| 摘要 |
1533475 Friction clutches BORG WARNER CORP 26 Nov 1976 [10 Dec 1975] 49435/76 Heading F2C A presser plate for use in a friction clutch having a friction disc arranged to be sandwiched between a flywheel and the presser plate by the action of a diaphragm spring comprises two annular sheet metal portions 37, 38 of U-shaped cross-section which are assembled together such that the arms of one U-shaped portion embrace those of the other portion to form a hollow presser plate. The annular portions may be welded or otherwise fixed together and may be provided with radial'and axial openings to allow access to the interior of the presser plate of cooling fluid. Circumferentially spaced drive lugs 43 may be formed integrally with or attached to one or both annular portions of the presser plate. |
