| 摘要 |
<p>PURPOSE:To enhance speed changing performance and prevent burning of a tightening element, abrasion of an O-ring, torsion of a return spring and falling of a piston by speedily and securely moving the piston to a released position, and preventing relative rotation of the piston with respect to a drum. CONSTITUTION:Magnets 7, 8 for attracting a clutch piston 5 to a clutch drum 3 when the clutch piston 5 is disposed in a position where a drive plate 20 is released from a driven plate 30 are interposed between the clutch piston 5 and the clutch drum 3.</p> |
