KR20040029222A - lift in drum type washing machine - Google Patents

lift in drum type washing machine Download PDF

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Publication number
KR20040029222A
KR20040029222A KR1020020058183A KR20020058183A KR20040029222A KR 20040029222 A KR20040029222 A KR 20040029222A KR 1020020058183 A KR1020020058183 A KR 1020020058183A KR 20020058183 A KR20020058183 A KR 20020058183A KR 20040029222 A KR20040029222 A KR 20040029222A
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KR
South Korea
Prior art keywords
lift
drum
laundry
washing
washing machine
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KR1020020058183A
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Korean (ko)
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KR100451747B1 (en
Inventor
우경철
김준우
이태희
서현석
김진웅
오수영
Original Assignee
엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR10-2002-0058183A priority Critical patent/KR100451747B1/en
Priority to US10/669,430 priority patent/US20040118168A1/en
Publication of KR20040029222A publication Critical patent/KR20040029222A/en
Application granted granted Critical
Publication of KR100451747B1 publication Critical patent/KR100451747B1/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

PURPOSE: A lift for a drum washing machine is provided to improve washing efficiency by injecting water efficiently with increasing the fall of the laundry, and to reduce washing hours by forming an outer lift and an inner lift in a drum with the double structure. CONSTITUTION: A drum washing machine comprises a cylindrical drum(20) containing the laundry; plural outer lifts(11) installed circumferentially in the drum and spaced from each other; inner lifts(12) embedded in the outer lifts and moved in and out of the outer lifts in rotating the drum to inject washing water; a rotating shaft(70) combined with the drum to transmit rotational force of a motor(30) to the drum through a belt(50) and rotate the drum; and a tub supporting the rotating shaft and storing washing water. Plural holes are formed in the inner lifts to supply washing water to the laundry evenly and quickly. Washing efficiency improves by lifting the laundry up and down with enlarging the side area of the lift when the inner lift moves out of the outer lift.

Description

드럼세탁기의 리프트{lift in drum type washing machine}Lift in drum type washing machine

본 발명은 드럼세탁기에 관한 것으로서, 더욱 상세하게는 드럼세탁기의 리프트에 관한 것이다.The present invention relates to a drum washing machine, and more particularly to a lift of the drum washing machine.

일반적으로 드럼세탁기는 세제와 세탁수 및 세탁물이 드럼 내에 투입된 상태에서, 모터부의 구동력을 전달받아 회전하는 드럼과 세탁물과의 마찰력을 이용하여 세탁을 행하는 방식으로서, 세탁물의 손상이 적고 세탁물이 잘 엉키지 않으며 두드리고 비벼빠는 세탁효과를 낼 수 있도록 한 것이다.In general, the drum washing machine is a method of washing by using the friction force between the rotating drum and the laundry by receiving the driving force of the motor unit in the state in which detergent, washing water, and laundry are put in the drum. It is a tapping and rubbing bar to make a laundry effect.

이하, 종래기술에 따른 드럼세탁기를 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, the drum washing machine according to the prior art will be described in detail with reference to the accompanying drawings.

도 1은 종래기술에 따른 드럼세탁기를 개략적으로 도시한 측단면도이고, 도 2는 도 1의 리프트(1)를 도시한 확대사시도이다.Figure 1 is a side cross-sectional view schematically showing a drum washing machine according to the prior art, Figure 2 is an enlarged perspective view showing the lift 1 of FIG.

도 1에 도시된 바와 같이, 종래기술에 따른 드럼세탁기는 세탁물을 세탁하기 위해 내면에 복수의 리프트(1)를 형성하고 있는 드럼(2)과, 상기 드럼(2)으로 모터(3)의 회전력을 벨트(5)를 통해 전달하여 드럼(2)을 회전시키기 위해 드럼(2)에 결합되는 회전축(7)과, 상기 회전축(7)을 지지하는 동시에 세탁수를 저장할 수 있도록 드럼(2) 외측으로 결합되는 터브(8)를 포함하여 구성된다.As shown in FIG. 1, the drum washing machine according to the related art has a drum 2 having a plurality of lifts 1 formed on an inner surface thereof for washing laundry, and a rotational force of the motor 3 with the drum 2. To the rotary shaft (7) coupled to the drum (2) to rotate the drum (2) by passing through the belt (5), the drum (2) outside to support the rotary shaft (7) and to store the wash water It is configured to include a tub (8) coupled to.

