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KR100375376B1 - Device for preventing noise of wiper for automobile - Google Patents

Device for preventing noise of wiper for automobile Download PDF

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Publication number
KR100375376B1
KR100375376B1 KR10-2000-0041405A KR20000041405A KR100375376B1 KR 100375376 B1 KR100375376 B1 KR 100375376B1 KR 20000041405 A KR20000041405 A KR 20000041405A KR 100375376 B1 KR100375376 B1 KR 100375376B1
Authority
KR
South Korea
Prior art keywords
wiper
blade
glass surface
electromagnet
wiping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
KR10-2000-0041405A
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Korean (ko)
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KR20020007878A (en
Inventor
권태봉
Original Assignee
현대자동차주식회사
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Publication date
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Priority to KR10-2000-0041405A priority Critical patent/KR100375376B1/en
Publication of KR20020007878A publication Critical patent/KR20020007878A/en
Application granted granted Critical
Publication of KR100375376B1 publication Critical patent/KR100375376B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/043—Attachment of the wiper assembly to the vehicle
    • B60S1/0441—Attachment of the wiper assembly to the vehicle characterised by the attachment means
    • B60S1/0444—Attachment of the wiper assembly to the vehicle characterised by the attachment means comprising vibration or noise absorbing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • B60S1/166—Means for transmitting drive characterised by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/34—Wiper arms; Mountings therefor
    • B60S1/3402—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns
    • B60S1/3406—Wiper arms; Mountings therefor with means for obtaining particular wiping patterns the wiper blades being rotated with respect to the wiper arms around an axis perpendicular to the wiped field
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/34—Wiper arms; Mountings therefor
    • B60S1/3463—Means to press blade onto screen
    • B60S1/3465—Means to press blade onto screen with coil springs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

본 발명은 와이퍼 블레이드의 와이핑 방향 전환시, 윈도우 글래스면에서 블레이드의 끝단이 와이핑되는 방향과 반대로 젖혀지면서 발생하는 마찰소음을 없앨 수 있도록 한 자동차용 와이퍼의 소음 방지장치에 관한 것으로서, 블레이드의 와이핑 방향 전환시 글래스면에 대한 밀착력을 없애주고 와이핑시에는 글래스면에 대한 밀착력을 제공해줄 수 있도록 함으로써, 와이퍼 블레이드의 방향 전환 동작시 글래스면과의 마찰소음을 없애줄 수 있도록 한 자동차용 와이퍼의 소음 방지장치를 제공하고자 한 것이다.The present invention relates to a noise suppression device for an automobile wiper, which is capable of eliminating friction noise generated when the wiping blade is flipped in the opposite direction to the wiping direction of the blade at the window glass surface. Automotive wiper that eliminates the adhesion to the glass surface during wiping direction change and provides the adhesion to the glass surface during wiping, thereby eliminating friction noise with the glass surface during the direction change of the wiper blade To provide a noise prevention device of.

Description

자동차용 와이퍼의 소음 방지 장치{Device for preventing noise of wiper for automobile}Device for preventing noise of wiper for automobiles {Device for preventing noise of wiper for automobile}

본 발명은 자동차용 와이퍼의 소음 방지장치에 관한 것으로서, 더욱 상세하게는 와이퍼 블레이드의 와이핑 방향 전환시, 윈도우 글래스면에서 블레이드의 끝단이 와이핑되는 방향과 반대로 젖혀지면서 발생하는 마찰소음을 없앨 수 있도록 한 자동차용 와이퍼의 소음 방지장치에 관한 것이다.The present invention relates to a noise suppression device for an automobile wiper, and more particularly, when switching the wiping direction of the wiper blade, it is possible to eliminate the friction noise generated by flipping the opposite end of the blade on the window glass surface in the wiping direction. It relates to a noise reduction device of a vehicle wiper.

통상적으로 자동차용 와이퍼를 작동하게 되면, 첨부한 도 4에 도시한 바와 같이 대개 삼각형 구조로 이루어진 와이퍼 블레이드(10)의 끝단은 와이퍼 암(14)의 회전방향과 반대로 젖혀지게 되고, 와이퍼 암(14)의 회전방향이 역방향으로 바뀌게 되면 와이퍼 블레이드(10)의 끝단은 다시 반대방향으로 젖혀지게 된다.In general, when the vehicle wiper is operated, the end of the wiper blade 10 having a triangular structure is flipped opposite to the rotational direction of the wiper arm 14, as shown in FIG. 4. When the direction of rotation is changed in the reverse direction, the end of the wiper blade 10 is flipped again in the opposite direction.

