KR100206833B1 - Vibration decreasing device of a washer - Google Patents
Vibration decreasing device of a washer Download PDFInfo
- Publication number
- KR100206833B1 KR100206833B1 KR1019960073578A KR19960073578A KR100206833B1 KR 100206833 B1 KR100206833 B1 KR 100206833B1 KR 1019960073578 A KR1019960073578 A KR 1019960073578A KR 19960073578 A KR19960073578 A KR 19960073578A KR 100206833 B1 KR100206833 B1 KR 100206833B1
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- KR
- South Korea
- Prior art keywords
- vibration
- washing tank
- washing machine
- case
- washing
- Prior art date
Links
- 230000003247 decreasing effect Effects 0.000 title 1
- 238000005406 washing Methods 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 abstract description 14
- 238000006297 dehydration reaction Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013016 damping Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000005060 rubber Substances 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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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
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/26—Imbalance; Noise level
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
본 발명은 세탁기의 탈수진동을 저감시키기 위한 장치에 관한 것으로, 특히 원심탈수시에 세탁물의 편재에 의한 불균형으로 인해 발생되는 진동소음의 흡진성을 향상 시키기 위하여, 세탁기 케이스(1)의 내측면에 밀착되는 케이스측 프레임(11)과, 상기 케이스(1) 내에 구비된 세탁조(4)의 외주면에 밀착되는 세탁조측 프레임(12)과, 상기 양 프레임(11)(12) 사이에 충전되어 이들 프레임(11)(12) 간을 탄력적으로 지지해주는 탄성 흡진판(13)으로 구성된 것으로서, 세탁조(4)의 하단은 댐퍼(7)에 의해 지지되고 그 상부는 진동저감장치(D)에 의해 지지되는 이중 지지구조로 되어 있으므로, 상기 세탁조(4) 전체에 진동감쇄 효과가 발휘되고, 또한 스프링 또는 유압/공압 댐퍼(7a) 등을 사용하지 않고 탄성고무를 사용하므로써 자체 소음이 발생하지 않으며, 상기 세탁조(4)의 외주면 전체를 지지하게 되어 진동에 취약한 부분이 없이 어느 부분에서나 동일한 진동감쇄 작용이 이루어지게 되므로 정숙성이 우수하고 안정적인 시스템을 구현할 수 있는 세탁기의 진동저감장치에 관한 것이다.The present invention relates to a device for reducing the dehydration vibration of the washing machine, and in particular, to improve the dust-absorbing properties of vibration noise generated due to unbalance due to the uneven distribution of laundry during centrifugal dehydration, the inner surface of the washing machine case (1) The frame close to the case side 11, the washing tank side 12 in close contact with the outer circumferential surface of the washing tank 4 provided in the case 1, and filled between the two frames 11, 12, these frames (11) (12) consisting of an elastic absorbing plate 13 for elastically supporting the space, the lower end of the washing tank (4) is supported by a damper (7) and its upper part is supported by a vibration reducing device (D) Since the structure is a dual support structure, the vibration damping effect is exerted on the entire washing tank 4, and noise is not generated by using elastic rubber without using a spring or a hydraulic / pneumatic damper 7a. Since the same vibration attenuation action is made at any part without supporting the entire outer circumferential surface of (4), the vibration reducing device of the washing machine can implement a stable system with excellent quietness.
Description
본 발명은 세탁기의 탈수진동을 저감시키기 위한 장치에 관한 것으로, 특히 원심탈수시에 세탁물의 편재에 의한 불균형으로 인해 발생되는 진동소음을 효율적으로 흡수하기 위한 세탁기의 진동저감장치에 관한 것이다.The present invention relates to a device for reducing the dehydration vibration of the washing machine, and more particularly, to a vibration reducing device of the washing machine for efficiently absorbing the vibration noise generated by the unbalance due to the uneven distribution of the laundry during centrifugal dehydration.
