KR200405452Y1 - A snap ring - Google Patents

A snap ring Download PDF

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Publication number
KR200405452Y1
KR200405452Y1 KR2020050029439U KR20050029439U KR200405452Y1 KR 200405452 Y1 KR200405452 Y1 KR 200405452Y1 KR 2020050029439 U KR2020050029439 U KR 2020050029439U KR 20050029439 U KR20050029439 U KR 20050029439U KR 200405452 Y1 KR200405452 Y1 KR 200405452Y1
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KR
South Korea
Prior art keywords
snap ring
free ends
inclined surfaces
circumferential surface
assembly
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KR2020050029439U
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Korean (ko)
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신동일
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유신정밀공업 주식회사
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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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
    • F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
    • F16B21/186—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details external, i.e. with contracting action
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/20—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening
    • F16B2/22—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Abstract

조립 및 탈거용 공구의 사용을 편리하게 하여 조립 및 탈거등의 작업성을 향상시키도록 개선된 스냅링에 대해 개시한다. 이 스냅링(100)은 소정폭으로 원호형으로 형성되고 양단에 자유단부(110)(120)를 가지며, 양단의 자유단부(110)(120)에 각각 외주면(101)으로부터 각 자유단부(110)(120)를 향하여 깊이가 깊어지는 경사면(111)(121)이 형성되고 각 자유단부(110)(120)에 외주면측으로 돌출되는 걸림턱(112)(122)이 형성된 구조를 가진다. 또한, 경사면(111)(121)과 접하는 각 걸림턱(112)(122)의 내면에는 수공구가 진입되어 이탈을 방지하는 요입홈(113)(123)이 형성되어 있다.Disclosed is an improved snap ring for facilitating the use of assembly and removal tools to enhance workability such as assembly and removal. The snap ring 100 is formed in an arc shape with a predetermined width and has free ends 110 and 120 at both ends, and each free end 110 from the outer circumferential surface 101 at the free ends 110 and 120 at both ends, respectively. The inclined surfaces 111 and 121 having a deeper depth toward the 120 are formed, and the locking jaws 112 and 122 protruding toward the outer circumferential surface side of the free ends 110 and 120 are formed. In addition, recesses 113 and 123 are formed in the inner surface of each of the engaging projections 112 and 122 in contact with the inclined surfaces 111 and 121 to prevent the detachment of the hand tool.

이와 같은 스냅링(100)은 외주면(101)으로부터 경사면(111)(121)이 형성되고 걸림턱(112)(122)이 형성된 구조를 가짐으로써 수공구(201)(202)의 벌림각도를 정확하게 조작하지 않더라도 경사면(111)(121)에 용이하게 진입이 가능하므로 양 자유단부(110)(120)를 간편하게 파지할 수 있게 한다. 이에따라서 스냅링의 조립작업성을 향상시킨다. 또한, 수공구(201)(202)가 진입되는 요입홈(113)(123)이 형성됨으로써 수공구의 이탈을 방지하여 안전한 조립을 가능하게 한다.Such a snap ring 100 has a structure in which the inclined surfaces 111 and 121 are formed from the outer circumferential surface 101 and the locking jaws 112 and 122 are formed so that the opening angles of the hand tools 201 and 202 cannot be accurately manipulated. If not, it is possible to easily enter the inclined surfaces (111, 121) so that both free ends (110, 120) can be easily gripped. This improves the assembly workability of the snap ring. In addition, the grooves 113 and 123 into which the hand tools 201 and 202 enter are formed, thereby preventing the hand tools from being separated, thereby enabling a safe assembly.

스냅링, 경사면, 걸림턱, 요입홈 Snap ring, slope, locking jaw, recess

Description

스냅링{A snap ring}Snap ring {A snap ring}

도 1은 종래 스냅링을 나타낸 사시도,1 is a perspective view showing a conventional snap ring,

도 2 및 도 3은 종래 다른 스냅링을 나타낸 개략도,2 and 3 is a schematic view showing another conventional snap ring,

도 4는 본 고안 실시예의 스냅링을 나타낸 사시도,4 is a perspective view showing a snap ring of an embodiment of the present invention,

도 5는 도 4의 평면도,5 is a plan view of FIG. 4;

도 6은 중공부재에 본 고안 실시예의 스냅링이 결합된 상태의 개략도이다.6 is a schematic view of a state in which the snap ring of the present invention is coupled to the hollow member.

