KR100645074B1 - A brake booster - Google Patents

A brake booster Download PDF

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Publication number
KR100645074B1
KR100645074B1 KR1020050121655A KR20050121655A KR100645074B1 KR 100645074 B1 KR100645074 B1 KR 100645074B1 KR 1020050121655 A KR1020050121655 A KR 1020050121655A KR 20050121655 A KR20050121655 A KR 20050121655A KR 100645074 B1 KR100645074 B1 KR 100645074B1
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KR
South Korea
Prior art keywords
vehicle body
fastening
brake booster
coupling
fastening portion
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KR1020050121655A
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Korean (ko)
Inventor
이왕수
Original Assignee
주식회사 만도
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Priority to KR1020050121655A priority Critical patent/KR100645074B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/46Vacuum systems
    • B60T13/52Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/567Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of the casing or by its strengthening or mounting arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/3255Systems in which the braking action is dependent on brake pedal data
    • B60T8/3275Systems with a braking assistant function, i.e. automatic full braking initiation in dependence of brake pedal velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2201/00Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/03Brake assistants

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

A brake booster of a vehicle is provided to reduce expenses for the materials such as a bolt and a nut in connecting the brake booster with a vehicle body, and prevent tolerance between the bolt and a via hole of the vehicle body. A brake booster of a vehicle comprises a plurality of first fastening parts(43) and a plurality of second parts(50). The first fastening parts are attached to a rear cell(38) of the brake booster and connected to a vehicle body. The second fastening parts are formed on the vehicle body and connected with the first fastening parts. The first fastening part comprises an opening part, a space part, and a slant part. Connection boards of the vehicle body are inserted in the opening. The space part receives the second fastening part of the vehicle body. The second fastening part comprises the connection board, a connection guide part(53) extended from the connection board, a bending part(57) sloped toward the connection board by predetermined length, and a fixing part(60) extended from the vehicle body.

Description

브레이크 부스터{A Brake Booster} Brake Booster

도 1은 종래 브레이크 부스터와 차체의 결합구조의 단면도이다.1 is a cross-sectional view of a coupling structure of a conventional brake booster and a vehicle body.

도 2는 본 발명에 따른 브레이크 부스터의 후방셀에 체1체결부가 부착된 것을 나타낸 단면도이다.2 is a cross-sectional view showing that the body 1 fastening portion is attached to the rear cell of the brake booster according to the present invention.

도 3은 본 발명에 따른 브레이크 부스터의 후방셀에 체1체결부가 부착된 것을 나타낸 평면도이다.3 is a plan view showing that the body 1 fastening portion is attached to the rear cell of the brake booster according to the present invention.

도 4는 본 발명에 따른 차체면에 있는 제2체결부를 나타낸 평면도이다.Figure 4 is a plan view showing a second fastening portion on the vehicle body surface in accordance with the present invention.

도 5는 본 발명에 따른 복수의 제2체결부를 나타내는 사시도이다.5 is a perspective view illustrating a plurality of second fastening parts according to the present invention.

도 6은 본 발명에 따른 브레이크 부스터와 차체의 결합 구성을 나타낸 사시도이다.       6 is a perspective view showing a coupling configuration of the brake booster and the vehicle body according to the present invention.

도 7은 본 발명에 따른 브레이크 부스터와 차체의 결합 구성을 나타낸 정면도이다.7 is a front view showing a coupling configuration of the brake booster and the vehicle body according to the present invention.

도8(a)(b)는 본 발명에 따른 브레이크 부스터의 제1체결부와 차체의 제2체결부가 결합하는 과정을 나타낸 단면도이다.8 (a) and (b) are cross-sectional views illustrating a process of coupling the first fastening portion of the brake booster and the second fastening portion of the vehicle body according to the present invention.

*도면의 주요 기능에 대한 부호의 설명** Description of the symbols for the main functions of the drawings *

33: 고정볼트 35: 고정너트33: Fixing bolt 35: Fixing nut

38: 후방셀 40: 차체38: rear cell 40: body

43: 제1체결부 49: 제2체결부43: first connection part 49: second connection part

50: 결합판 53: 결합안내부50: coupling plate 53: coupling guide

60: 고정부 63: 융기부 60: fixed portion 63: raised portion

본 발명은 브레이크 부스터에 관한 것으로, 더욱 상세하게는 재료비 절감 및 자동차의 조립 사이클을 줄이기 위해 수용체를 이용하여 브레이크 부스터를 차체에 장착할 수 있도록 한 체결부를 포함하는 브레이크 부스터에 관한 것이다.The present invention relates to a brake booster, and more particularly, to a brake booster including a fastening portion for mounting a brake booster to a vehicle body by using a receptor to reduce material costs and reduce an assembly cycle of an automobile.