도 1및 도2는 일반적으로 사용되고 있는 펄세이터(Pulsator) 세탁기의 구조를 개략적으로 나타낸 것으로서, 세탁기 케이스(1)내의 하부일측에 모우터(2)가 고정 설치되고, 상기 케이스(1)의 중심축 하단에는 상기 모우터(2)와 연결된 클러치(3)가 장착되며, 이 클러치(1)의 중심축상에 세탁조(외조;4)와 탈수조(내조;5)가 복층 설치되고, 상기 탈수조(4)의 내측 저면부에는 펄세이터(6)가 상기 중심축상에 결합되며, 상기 세탁조(4)의 하단부 외주연에는 이 세탁조(4)를 사방에서 지지해주는 댐퍼(7)가 대칭적으로 고정되고, 이 각각의 댐퍼(7)에는 마찰에 의해 진동을 흡수하는 스너버 바(Snubber Bar;8)가 결합된 구조로 되어 있다. 여기서, 미설명 부호 9는 급수밸브, 10은 수위센서를 나타낸다.1 and 2 schematically show the structure of a pulsator washing machine that is generally used, the motor 2 is fixed to the lower side of the washing machine case 1, the center of the case (1) A clutch 3 connected to the motor 2 is mounted at the lower end of the shaft, and a washing tank (outer tank) 4 and a dehydration tank (inner tank) 5 are provided in two layers on the central axis of the clutch 1, and the dewatering tank is installed. A pulsator 6 is coupled to the central axis of the inner bottom portion of the 4, and a damper 7 supporting the washing tank 4 from all sides is symmetrically fixed to the outer periphery of the lower end of the washing tank 4. Each damper 7 has a structure in which a snubber bar 8 that absorbs vibration by friction is coupled. Here, reference numeral 9 denotes a water supply valve, and 10 denotes a water level sensor.
종전의 세탁기는 탈수시에 세탁물이 균형을 잡고 있을 때는 세탁조(4)및 탈수조(5)가 편심없이 회전하므로써 원활한 탈수가 가능하나, 세탁물이 불균형한 상태로 놓인 경우에는 원심탈수 과정에서 무게중심이 편재된 쪽으로 원심력이 작용하여 상기 세탁조(4)및 탈수조(5)가 심하게 흔들리게 된다.In the conventional washing machine, when the laundry is balanced during dehydration, the washing tank (4) and the dehydrating tank (5) can rotate smoothly without eccentricity, but if the laundry is placed in an unbalanced state, the center of gravity in the centrifugal dehydration process The centrifugal force acts toward this ubiquitous side, and the washing tank 4 and the dehydration tank 5 are shaken severely.
이와 같은 편심에 의한 진동을 완화하고자, 상기한 바와 같이 상기 세탁조(4)를 댐퍼(7)및 스너버 바(8)로 지지하여 세탁조(4)및 탈수조(5)에서 발생되는 충격이 세탁기 케이스(1)로 전달되지 않도록 하므로써 소음 및 진동을 감쇄시켜 주게 되는 것이었다.In order to alleviate the vibration caused by such eccentricity, as described above, the washing tank 4 is supported by the damper 7 and the snubber bar 8 so that the impact generated in the washing tank 4 and the dewatering tank 5 is reduced. It was to reduce the noise and vibration by not being transmitted to the case (1).
한편, 또 다른 종래 기술에 의한 진동저감장치로서는 도 3에 도시한 바와 같이, 세탁기 케이스(1)내의 네 모서리와, 세탁조(4)의 상부 외주연 사이에 진동 흡수를 위한 스프링 또는 유압/공압 댐퍼(7a)를 설치한 것이 있었다.On the other hand, as another vibration reduction device according to the prior art as shown in Figure 3, a spring or hydraulic / pneumatic damper for absorbing vibration between the four corners of the washing machine case 1 and the upper outer periphery of the washing tank (4) (7a) was installed.