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

100...스냅링 101...(스냅링의)외주면100 ... snap ring 101 ... outer surface

110,120...자유단부 111,121...경사면110,120 Free end 111,121 Slope

112,122...걸림턱 113,123...요입홈112,122 ... Jang jaw 113,123 ...

201,202...수공구 300...중공부재201,202 Hand tool 300 Hollow member

301...환형홈301 ... Round Groove

본 고안은 스냅링에 관한 것으로써, 특히 조립 및 탈거용 공구의 사용을 편리하게 하여 조립 및 탈거등의 작업성을 향상시키도록 개선된 스냅링에 관한 것이 다. The present invention relates to a snap ring, and more particularly, to an improved snap ring to facilitate the use of assembly and removal tools to improve workability, such as assembly and removal.

장착된 부재의 이동을 규제하는 스냅링(snap ring)은 축의 외주면에 장착되는 축용 스냅링과, 구멍의 내주면에 장착되는 구멍용 스냅링이 있다. The snap ring regulating the movement of the mounted member includes a shaft snap ring mounted on the outer circumferential surface of the shaft and a hole snap ring mounted on the inner circumferential surface of the hole.

축용 스냅링은 확경(擴徑)시키는 것에 의해 축 외주면에 장착시킬 수 있고, 구멍용 스냅링은 축경(縮徑)시키는 것에 의해 구멍 내주면에 장착할 수 있게 되어 있다.The shaft snap ring can be attached to the shaft outer circumferential surface by expanding the diameter, and the hole snap ring can be attached to the hole inner circumferential surface by reducing the diameter.

이와 같은 스냅링의 일예가 한국실용신안등록 출원번호 제2001-0034975호에 개시되어 있고 도 1에 그 일예의 도면이 도시되어 있다. 이는 축용 스냅링(50)을 나타낸 것으로써 양단부에 탈거공(51)(52)이 형성되고, 탈거공(51)(52)의 가장자리에 경사요홈(53)(54)이 형성된 구조로 되어 있다.An example of such a snap ring is disclosed in Korean Utility Model Registration Application No. 2001-0034975, which is shown in FIG. This shows the snap ring 50 for the shaft, and stripping holes 51 and 52 are formed at both ends, and the inclined grooves 53 and 54 are formed at the edges of the stripping holes 51 and 52.

이러한 스냅링(50)은 플라이어(60)의 절곡단부(63)(64)가 경사요홈(53)(54)에 지지되도록 함으로써 안전한 탈거작업을 가능하게 하고 있다.The snap ring 50 allows the bent end portions 63 and 64 of the pliers 60 to be supported by the inclined grooves 53 and 54 to enable a safe removal operation.

그러나 이와 같은 스냅링은 탈거공(51)(52)을 형성하기 위한 가공작업이 번거롭고, 스냅링(50)의 조립 및 탈거작업시 작은 탈거공(51)(52)에 플라이어(60)의 절곡단부(63)(64)을 결합시켜야 하므로 작업성이 현저히 저하된다. 즉, 플라이어(60)의 손잡이 파지력을 제어하여 절곡단부(63)(64)의 간격이 탈거공(51)(52)의 간격에 일치하도록 조절하여야 하므로 조립 및 탈거작업이 번거롭다.However, such a snap ring is cumbersome to work for forming the stripping hole (51) (52), the bending end of the pliers (60) in the small stripping hole (51) (52) during the assembly and removal of the snap ring 50 ( 63) (64) has to be combined, so workability is significantly reduced. That is, by controlling the grip gripping force of the pliers 60, the intervals of the bent ends (63) (64) should be adjusted to match the spacing of the stripping holes (51) (52), which is cumbersome for assembly and removal.

한편, 도 2 및 도 3은 한국특허출원번호 제2001-0029364호에 개시된 스냅링을 나타낸 것으로써, 이 스냅링(30)은 단절부(32)에 단차진 형태로 오목한 형상을 이루는 절결부(34)가 형성된 구조를 가지는 것으로써, 중공부재(12)에 조립된 스냅링(30)을 분해할 경우에는 절결부(34)로 드라이버와 같은 수공구를 끼운 다음, 이 수공구를 스냅링(30)의 중심방향으로 들어올리면, 중공부재(12)의 체결홈으로부터 결합된 스냅링(30)이 용이하게 이탈될 수 있게 한다.On the other hand, Figures 2 and 3 show the snap ring disclosed in Korean Patent Application No. 2001-0029364, the snap ring 30 is a cutout portion 34 to form a concave shape in stepped form in the cutout portion 32 By having a structure in which the structure is formed, when disassembling the snap ring 30 assembled in the hollow member 12, the hand tool such as a screwdriver is inserted into the notch 34, and then the hand tool toward the center of the snap ring 30 When lifted, the snap ring 30 coupled from the fastening groove of the hollow member 12 can be easily detached.

그러나 이와 같은 스냅링(30)구조는 수공구를 이용하여 분해하기에는 용이하지만, 중공부재(12)의 내주면에 결합시에는 수공구로서 스냅링(30)을 축경(縮徑)할 수 있도록 파지하는 것이 곤란하다.However, such a snap ring 30 structure is easy to disassemble using a hand tool, but when coupled to the inner circumferential surface of the hollow member 12, it is difficult to grip the snap ring 30 as a hand tool so that the shaft can be reduced in diameter.

본 고안은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로써, 공구로서 스냅링을 파지하기 간편하고 또한 안전하게 파지할 수 있으며 간편하게 탈거할 수 있도록 개선된 스냅링을 제공하는 데 그 목적이 있다.The present invention has been made to solve the above problems, the object of the present invention is to provide an improved snap ring for easy and safe gripping and easy removal of the snap ring as a tool.

상기 목적을 달성하는 본 고안은 구멍의 내주면에 결합되어 결합된 부재의 이동을 규제하며 그 양단부를 파지하는 수공구에 의해 축경가능한 스냅링에 있어서,The present invention to achieve the above object is in the snap ring that can be reduced by a hand tool coupled to the inner peripheral surface of the hole to regulate the movement of the coupled member and gripping both ends,

소정폭으로 원호형으로 형성되고 양단에 자유단부를 가지며,It is formed in an arc shape with a predetermined width and has free ends at both ends,

상기 양단의 자유단부에 각각 외주면으로부터 각 자유단부를 향하여 깊이가 깊어지는 경사면이 형성되고 각 자유단부에 외주면측으로 돌출되는 걸림턱이 형성된 것을 특징으로 한다.Each of the free ends of the both ends is formed with an inclined surface that is deeper toward each free end from the outer peripheral surface is formed, characterized in that each of the free end is formed with a locking projection protruding toward the outer peripheral surface side.

또한, 본 고안 스냅링은 상기 경사면과 접하는 상기 각 걸림턱의 내면에 상 기 수공구가 진입되어 이탈을 방지하는 요입홈이 형성된 것을 특징으로 한다.In addition, the present invention snap ring is characterized in that the recess is formed in the inner surface of each engaging jaw in contact with the inclined surface to form a recess groove to prevent the departure.

상기 본 고안의 특징에 의하면, 본 고안 스냅링은 양단의 자유단부에 경사면과 걸림턱이 형성됨으로써 수공구의 벌림각도를 작업자에 따라서 자유롭게 하여 수공구를 경사면에 자연스럽게 진입하여 파지할 수 있게 하므로 조립작업성을 향상시킨다.According to the features of the present invention, the snap ring of the present invention is formed by the inclined surface and the locking jaw at the free end of both ends to free the opening angle of the hand tool according to the operator so that the hand tool naturally enters and grasps the inclined surface, thereby assembling workability Improve.

이하 첨부된 도면을 참조하면서 본 고안에 따른 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 고안 실시예의 스냅링을 나타낸 도 4 내지 도 6은 중공부재(300)의 내주면에 형성된 환형홈(301)에 결합되는 구멍용 스냅링(100)을 나타낸다.4 to 6 showing the snap ring of the present invention embodiment shows a hole snap ring 100 coupled to the annular groove 301 formed on the inner peripheral surface of the hollow member (300).

이 스냅링(100)은 통상의 플라이어와 같은 수공구(201)(202)를 이용하여 양단부를 파지함으로써 축경(縮徑)되어 환형홈(301)에 결합될 수 있다.The snap ring 100 can be coupled to the annular groove 301 by shaft diameter by gripping both ends using hand tools 201 and 202 such as a conventional pliers.

