CN117703958A - One-way clutch - Google Patents
One-way clutch Download PDFInfo
- Publication number
- CN117703958A CN117703958A CN202311085063.7A CN202311085063A CN117703958A CN 117703958 A CN117703958 A CN 117703958A CN 202311085063 A CN202311085063 A CN 202311085063A CN 117703958 A CN117703958 A CN 117703958A
- Authority
- CN
- China
- Prior art keywords
- portions
- way clutch
- circumferential direction
- cam member
- outer ring
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000013585 weight reducing agent Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The invention provides a one-way clutch capable of improving assembly performance and reducing weight without damaging a retainer. The retainer (9) is provided with an annular plate (21) disposed on a central axis (C), a plurality of bearing parts (31) for supporting an inner circumferential surface (13) of the outer ring and a plurality of cam member holding parts (23) which are the same as the bearing parts (31) and hold two or more predetermined numbers of cam members (7) at predetermined intervals in the circumferential direction are provided on one axial side surface of the annular plate (21), the plurality of bearing parts (31) are disposed at diagonal positions at equal angular intervals in the circumferential direction with respect to the central axis (C), the plurality of cam member holding parts (23) are disposed at angular positions at equal angular intervals in the circumferential direction with respect to the central axis (C), the plurality of bearing parts (31) and the plurality of cam member holding parts (23) are alternately disposed in the circumferential direction, and the annular plate (21) is formed with a plurality of notch parts (43, 45) extending in the radial direction.
Description
Technical Field
The present invention relates to a one-way clutch used for torque transmission in vehicles and industrial machines.
Background
Conventionally, there is a one-way clutch having a bearing function as a retainer which is one of constituent members, in a one-way clutch including a mechanism for transmitting rotational power in one direction and locking the rotational power in the opposite direction (for example, refer to patent document 1).
The retainer (retainer ring) of the one-way clutch of patent document 1 concentrically supports the outer ring and the inner ring, and in consideration of the assemblability of the outer and inner rings, notches extending in the axial direction are provided at predetermined intervals in the circumferential direction.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open No. 7-208506
Disclosure of Invention
Problems to be solved by the invention
In recent years, in vehicles and the like, the requirements for weight reduction of mounted devices and apparatuses have become strict. Therefore, in an automatic transmission or the like as a device using a one-way clutch, resinification of a retainer as a constituent member of the one-way clutch is being studied as one method of reducing the weight.
However, when the retainer of the one-way clutch of patent document 1 is made into resin, stress in the radial direction in the retainer is relaxed and reduced due to the shape thereof, and there is a possibility that the retainer may be broken when the outer and inner rings are assembled to the retainer or when the retainer is assembled as a one-way clutch to an apparatus such as an automatic transmission or an industrial machine.
The present invention has been made in view of such circumstances, and an object thereof is to provide a one-way clutch capable of achieving improvement in assemblability and weight reduction without damaging a retainer.
Means for solving the problems
In order to solve the above problems, a one-way clutch according to the present invention includes:
an inner ring;
an outer ring concentrically arranged on a central axis of the inner ring;
a plurality of cam members interposed between the inner ring and the outer ring for transmitting torque between the inner ring and the outer ring;
a holding member for holding a plurality of the cam members; and
a spring member for biasing the plurality of cam members to a torque non-transmission position,
the one-way clutch is characterized in that,
the holding member includes an annular plate disposed on the central axis, a plurality of bearing portions for supporting an inner peripheral surface of the outer ring, and a plurality of holding portions, which are the same as the bearing portions, for holding two or more predetermined numbers of the cam members at predetermined intervals in the circumferential direction are provided on one surface of the annular plate in the axial direction,
the plurality of bearing portions are disposed at angular positions at equal angular intervals in the circumferential direction with respect to the central axis, the plurality of holding portions are disposed at angular positions at equal angular intervals in the circumferential direction with respect to the central axis,
the plurality of bearing portions and the plurality of holding portions are alternately arranged in the circumferential direction,
the annular plate is formed with a plurality of notched portions extending in the radial direction.
Effects of the invention
According to the present invention, it is possible to provide a one-way clutch that can achieve improvement in assemblability and weight reduction without damaging the retainer.
Drawings
Fig. 1 is a front view showing a state of the one-way clutch of the embodiment as viewed from one axial side.
