| 摘要 |
<p>Gas piston cylinder device (10) that comprises a body (1) as structure and a piston rod (2) that moves inside said body (1), the interior of the body (1) being occupied by a compressible gas, the device (10) further comprising a bushing (20) between the body (1) and the piston rod (2), such that said bushing (20) comprises a deformable zone (40) that in turn contains a joining O-ring (3) that, in a leaktight manner, connects the bushing (20) with the inner face of the body (1), said deformable zone (40) being designed in such a manner that, when deformed, it causes the O-ring (3) to cease to provide a leaktight seal at the connection between the bushing (20) and the inner face of the body (1).</p> |