이때, 상기 와이퍼 블레이드(10)가 글래스면(24)에서 마찰되며 그 끝단이 일측방향 또는 반대방향으로 반전되는 동작시 마찰소음이 발생하는 단점이 있다.At this time, the wiper blade 10 has a disadvantage in that the friction noise occurs during the operation in which the glass surface 24 is rubbed and its tip is reversed in one direction or the opposite direction.

따라서, 본 발명은 상기와 같은 단점을 감안하여, 블레이드의 와이핑 방향 전환시 글래스면에 대한 밀착력을 없애주고 와이핑시에는 글래스면에 대한 밀착력을 제공해줄 수 있도록 함으로써, 와이퍼 블레이드의 방향 전환 동작시 글래스면과의 마찰소음을 없애줄 수 있도록 한 자동차용 와이퍼의 소음 방지장치를 제공하는데 그 목적이 있다.Accordingly, the present invention, in view of the above disadvantages, by eliminating the adhesion to the glass surface when switching the wiping direction of the blade and by providing an adhesion to the glass surface during wiping, the direction of the wiper blade switching operation It is an object of the present invention to provide a noise reduction device for an automobile wiper that can eliminate friction noise with a sea glass surface.

도 1은 본 발명에 따른 자동차용 와이퍼의 소음 방지장치를 나타내는 일부 단면 사시도,1 is a partial cross-sectional perspective view showing an anti-noise device for a vehicle wiper according to the present invention,

도 2a,2b는 본 발명에 따른 자동차용 와이퍼의 소음 방지장치의 작동상태를 나타내는 측면도,Figure 2a, 2b is a side view showing the operating state of the noise reduction device of the vehicle wiper according to the present invention,

도 3a,3b는 본 발명에 따른 자동차용 와이퍼의 소음 방지장치의 접지수단의 접지상태를 나타내는 평면도,Figure 3a, 3b is a plan view showing the grounding state of the grounding means of the noise preventing device of the vehicle wiper according to the present invention,

도 4는 종래의 와이퍼 블레이드의 와이핑 작동상태를 나타내는 측면도.Figure 4 is a side view showing a wiping operation state of a conventional wiper blade.

<도면의 주요 부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 와이퍼 블레이드 12 : 와이퍼 헤드10: wiper blade 12: wiper head

14 : 와이퍼 암 15 : 와이퍼 피봇부14 wiper arm 15 wiper pivot

16 : 전자석 18 : 이동체16: electromagnet 18: moving body

20 : 스프링 22 : 걸림턱20: spring 22: locking jaw

24 : 글래스면 25,26 : 접지단24: glass surface 25,26: ground terminal

28 : 피봇축 고정판28: pivot shaft fixing plate

이하, 첨부도면을 참조로 본 발명을 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 발명은 와이퍼의 헤드부(12)에 전자석(16)과 이동체(18)를 나란히 고정 설치하고, 와이퍼 암(14)에 스프링(20)의 일측단을 고정하는 동시에 스프링(20)의 타단을 상기 이동체(18)에 고정시키며, 블레이드(10)의 와이핑시 전자석(16)에 전류를 공급하는 접지가 이루어지고 방향전환 시점시 단락이 이루어지도록 한 접지수단(25,26)을 와이퍼의 피봇부(15)에 부착하여서 달성된 것을 특징으로 한다.According to the present invention, the electromagnet 16 and the movable body 18 are fixedly installed side by side in the head portion 12 of the wiper, and one end of the spring 20 is fixed to the wiper arm 14 while the other end of the spring 20 is fixed. The grounding means 25 and 26 are fixed to the movable body 18 and grounded to supply a current to the electromagnet 16 when the blade 10 is wiped, and a short circuit is made at the time of changing the direction of the wiper. It is characterized by achieved by attaching to the portion (15).

상기 와이퍼의 헤드부(12)에는 이동체(18)의 이동거리를 제한하는 걸림턱(22)이 형성된 것을 특징으로 한다.The head portion 12 of the wiper is characterized in that the locking step 22 is formed to limit the moving distance of the moving body 18.

