GB1588081A - Clutch release mechanism - Google Patents
Clutch release mechanism Download PDFInfo
- Publication number
- GB1588081A GB1588081A GB7334/78A GB733478A GB1588081A GB 1588081 A GB1588081 A GB 1588081A GB 7334/78 A GB7334/78 A GB 7334/78A GB 733478 A GB733478 A GB 733478A GB 1588081 A GB1588081 A GB 1588081A
- Authority
- GB
- United Kingdom
- Prior art keywords
- race ring
- release lever
- inner race
- ring
- relative rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000004033 plastic Substances 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Classifications
-
- 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
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
-
- 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
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
-
- 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
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
- F16D2023/141—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings characterised by using a fork; Details of forks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Description
(54) CLUTCH RELEASE MECHANISM
(71) We, SKF KUGELLAGERFABRIKEN
GESELLSCHAFT MIT BESCHRANKTER HAF
TUNG, a German Body Corporate, of Ernst
Sachs-Strasse 2-8, 8720 Schweinfurt 2,
German Federal Republic, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement: This invention concerns a clutch release mechanism.
According to the invention a clutch release mechanism comprises a rolling bearing, the rolling bearing including an inner race ring, an outer race ring and a plurality of bodies arranged to roll on the raceways of the race rings, a release lever arranged to act on one of the race rings, and means positively to engage with the release lever and with the said one race ring or with a member integral with the said one race ring to prevent substantial relative rotation between the release lever and the said one race ring about the axis of the said one race ring, the means allowing the release lever to be freely axially displaced away from the said one race ring or member integral with the said one race ring and towards and into engagement with the said one race ring. or member integral with the said one race ring.
The said one race ring may have an axially extending portion which is polygonal in cross-section with diametrically opposed surfaces being substantially parallel to each other, and the release lever may have two portions each adjacent to one of a pair of opposed surfaces of the said one race ring to prevent substantial relative rotation about the axis of the said one race ring, the release lever having a part of each one of the said portions extending axially and radially away from the said one race ring to guide the release lever and said one race ring into position relative to each other during assembly.
A plastics material may be provided integral with the said one race ring to prevent substantial relative rotation between the said one race ring and the release lever about the axis of the said one race ring. The release lever may have a substantially wedge-shaped portion, an edge of which portion is in cón- tact with the plastics material.
The said one race ring may have a plurality of recesses arranged annularly and the release lever may have a projection engaging one of the recesses to prevent substantial relative rotation about the axis of the said one race ring.
Three embodiments of the invention will now be described by way of example, reference being made to the accompanying drawings, of which: Figure 1 is an axial section of one embodiment showing a rolling bearing and release lever;
Figure 2 is a view along the axis from the left of Figure 1;
Figure 3 is an axial section of another em bodiment; Figure 4 is an axial section of a further embodiment; and
Figure 5 is an axial section on the line A-A of Figure 4.
The basic construction of the rolling bearing for all three embodiments is the same, there being design differences between the top and the bottom halves of each of
Figures 1, 3, 4 and 5.
The rolling bearing comprises an inner race ring 10 an outer race ring ll-both of sheet metal, a plurality of balls 12 arranged to roll on the raceways of the race rings and a plastics cage 13. The inner race ring 10 has a radially outwardly extending portion 14 and a portion 15 extending axially from portion 14 towards the clutch (not shown) and with clearance over outer race ring 11. The outer race ring 11 has a radially inwardly extending portion 16 which is concave with respect to a diaphragm spring 17, the spring having tongues which together form an annular head 18 contacting portion 16 so that the bearing is self-centring.
The outer race ring 11 has a portion 19 extending axially from portion 16 through the bore of the diaphragm spring 17. A plurality of lugs 20 extend radially outwards from portion 19 to axially locate the bearing with diaphragm spring 17. In the top half of each of Figures 1, 3, 4 and 5, the bearing chamber between the race rings 10 and 11 is sealed on the clutch side by a ring 21 which is substantially Sshaped in axial section and extends from radially outside of the inner race ring 10 axially along towards the clutch and radially inside of portion 19 of outer race ring 11. In the bottom half of Figures 1, 3, 4 and 5, the inner race ring 10 has a portion 22 extending axially towards the clutch and radially within the portion 19 to form a sealing gap therewith. In all the Figures, the side of the bearing chamber furthest from the clutch is sealed by a ring 23 located around the outer race ring 11 and extending radially inwardly towards the inner race ring 10.