그러나, 상기한 바와 같은 종래 세탁기의 진동저감장치중 도 2에서 나타낸 댐퍼(7)및 스너버 바(8)를 설치한 구조에 있어서는 상기 댐ㅍ(7)가 세탁조(4)의 하단만을 지지하고 있으므로 상기 세탁조(4)의 상부에서 발생하는 진동에 대해서는 흡진성이 발휘되지 못한다는 문제점이 있었으며, 또한 이를 보완하고자, 도 3에서 나타낸 스프링 또는 유압/공압 댐퍼(7a) 등을 세탁조(4) 상부에 설치한 구조에 잇어서는 상기 흡진수단 자체에서도 소음이 발생될 뿐만 아니라, 한정된 위치에만 설치하게 되므로 그 외의 부분에서는 진동 흡수가 원활히 이루어지기 어렵다는 새로운 문제점이 있었다.However, in the structure in which the damper 7 and the snubber bar 8 shown in FIG. 2 are installed among the vibration reduction devices of the conventional washing machine as described above, the damper 7 supports only the lower end of the washing tank 4. Therefore, there was a problem in that the vibration is not exhibited against the vibration generated in the upper portion of the washing tank 4, and to compensate for this, the spring or hydraulic / pneumatic damper (7a) shown in Figure 3, the upper portion of the washing tank (4) In the structure installed in the present invention, not only the noise is generated in the suction means itself, but also installed only in a limited position, there is a new problem that it is difficult to smoothly absorb vibration in other parts.
이에 본 발명은 상기와 같은 제반 문제점을 해겨하기 위해 안출된 것으로, 원심탈수시에 세탁물의 편재에 의한 불균형으로 인해 발생되는 진동소음의 흡진성을 향상시키고, 원심력이 어느 부분에 작용하더라도 안정적으로 흡진시켜줄 수 있도록 된 세탁기의 진동저감장치를 제공하는데 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, improves the vibration noise of the vibration noise generated due to the unbalance of the laundry during centrifugal dehydration, and stable dust extraction no matter what centrifugal force acts on It is an object of the present invention to provide a vibration reducing device of a washing machine that can be made.
제1도는 종래 기술에 의한 펄세이터(Pulsator) 세탁기의 구조를 개략적으로 나타낸 측단면도.1 is a side cross-sectional view schematically showing the structure of a pulsator washing machine according to the prior art.
제도2는 제1도에 도시한 종래 세탁기의 평면도.Scheme 2 is a plan view of a conventional washing machine shown in FIG.
제3도는 또 다른 종래 기술에 의한 세탁기의 구조를 개략적으로 나타낸 평면도.Figure 3 is a plan view schematically showing the structure of a washing machine according to another prior art.
제4도는 본 발명에 따른 진동저감장치의 평면도.4 is a plan view of a vibration reducing device according to the present invention.
제5도는 제4도에 따른 A-A선 단면도.5 is a cross-sectional view taken along the line A-A according to FIG.
제6도는 본 발명에 따른 진동저감장치에 일측으로 원심력이 작용하였을 때, 중심을 향해 복원되는 과정을 도시한 힘의 분포도이다.Figure 6 is a distribution diagram of the force showing the process of restoring toward the center when the centrifugal force acts on one side to the vibration reducing device according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 케이스 2 : 모우터1: case 2: motor
3 : 클러치 4 : 세탁조(외조)3: clutch 4: washing tank (outer tank)
5 : 탈수조(내조) 6 : 펄세이터5: dehydration tank (inner tank) 6: pulsator
7 : 댐퍼 8 : 스너버 바7: damper 8: snubber bar
9 : 급수벨브 10 : 수위센서9: water supply valve 10: water level sensor
11 : 케이스측 프레임 12 : 세탁조측 프레임11: case side frame 12: washing tank side frame
13 : 탄성 흡진판 D : 진동저감장치13: elastic absorbing plate D: vibration reduction device
상기와 같은 목적을 달성하기 위한 본 발명에 따른 세탁기의 진동저감장치는 세탁기 케이스의 내측면에 밀착되는 케이스측 프레임과, 상기 케이스 내메 구비된 세탁조의 외주면에 밀착되는 세탁조측 프레임과, 상기 양 프레임 사이에 충전되어 이들 프레임 간을 탄력적으로 지지해주는 탄성 흡진판으로 구성된 것이며, 특히 상기 탄성 흡진판은 탄성 복원력이 높은 합성 고무재로 된 것을 특징으로 한다.Vibration reducing device of the washing machine according to the present invention for achieving the above object is a case side frame in close contact with the inner surface of the washing machine case, the washing tank side frame in close contact with the outer peripheral surface of the washing tank provided in the case, and the two frames It is composed of an elastic absorbing plate that is filled between the elastic support plate between the frames, in particular, the elastic absorbing plate is characterized in that the synthetic rubber material with high elastic restoring force.