여기서, 도 2에 도시된 바와 같이, 상기 리프트(1)는 단면이 등각사다리꼴 형상이고, 상기 회전축(7)과 평행한 일자형으로 형성되어 있다.Here, as shown in FIG. 2, the lift 1 has an equilateral trapezoidal cross section, and is formed in a straight line parallel to the rotation axis 7.

상기와 같이 구성된 종래기술에 따른 드럼세탁기의 작용을 설명하면 다음과 같다.Referring to the operation of the drum washing machine according to the prior art configured as described above are as follows.

먼저, 드럼세탁기의 드럼(2)에 세탁물을 투입한 뒤 시작버튼을 누르면 급수가 이루어지는 동시에 모터(3)에 전원이 인가된다.First, after the laundry is put into the drum 2 of the drum washing machine and the start button is pressed, water is supplied and power is applied to the motor 3.

그리고, 상기 모터(3)에 전원이 인가되면 회전을 하게 되고 상기의 회전력은 구동풀리(4)와 벨트(5) 및 종동풀리(6)에 의한 전동체계에 의해 회전축(7)까지 도달되면서 회전축(7)을 회전시킨다.Then, when the power is applied to the motor (3) is rotated and the rotational force is reached to the rotary shaft (7) by the transmission system by the drive pulley (4) and belt (5) and driven pulley (6) Rotate (7).

또한, 상기 회전축(7)의 회전은 드럼(2)을 정,역회전시키기 때문에 드럼(2) 내부의 세탁물을 세탁할 수 있게 된다.In addition, since the rotation of the rotary shaft 7 rotates the drum 2 forward and reverse, the laundry inside the drum 2 can be washed.

그리고, 상기 드럼(2) 내면에 형성된 복수의 리프트(1)에 의해 세탁물이 올려졌다가 낙하되면서 세탁이 된다.Then, the laundry is lifted by the plurality of lifts 1 formed on the inner surface of the drum 2, and the laundry is dropped.

그러나, 종래기술에 따른 드럼세탁기는 다음과 같은 문제점이 있었다.However, the drum washing machine according to the prior art had the following problems.

상기 드럼(2)이 회전하여 세탁물을 끌고 올라가던 상기 리프트(1)가 지면에 대한 수선과 드럼 중심과 리프트를 연결하는 선과의 사이각이 90도 이상의 각을 이루게 되면, 상기 리프트(1)에 걸쳐진 세탁물이 곧장 낙하를 하여 낮은 낙차에 의한 세탁이 행해지므로써 세탁력이 떨어지는 문제점이 있었다.When the drum 1 rotates, the lift 1, which lifts and raises the laundry, forms an angle of 90 degrees or more between the repair on the ground and the line connecting the drum center to the lift. There was a problem that the laundry power is dropped because the laundry is dropped straight and the washing is performed by a low drop.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 드럼 내면에 설치되는 리프트를 외부 리프트와 내부 리프트로 이루어진 이중구조로 형성하여, 세탁물의 낙차를 상승시키고 세탁수를 효율적으로 분사하여 세탁성능을 향상하므로써, 세탁시간 또한 함께 절약할 수 있는 드럼세탁기의 리프트를 제공하는데 그 목적이 있다.The present invention is to solve the above problems, by forming a dual structure consisting of the outer lift and the inner lift lift is installed on the inner surface of the drum, to increase the free fall of the laundry and to efficiently spray the wash water to improve the washing performance Therefore, the object of the present invention is to provide a drum washing machine lift, which also saves washing time.