본 고안 실시예의 스냅링(100)의 특징적 구성은 소정폭으로 원호형으로 형성되고 양단에 자유단부(110)(120)를 가지며, 상기 양단의 자유단부(110)(120)에 각각 외주면(101)으로부터 각 자유단부(110)(120)를 향하여 깊이가 깊어지는 경사면(111)(121)이 형성되고 각 자유단부(110)(120)에 외주면측으로 돌출되는 걸림턱(112)(122)이 형성된 구조를 가진다.The characteristic configuration of the snap ring 100 of the present invention is formed in an arc shape with a predetermined width and has free ends 110 and 120 at both ends, and outer peripheral surfaces 101 at the free ends 110 and 120 at both ends, respectively. The inclined surfaces 111 and 121 are formed to have depths toward the free ends 110 and 120 from each other, and the locking projections 112 and 122 are formed to protrude toward the outer circumferential surface of each free end 110 and 120. Has

또한, 실시예의 스냅링(100)에는 상기 경사면(111)(121)과 접하는 상기 각 걸림턱(112)(122)의 내면에 상기 수공구(201)(202)가 진입되어 이탈을 방지하는 요입홈(113)(123)이 형성되어 있다.In addition, in the snap ring 100 according to the embodiment, the hand tools 201 and 202 enter the inner surface of each engaging jaw 112 and 122 in contact with the inclined surfaces 111 and 121, and the recess grooves for preventing the separation thereof. 113 and 123 are formed.

상기와 같은 구성을 가지는 본 고안 실시예의 스냅링(100)은 각 자유단부 (110)(120)에 외주면(101)으로부터 점차 깊이가 깊어지는 경사면(111)(121)이 형성됨으로써, 도 5에 도시된 바와 같이 수공구(201)(202)의 벌림간격을 최소한 자유단부(110)(120) 사이의 간격보다 크게 벌리기만 하면 경사면(111)(121)을 통한 진입시도가 간편해진다.Snap ring 100 of the present invention embodiment having the configuration as described above is formed in each of the free end (110, 120) inclined surface 111, 121 is gradually deepened from the outer peripheral surface 101, as shown in FIG. As described above, simply opening the gap between the hand tools 201 and 202 at least greater than the distance between the free ends 110 and 120 facilitates the entry attempt through the inclined surfaces 111 and 121.

즉, 종래에는 도 1에 도시된 바와 같이, 수공구(플라이어; 60)의 단부를 스냅링(50)의 탈거공(51)(52)에 결합시키기 위하여는 탈거공(51)(52) 사이의 간격에 맞도록 수공구(60)의 단부 간격을 작업자가 정확하게 조작하여야 하므로 조립작업성이 낮은 것과는 달리, 본 고안 실시예의 스냅링(100)은 외주면(101)으로부터 경사면(111)(121)이 형성되고 걸림턱(112)(122)이 형성된 구조를 가짐으로써 수공구(201)(202)의 벌림각도를 정확하게 조작하지 않더라도 양 자유단부(110)(120)를 간편하게 파지할 수 있게 한다.That is, conventionally, as shown in Figure 1, in order to couple the end of the hand tool (flyer) 60 to the stripping hole (51) 52 of the snap ring 50, the gap between the stripping hole (51) (52) Unlike the low workability of assembly because the operator has to precisely manipulate the end interval of the hand tool 60 to fit in, the snap ring 100 of the present invention is formed from the outer peripheral surface 101, the inclined surface 111, 121 is caught By having a structure in which the jaws 112 and 122 are formed, both free ends 110 and 120 can be easily gripped even if the opening angles of the hand tools 201 and 202 are not accurately manipulated.

더욱이, 본 고안 실시예의 스냅링(100)에는 요입홈(113)(123)이 형성됨으로써 수공구(201)(201)의 파지시 이탈을 방지하여 안전하게 조립을 가능하게 한다.Further, the snap ring 100 of the present invention embodiment is formed by the recessed grooves 113, 123 to prevent the separation during the holding of the hand tools 201, 201 to enable a safe assembly.

또한, 도 6에 도시된 바와 같이, 스냅링(100)을 중공부재(300)의 환형홈(301)으로부터 탈거하는 경우, 중공부재(300)의 내주면과 스냅링(100)의 경사면(111)(121) 사이에 형성되는 틈새(115)(125)에 수공구(201)(202)를 진입시켜서 자유단부(110)(120)를 파지하여 축경(縮徑)시킴으로써 탈거시킬 수 있으며, 또는 틈새(115)(125)를 통하여 드라이버(미도시)와 같은 별도의 탈거부재를 진입시켜 자유단부(110)(120)를 탄성변형시켜서 탈거시킬수도 있다.6, when the snap ring 100 is removed from the annular groove 301 of the hollow member 300, the inner circumferential surface of the hollow member 300 and the inclined surfaces 111 and 121 of the snap ring 100 are removed. The hand tools 201 and 202 may be inserted into the gaps 115 and 125 formed therebetween, and the free ends 110 and 120 may be grasped and shaft-removed, or the gaps 115 may be removed. A separate stripping member such as a driver (not shown) may be inserted through the 125 to remove the free ends 110 and 120 by elastic deformation.