Fig. 2 is a side view showing a state of the one-way clutch of the embodiment as viewed from the radial direction.
Fig. 3 is a perspective view showing an external appearance of the one-way clutch of the embodiment.
Fig. 4 is an enlarged cross-sectional view of a main portion showing a state of a cam member of the one-way clutch of the embodiment, fig. 4 (a) shows a no-load state, and fig. 4 (b) shows a torque load state.
Fig. 5 (a) is a perspective view of the holder, and fig. 5 (b) is a side view of the holder.
Description of the reference numerals
1. One-way clutch
3. Inner ring
5. Outer ring
7. Cam part
9. Retainer
11. The outer peripheral surface of the inner ring
13. Inner peripheral surface of outer ring
15. Spring component
21. Annular plate
23. Cam member holding portion
29. Window part
31. Bearing part
43. 45 notch portion
Detailed Description
Hereinafter, embodiments of the one-way clutch according to the present invention will be described with reference to the drawings. The present embodiment will be described taking as an example a one-way clutch of a type in which an inner race is a driving side and torque is transmitted from the inner race to an outer race.
First, the direction of the one-way clutch according to the present embodiment is defined. In the present embodiment, the "center axis C" refers to the center axis of the one-way clutch, that is, the center axes of the outer race and the inner race, and the axial direction, the radial direction, and the circumferential direction refer to the axial direction, the radial direction, and the circumferential direction with respect to the center axis C. In the axial direction, the direction of the person approaching the viewer is defined as one axial direction, the direction of the person leaving the viewer is defined as the other axial direction in each of fig. 1, 4 (a) and 4 (b), the left side of the paper surface is defined as one axial side, and the right side of the paper surface is defined as the other axial side in fig. 2 and 5 (b). In the circumferential direction, in each of fig. 1, 4 (a) and 4 (b), the direction of clockwise rotation toward the paper surface is defined as one circumferential direction, and the direction of counterclockwise rotation toward the paper surface is defined as the other circumferential direction.
For convenience of explanation, the rotation direction of the one-way clutch will be described with respect to the rotation direction of the inner race with respect to the outer race, but the rotation of the outer race is opposite to the rotation of the inner race. For example, when the inner ring is rotatable clockwise, the outer ring is rotatable counterclockwise, and even when the inner ring and the outer ring are rotatable in the same direction, if the rotation speeds of the outer ring and the inner ring are different, the outer ring and the inner ring can be said to be rotated in a certain direction with respect to each other.
Fig. 1 is a front view showing a state of the one-way clutch 1 of the embodiment as viewed from one axial side.
Fig. 2 is a side view showing a state of the one-way clutch 1 of the embodiment as viewed from the radial direction.
Fig. 3 is a perspective view showing the external appearance of the one-way clutch 1 of the embodiment.
The inner ring 3 and the outer ring 5 are shown by phantom lines in fig. 2, and are not described in fig. 1 and 3.
Fig. 4 (a) and 4 (b) are enlarged cross-sectional views of main parts showing the state of the cam member 7 of the one-way clutch 1 of the embodiment, where fig. 4 (a) shows a no-load state and fig. 4 (b) shows a torque load state.
As shown in each of fig. 1 to 4 (a) and 4 (b), the one-way clutch 1 of the present embodiment includes: the inner ring 3 and the outer ring 5 concentrically arranged on the central axis C, a plurality of cam members 7 arranged between the inner ring 3 and the outer ring 5, an annular retainer 9 for retaining the plurality of cam members 7, and a spring member 15 for urging the plurality of cam members 7 in a direction to contact the inner ring outer peripheral surface 11 (see fig. 4) and the outer ring inner peripheral surface 13 (see fig. 4) in a torque non-transmission state. In the present embodiment, the spring member 15 is a hoop spring.