도 1은 종래기술에 따른 드럼세탁기를 개략적으로 도시한 측단면도Figure 1 is a side cross-sectional view schematically showing a drum washing machine according to the prior art

도 2는 도 1의 리프트를 도시한 확대사시도FIG. 2 is an enlarged perspective view of the lift of FIG.

도 3은 본 발명에 따른 리프트를 설치한 드럼세탁기를 개략적으로 도시한 측단면도Figure 3 is a side cross-sectional view schematically showing a drum washing machine equipped with a lift according to the present invention.

도 4는 도 3의 외부 리프트를 도시한 확대사시도4 is an enlarged perspective view of the external lift of FIG.

도 5는 도 3의 내부 리프트를 도시한 확대사시도5 is an enlarged perspective view of the internal lift of FIG.

도 6은 도 3의 리프트를 도시한 확대단면도6 is an enlarged cross-sectional view of the lift of FIG.

도 7은 본 발명에 따른 리프트의 세탁수 분사작용을 개략적으로 도시한 드럼의 정면도Figure 7 is a front view of the drum schematically showing the washing water spraying action of the lift according to the invention

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10:리프트11:외부 리프트10: Lift 11: External lift

11a:지지대12:내부 리프트11a: support 12: internal lift

12a:홀20:드럼12a: Hole 20: Drum

30:모터40:구동풀리30: motor 40: drive pulley

50:벨트60:종동풀리50: belt 60: driven pulley

70:회전축80:터브70: rotating shaft 80: tub

Ⅰ:세탁수의 유입방향Ⅱ:세탁수의 분사방향Ⅰ: Inflow direction of washing water Ⅱ: Injection direction of washing water

A:외부 리프트의 윗면 개구폭B:내부 리프트의 아랫면 개구폭A: Top opening width of the outer lift B: Bottom opening width of the inner lift

상기한 목적을 달성하기 위하여, 본 발명은 드럼 내면에 축 방향으로 길이를 갖도록 설치되는 드럼세탁기의 리프트에 있어서; 상기 리프트는 외부 리프트와, 상기 외부 리프트의 내부에 내장되는 내부 리프트로 이루어진 것을 특징으로 하는 드럼세탁기의 리프트를 제공한다.In order to achieve the above object, the present invention provides a drum washing machine which is installed to have a length in the axial direction on the inner surface of the drum; The lift provides a lift of the drum washing machine, characterized in that consisting of an external lift and an internal lift that is built into the external lift.

이하, 본 발명에 따른 실시예를 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명에 따른 리프트(10)를 설치한 드럼세탁기를 개략적으로 도시한 측단면도이고, 도 4는 도 3의 외부 리프트(11)를 도시한 확대사시도이며, 도 5는 도 3의 내부 리프트(12)를 도시한 확대사시도이다.3 is a side cross-sectional view schematically showing a drum washing machine provided with a lift 10 according to the present invention, FIG. 4 is an enlarged perspective view of the external lift 11 of FIG. 3, and FIG. 5 is an interior of FIG. 3. An enlarged perspective view showing the lift 12.

그리고, 도 6은 도 3의 리프트(10)를 도시한 확대단면도이고, 도 7은 본 발명에 따른 리프트(10)의 세탁수 분사작용을 개략적으로 도시한 드럼(20)의 정면도이다.6 is an enlarged cross-sectional view illustrating the lift 10 of FIG. 3, and FIG. 7 is a front view of the drum 20 schematically showing the washing water spraying action of the lift 10 according to the present invention.

여기서, 화살표 Ⅰ은 세탁수의 유입방향을 나타낸 것이고, 화살표 Ⅱ는 세탁수의 분사방향을 나타낸 것이다.Here, arrow I shows the inflow direction of the wash water, arrow II shows the injection direction of the wash water.

도 3에 도시된 바와 같이, 본 발명에 따른 드럼세탁기는 세탁물을 수용하는원통형의 드럼(20)과, 상기 드럼(20) 내면에 원주방향을 따라 이격되도록 설치되는 다수개의 외부 리프트(11)와, 상기 각 외부 리프트(11)의 내부에 내장되며 상기 드럼(20)의 회전에 따라 상기 외부 리프트(11)의 윗면을 통해 출입하면서 세탁수를 분사하는 내부 리프트(12)와, 상기 드럼(20)으로 모터(30)의 회전력을 벨트(50)를 통해 전달하여 드럼(20)을 회전시키기 위하여 드럼(20)에 결합되는 회전축(70)과, 상기 회전축(70)을 지지하는 동시에 세탁수를 저장할 수 있도록 드럼(20) 외측으로 결합되는 터브(80)를 포함하여 구성된다.As shown in FIG. 3, the drum washing machine according to the present invention includes a cylindrical drum 20 for receiving laundry, and a plurality of external lifts 11 installed to be spaced apart along the circumferential direction on the inner surface of the drum 20. The inner lift 12 is embedded in each of the outer lifts 11 and sprays the washing water while entering and exiting through the upper surface of the outer lift 11 as the drum 20 rotates, and the drum 20. The rotating force of the motor 30 is transmitted through the belt 50 to the rotating shaft 70 coupled to the drum 20 to rotate the drum 20, and the washing water is supported while supporting the rotating shaft 70. It is configured to include a tub 80 coupled to the outside of the drum 20 to be stored.

여기서, 도 4에 도시된 바와 같이, 상기 외부 리프트(11)는 단면형상이 등각 사다리꼴이고, 윗면과 아랫면이 개구되며, 양측내면부에 수평 돌출되고 축 방향으로 길이를 갖는 2개의 지지대(11a)를 구비한다.Here, as shown in Figure 4, the outer lift 11 is a trapezoidal in cross-sectional shape, the upper surface and the lower surface is open, the two support (11a) protruding horizontally on both inner surface and the length in the axial direction It is provided.

그리고, 도 5에 도시된 바와 같이, 상기 내부 리프트(12)는 단면형상이 등각 사다리꼴이고, 아랫면이 개구되며, 외면에는 세탁수를 분사하기 위한 다수개의 홀(12a)이 형성된다.And, as shown in Figure 5, the inner lift 12 is a trapezoidal in cross-sectional shape, the bottom surface is opened, the outer surface is formed with a plurality of holes (12a) for spraying the wash water.

또한, 도 6에 도시된 바와 같이, 상기 외부 리프트(11)는 상기 드럼(20) 내면에 고정설치되고, 상기 내부 리프트(12)는 상기 외부 리프트(11)의 내부에 형성된 상기 2개의 지지대(11a)위에 안착되어 내장된다.In addition, as shown in FIG. 6, the outer lift 11 is fixedly installed on the inner surface of the drum 20, and the inner lift 12 is formed by the two supporters formed inside the outer lift 11. It is seated on top of 11a).

이때, 상기 내부 리프트(12) 아랫면의 외곽폭(B)이 상기 외부 리프트(11) 윗면의 개구폭(A)보다 크게 형성되어 있기 때문에, 상기 내부 리프트(12)가 상기 외부 리프트(11)의 외부로 돌출될 경우, 상기 내부 리프트(12)의 아랫면이 상기 외부 리프트(11)의 개구된 윗면에 걸리게 되어 이탈되지 않고 돌출될 수 있는 것이다.At this time, since the outer width B of the lower surface of the inner lift 12 is formed to be larger than the opening width A of the upper surface of the outer lift 11, the inner lift 12 is formed of the outer lift 11. When protruding outward, the lower surface of the inner lift 12 is caught by the opened upper surface of the outer lift 11 so that it can protrude without being separated.

상기와 같이 구성된 본 발명에 따른 드럼세탁기의 작용에 대하여 설명하면 다음과 같다.Referring to the operation of the drum washing machine according to the present invention configured as described above are as follows.

먼저, 드럼세탁기의 드럼(20)에 세탁물을 투입한 뒤 작동버튼을 누르면 급수가 이루어지는 동시에 모터(30)에 전원이 인가되어 회전을 하게되고, 상기 모터(30)의 회전력은 구동풀리(40)와 벨트(50) 및 종동풀리(60)에 의한 전동체계에 의해 회전축(70)까지 도달되면서 회전축(70)을 회전시킨다.First, the laundry is put into the drum 20 of the drum washing machine, and when the operation button is pressed, water is supplied and power is supplied to the motor 30 to rotate, and the rotational force of the motor 30 is driven by the pulley 40. The rotating shaft 70 is rotated while reaching the rotating shaft 70 by the transmission system by the belt 50 and the driven pulley 60.

또한, 상기 회전축(70)의 회전은 상기 드럼(20)을 정,역회전시킴으로써, 상기 드럼(20) 내면에 형성된 리프트(10)에 의해 세탁물이 올려졌다가 낙하되면서 기계적인 세탁을 수행한다.In addition, the rotation of the rotary shaft 70 by rotating the drum 20 forward, reverse, the laundry is lifted by the lift 10 formed on the inner surface of the drum 20 while performing mechanical washing.

여기서, 상기 리프트(10)는 상기 드럼(20) 내주면에 고정되는 외부 리프트(11)와 상기 외부 리프트(11)의 내부 공간을 따라 승강하도록 설치되는 내부 리프트(12)로 이루어져, 상기 외부 리프트(11)가 상기 드럼(20)의 중심축보다 낮은 높이에 위치할 때에는, 상기 내부 리프트(12)는 상기 지지대(11a) 위에 안착되면서 상기 외부 리프트(11) 내부에 머물러 있게 된다.Here, the lift 10 is composed of an external lift 11 fixed to the inner circumferential surface of the drum 20 and an internal lift 12 installed to move up and down along the internal space of the external lift 11. When 11) is located at a height lower than the central axis of the drum 20, the inner lift 12 is seated on the support (11a) and stays inside the outer lift (11).

이때, 상기 외부 리프트(11)의 개구된 아랫면과 윗면을 통해 세탁수가 유입되고, 유입된 세탁수는 상기 내부 리프트(12)의 개구된 아랫면과 그 외면에 형성된 홀(12a)들을 통해 상기 내부 리프트(12) 내부까지 차게 된다.At this time, the wash water flows through the opened lower and upper surfaces of the outer lift 11, and the washed water flows through the holes 12a formed in the opened lower surface and the outer surface of the inner lift 12. (12) It is filled to the inside.

그리고, 도 7에 도시된 바와 같이, 상기 드럼(20)이 회전하여 세탁물을 끌고 올라가던 상기 리프트(10)가 지면에 대한 수선과 드럼(20) 중심과 리프트(10)를 연결하는 선과의 사이각이 90도 이상의 각을 이루게 되면, 상기 내부 리프트(12)는그 자중과 세탁수에 의해 상기 외부 리프트(11)의 윗면을 통해 드럼(20) 중심방향으로 밀려서 돌출되고, 상기 리프트(10) 내부에 담긴 세탁수가 돌출된 내부 리프트(12)에 형성된 홀(12a)들을 통해 분사된다.And, as shown in Figure 7, the drum 20 is rotated to lift the laundry, the lift 10 between the repair line to the ground and the line connecting the center of the drum 20 and the lift 10 When the angle reaches an angle of 90 degrees or more, the inner lift 12 is pushed toward the center of the drum 20 through the upper surface of the outer lift 11 by its own weight and washing water, and protrudes from the inside of the lift 10. The wash water contained in the water is sprayed through the holes 12a formed in the protruding inner lift 12.

요컨대, 본 발명에 따른 리프트(10)는 외부 리프트(11)와 내부 리프트(12)의 이중구조로 구성되어, 세탁수를 내부에 담고 세탁물을 끌어올려 낙하시키고, 이 시점에서 상기 내부 리프트(12)가 상기 외부 리프트(11) 밖으로 돌출되면서 홀(12a)들을 통해 세탁수를 분사하게 된다.In other words, the lift 10 according to the present invention is composed of a dual structure of the outer lift 11 and the inner lift 12, to contain the wash water inside and pull up the laundry to drop, at this point the inner lift 12 ) Protrudes out of the outer lift 11 to spray washing water through the holes 12a.

따라서, 상기 홀(12a)들을 통해 분사된 세탁수는 세탁물을 골고루 신속하게 적심으로써 세탁시간이 단축된다.Therefore, the washing water sprayed through the holes 12a reduces the washing time by uniformly rapidly washing the laundry.

그리고, 상기 내부 리프트(12)가 세탁수에 의해 상기 외부 리프트(11)의 윗면을 통해 상기 드럼(20) 중심방향으로 밀려서 돌출되어 상기 리프트(10)의 측면부 면적이 넓어짐에 따라 세탁물을 더 높이 끌어올려 낙하시키므로써 세탁력이 향상된다.In addition, the inner lift 12 is pushed toward the center of the drum 20 through the upper surface of the outer lift 11 by the washing water, and protrudes to increase the laundry as the side area of the lift 10 is widened. By pulling up and dropping, washing power is improved.

상술한 바와 같이, 본 발명에 따른 리프트는 다음과 같은 효과가 있다.As described above, the lift according to the present invention has the following effects.

첫째, 상기 리프트는 외부 리프트와 상기 외부 리프트 내부에 내장되면서 세탁수에 의해 상기 외부 리프트 바깥쪽으로 밀려 나오고 자중에 의해 다시 들어가는 이중구조로 형성되고, 다수개의 홀이 상기 내부 리프트의 외면을 관통하여 형성되어, 세탁물에 세탁수를 골고루 신속하게 공급하므로써 세탁력이 향상되고 세탁시간이 단축되는 효과가 있다.First, the lift is formed in a double structure which is pushed out of the outer lift by washing water and reentered by its own weight while being built inside the outer lift and the outer lift, and a plurality of holes are formed through the outer surface of the inner lift. By supplying the washing water evenly and quickly to the laundry, the washing power is improved and the washing time is shortened.

둘째, 상기 내부 리프트가 상기 외부 리프트의 바깥쪽으로 밀려 나오면서 리프트의 측면부 면적이 넓어져 세탁물을 더 높은 위치까지 끌어올려 낙하시키므로써 세탁력이 향상되는 효과가 있다.Second, as the inner lift is pushed out of the outer lift, the side area of the lift is widened, thereby increasing the laundry to a higher position, thereby reducing the washing power.

Claims (3)

드럼 내면에, 윗면과 아랫면이 개구되어 축 방향으로 길이를 갖도록 설치되는 외부 리프트와;An outer lift installed at an inner surface of the drum to have an upper surface and a lower surface open to have a length in an axial direction; 상기 외부 리프트의 윗면을 통해 외부로 돌출될 수 있도록 외부 리프트의 내부에 내장되는 내부 리프트로 구성된 것을 특징으로 하는 드럼세탁기의 리프트.Lift of the drum washing machine, characterized in that consisting of an internal lift that is built in the interior of the external lift so as to protrude to the outside through the upper surface of the external lift. 제 1항에 있어서,The method of claim 1, 상기 외부 리프트는 양측 내면부에 수평 돌출되고 축방향으로 길이를 갖는 지지대가 형성된 것을 특징으로 하는 드럼세탁기의 리프트.The outer lift is a drum washing machine, characterized in that the horizontal projection protruding on both sides of the inner side is formed with a support having a length in the axial direction. 제 1항에 있어서,The method of claim 1, 상기 내부 리프트의 외면에는 세탁수를 분사하기 위한 다수개의 홀이 형성된 것을 특징으로 하는 드럼세탁기의 리프트.Lift of the drum washing machine, characterized in that formed on the outer surface of the inner lift a plurality of holes for spraying the washing water.
KR10-2002-0058183A 2002-09-25 2002-09-25 lift in drum type washing machine KR100451747B1 (en)

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