KR20160102637A - Fixed type constant velocity joint - Google Patents

Fixed type constant velocity joint Download PDF

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Publication number
KR20160102637A
KR20160102637A KR1020150024934A KR20150024934A KR20160102637A KR 20160102637 A KR20160102637 A KR 20160102637A KR 1020150024934 A KR1020150024934 A KR 1020150024934A KR 20150024934 A KR20150024934 A KR 20150024934A KR 20160102637 A KR20160102637 A KR 20160102637A
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KR
South Korea
Prior art keywords
ball
track
joint member
torque transmitting
tracks
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KR1020150024934A
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Korean (ko)
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이현일
김동진
정재승
김기훈
이장선
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이래오토모티브시스템 주식회사
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Priority to KR1020150024934A priority Critical patent/KR20160102637A/en
Publication of KR20160102637A publication Critical patent/KR20160102637A/en

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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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
    • F16D3/2245—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere where the groove centres are offset from the joint centre
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22303—Details of ball cages
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D2003/22313—Details of the inner part of the core or means for attachment of the core on the shaft

Abstract

A fixed type constant velocity joint comprises: an outer joint member having a plurality of outer track grooves; an inner joint member having a plurality of inner track grooves which make a pair of the outer track grooves to form a plurality of ball tracks; a plurality of toque transmission balls individually arranged in the ball tracks; and a ball cage arranged between the outer joint member and the inner joint member, and having a plurality of windows which individually accommodate the torque transmission balls. Moreover, the torque transmission balls have a first torque transmission ball and a second torque transmission ball which have a different size.

Description

고정형 등속 조인트{Fixed type constant velocity joint}Fixed type constant velocity joint "

본 발명은 차량 등에서 동력 전달을 위해 사용되는 고정형 등속 조인트에 관한 것이다.The present invention relates to a fixed constant velocity joint used for power transmission in a vehicle or the like.

고정형 등속 조인트는 아웃터 조인트 멤버와 인너 조인트 멤버를 포함하며, 아웃터 조인트 멤버와 인너 조인트 멤버는 각각 트랙 그루브를 포함한다. 아웃터 조인트 멤버의 트랙 그루브와 인너 조인트 멤버의 트랙 그루브가 쌍을 이루어 볼 트랙을 형성하고, 각 볼 트랙에는 토크 전달을 위한 토크 전달 볼이 배치된다. 그리고 토크 전달 볼은 아웃터 조인트 멤버와 인너 조인트 멤버 사이에 배치되는 볼 케이지에 수용된다.The fixed constant velocity joint includes an outer joint member and an inner joint member, wherein the outer joint member and the inner joint member each include a track groove. The track groove of the outer joint member and the track groove of the inner joint member are paired to form a ball track, and a torque transmitting ball for torque transmission is disposed in each ball track. And the torque transmitting ball is received in a ball cage disposed between the outer joint member and the inner joint member.

고정형 등속 조인트의 효율을 높이기 위한 방법의 하나로 복수의 볼 트랙 그루브의 형상을 동일하지 않게 하는 방법이 소개되었는데, 이 경우 볼 트랙 그루브의 형태가 다르게 됨에 따라 각각의 볼 그루브가 받는 응력 값이 달라지게 되는 문제가 있었다.As a method for increasing the efficiency of a fixed constant velocity joint, there has been disclosed a method of making the shapes of a plurality of ball track grooves not identical. In this case, the shape of the ball track grooves is different, There was a problem.

미국 등록특허 US8,568,245US registered patent US 8,568,245 미국 공개특허 US2012/0202607U.S. Published patent application US2012 / 0202607

본 발명은 상기한 문제점을 해결하기 위해 도출된 것으로 본 발명이 해결하고자 하는 과제는 형태가 다른 볼 트랙 그루브를 포함하는 고정형 등속 조인트에서 서로 다른 형태의 볼 트랙 그루브에 작용하는 응력의 차이를 줄일 수 있는 고정형 등속 조인트를 제공하는 것이다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a fixed constant velocity joint including a ball track groove having different shapes, which can reduce a difference in stress acting on different types of ball track grooves The present invention provides a fixed-type constant velocity joint having a fixed end.

