| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric booster for improving air tightness in a housing irrespective to relative displacement of an input member to a booster piston. <P>SOLUTION: In the electric booster, a first seal ring 60 keeping air tightness in the housing is provided between the housing and a rear end side outer periphery of a linear motion member 40 of a rotation-linear motion converting mechanism, and a second seal ring 70 keeping air tightness in the housing is provided between the linear motion member 40 of a ball screw mechanism 37 and a rear end side outer periphery of the booster piston. <P>COPYRIGHT: (C)2010,JPO&INPIT |
