| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a friction engaging device equipped with a return spring uniformly extending/contracting. SOLUTION: A piston housing 2 is fixed to a transmission case 1, a cam member 3 and a first piston member 4 are arranged by interposing a cam roller 5 in the inside of the piston housing 2. A turning range of the first piston member 4 is regulated by a stopper pin 6. A second piston member 7 is engaged with the first piston member 4 through a spring seat 8, further a roller bearing 9 is arranged between the spring seat 8 and the first piston member 4. The other end of a return spring 10 lock mounted in the transmission case 1 is locked to the spring seat 8, and it is always energized to a right direction.</p> |