본 발명의 실시 예에 따른 고정형 등속 조인트는 복수의 아웃터 트랙 그루브를 가지는 아웃터 조인트 멤버, 상기 복수의 아웃터 트랙 그루브와 각각 쌍을 이루어 복수의 볼 트랙을 형성하는 복수의 인너 트랙 그루브를 가지는 인너 조인트 멤버, 상기 복수의 볼 트랙에 각각 배치되는 복수의 토크 전달 볼, 그리고 상기 아웃터 조인트 멤버와 상기 인너 조인트 멤버 사이에 배치되며 상기 복수의 토크 전달 볼을 각각 수용하는 복수의 윈도우를 구비하는 볼 케이지를 포함한다. 상기 복수의 토크 전달 볼은 서로 다른 크기의 제1 토크 전달 볼과 제2 토크 전달 볼을 포함한다.A fixed constant velocity joint according to an embodiment of the present invention includes an outer joint member having a plurality of outer track grooves, an inner joint member having a plurality of inner track grooves and a plurality of inner track grooves paired with the plurality of outer track grooves, A plurality of torque transmitting balls disposed in each of the plurality of ball tracks, and a ball cage disposed between the outer joint member and the inner joint member and having a plurality of windows each of which receives the plurality of torque transmitting balls do. The plurality of torque transmitting balls include a first torque transmitting ball and a second torque transmitting ball of different sizes.

상기 복수의 볼 트랙은 서로 다른 형태의 제1 볼 트랙과 제2 볼 트랙을 포함할 수 있고, 상기 제1 토크 전달 볼과 상기 제2 토크 전달 볼은 상기 제1 볼 트랙과 상기 제2 볼 트랙에 각각 배치될 수 있다.The plurality of ball tracks may include a first ball track and a second ball track of different shapes, and the first torque transmitting ball and the second torque transmitting ball may include a first ball track and a second ball track, Respectively.

상기 제1 볼 트랙과 상기 제2 볼 트랙은 인접하도록 배치될 수 있다.The first ball track and the second ball track may be disposed adjacent to each other.

상기 복수의 볼 트랙은 짝수 개로 구비될 수 있고, 상기 제1 볼 트랙과 상기 제2 볼 트랙은 원주방향으로 교대로 배열될 수 있다.The plurality of ball tracks may be provided in an even number, and the first ball track and the second ball track may be alternately arranged in the circumferential direction.

본 발명에 의하면, 볼 트랙의 형태를 다르게 하여 효율을 향상시킴과 동시에 서로 다른 형태의 볼 트랙에 서로 다른 크기의 토크 전달 볼을 배치함으로써 서로 다른 형태의 볼 트랙 사이의 응력 차이를 줄일 수 있다.According to the present invention, it is possible to improve the efficiency of the ball track by changing the shape of the ball track, and reduce the stress difference between different types of ball tracks by disposing torque transmission balls of different sizes in different types of ball tracks.

도 1은 본 발명의 실시 예에 따른 고정형 등속 조인트를 개략적으로 보여주는 정면도이다.
도 2는 도 1의 Ⅱ-Ⅱ선을 따라 절개한 단면도이다.1 is a front view schematically showing a fixed constant velocity joint according to an embodiment of the present invention.
2 is a cross-sectional view taken along the line II-II in FIG.