특히, 상기 접지수단(25,26)은 와이퍼 피봇부(15)의 피봇축 고정판(28) 상면에 형성되고 배터리와 연결된 전원공급용 접지단(25)과, 상기 와이퍼 피봇축에 고정된 와이퍼 헤드부(12) 저면에 부착되어 상기 전자석에 전원을 전달하는 접지단(26)이 서로 접촉 가능하게 구성된 것을 특징으로 한다.In particular, the grounding means (25, 26) is formed on the upper surface of the pivot shaft fixing plate 28 of the wiper pivot portion 15 and the power supply ground end 25 connected to the battery, and the wiper head fixed to the wiper pivot shaft Attached to the bottom of the portion 12 is characterized in that the ground end 26 for transmitting power to the electromagnet is configured to be in contact with each other.

여기서 본 발명을 실시예로서, 첨부한 도면을 참조로 더욱 상세하게 설명하면 다음과 같다.Herein, the present invention will be described in more detail with reference to the accompanying drawings.

첨부한 도 1은 본 발명에 따른 자동차용 와이퍼의 소음 방지장치를 나타내는 일부 단면 분리사시도이고, 도 2는 작동상태를 나타내는 측면도로서, 도시한 바와 같이 와이퍼 어셈블리는 와이퍼 피봇부(15)와, 이 와이퍼 피봇부(15)에 회전 가능하게 체결되는 와이퍼 헤드부(12)와, 이 와이퍼 헤드(12)부에 일체로 된 와이퍼 암(14)과, 이 와이퍼 암(14)에 체결되는 와이퍼 블레이드(10)부로 구성되어 있다.1 is a partial cross-sectional perspective view showing a noise reduction device of a vehicle wiper according to the present invention, Figure 2 is a side view showing an operating state, as shown in the wiper assembly is a wiper pivot 15, A wiper head portion 12 rotatably fastened to the wiper pivot portion 15, a wiper arm 14 integrated into the wiper head 12 portion, and a wiper blade fastened to the wiper arm 14 It is composed of 10) parts.

여기서, 상기 와이퍼 헤드(12)부의 내면에 전자석(16)과 자성을 갖는 재료로 된 이동체(18)를 일정 거리로 유지시켜 설치한다.Here, the moving body 18 made of a magnetic material and an electromagnet 16 is provided on the inner surface of the wiper head 12 at a predetermined distance.

또한, 상기 이동체(18)의 일면에는 스프링(20)의 일측단이 고정되고, 스프링(20)의 타단은 상기 와이퍼 암(14)의 내면에 형성된 지지판에 고정시킨다.In addition, one side end of the spring 20 is fixed to one surface of the movable body 18, and the other end of the spring 20 is fixed to the support plate formed on the inner surface of the wiper arm 14.

이때, 상기 와이퍼 헤드(12)부의 내면에는 상기 이동체(18)의 탄성 이동 거리를 제한하는 걸림턱(22)이 일체로 형성된다.At this time, the locking jaw 22 for limiting the elastic moving distance of the movable body 18 is integrally formed on the inner surface of the wiper head 12.

특히, 상기 와이퍼 피봇부에는 접지수단(25,26)이 설치되는데, 와이퍼 헤드(12)부가 회전 가능하게 장착되는 피봇축 고정판(28) 상면에 배터리와 연결된 전원공급용 접지단(25)이 부착되고, 상기 와이퍼 피봇축에 고정된 와이퍼 헤드(12)부 저면에는 전자석(16)과 연결된 접지단(26)이 부착된다.In particular, the wiper pivot portion is provided with a grounding means (25, 26), the power supply ground terminal 25 connected to the battery is attached to the upper surface of the pivot shaft fixing plate 28 to which the wiper head 12 is rotatably mounted. The ground end 26 connected to the electromagnet 16 is attached to the bottom surface of the wiper head 12 fixed to the wiper pivot shaft.

좀 더 상세하게는, 상기 접지단(26)은 서로 접지되는 순간이 와이퍼 블레이드(10)의 와이핑되는 시간이고, 접지가 단락되는 시점이 와이퍼 블레이드(10)의 회전방향 전환시점에 이루어지도록 첨부한 도 3에 도시한 바와 같이, 배터리와 연결된 전원공급용 접지단(25)은 와이퍼 헤드(12)부의 전체 회전반경내에서 양끝쪽 부분(와이퍼 블레이드의 회전방향 전환지점)을 제외한 전체 회전반경내에 반원형으로 설치되고, 상기 전자석과 연결된 접지단(26)은 돌기 형태로 설치된다.In more detail, the ground end 26 is attached so that the moment of grounding each other is the time of wiping of the wiper blade 10, and the grounding short circuit is made at the time of switching the direction of rotation of the wiper blade 10. As shown in FIG. 3, the power supply ground terminal 25 connected to the battery is located within the entire radius of rotation of the wiper head 12 except for both end portions (rotational point of rotation of the wiper blade). It is installed in a semicircular shape, the ground end 26 connected to the electromagnet is installed in the form of a projection.