The plurality of cam members 7 are torque transmission members that transmit torque from the inner ring 3 to the outer ring 5 by engaging with the inner ring outer circumferential surface 11 and the outer ring inner circumferential surface 13. The cam member 7 is a columnar member having a curved peripheral surface. As shown in fig. 4 (a) and (b), the cam member 7 has a cross-sectional shape in which a semicircular portion 17 and a bulging portion 19 bulging outward from a straight line connecting both ends of the circular arc of the semicircular portion 17 are combined. The bulge 19 has a gentle mountain shape with a rounded top, and one end of the contour of the bulge 19 and one end of the circular arc of the semicircular portion 17, and the other end of the contour of the bulge 19 and the other end of the circular arc of the semicircular portion 17 are smoothly continuous. The cam member 7 is formed such that the length of a straight line connecting the top of the bulge 19 and the bottom of the circular arc of the semicircular portion 17 is shorter than the length of a straight line connecting the vicinity of both ends of the circular arc of the semicircular portion 17.
Fig. 5 (a) is a perspective view showing the appearance of the holder 9, and fig. 5 (b) is a side view of the holder 9.
In the present embodiment, the holder 9 is integrally formed of resin as a whole. The retainer 9 includes an annular plate 21 disposed on the other axial side of the inner ring 3 and the outer ring 5 on the center axis C, and a plurality of cam member holding portions 23 protruding in one axial direction from a surface on one axial side of the annular plate 21. In the present embodiment, 4 cam member holding portions 23 are formed.
Next, the structure of one cam member holding portion 23 will be described, but the structure of the other cam member holding portions 23 is the same.
The cam member holding portion 23 is integrally formed of a plurality of column portions 25 protruding from the surface on one axial side of the annular plate 21 in the axial direction and arranged at equal intervals in the circumferential direction, and an arcuate flange portion 27 integrally connecting one axial end of the plurality of column portions 25. Therefore, the cam member holding portion 23 is formed in a partially cylindrical shape. In the present embodiment, 4 column portions 25 are formed. As shown in fig. 4 (a) and 4 (b), the cross-sectional shape of the column portion 25 is a rectangle composed of a radially extending side and a circumferentially extending side, and in the present embodiment, the cross-sectional shape of the column portion 25 is a rectangle composed of a radially extending long side and a circumferentially extending short side. The inner peripheral surface of each pillar portion 25 is smoothly continuous with the inner peripheral surface of the flange portion 27, and is disposed on one virtual cylindrical surface centered on the central axis C.
In the cam member holding portion 23, 3 windows 29 penetrating in the radial direction are formed at equal intervals in the circumferential direction by the portions of the 4 column portions 25, the flange portions 27, and the annular plate 21. Specifically, each window 29 is divided by a pair of circumferentially adjacent column portions 25, a portion of the flange portion 27 axially opposed between the pair of column portions 25, and a portion of the annular plate 21. As described later, each window 29 holds one cam member 7 swingably.
The 4 cam member holding portions 23 each having such a configuration are arranged at equal intervals in the circumferential direction on the circumference of one virtual circle centered on the central axis C when viewed from the axial direction. Therefore, the inner peripheral side surface of each column portion 25 and the inner peripheral side surface of each flange portion 27 of the 4 cam member holding portions 23 are arranged on one virtual cylindrical surface centered on the central axis C.
The holder 9 is further formed with a plurality of quadrangular bearing portions 31, and the bearing portions 31 protrude from one axial side surface of the annular plate 21 toward one axial direction. The bearing portion 31 and the cam member holding portion 23 are formed in the same number. Therefore, 4 bearing portions 31 are formed in the present embodiment. The bearing portions 31 and the cam member holding portions 23 are alternately arranged in the circumferential direction. Specifically, one bearing portion 31 is disposed between the cam member holding portions 23 adjacent in the circumferential direction. Therefore, the plurality of cam member holding portions 23 and the plurality of bearing portions 31 are alternately arranged on the circumference of one virtual circle centered on the central axis C when viewed from the axial direction. With such a configuration, the 4 bearing portions 31 are arranged at diagonal positions at equal angular intervals with respect to the central axis C, that is, at angular positions at 90 ° intervals in the circumferential direction in the present embodiment, respectively, when viewed from the axial direction. Similarly, the 4 cam member holding portions 23 are arranged at angular positions at equal angular intervals in the circumferential direction with respect to the central axis C, that is, at angular positions at 90 ° intervals in the circumferential direction in the present embodiment, when viewed from the axial direction.
The inner peripheral surface of the bearing 31 is disposed on a virtual cylindrical surface different from the inner peripheral surface of the cam member holding portion 23, that is, the inner peripheral surface of each of the column portions 25 and the inner peripheral surface of the flange portion 27. The plurality of cam member holding portions 23 and the plurality of bearing portions 31 are arranged between the inner ring outer peripheral surface 11 and the outer ring inner peripheral surface 13. As shown in fig. 2, the inner ring 3 is disposed on the inner diameter side of the bearing portion 31 and the cam member holding portion 23.
The bearing 31 supports the outer ring 5 on the outer peripheral surface 33. The outer peripheral surface 33 of the bearing portion 31 may be a curved surface having a radius of curvature different from that of the inner peripheral surface 13 of the outer ring 5. A flange portion 35 protruding radially outward is formed at one axial end of the bearing portion 31.
The flange portion 22 is formed at a portion of the annular plate 21 that extends radially outward from a portion where the plurality of cam member holding portions 23 and the plurality of bearing portions 31 are formed.
The retainer 9 is disposed such that the flange portion 22 of the annular plate 21 is fitted into the circumferential groove 37 formed in the outer ring inner circumferential surface 13, and the flange portion 35 of the bearing portion 31 axially faces one axial side end surface of the outer ring 5. Thus, the retainer 9 is fixed to the inner peripheral side of the outer ring 5 so as not to be movable in the axial direction and not to be rotatable relative to the outer ring 5 in the circumferential direction.
The plurality of cam members 7 are fitted into the window portions 29 of the retainer 9 from the outer diameter side in a direction in which the respective axial directions coincide with the axial directions of the one-way clutch 1, in one-to-one correspondence with the window portions 29. Thereby, the plurality of cam members 7 are held by the holder 9 in the circumferential direction. A plurality of cam members 7 are held at equal intervals in the circumferential direction in one cam member holding portion 23. In the present embodiment, 3 cam members 7 are held at equal intervals in the circumferential direction in one cam member holding portion 23. The axial both end surfaces of the cam member 7 are located inside the part of the flange portion 27 and the part of the annular plate 21 that are axially opposed to each other of the window portion 29 of the retainer 9. That is, the axial dimension of the cam member 7 is formed smaller than the axial dimension of the window 29. As shown in fig. 4 (a), in the no-load state of the cam member 7, the semicircular portion 17 faces the inner ring 3, the bottom of the semicircular portion 17 contacts the inner ring outer circumferential surface 11, the bulge 19 faces the outer ring 5, and the top of the bulge 19 contacts the outer ring inner circumferential surface 13.
The semicircular portion 17 of the cam member 7 has a peripheral surface in contact with the pair of column portions 25 constituting the window portion 29 of the retainer 9, and a part of the peripheral surface penetrates the window portion 29 of the retainer 9 and protrudes radially inward from the pair of column portions 25. By disposing the pair of column portions 25 of the retainer 9 in contact with the outer peripheral surface of the cam member 7 in this manner, the cam member 7 is held by the window portion 29 of the retainer 9 and is stably in contact with the inner ring outer peripheral surface 11. With such a configuration, the cam member 7 is swingable in sliding contact with the pair of column portions 25 of the retainer 9, and the movement in the axial direction is restricted by the flange portion 27 and the annular plate 21.
As shown in fig. 3, a radially outer portion of each cam member 7 in an assembled state is formed with a groove 39 extending in the circumferential direction of the inner ring 3 or the outer ring 5. The groove 39 is formed in an axial central portion of a radially outer portion of the cam member 7, and has a depth penetrating the radially outer portion in the circumferential direction and reaching the vicinity of the central portion of the cam member 7. Further, a groove 41 extending in the circumferential direction is also formed in a radially outer portion of the bearing portion 31. The groove 41 is formed in an axial center portion of a radially outer portion of the bearing portion 31, and has a depth penetrating the radially outer portion in the circumferential direction and reaching the vicinity of the center portion of the bearing portion 31.
One annular spring member 15 is mounted so as to penetrate the groove 39 of each cam member 7 and the groove 41 of each bearing 31. The spring member 15 biases each cam member 7 to the inner diameter side. The bottom surface of the groove 39 of the cam member 7 is formed in a mountain shape as follows: the cam member 7 swings in a direction contacting the inner ring outer peripheral surface 11 and the outer ring inner peripheral surface 13 when the force to the inner diameter side is applied by the spring member 15. Therefore, each cam member 7 is biased to the inner diameter side by the elastic force of the spring member 15, and is always in contact with the inner ring outer peripheral surface 11 and the outer ring inner peripheral surface 13. The contact state of each cam member 7 with the inner ring outer peripheral surface 11 and the outer ring inner peripheral surface 13 by the spring member 15 is a torque non-transmission state shown in fig. 4 (a). In this way, the spring member 15 biases each cam member 7 to the torque non-transmission position.