이하에서 첨부된 도면을 참조하여 본 발명의 실시 예에 대해 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1 및 도 2를 참조하면, 본 발명의 실시 예에 따른 고정형 등속 조인트는 아웃터 조인트 멤버(outer joint member)(10)와 인너 조인트 멤버(inner joint member)(20)를 포함한다. 인너 조인트 멤버(20)와 아웃터 조인트 멤버(10)는 각각 구동부 및 종동부에 연결될 수 있다. 아웃터 조인트 멤버(10)에는 함몰부가 형성되고, 이 함몰부에 인너 조인트(20)가 삽입된다.Referring to FIGS. 1 and 2, a fixed constant velocity joint according to an embodiment of the present invention includes an outer joint member 10 and an inner joint member 20. The inner joint member 20 and the outer joint member 10 may be connected to the driving portion and the follower portion, respectively. A depression is formed in the outer joint member 10, and the inner joint 20 is inserted into the depression.

아웃터 조인트 멤버(10)는 복수의 제1 아웃터 트랙 그루브(outer track groove)(13a), 그리고 복수의 제2 아웃터 트랙 그루브(13b)를 가지는 내면(11)을 포함한다. 한편, 인너 조인트 멤버(20)는 복수의 제1 인너 트랙 그루브(inner track groove)(23a), 그리고 복수의 제2 인너 트랙 그루브(23b)를 가지는 외면(21)을 포함한다.The outer joint member 10 includes an inner surface 11 having a plurality of first outer track grooves 13a and a plurality of second outer track grooves 13b. On the other hand, the inner joint member 20 includes an outer surface 21 having a plurality of first inner track grooves 23a and a plurality of second inner track grooves 23b.

제1 아웃터 트랙 그루브(13a)와 제1 인너 트랙 그루브(23a)가 쌍을 이루어 복수의 제1 볼 트랙(130a)을 형성하고, 제2 아웃터 트랙 그루브(13b)와 제2 인너 트랙 그루브(23b)가 쌍을 이루어 복수의 제2 볼 트랙(130b)을 형성한다. 예를 들어, 도 1에 도시된 바와 같이, 제1 및 제2 아웃터 트랙 그루브(13a, 13b)가 각각 4개씩 구비되고 이에 대응하여 제1 및 제2 인너 트랙 그루브(23a, 23b)가 각각 4개씩 구비되는 경우, 제1 및 제2 볼 트랙(130a, 130b)이 각각 4개씩 형성되어 총 8개의 볼 트랙이 형성된다. 그러나 본 발명은 8개의 볼 트랙에 한정되지 않고 볼 트랙이 6개, 10개, 12 등인 경우에도 적용될 수 있다.The first outer track groove 13a and the first inner track groove 23a are paired to form a plurality of first ball tracks 130a and the second outer track groove 13b and the second inner track groove 23b Are formed as a pair to form a plurality of second ball tracks 130b. For example, as shown in FIG. 1, four first and second outer track grooves 13a and 13b are provided, and correspondingly, first and second inner track grooves 23a and 23b correspond to four Four first and second ball tracks 130a and 130b are formed to form a total of eight ball tracks. However, the present invention is not limited to eight ball tracks but may be applied to six, ten, twelve, etc. ball tracks.

복수의 토크 전달 볼(torque transmitting ball)(31, 33)이 복수의 볼 트랙(130a, 130b)에 각각 배치된다. 예를 들어, 8개의 볼 트랙이 형성되는 경우, 8개의 토크 전달 볼이 8개의 볼 트랙에 각각 하나씩 배치될 수 있다.A plurality of torque transmitting balls 31 and 33 are disposed on the plurality of ball tracks 130a and 130b, respectively. For example, in the case where eight ball tracks are formed, eight torque transmission balls may be arranged in each of eight ball tracks one by one.