여기서 본 발명에 따른 자동차용 와이퍼의 소음 방지장치의 작동상태를 설명하면 다음과 같다.Here will be described the operating state of the noise reduction device of the vehicle wiper according to the present invention.

상기 와이퍼 피봇축을 중심으로 와이퍼 헤드(12)부가 소정의 각도로 회동을 하면, 와이퍼 헤드(12)부와 일체로 연결된 와이퍼 암(14)이 같은 각도로 회동을 하고, 이 와이퍼 암(14)에 의하여 와이퍼 블레이드(10)가 글래스면(24)에 대하여 와이핑 동작을 하게 된다.When the wiper head 12 rotates at a predetermined angle about the wiper pivot axis, the wiper arm 14 integrally connected to the wiper head 12 rotates at the same angle, and the wiper arm 14 As a result, the wiper blade 10 performs a wiping operation with respect to the glass surface 24.

이때, 상기 와이퍼 블레이드(10)가 글래스면(24)을 따라 와이핑 되는 시점에서는 상기 전자석(16)과 연결된 돌기형 접지단(26)이 배터리와 연결된 전원공급용 접지단(25)을 따라 슬라이드 접촉되며 접지가 이루어지는 바, 전원이 결국 전자석(16)으로 공급된다.At this time, when the wiper blade 10 is wiped along the glass surface 24, the protruding ground terminal 26 connected to the electromagnet 16 slides along the power supply ground terminal 25 connected to the battery. When contacted and grounded, power is eventually supplied to the electromagnet 16.

이어서, 상기 자력을 띤 전자석(16)으로 상기 이동체(18)가 자력으로 끌리면서 붙게 되며 이동하게 되는 바, 이 이동체(18)는 스프링(20)을 인장시키게 된다.Subsequently, the movable body 18 is attracted to the magnetic force by the magnetic force of the electromagnet 16, and the movable body 18 tensions the spring 20.

상기 스프링(20)의 인장은 와이퍼 암(14)을 글래스면(24)쪽으로 밀착되게 하는 모멘트를 제공하게 됨에 따라, 결국 블레이드(10)의 글래스면(24)에 대한 밀착력이 증대되어 용이한 와이핑을 제공하게 된다.As the tension of the spring 20 provides a moment for the wiper arm 14 to be in close contact with the glass surface 24, the adhesion force to the glass surface 24 of the blade 10 is increased, thereby facilitating easy wiping. Will provide a ping.

이와 반대로, 상기 와이퍼 블레이드(10)가 소정의 회동각 범위내에서 양쪽끝에 위치되어, 방향 전환이 이루어지는 시점에서는 상기 접지단(25,26)은 서로 단락되는 바, 자력이 해제된 전자석(16)으로부터 상기 이동체(18)는 스프링(20)의 복원력에 의하여 상기 걸림턱(22)에 걸리며 분리되어진다.On the contrary, the wiper blades 10 are positioned at both ends within a predetermined rotation angle range, and the ground ends 25 and 26 are shorted to each other when the direction change is made, so that the magnetic force is released. The moving body 18 is separated from the latching jaw 22 by the restoring force of the spring 20.

따라서, 인장된 스프링(20)의 상태가 풀리게 되어, 와이퍼 암(14)이 글래스면(24)으로부터 분리되는 모멘트가 작용함에 따라, 블레이드(10)가 글래스면(24)에서 떨어지게 되고, 이에따라 종래에 블레이드(10)의 방향전환시 글래스면(24)과의 마찰접촉으로 발생하던 소음을 제거할 수 있다.Thus, the tensioned spring 20 is released, so that the moment that the wiper arm 14 separates from the glass surface 24 acts, the blade 10 falls off the glass surface 24, and accordingly the conventional The noise generated by the frictional contact with the glass surface 24 at the time of changing the direction of the blade 10 can be removed.

