| 摘要 |
<p>A pressure generation device (AP1) includes an axle hub (20) that has a rotating shaft section (21A) rotatably supported in non-rotatable circular tube support section (11) through bearings (12, 13), a piston (30) that is co-rotatably assembled in the rotating shaft section (21A) so as to be able to perform pumping action and forms a pump chamber (Ro), a cam member (41) and a cam follower (42) that convert rotational motion of the axle hub (20) relative to the circular tube support section (11) into pumping action of the piston (30), a suction path (21d) that is formed in the axle hub (20) and is capable of sucking air into the pump chamber (Ro), and a discharge path (21e) that is formed in the axle hub (20) and is capable of discharging air from the pump chamber (Ro).</p> |