Referring to Figures 1 and 2 the rolling bearing described is shown with a sheet metal release lever 30. The axially extending outer surface of portion 15 of inner race ring 10 is a polygon in cross-section having twelve sides 31, each pair of diametrically opposed surfaces being substantially parallel.
The release lever 30 has two axially extending portions 32 which are substantially parallel to each other, the distance between them being slightly greater than the distance between a pair of parallel surfaces 31, so that each portion 32 is adjacent to one of a pair of opposed surfaces 31 and substantial relative rotation between the inner race ring 10 and the release lever 30 about the axis of the inner race ring is prevented. A part 33 of each portion 32 extends axially and radially outwardly away from inner race ring 10 to guide the release lever 30 and inner race ring 10 into position during assembly, the inner race ring being rotated until portion 15 engages parts 33. This enables the rolling bearing to be fitted blind without difficulty. The clutch release mechanism has a short axial dimension because the bearing is fitted into the release lever 30. This embodiment may be modified by having the polygon formed on the radially inside surface of the inner race ring 10 and the release lever 30 having portions extending into the bore of the inner race ring.
Referring to Figure 3, the portion 14 of inner race ring 10 has an integral coating of a soft plastics material 40 and a release lever 41 has a wedge-shaped portion 42, an edge of which portion is in contact with the plastics material. Initial relative rotation between portion 42 and race ring 10 about the axis of the race ring causes a mound 43 of plastics material 40 to be formed which halts further relative rotation. Preferably the plastics material 40 is a subsequently cured plastics material which cures after the mound 43 has been formed and thus sets hard to prevent further relative rotation.
Referring to the embodiment shown in
Figures 4 and 5 the portion 14 of inner race ring 10 has a plurality of recesses 50 arranged annularly. A release lever 51 has one or more projections 52 each engaging one of the recesses 50 to prevent relative rotation between the inner race ring 10 and the release lever 51 about the axis of the inner race ring.
WHAT WE CLAIM IS:
1. A clutch release mechanism comprising a rolling bearing, the rolling bearing including an inner race ring, an outer race ring and a plurality of bodies arranged to roll on the raceways of the race rings, a release lever arranged to act on one of the race rings, and means positively to engage with the release lever and with the said one race ring or with a member integral with the said one race ring to prevent substantial relative rotation between the release lever and the said one race ring about the axis of the said one race ring, the means allowing the release lever to be freely axially displaced away from the said one race ring or member integral with the said one race ring and towards and into engagement with the said one race ring or member integral with the said one race ring.
2. A mechanism as claimed in claim 1, wherein the said one race ring has an axially extending portion which is polygonal in cross-section with diametrically opposed surfaces being substantially parallel to each other, and the release lever has two portions each adjacent to one of a pair of opposed surfaces of the said one race ring to prevent substantial relative rotation about the axis of the said one race ring, the release lever having a part of each one of the said portions extending axially and radially away from the said one race ring to guide the release lever and said one race ring into position relative to each other during assembly.
3. A mechanism as claimed in claim 1, wherein a plastics material is provided integral with the said one race ring to prevent substantial relative rotation between the said one race ring and the release lever about the axis of the said one race ring.
4. A mechanism as claimed in claim 3, wherein the release lever has a substantially wedge-shaped portion, an edge of which portion is in contact with the plastics material.
5. A mechanism as claimed in claim 1, wherein the said one race ring has a plurality of recesses arranged annularly and the release lever has a projection engaging one of the recesses to prevent substantial relative rotation about the axis of the said one race ring.
6. A clutch release mechanism substantially as herein described with reference to and as shown in Figures 1 and 2, or with reference to and as shown in Figure 3, or with reference to and as shown in Figures 4 and 5 of the accompanying drawings.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (6)
1. A clutch release mechanism comprising a rolling bearing, the rolling bearing including an inner race ring, an outer race ring and a plurality of bodies arranged to roll on the raceways of the race rings, a release lever arranged to act on one of the race rings, and means positively to engage with the release lever and with the said one race ring or with a member integral with the said one race ring to prevent substantial relative rotation between the release lever and the said one race ring about the axis of the said one race ring, the means allowing the release lever to be freely axially displaced away from the said one race ring or member integral with the said one race ring and towards and into engagement with the said one race ring or member integral with the said one race ring.