한편, 상기 와이퍼의 미작동시에는 전자석(16)으로부터 이동체(18)가 분리된상태로서, 블레이드(10)가 항상 글래스면(24)으로부터 떨어진 상태가 되어, 블레이드의 마모를 방지할 수 있다.On the other hand, when the wiper is not in operation, the movable body 18 is separated from the electromagnet 16, and the blade 10 is always separated from the glass surface 24, thereby preventing wear of the blade.

이상에서 본 바와 같이, 본 발명에 따른 자동차용 와이퍼의 소음 방지장치에 의하면, 와이퍼 블레이드의 방향전환시 블레이드의 끝단면이 글래스면으로부터 분리되도록 함으로써, 종래에 와이퍼 블레이드의 방향 전환시 글래스면과 마찰접촉으로 발생하던 소음을 제거할 수 있는 장점이 있다.As described above, according to the noise suppression apparatus of the vehicle wiper according to the present invention, the end surface of the blade is separated from the glass surface when the direction of the wiper blade is switched, thereby conventionally friction with the glass surface when changing the direction of the wiper blade There is an advantage that can remove the noise caused by the contact.

Claims (3)

와이퍼의 헤드부(12)에 전자석(16)과 이동체(18)를 나란히 고정 설치하고, 와이퍼 암(14)에 스프링(20)의 일측단을 고정하는 동시에 스프링(20)의 타단을 상기 이동체(18)에 고정시키며, 블레이드(10)의 와이핑시 전자석(16)에 전류를 공급하는 접지가 이루어지고 방향전환 시점시 단락이 이루어지도록 한 접지수단(25,26)을 와이퍼의 피봇부(15)에 부착하여서 달성된 것을 특징으로 하는 자동차용 와이퍼의 소음 방지장치.The electromagnet 16 and the movable body 18 are fixedly installed side by side to the head portion 12 of the wiper, and one end of the spring 20 is fixed to the wiper arm 14 and the other end of the spring 20 is moved to the movable body ( 18, and the grounding means 25 and 26 which are grounded to supply electric current to the electromagnet 16 when wiping the blade 10 are made and a short circuit is made at the time of the change of direction, the pivot part 15 of the wiper. Noise reduction device for a vehicle wiper, characterized in that achieved by attaching to). 제 1 항에 있어서, 상기 와이퍼의 헤드부(12)에는 이동체(18)의 이동거리를 제한하는 걸림턱(22)이 형성된 것을 특징으로 하는 자동차용 와이퍼의 소음 방지장치.The device of claim 1, wherein the head portion (12) of the wiper has a locking jaw (22) for limiting the moving distance of the moving body (18). 제 1 항에 있어서, 상기 접지수단(25,26)은 와이퍼 피봇부(15)의 피봇축 고정판(28) 상면에 형성되고 배터리와 연결된 전원공급용 접지단(25)과, 상기 와이퍼 피봇축에 고정된 와이퍼 헤드부(12) 저면에 부착되어 상기 전자석에 전원을 전달하는 접지단(26)이 서로 접촉 가능하게 구성된 것을 특징으로 하는 자동차용 와이퍼의 소음 방지장치.According to claim 1, wherein the grounding means (25, 26) is formed on the upper surface of the pivot shaft fixing plate 28 of the wiper pivot portion 15 and the power supply ground terminal 25 connected to the battery, and the wiper pivot shaft Attached to the bottom of the fixed wiper head portion 12, the ground end 26 for transmitting power to the electromagnet is configured to be in contact with each other, the noise reduction device for a vehicle wiper.
KR10-2000-0041405A 2000-07-19 2000-07-19 Device for preventing noise of wiper for automobile Expired - Fee Related KR100375376B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778570B1 (en) * 2006-11-21 2007-11-22 현대자동차주식회사 Noise Reduction Wiper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980028465U (en) * 1996-11-22 1998-08-05 박병재 Automotive windshield wiper pressurization device
KR19980057824A (en) * 1996-12-30 1998-09-25 박병재 Car wipers
KR19980058514A (en) * 1996-12-30 1998-10-07 박병재 Electromagnet wiper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980028465U (en) * 1996-11-22 1998-08-05 박병재 Automotive windshield wiper pressurization device
KR19980057824A (en) * 1996-12-30 1998-09-25 박병재 Car wipers
KR19980058514A (en) * 1996-12-30 1998-10-07 박병재 Electromagnet wiper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778570B1 (en) * 2006-11-21 2007-11-22 현대자동차주식회사 Noise Reduction Wiper

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