| 摘要 |
PURPOSE:To improve responsiveness of a clutch by varying by turns clearance between each valve-shaped blocking member installed at by-pass ports of a clutch pressure plate and the tips of pressing members. CONSTITUTION:Outlet valves, designed to release a lead valve (valve-shaped blocking member) 6 by pressing it through a control pin (pressing member) 8 fixed at a lifter plate 7, are installed at a plurality of places 23a-23c. And length of tips 24a-24b of their control pins 24-26 at each of outlet valve 23a-23c are formed to alternately differ. That is, the clearance between each of their tips and the lead valve 6 is designed to be 0>h1>h2, and therefore the outlet valve 23 closes bypass ports in the order of 23a-23c, with the movement of the lifter plate 7. |