2. A mechanism as claimed in claim 1, wherein the said one race ring has an axially extending portion which is polygonal in cross-section with diametrically opposed surfaces being substantially parallel to each other, and the release lever has two portions each adjacent to one of a pair of opposed surfaces of the said one race ring to prevent substantial relative rotation about the axis of the said one race ring, the release lever having a part of each one of the said portions extending axially and radially away from the said one race ring to guide the release lever and said one race ring into position relative to each other during assembly.
3. A mechanism as claimed in claim 1, wherein a plastics material is provided integral with the said one race ring to prevent substantial relative rotation between the said one race ring and the release lever about the axis of the said one race ring.
4. A mechanism as claimed in claim 3, wherein the release lever has a substantially wedge-shaped portion, an edge of which portion is in contact with the plastics material.
5. A mechanism as claimed in claim 1, wherein the said one race ring has a plurality of recesses arranged annularly and the release lever has a projection engaging one of the recesses to prevent substantial relative rotation about the axis of the said one race ring.
6. A clutch release mechanism substantially as herein described with reference to and as shown in Figures 1 and 2, or with reference to and as shown in Figure 3, or with reference to and as shown in Figures 4 and 5 of the accompanying drawings.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19777705742 DE7705742U (en) | 1977-02-25 | Clutch release |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1588081A true GB1588081A (en) | 1981-04-15 |
Family
ID=6675877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7334/78A Expired GB1588081A (en) | 1977-02-25 | 1978-02-23 | Clutch release mechanism |
Country Status (4)
Country | Link |
---|---|
JP (2) | JPS53105647A (en) |
FR (1) | FR2381939A1 (en) |
GB (1) | GB1588081A (en) |
IT (2) | IT1112617B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6287499B1 (en) | 1998-10-09 | 2001-09-11 | United States Surgical Corporation | Process of making bioabsorbable block copolymer filaments |
DE102009020579A1 (en) | 2009-05-09 | 2010-11-11 | Schaeffler Technologies Gmbh & Co. Kg | Actuation system for a clutch |
CN115176093A (en) * | 2020-03-31 | 2022-10-11 | 舍弗勒技术股份两合公司 | Friction clutch with a cover made of sheet metal having a folded-over anti-friction bearing seat, transmission and method for producing same |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2071255B (en) * | 1979-12-22 | 1983-06-08 | Automotive Prod Co Ltd | Clutch release bearing assemblies |
FR2558228B1 (en) * | 1984-01-12 | 1986-05-30 | Automotive Products Plc | RELEASE STOP |
DE3411641C1 (en) * | 1984-03-29 | 1985-09-12 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Clutch release device for motor vehicles |
FR2666631B1 (en) * | 1990-09-07 | 1995-04-21 | Skf France | CLUTCH THRUST BEARING. |
-
1978
- 1978-02-13 JP JP1420978A patent/JPS53105647A/en active Pending
- 1978-02-21 IT IT20476/78A patent/IT1112617B/en active
- 1978-02-21 IT IT7820897U patent/IT7820897V0/en unknown
- 1978-02-23 GB GB7334/78A patent/GB1588081A/en not_active Expired
- 1978-02-23 FR FR7805253A patent/FR2381939A1/en active Granted
-
1986
- 1986-05-16 JP JP1986072780U patent/JPH018740Y2/ja not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6287499B1 (en) | 1998-10-09 | 2001-09-11 | United States Surgical Corporation | Process of making bioabsorbable block copolymer filaments |
DE102009020579A1 (en) | 2009-05-09 | 2010-11-11 | Schaeffler Technologies Gmbh & Co. Kg | Actuation system for a clutch |
CN115176093A (en) * | 2020-03-31 | 2022-10-11 | 舍弗勒技术股份两合公司 | Friction clutch with a cover made of sheet metal having a folded-over anti-friction bearing seat, transmission and method for producing same |
Also Published As
Publication number | Publication date |
---|---|
JPS53105647A (en) | 1978-09-13 |
FR2381939B1 (en) | 1981-08-14 |
IT1112617B (en) | 1986-01-20 |
FR2381939A1 (en) | 1978-09-22 |
IT7820476A0 (en) | 1978-02-21 |
JPH018740Y2 (en) | 1989-03-09 |
JPS6259328U (en) | 1987-04-13 |
IT7820897V0 (en) | 1978-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |