| 摘要 |
<p>The apparatus has a moving component to which the user applies an effort, connected to a pneumatic cylinder (2) with a piston (57) sliding in a first chamber (54, 58). The first chamber is connected directly to a damping chamber (59) of greater volume through apertures (51) in its end wall. The two chambers are cylindrical in shape and coaxial, with the radius of the second cylinder between 3 and 6 times the radius of the first, giving it a volume at least 5 times greater. The damping chamber is connected by a pipe (47, 62, 63) to an air compressor (48).</p> |