The retainer 9 is provided with a pair of notches 43 at one side in the circumferential direction and the other side in the circumferential direction of each bearing portion 31. Each notch 43 is formed to extend in the radial direction through the annular plate 21 and the flange 22 in the axial direction, and forms a space extending in the substantially radial direction with a predetermined width. The notch 43 opens to the outer diameter side of the flange 22 of the annular plate 21, and extends to a radial position on the inner diameter side of the cam member holding portion 23. Therefore, the holder 9 is formed with 4 pairs of two cutout portions 43, that is, 8 cutout portions 43. The pair of two notch portions 43 are formed in parallel. In addition, 4 notch portions 45 are formed at equal intervals in the circumferential direction in the annular plate 21, and the notch portions 45 are spaces that open to the inner diameter side of the annular plate 21 and extend in the substantially radial direction to radial positions near the cam member holding portion 23 by a predetermined width. The notch 45 is formed in the same number as the bearing 31. The 4 notch portions 45 and the bearing portion 31 are alternately arranged in the circumferential direction. That is, the notch portion 45 is formed in the intermediate portion of the bearing portion 31 adjacent in the circumferential direction when viewed from the axial direction.
The retainer 9 is made of resin and is formed with notch portions 43, 45, thereby being elastically deformable in the radial direction. Specifically, when a radial external force is applied, the width of each notch 43, 45 changes, and the elastic deformation occurs. With this configuration, the assembling property of the inner ring 3 and the outer ring 5 to the cage 9 can be improved, and the cage 9 can be prevented from being damaged. In addition, the one-way clutch 1 according to the present embodiment is elastically deformed in the radial direction by the retainer 9, and can improve the assembling property and prevent the retainer 9 from being broken even when it is assembled in an apparatus such as an automatic transmission or an industrial machine.
Next, the operation state of the one-way clutch 1 of the present embodiment configured as described above will be described.
In the no-load state shown in fig. 4 (a), the cam member 7 is engaged with the inner ring outer peripheral surface 11 and the outer ring inner peripheral surface 13 by the elastic force of the spring member 15, but is not engaged so as to be able to transmit torque. When torque is applied to the inner ring 3 from this state, the cam member 7 swings in a direction in which the inner ring 3 and the outer ring 5 are engaged with each other so as to be able to transmit torque. That is, as shown in fig. 4 (b), when the inner ring 3 rotates clockwise in fig. 4 (b), the cam member 7 contacting the inner ring outer peripheral surface 11 rotates counterclockwise, that is, swings. The cam member 7 swings in this manner to engage with the inner ring outer circumferential surface 11 and the outer ring inner circumferential surface 13, and torque is transmitted from the inner ring 3 to the outer ring 5 by this engagement.
At this time, the outer ring 5 supports the inner peripheral surface 13 with the 4 bearing portions 31 provided to the cage 9 and arranged at angular positions of 90 ° in the circumferential direction with respect to the central axis C, respectively, and therefore the cage 9 and the outer ring 5 stably rotate integrally with the inner ring 3. The plurality of cam members 7 are held by 4 cam member holding portions 23 arranged at angular positions of 90 ° in the circumferential direction about the central axis C, and 3 cam members are held by each cam member holding portion 23, so that the inner ring 3 and the outer ring 5 are engaged with each other stably in the circumferential direction. As a result, the inner ring 3 and the outer ring 5 stably rotate
On the other hand, when the inner ring 3 rotates counterclockwise from the no-load state shown in fig. 4 (a), the cam member 7 does not engage with the inner ring outer peripheral surface 11 and the outer ring inner peripheral surface 13, and the inner ring 3 idles with respect to the outer ring 5. Therefore, in this state, torque transmission from the inner ring 3 to the outer ring 5 is not performed.