볼 케이지(ball cage)(40)가 아웃터 조인트 멤버(10)와 인너 조인트 멤버(20) 사이에 배치된다. 볼 케이지(40)는 복수의 토크 전달 볼(31, 33)을 수용한다. 이를 위해, 볼 케이지(40)에는 원주 방향을 따라 복수의 윈도우(41)가 형성될 수 있으며, 토크 전달 볼(31, 33)이 윈도우(41)에 각각 삽입될 수 있다. 볼 트랙(130a, 130b)이 8개인 경우, 볼 케이지(40)의 윈도우(41) 및 토크 전달 볼(31, 33)도 각각 8개로 구비된다.A ball cage 40 is disposed between the outer joint member 10 and the inner joint member 20. The ball cage 40 receives a plurality of torque transmitting balls 31, 33. For this, a plurality of windows 41 may be formed in the ball cage 40 along the circumferential direction, and the torque transmission balls 31 and 33 may be inserted into the window 41, respectively. When the number of the ball tracks 130a and 130b is eight, the number of the window 41 of the ball cage 40 and the number of the torque transmitting balls 31 and 33 are eight, respectively.

복수의 토크 전달 볼(31, 33)은 크기가 서로 다른 제1 토크 전달 볼(31)과 제2 토크 전달 볼(33)을 포함할 수 있다. 이때, 도면에는 명시하지 않았으나, 서로 다른 크기의 토크 전달 볼(31, 33)을 수용하는 볼 케이지(40)의 윈도우(41)도 서로 다른 크기로 형성될 수 있다. 예를 들어, 8개의 토크 전달 볼이 구비되는 경우 크기가 상대적으로 큰 제1 토크 전달 볼(31)이 4개, 크기가 상대적으로 작은 토크 전달 볼(33)이 4개 구비될 수 있다.The plurality of torque transmitting balls 31, 33 may include a first torque transmitting ball 31 and a second torque transmitting ball 33 of different sizes. At this time, the windows 41 of the ball cage 40 receiving the torque transmitting balls 31 and 33 of different sizes may be formed to have different sizes, though not shown in the drawings. For example, when eight torque transmitting balls are provided, four first torque transmitting balls 31 having a relatively large size and four torque transmitting balls 33 having a relatively small size may be provided.

이때, 크기가 다른 토크 전달 볼(31, 33)이 배치되는 제1 및 제2 볼 트랙(130a, 130b)은 서로 다른 형태로 형성될 수 있다. 예를 들어, 제1 및 제2 볼 트랙(130a, 130b)은 서로 다른 모양 또는 크기를 갖도록 형성될 수 있다.At this time, the first and second ball tracks 130a and 130b, in which the torque transmission balls 31 and 33 of different sizes are disposed, may be formed in different shapes. For example, the first and second ball tracks 130a and 130b may be formed to have different shapes or sizes.

한편, 도 1을 참조하면, 제1 볼 트랙(130a)에 배치되는 제1 토크 전달 볼(31)과 제2 볼 트랙(130b)에 배치되는 제2 토크 전달 볼(33)이 인접하게 배치될 수 있다. 또한 볼 트랙(130a, 130b)과 토크 전달 볼(31, 33)이 짝수 개로 구비될 수 있고, 제1 및 제2 볼 트랙(130a, 130b)이 원주방향으로 교대로 배치될 수 있다.1, the first torque transmitting ball 31 disposed on the first ball track 130a and the second torque transmitting ball 33 disposed on the second ball track 130b are disposed adjacent to each other . The ball tracks 130a and 130b and the torque transmission balls 31 and 33 may be provided in an even number and the first and second ball tracks 130a and 130b may be arranged alternately in the circumferential direction.

이상에서 본 발명의 실시 예를 설명하였으나, 본 발명의 권리범위는 이에 한정되지 아니하며 본 발명의 실시 예로부터 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 용이하게 변경되어 균등한 것으로 인정되는 범위의 모든 변경 및 수정을 포함한다.While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes and modifications to the scope of the invention.