상술한 바와 같은 본 고안 상기 본원의 정신과 범위를 이탈함이 없이 상기 실시예에 한정되지 아니하고 많은 변형을 가하여 실시될 수 있다.The present invention as described above is not limited to the above embodiments without departing from the spirit and scope of the present application can be carried out by adding a number of modifications.

상술한 바와 같은 본 고안 스냅링(100)은 외주면(101)으로부터 경사면(111)(121)이 형성되고 걸림턱(112)(122)이 형성된 구조를 가짐으로써 수공구(201)(202)의 벌림각도를 정확하게 조작하지 않더라도 경사면(111)(121)에 용이하게 진입이 가능하므로 양 자유단부(110)(120)를 간편하게 파지할 수 있게 한다. 이에따라서 스냅링의 조립작업성을 향상시킨다.As described above, the present invention snap ring 100 has a structure in which the inclined surfaces 111 and 121 are formed from the outer circumferential surface 101 and the locking jaws 112 and 122 are formed, so that the opening angles of the hand tools 201 and 202 can be obtained. Since it is possible to easily enter the inclined surfaces (111, 121) even if not accurately manipulated both free ends (110, 120). This improves the assembly workability of the snap ring.

또한, 수공구(201)(202)가 진입되는 요입홈(113)(123)이 형성됨으로써 수공구의 이탈을 방지하여 안전한 조립을 가능하게 한다.In addition, the grooves 113 and 123 into which the hand tools 201 and 202 enter are formed, thereby preventing the hand tools from being separated, thereby enabling a safe assembly.

Claims (2)

구멍의 내주면에 결합되어 결합된 부재의 이동을 규제하며 그 양단부를 파지하는 수공구에 의해 축경가능한 스냅링에 있어서,In the snap ring which is axially reduced by a hand tool coupled to the inner circumferential surface of the hole to regulate the movement of the coupled member and grasp both ends thereof, 소정폭으로 원호형으로 형성되고 양단에 자유단부(110)(120)를 가지며,It is formed in an arc shape with a predetermined width and has free ends 110 and 120 at both ends, 상기 양단의 자유단부(110)(120)에 각각 외주면(101)으로부터 각 자유단부(110)(120)를 향하여 깊이가 깊어지는 경사면(111)(121)이 형성되고 각 자유단부(110)(120)에 외주면측으로 돌출되는 걸림턱(112)(122)이 형성된 것을 특징으로 하는 스냅링.The inclined surfaces 111 and 121 are formed on the free ends 110 and 120 at both ends from the outer circumferential surface 101 toward the free ends 110 and 120, respectively. Snap ring, characterized in that the engaging projection (112, 122) protruding toward the outer peripheral surface side. 제 1 항에 있어서, 상기 경사면(111)(121)과 접하는 상기 각 걸림턱(112)(122)의 내면에 상기 수공구가 진입되어 이탈을 방지하는 요입홈(113)(123)이 형성된 것을 특징으로 하는 스냅링.The method of claim 1, wherein the hand tool is entered into the inner surface of each of the engaging jaw (112, 122) in contact with the inclined surface (111, 121) is characterized in that the recessed grooves (113, 123) to prevent separation. Snap ring.
KR2020050029439U 2005-10-17 2005-10-17 A snap ring KR200405452Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109654203A (en) * 2019-02-21 2019-04-19 浙江万里扬股份有限公司 Speed changer and vehicle
JP2019218990A (en) * 2018-06-19 2019-12-26 横浜ゴム株式会社 Retaining Ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019218990A (en) * 2018-06-19 2019-12-26 横浜ゴム株式会社 Retaining Ring
JP7172161B2 (en) 2018-06-19 2022-11-16 横浜ゴム株式会社 retaining ring
CN109654203A (en) * 2019-02-21 2019-04-19 浙江万里扬股份有限公司 Speed changer and vehicle

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