Clutch release bearing and method of assembly

• US 7,228,951 B2
• Filed: 06/17/2004
• Issued: 06/12/2007
• Est. Priority Date: 06/18/2003
• Status: Expired due to Fees

• Current Assignee: ABet SKF
• Original Assignee: ABet SKF
• Inventors: Arnault, Beno
• Primary Examiner(s): Lorence; Richard M.
• Application Number:
  US10/870,484
• Publication Number:
  US 20050011718A1
• Time in Patent Office: 1,090 Days
• Field of Search: 384/903
• US Class Current: 192/98
• CPC Class Codes: F16C 19/163 with angular contact
• CPC Class Codes: F16C 2361/43 Clutches, e.g. disengaging bearing in general F16D11/00 - F16D47/00
• CPC Class Codes: F16D 23/14 Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
• CPC Class Codes: F16D 25/082 the line of action of the fluid-actuated members co-inciding with the axis of rotation
• CPC Class Codes: F16D 25/083 Actuators therefor F16D25/085 - F16D25/087 take precedence
• CPC Class Codes: Y10S 384/903 Retaining ring
• CPC Class Codes: Y10T 29/49696 Mounting
• CPC Class Codes: Y10T 29/4987 Elastic joining of parts

Abstract

Clutch release bearing device that includes: an operating element; a rolling-contact bearing fitted with a non-rotating ring and a rotating ring and connected axially to the operating element; and an annular fixing ring provided with an axial portion mounted inside the operating element and also with an axially elastic portion whose axially opposite side from the operating element is pressed axially against the non-rotating ring, the fixing ring being able to keep the non-rotating ring axially connected to the operating element and yet allow radial movement.

Claims

1. A clutch release bearing device comprising:

an operating element;

a rolling-contact bearing fitted with a non-rotating ring and a rotating ring;

a means of axial connection between the operating element and the rolling-contact bearing, the means of axial connection comprises a fixing ring mounted on the operating element and provided with a plurality of radially elastic tabs for the axial retention of an elastic element which is placed between the elastic tabs and the non-rotating ring in order to apply axial pressure on the non-rotating ring, wherein the elastic tabs extend obliquely outward from the fixing ring towards the elastic member.

2. The clutch release bearing device of claim 1, wherein the fixing ring is made in one piece.

3. The clutch release bearing device of claim 1, wherein the fixing ring further comprises tabs for coupling the fixing ring to the operating element.

4. The clutch release bearing device of claim 1, wherein the fixing ring comprises a first axial portion is coupled to the operating element, a radial portion, and a second axial portion supporting said elastic tabs.

5. The clutch release bearing device of claim 4, wherein the radial portion is coupled to the non-rotating ring.

6. The clutch release bearing device of claim 4, wherein the second axial portion passes through the area of least diameter of the non-rotating ring.

7. The clutch release bearing device of claim 4, wherein the elastic tabs extend from the second axial portion towards the radial portion of the fixing ring.

8. The clutch release bearing device of claim 1, wherein the elastic element comprises an axially elastic washer.

9. The clutch release bearing device of claim 1, wherein the elastic tabs are coupled to a small-diameter area of said elastic element.

10. The clutch release bearing device of claim 1, wherein the non-rotating ring comprises an inwardly directed radial portion situated axially between a radial portion of the fixing ring and the elastic element.

11. The clutch release bearing device of claim 1, wherein the non-rotating ring is coupled to the elastic element.

12. The clutch release bearing device of claim 1, further comprising a sealing element coupled to the non-rotating ring and to the elastic element.

13. The clutch release bearing device of claim 1, wherein the operating element comprises a hydraulic push member.

14. A clutch release bearing device comprising:

an operating element;

a rolling-contact bearing fitted with a non-rotating ring and a rotating ring;

a fixing ring mounted on the operating element and provided with a plurality of radially elastic tabs for the axial retention of an elastic element which is placed between the elastic tabs and the non-rotating ring in order to apply axial pressure on the non-rotating ring, the elastic tabs being in contact with at least a portion of the elastic element.

15. A method for assembling a clutch release bearing comprising:

coupling an elastic element to a non-rotating ring of a rolling-contact bearing with a fixing ring;

wherein the fixing ring comprises a plurality of radially elastic tabs, wherein the elastic tabs prevent separation of the non-rotating ring and the elastic element and wherein the elastic tabs allow the elastic element placed between the elastic tabs and the non-rotating ring to apply axial pressure to the non-rotating ring, and wherein the elastic tabs extend obliquely outward from the fixing ring toward the elastic member; and

coupling the fixing ring to an operating element.

16. The method of claim 15, further comprising applying axial pressure to the elastic element to help the elastic tabs click into place.