이하, 본 발명을 첨부된 도면에 의거하여 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 4및 도 5에 도시된 바와 같이, 본 발명에 따른 세탁기의 진동저감장치(D)는 세탁기 케이스(1)의 내측면에 밀착되는 밴드형의 케이스측 프레임(11)과, 상기 케이스(1) 내에 구비된 세탁조(4)의 외주면에 밀착되는 밴드형의 세탁조측 프레임(12)과, 상기 양 프레임(11)(12) 사이에 판상으로 충전되어 이들 프레임(11)(12) 간을 탄력적으로 지지해주는 탄성 흡진판(13)으로 이루어져 있으며, 상기 탄성 흡진판(13)은 탄성 복원력이 우수한 합성 고무재로 된 것이다.As shown in Figure 4 and 5, the vibration reducing device (D) of the washing machine according to the present invention is a band-shaped case side frame 11 in close contact with the inner surface of the washing machine case (1), and the case (1) ) And a band-shaped washing tank side frame 12 in close contact with the outer circumferential surface of the washing tank 4 provided in the inner plate, and the two frames 11 and 12 in the form of a plate and elasticity between these frames 11 and 12. It consists of an elastic absorbing plate 13 to support, the elastic absorbing plate 13 is made of a synthetic rubber material with excellent elastic restoring force.
본 발명에 따른 진동저감장치(D)는 종래의 세탁기에 적용될 수 있다. 즉, 상기 세탁기는 도 1에 나타낸 바와 같이, 외부 케이스(1)내의 하부일측에 모우터(2)가 고정설치되고, 상기 케이스(1)의 중심축 하단에는 상기 모우터(2)와 연결된 클러치(3)가 장착되며, 이 클러치(1)의 중심축상에 세탁조(4)와 탈수조(5)가 복층 설치되고, 상기 탈수조(4)의 내측 저면부에는 펄세이터(6)가 상기 중심축상에 결합되며, 상기 세탁조(4)의 하단부 외주연에는 이 세탁조(4)를 사방에서 지지해주는 댐퍼(7)가 대칭적으로 고정되고, 이 각각의 댐퍼(7)에는 마찰에 의해 진동을 흡수하는 스너버 바(Snubber bar;8)가 결합된 것으로, 상기 케이스(1)와 세탁조(4) 상부사이에는 본 발명의 진동저감장치(D)가 삽입된다.Vibration reducing device (D) according to the present invention can be applied to a conventional washing machine. That is, as shown in FIG. 1, the washing machine 2 is fixedly installed at one lower side of the outer case 1, and a clutch connected to the motor 2 is disposed at the lower end of the central axis of the case 1. (3) is mounted, and the washing tank 4 and the dehydration tank 5 are provided in multiple layers on the central axis of this clutch 1, and the pulsator 6 is installed in the inner bottom part of the dehydration tank 4 at the said center. Coupled on the shaft, the damper 7 supporting the washing tank 4 from all sides is symmetrically fixed to the outer periphery of the lower end of the washing tank 4, and each damper 7 absorbs vibration by friction. Snubber bar (Snubber bar; 8) is coupled, the vibration reduction device (D) of the present invention is inserted between the case (1) and the upper portion of the washing tank (4).
