cleaning device.
3. The method of claim 2,
Wherein the first flow path includes:
A first cleaning flow path 3400 for supplying the cleaning water to the first nozzle opening 1310 formed in the nozzle tip unit 1200;
And a second cleaning flow path (3310) for supplying the cleaning water to a second nozzle opening (1320) formed between the vortex forming unit (1400) and the first nozzle opening (1310)
Cleaning device.
The method according to claim 1,
The protrusions 1410,
First ends 1411 and 1423 formed adjacent to the discharge port 1430 than the flange 1440;
A second end portion 1413, 1421 formed adjacent to the flange portion 1440 than the discharge port 1430;
Curved portions 1412 and 1422 formed by bending a predetermined curvature from the discharge port 1430 toward the flange portion 1440 while connecting the first end portions 1411 and 1423 to the second end portions 1413 and 1421; Including,
Cleaning device.
5. The method of claim 4,
The discharge port 1430 and the first end portions 1411 and 1423 and the second end portions 1413 and 1421 are formed in a straight line,
Cleaning device,
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KR1020150159497A 2015-11-13 2015-11-13 A cleaning device KR101741922B1 (en)

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KR1020150159497A KR101741922B1 (en) 2015-11-13 2015-11-13 A cleaning device

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Application Number Priority Date Filing Date Title
KR1020150159497A KR101741922B1 (en) 2015-11-13 2015-11-13 A cleaning device

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Publication Number Publication Date
KR20170056760A KR20170056760A (en) 2017-05-24
KR101741922B1 true KR101741922B1 (en) 2017-05-31

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KR1020150159497A KR101741922B1 (en) 2015-11-13 2015-11-13 A cleaning device

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011012732A (en) * 2009-07-01 2011-01-20 Honda Motor Co Ltd Hydraulic tensioner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011012732A (en) * 2009-07-01 2011-01-20 Honda Motor Co Ltd Hydraulic tensioner

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