| 摘要 |
<p>An air damper (100) of the present invention is provided with: a cylinder (1) whose one end is closed and the other end is opened; a piston (2) which is movable along an axial direction of the cylinder within the cylinder in a state where an end of a string (3) is connected to the piston; a recess groove (7) formed in an peripheral surface of the piston; an O-ring (6) sealing between the cylinder (1) and the piston (2) and movably fitted to the recess groove (7); a coil spring (5) abutted against one of a pair of flanges (8) defining the recess groove (7) of the piston (2) for biasing the piston toward the one end of the cylinder (1); a hook (9) provided on the one of the pair of flanges (8), the end of the string (3) being attached to the hook (9); and opposed notches formed by notching portions (10) of the pair of flanges (8) of the piston (2) corresponding to opposite sides of the hook (9). <IMAGE></p> |