이와 같이 세탁조(4) 하단은 댐퍼(7)에 의해 지지되고, 상부는 상기의 진동저감장치(D)에 의해 지지되므로써, 더욱 안정된 상태를 유지하게 된다. 즉, 도 6과 같이, 세탁물이 탈수조(5) 내에 불균형 상태로 편재되어 원심탈수시 상기 세탁조(4)가 케이스(1) 일측으로 치우치게 되는 경우, 탄성 흡진판(13)의 탄성 복원력(화살표 방향)에 의해 세탁조(4)가 중심쪽으로 신속히 복귀되므로써, 원심력에 의해 상기 세탁조(4)가 케이스(1)를 때리는 현상을 방지할 수 있다. 이때의 복원상태는 특정부분에서만 작용하지 않고 고루 분포되어 이루어지므로 세탁조(4)가 어느 위치로 치우치든 항상 동일한 형태로 복귀되면서 진동을 감쇄시켜 주게되고, 상기 탄성 흡진판(13)의 제질 특성상 자체 소음은 없으며, 이에 따라 전체적인 소음 문제도 해결할 수 있게 된다.Thus, the lower end of the washing tank 4 is supported by the damper 7, and the upper part is supported by the vibration reduction device D, thereby maintaining a more stable state. That is, as shown in FIG. 6, when the laundry is unbalanced in the dehydration tank 5 and the washing tank 4 is biased toward one side of the case 1 during centrifugal dehydration, the elastic restoring force of the elastic absorbing plate 13 (arrow Direction), the washing tank 4 is quickly returned to the center, whereby the phenomenon that the washing tank 4 hits the case 1 by the centrifugal force can be prevented. At this time, the restored state does not work only in a specific part and is evenly distributed, so that the washing tank 4 is always returned to the same shape at any position, thereby reducing vibration, and in itself due to the quality of the elastic absorbing plate 13. There is no noise, and thus the overall noise problem can be solved.
상기와 같은 구성 및 작용에 의해 기대할 수 있는 본 발명의 효과는 다음과 같다.The effects of the present invention that can be expected by the configuration and action as described above are as follows.
본 발명에 따른 세탁기는 세탁조(4)의 하단은 댐퍼(7)에 의해 지지되고 그 상부는 진동저감장치(D)에 의해 지지되는 이중 지지구조로 되어 있으므로, 상기 세탁조(4) 전체에 진동감쇄 효과가 발휘되고, 또한 스프링 또는 유압/공압 댐퍼(7a) 등을 사용하지 않고 탄성고무를 사용하므로써 자체 소음이 발생하지 않으며, 상기 세탁조(4)의 오주면 전체를 지지하게 되어 진동에 취약한 부분이 없이 어느 부분에서나 동일한 진동감쇄 작용이 이루어지게 되므로 정숙성이 우수하고 안정적인 시스템을 구현할 수 있는 효과가 있다.The washing machine according to the present invention has a double support structure in which a lower end of the washing tank 4 is supported by the damper 7 and an upper portion thereof is supported by the vibration reducing device D, so that the entire washing tank 4 is damped. By using the elastic rubber without using the spring or the hydraulic / pneumatic damper 7a, etc., the noise is not generated, and the entire circumferential surface of the washing tank 4 is supported, which is vulnerable to vibration. The same vibration damping action is made in any part without it has the effect of implementing a quiet system with excellent quietness.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960073578A KR100206833B1 (en) | 1996-12-27 | 1996-12-27 | Vibration decreasing device of a washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960073578A KR100206833B1 (en) | 1996-12-27 | 1996-12-27 | Vibration decreasing device of a washer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980054417A KR19980054417A (en) | 1998-09-25 |
| KR100206833B1 true KR100206833B1 (en) | 1999-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960073578A KR100206833B1 (en) | 1996-12-27 | 1996-12-27 | Vibration decreasing device of a washer |
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| Country | Link |
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| KR (1) | KR100206833B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102103671B1 (en) * | 2019-08-12 | 2020-04-22 | 강정근 | A washing machine |
-
1996
- 1996-12-27 KR KR1019960073578A patent/KR100206833B1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102103671B1 (en) * | 2019-08-12 | 2020-04-22 | 강정근 | A washing machine |
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| Publication number | Publication date |
|---|---|
| KR19980054417A (en) | 1998-09-25 |
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