As described above, in the one-way clutch 1 of the present embodiment, the retainer 9 is made of resin, and therefore, the one-way clutch 1 and an automatic transmission or the like (not shown) in which the one-way clutch 1 is incorporated can be reduced in weight. In addition, since the bearing portion 31 supporting the inner peripheral surface 13 of the outer ring 5 is integrally formed with the retainer 9, it is not necessary to provide the bearing for supporting the outer ring 5 as a member other than the retainer 9. Therefore, an increase in the axial dimension of the one-way clutch 1 can be suppressed, the installation space of the one-way clutch 1 can be reduced, and the number of components can be reduced, so that weight reduction of the one-way clutch 1 can be facilitated. In addition, as described above, when the inner ring 3 and the outer ring 5 are assembled to the cage 9 or when the one-way clutch 1 is assembled to an automatic transmission, an industrial machine, or the like, the ease of assembly can be improved, and damage to the cage 9 can be prevented.
The one-way clutch 1 of the present invention is not limited to the above-described embodiment, and can be appropriately modified. In the above embodiment, the example of the one-way clutch 1 that transmits torque from the inner race 3 to the outer race 5 is shown, but the present invention may be applied to a one-way clutch that transmits torque from the outer race 5 to the inner race 3. The number of the bearing portions 31 and the cam member holding portions 23 may be appropriately set according to the size, torque capacity, and the like of the one-way clutch 1. The number of cam members 7 held in one cam member holding portion 23 can be appropriately set. The number of the notch portions 43 and 45 may be changed as appropriate.
Claims (5)
1. A one-way clutch is provided with:
an inner ring;
an outer ring concentrically arranged on a central axis of the inner ring;
a plurality of cam members interposed between the inner ring and the outer ring for transmitting torque between the inner ring and the outer ring;
a holding member for holding a plurality of the cam members; and
a spring member for biasing the plurality of cam members to a torque non-transmission position,
the one-way clutch is characterized in that,
the holding member includes an annular plate disposed on the central axis, a plurality of bearing portions for supporting an inner peripheral surface of the outer ring, and a plurality of holding portions, which are the same as the bearing portions, for holding two or more predetermined numbers of the cam members at predetermined intervals in a circumferential direction are provided on one surface of the annular plate in an axial direction,
the plurality of bearing portions are disposed at angular positions at equal angular intervals in the circumferential direction with respect to the central axis, the plurality of holding portions are disposed at angular positions at equal angular intervals in the circumferential direction with respect to the central axis,
the plurality of bearing portions and the plurality of holding portions are alternately arranged in the circumferential direction,
the annular plate is formed with a plurality of notched portions extending in the radial direction.
2. A one-way clutch according to claim 1, wherein,
the holding member is made of resin.
3. A one-way clutch according to claim 1 or 2, wherein,
the plurality of notch portions are a plurality of 1 st notch portions opening to the radially outer side of the annular plate and a plurality of 2 nd notch portions opening to the radially inner side of the annular plate.
4. A one-way clutch according to claim 3, wherein,
the 1 st notch portion is formed adjacent to the bearing portion.
5. A one-way clutch according to claim 3, wherein,
the plurality of 2 nd notch portions and the plurality of bearing portions are alternately arranged in the circumferential direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022-146292 | 2022-09-14 | ||
| JP2022147174A JP2024042447A (en) | 2022-09-15 | 2022-09-15 | one way clutch |
| JP2022-147174 | 2022-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117703958A true CN117703958A (en) | 2024-03-15 |
Family
ID=90146740
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311085063.7A Pending CN117703958A (en) | 2022-09-14 | 2023-08-28 | One-way clutch |
| CN202311085002.0A Pending CN117703957A (en) | 2022-09-14 | 2023-08-28 | One-way clutch |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311085002.0A Pending CN117703957A (en) | 2022-09-14 | 2023-08-28 | One-way clutch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2024042447A (en) |
| CN (2) | CN117703958A (en) |
-
2022
- 2022-09-15 JP JP2022147174A patent/JP2024042447A/en active Pending
-
2023
- 2023-08-28 CN CN202311085063.7A patent/CN117703958A/en active Pending
- 2023-08-28 CN CN202311085002.0A patent/CN117703957A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN117703957A (en) | 2024-03-15 |
| JP2024042447A (en) | 2024-03-28 |
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