일반적으로, 차량용 브레이크 부스터는 브레이크 페달에 외력이 가해졌을 때, 그 내부의 공간과 외부의 압력차를 이용하여, 페달에 가해진 힘보다 훨씬 큰 제동력을 발생시키는 장치이다.In general, a vehicle brake booster is a device that generates a braking force much greater than the force applied to the pedal when an external force is applied to the brake pedal by using a pressure difference between the space inside and the outside.

이러한 부스터는 후방셀(38)에 마련된 복수의 고정볼트(33)을 통해 차량의 엔진룸 일측의 차체(40)에 장착되는데, 부스터의 후방셀(38)을 장착할 때는 고정볼트(33)를 차체에 형성된 관통공(34)에 끼운 후 고정너트(35)를 체결시켜서 고정한다.The booster is mounted to the vehicle body 40 at one side of the engine room of the vehicle through a plurality of fixing bolts 33 provided at the rear cell 38. When the rear cell 38 of the booster is mounted, the fixing bolt 33 is mounted. After inserting the through-hole 34 formed in the vehicle body by fastening the fixing nut 35 is fixed.

그런데, 이러한 부스터를 차체(40)에 결합하는 데 있어서 고정볼트(33)을 일단 차체의 관통공(34)에 끼운 후 고정너트(35)를 이용하여 결합하는 작업을 하는 경우 관통공(34)와 고정볼트(33)간의 공차가 맞지 않거나 볼트간의 간격과 관통공 간의 간격이 맞지 않는 경우의 문제가 발생하는 문제가 발생하였고, 이로 인하여 자동차의 조립사이클이 상대적으로 길어지는 단점이 있었다.By the way, in the coupling of the booster to the vehicle body 40, the fixing bolt 33 is inserted into the through hole 34 of the vehicle body, and then through the fixing nut 35 to perform the operation of combining the through hole 34 Problems occur when the tolerance between the bolt and the fixing bolt 33 does not match or the gap between the bolt and the gap between the through holes occurred, which has the disadvantage that the assembly cycle of the car is relatively long.

본 발명은 전술한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 브레이크 부스터의 후방셀에 부착된 제1체결부와 차체에 형성되어 결합판 및 고정부, 융기부 등을 포함한는 제2체결부를 이용하여 결합함으로써 재료비를 절감하고 자동차의 조립사이클 시간을 줄이는 브레이크 부스터를 제공하는 데 있다.The present invention is to solve the above-mentioned problems, an object of the present invention is to use a second fastening portion which is formed on the first fastening portion and the vehicle body attached to the rear cell of the brake booster, including a coupling plate, a fixing portion, a ridge and the like. In order to reduce the cost of materials and to reduce the assembly cycle time of a vehicle, the present invention provides a brake booster.

전술한 목적을 달성하기 위한 본 발명에 따른 브레이크 부스터는, 브레이크 부스터의 후방셀에 부착되어 차체와 결합되는 복수개의 제1체결부와, 상기 차체에 형성되어 상기 제1체결부와 결합되는 복수개의 제2체결부를 포함하는 것을 특징으로 한다.The brake booster according to the present invention for achieving the above object is a plurality of first fastening portions attached to the rear cell of the brake booster and coupled to the vehicle body, and a plurality of first fastening portions formed on the vehicle body and coupled to the first fastening portion. And a second fastening portion.

또한, 상기 복수개의 제1체결부는 상기 차체의 결합판이 진입하는 개구부와, 상기 차체의 제2체결부를 수용할 수 있는 공간과 경사부를 구비하는 것을 특징으로 한다.The plurality of first fastening parts may include an opening through which the coupling plate of the vehicle body enters, a space for accommodating the second fastening part of the car body, and an inclined part.

또한, 상기 제2체결부는 상기 차체면으로부터 소정 높이 이격되어 수용체와 대응되는 위치에 있는 결합판과, 상기 결합판으로부터 연장되어 굽어진 결합안내부와, 상기 결합판으로부터 차체 연결부를 향하여 소정길이 경사진 벤딩부와, 상기 결합판과 이격되고 차체면으로부터 연장되어 있는 고정부를 포함하는 것을 특징으로 한다.In addition, the second fastening portion may be spaced apart from the vehicle body surface by a predetermined height to correspond to the receiver, a coupling guide portion extending from the coupling plate, and a predetermined length from the coupling plate toward the vehicle body connecting portion. And a fixing portion extending from the vehicle body surface and spaced apart from the photographic bending portion and the coupling plate.

또한, 상기 고정부 후방과 결합판 후방에는 각각 경사지게 형성된 융기부를 구비하는 것을 특징으로 한다.In addition, the rear of the fixing portion and the back of the coupling plate is characterized in that it comprises a ridge formed inclined respectively.

이하에서는 본 발명에 따른 바람직한 실시예를 첨부 도면을 참조하여 상세히 설명한다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도2와 도3에서 도시한 바와 같이 본 발명에 따른 브레이크 부스터의 구성 부분인 제1체결부(43)는 브레이크 부스터의 후방셀(38)에 복수개가 부착되어 있으며 리벳(46)에 의하여 고정되는 구조이다. As shown in FIGS. 2 and 3, a plurality of first fastening portions 43, which are components of the brake booster according to the present invention, are attached to the rear cell 38 of the brake booster and fixed by rivets 46. Structure.

제1체결부(43)의 부착방향과 개구부(44)의 방향은 차체(40)의 제2체결부(49)와의 결합 위치에 따라서 각각 다르며, 제1체결부(43)는 개구부(44)를 제외하고 나머지 부분은 모두 외부와 폐쇄된 구조이다.The direction in which the first fastening portion 43 is attached and the direction of the opening portion 44 are different depending on the engagement position with the second fastening portion 49 of the vehicle body 40, and the first fastening portion 43 is the opening portion 44. Except for the rest, the rest are all external and closed.

또한, 제1체결부(43)의 후면에는 원활한 결합을 위한 경사부(47)가 구비되어 있다.In addition, the rear of the first fastening portion 43 is provided with an inclined portion 47 for smooth coupling.

도3에서 도시한 바와 같이 제1체결부(43)의 부착방향은 브레이크 부스터가 차체(40)와 결합하는 경우 브레이크 부스터를 차체(40)에서 바라보는 방향을 기준으로 시계 방향으로 회전시켜서 결합하기 위하여 이루어진 것이다.As shown in FIG. 3, when the brake booster is coupled to the vehicle body 40, the attachment direction of the first fastening portion 43 is rotated in a clockwise direction with respect to the direction viewed from the vehicle body 40. It was made for.

도 4에서 도시한 바와 같이 제1체결부(43)와 결합하는 차체(40)부분에는 브레이크 부스터에 부착된 제1체결부(43)와 체결되는 제2체결부(49)가 형성되는 바, 제2체결부(49)는 주된 결합부분인 결합판(50)과, 그 결합을 안내하고 결합 후 제1체결부(43) 내벽을 눌러 고정하는 역할을 하는 결합안내부(53)와, 차체연결부(56), 그리고 결합안내부(53)와 차체연결부(56) 사이에 존재하는 벤딩부(57), 제1 체결부(43)와 제2체결부(49)와의 결합시 상기 제1체결부(43)를 고정시키는 고정부(60)가 있다.As shown in FIG. 4, a second fastening part 49 is formed at a portion of the vehicle body 40 that is coupled to the first fastening part 43, and is fastened to the first fastening part 43 attached to the brake booster. The second fastening portion 49 is a coupling plate 50 which is a main coupling portion, a coupling guide portion 53 which guides the coupling and presses and fixes the inner wall of the first fastening portion 43 after coupling, and the vehicle body. The first fastening part when the connection part 56 and the bending part 57 and the first fastening part 43 and the second fastening part 49 existing between the coupling guide part 53 and the vehicle body connection part 56 are combined. There is a fixing part 60 for fixing the part 43.

도5에서 도시한 바와 같이 차체의 제2체결부(49)또한 브레이크 부스터의 제1체결부(43)처럼 그 방향이 결합 위치에 따라 각각 다르다.As shown in FIG. 5, the direction of the second fastening portion 49 of the vehicle body and the first fastening portion 43 of the brake booster also vary depending on the engagement position.

도5와 도시한 바과 같이 차체에 도3에서 도시한 브레이크 부스터의 제1체결부(43)을 결합하는 경우 제1체결부(43a)는 제2체결부(50a)에 결합되고, 나머지 제1체결부(43b, 43c, 43d)의 경우에도 각각 대응되는 제2체결부(50b, 50c, 50d)에 각각 결합된다.As shown in FIG. 5, when the first fastening portion 43 of the brake booster illustrated in FIG. 3 is coupled to the vehicle body, the first fastening portion 43a is coupled to the second fastening portion 50a and the remaining first fastening portion 43a is coupled to the second fastening portion 50a. In the case of the fastening parts 43b, 43c, and 43d, the fastening parts 43b, 43c, and 43d are respectively coupled to the corresponding second fastening parts 50b, 50c, and 50d.

도6와 도7에서 도시한 바과 같이 브레이크 부스터와 차체(40)을 결합하는 경우에 제1체결부(43)가 제2체결부(49)의 결합안내부(53)를 따라서 각각에 대응되는 제2체결부(49)에 결합될 수 있도록 처음에 각각의 제1체결부(43)를 제2체결부(49)와 어긋나게 위치시킨 뒤에 천천히 브레이크 부스터를 회전시키면서 결합하는 것이다.As shown in FIGS. 6 and 7, when the brake booster and the vehicle body 40 are coupled to each other, the first fastening portion 43 corresponds to each of the guides 53 of the second fastening portion 49. In order to be coupled to the second fastening portion 49, the first fastening portion 43 is first positioned to be offset from the second fastening portion 49, and then slowly rotated while the brake booster is engaged.

결합 초기에는 제1체결부(43)과 제2체결부(49)은 평행한 상태가 아니지만, 브레이크 부스터를 시계방향으로 회전시켜 가면서 결합안내부(53)가 먼저 제1체결부(43)에 진입하고 그 다음에 결합부(50)가 제1체결부(43)에 들어가면서 점점 평행한 상태가 되어간다.Initially, the first fastening part 43 and the second fastening part 49 are not parallel, but the coupling guide part 53 first rotates to the first fastening part 43 while rotating the brake booster clockwise. After entering, the engaging portion 50 enters the first fastening portion 43 and becomes increasingly parallel.

도8(a)에 도시한 바와 같이 브레이크 부스터의 제1체결부(43)와 제2체결부(49)와의 체결 단면도를 보면 브레이크 부스터와 차체(40)의 결합은 우선 브레이크 부스터를 시계방향으로 돌릴때 차체(40)에 있는 각각의 결합안내판(53)이 제1체결부(43)의 개구부(44)에 들어가면서 시작한다.As shown in FIG. 8A, when the first fastening portion 43 and the second fastening portion 49 of the brake booster are fastened to each other, the coupling between the brake booster and the vehicle body 40 first starts the brake booster clockwise. Each turn begins with each engaging guide plate 53 in the vehicle body 40 entering the opening 44 of the first fastening portion 43.

이때, 결합안내판(53)과 결합판(50)의 폭이 제1체결부(43)의 개구부의 폭보다 작기 때문에 브레이크 부스터를 계속 시계방향으로 회전시키면 제1체결부(43)의 개구부(44)가 결합안내판(53)을 지나 결합판(50), 벤딩부(57)을 순차적으로 지나 결국 차체연결부(56)과 만나서 정지, 결합한다. At this time, since the width of the coupling guide plate 53 and the coupling plate 50 is smaller than the width of the opening of the first fastening portion 43, if the brake booster continues to rotate clockwise, the opening 44 of the first fastening portion 43 ) Passes through the coupling guide plate 53, the coupling plate 50, the bending part 57 in sequence and eventually meets the body connection portion 56 to stop and engage.

이때, 차체의 고정부(60)은 제1체결부(43)후면의 경사부를 타고 위로 움직이다가 마지막에 후방셀(38)과 접촉하여 멈추고, 이후 제1체결부(43)의 후단부를 탄성을 이용하여 가압함으로서 제1체결부(43)가 제2체결부(50)에서 이탈하는 것을 방지하는 역할을 한다. At this time, the fixing part 60 of the vehicle body moves upward by riding the inclined part of the rear side of the first fastening part 43, and finally stops by contacting the rear cell 38, and then the rear end of the first fastening part 43 is elastic. By pressing the first fastening portion 43 serves to prevent the departure from the second fastening portion (50).

도8(b)에서 도시한 바와 같이 이렇게 각기 복수개의 제1체결부(43)가 각각 대응하는 제2체결부(49)와 결합하고, 상기 결합이 고정부(60)에 의하여 완결됨으로써, 브레이크 부스터와 차체의 결합은 완료된다.As shown in FIG. 8 (b), the plurality of first fastening portions 43 are respectively engaged with corresponding second fastening portions 49, and the coupling is completed by the fixing portion 60, thereby providing a brake. The combination of booster and bodywork is complete.

또한, 제1체결부(43)와 제2체결부(49)와의 결합이 완료되면, 자연스럽게 브레이크 부스터의 후방셀(38)은 차체의 융기부(63)와 직접적으로 접촉하게 된다.In addition, when the coupling between the first fastening portion 43 and the second fastening portion 49 is completed, the rear cell 38 of the brake booster naturally comes into direct contact with the raised portion 63 of the vehicle body.

상기에서 본 발명은 특정 실시예를 예시하여 설명하지만, 본 발명이 상기 실시예에 한정되는 것은 아니다. 당업자는 본 발명에 대한 다양한 변형, 수정을 용이하게 만들 수 있으며, 이러한 변형 또는 수정이 발명의 특징을 이용하는 한 본 발명의 범위에 포함되는다는 것을 명심하여야 한다.In the above, the present invention is described by illustrating specific embodiments, but the present invention is not limited to the above embodiments. Those skilled in the art should be able to easily make various changes and modifications to the present invention, and it should be noted that such variations or modifications are included within the scope of the present invention as long as they use the features of the present invention.

이상에서 상세히 설명한 바와 같이, 본 발명은 브레이크 부스터의 후방셀에 부착된 수용체와 차체의 결합판과의 결합이 용이하다는 장점을 이용하였기 때문에 기존의 고정볼트와 너트에 대한 재료비가 절감되고, 고정볼트와 차체의 관통공 사이의 공차가 달라지는 경우의 어려움을 제거하여, 자동차 조립 사이클 시간을 단축시킬 수 있는 효과가 있다.As described in detail above, the present invention uses the advantage of easy coupling of the coupling plate of the vehicle body with the receptor attached to the rear cell of the brake booster is reduced the material cost for the existing fixing bolts and nuts, fixing bolts By removing the difficulty when the tolerance between the through hole of the vehicle body is different, there is an effect that can shorten the vehicle assembly cycle time.

Claims (4)

브레이크 부스터의 후방셀에 부착되어 차체와 결합되는 복수개의 제1체결부와, 상기 차체에 형성되어 상기 제1체결부와 결합되는 복수개의 제2체결부를 포함하는 것을 특징으로 하는 브레이크 부스터.And a plurality of first fastening parts attached to the rear cell of the brake booster and coupled to the vehicle body, and a plurality of second fastening parts formed on the vehicle body and coupled to the first fastening parts. 제 1항에 있어서, The method of claim 1, 상기 복수개의 제1체결부는 상기 차체의 결합판이 진입하는 개구부와, 상기 차체의 제2체결부를 수용할 수 있는 공간과 경사부를 구비하는 것을 특징으로 하는 브레이크 부스터.And the plurality of first fastening parts includes an opening through which the coupling plate of the vehicle body enters, a space for accommodating the second fastening part of the vehicle body, and an inclined portion. 제 1항에 있어서,The method of claim 1, 상기 제2체결부는 상기 차체면으로부터 소정 높이 이격되어 수용체와 대응되는 위치에 있는 결합판과, 상기 결합판으로부터 연장되어 굽어진 결합안내부와, 상기 결합판으로부터 차체 연결부를 향하여 소정길이 경사진 벤딩부와, 상기 결합판과 이격되고 차체면으로부터 연장되어 있는 고정부를 포함하는 것을 특징으로 하는 브레이크 부스터.The second fastening portion is a coupling plate which is spaced apart from the vehicle body surface by a predetermined height to correspond to the receiver, a coupling guide portion extending from the coupling plate, and a bending inclined a predetermined length from the coupling plate toward the vehicle body connecting portion. And a fixing part spaced apart from the coupling plate and extending from the vehicle body surface. 제3항에 있어서,The method of claim 3, 상기 고정부 후방과 결합판 후방에는 각각 경사지게 형성된 융기부를 구비하는 것을 특징으로 하는 브레이크 부스터.Brake booster, characterized in that provided in the rear of the fixing portion and the engaging plate are formed inclined respectively.
KR1020050121655A 2005-12-12 2005-12-12 A brake booster KR100645074B1 (en)

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