10: 아웃터 조인트 멤버
13a, 13b: 아웃터 트랙 그루브
20: 인너 조인트 멤버
23a, 23b: 인너 트랙 그루브
130a, 130b: 볼 트랙
31, 33: 토크 전달 볼
40: 볼 케이지
41: 윈도우
L: 조인트 길이방향 축10: Outer joint member
13a, 13b: Outer track groove
20: inner joint member
23a, 23b: Inner track groove
130a, 130b: ball track
31, 33: Torque transmission balls
40: Ball cage
41: Windows
L: Joint longitudinal axis

Claims (4)

복수의 아웃터 트랙 그루브를 가지는 아웃터 조인트 멤버,
상기 복수의 아웃터 트랙 그루브와 각각 쌍을 이루어 복수의 볼 트랙을 형성하는 복수의 인너 트랙 그루브를 가지는 인너 조인트 멤버,
상기 복수의 볼 트랙에 각각 배치되는 복수의 토크 전달 볼, 그리고
상기 아웃터 조인트 멤버와 상기 인너 조인트 멤버 사이에 배치되며 상기 복수의 토크 전달 볼을 각각 수용하는 복수의 윈도우를 구비하는 볼 케이지를 포함하고,
상기 복수의 토크 전달 볼은 서로 다른 크기의 제1 토크 전달 볼과 제2 토크 전달 볼을 포함하는 고정형 등속 조인트.An outer joint member having a plurality of outer track grooves,
An inner joint member having a plurality of inner track grooves and a plurality of inner track grooves paired with each other to form a plurality of ball tracks,
A plurality of torque transmitting balls respectively disposed in the plurality of ball tracks, and
And a ball cage disposed between the outer joint member and the inner joint member and having a plurality of windows each of which receives the plurality of torque transmitting balls,
Wherein the plurality of torque transmitting balls comprise first torque transmitting balls and second torque transmitting balls of different sizes. 제1항에서,
상기 복수의 볼 트랙은 서로 다른 형태의 제1 볼 트랙과 제2 볼 트랙을 포함하고,
상기 제1 토크 전달 볼과 상기 제2 토크 전달 볼은 상기 제1 볼 트랙과 상기 제2 볼 트랙에 각각 배치되는 고정형 등속 조인트.The method of claim 1,
Wherein the plurality of ball tracks include a first ball track and a second ball track of different shapes,
Wherein the first torque transmitting ball and the second torque transmitting ball are disposed on the first ball track and the second ball track, respectively. 제1항에서,
상기 제1 볼 트랙과 상기 제2 볼 트랙은 인접하도록 배치되는 고정형 등속 조인트.The method of claim 1,
Wherein the first ball track and the second ball track are disposed adjacent to each other. 제1항에서,
상기 복수의 볼 트랙은 짝수 개로 구비되고,
상기 제1 볼 트랙과 상기 제2 볼 트랙은 원주방향으로 교대로 배열되는 고정형 등속 조인트.The method of claim 1,
Wherein the plurality of ball tracks are provided in an even number,
Wherein the first ball track and the second ball track are alternately arranged in the circumferential direction.
KR1020150024934A 2015-02-23 2015-02-23 Fixed type constant velocity joint KR20160102637A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0726651B2 (en) * 1988-03-17 1995-03-29 レール・ウント・ブロンカンプ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Synchronous slide fittings
JP2008215556A (en) * 2007-03-06 2008-09-18 Ntn Corp Constant velocity universal joint
US20120202607A1 (en) 2009-11-25 2012-08-09 Teruaki Fujio Fixed type constant velocity universal joint
JP2013133918A (en) * 2011-12-27 2013-07-08 Ntn Corp Constant velocity universal joint

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0726651B2 (en) * 1988-03-17 1995-03-29 レール・ウント・ブロンカンプ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Synchronous slide fittings
JP2008215556A (en) * 2007-03-06 2008-09-18 Ntn Corp Constant velocity universal joint
US20120202607A1 (en) 2009-11-25 2012-08-09 Teruaki Fujio Fixed type constant velocity universal joint
JP2013133918A (en) * 2011-12-27 2013-07-08 Ntn Corp Constant velocity universal joint

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
미국 등록특허 US8,568,245
일본 특허공보 특허 제 5227397호(2013.07.03.) 1부. *

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