| 摘要 |
<p>A gas cylinder actuator (10, 110) with a safety device for controlled ejection of the piston stem, which has, on the side of the region (19, 119) for fixing the head portion (14, 114) to the jacket (11, 111), a region in low relief (21, 121) on the inner face (22, 122) of the jacket (11, 111), designed to interrupt the seal provided selectively either by the gasket means (23) associated with the piston (16) or by the gasket means (123) associated with the head portion (114), and normally operating against the inner face (22, 122) of the jacket (11, 111), in case of separation of the head portion (14, 114) with an outward movement of the piston (16, 116).</p> |
