GAS CYLINDER ACTUATOR WITH OVERTRAVEL SAFETY DEVICE

摘要

A gas cylinder actuator (10) with overtravel safety device, comprising a tubular jacket (1 1) which is closed by a bottom (12) provided with a gas filling valve (13) and at the opposite end by a head portion (14), which is provided with a hole for the passage of a stem (15) with a piston (16); the gas cylinder actuator has, on the inner face (18) of the jacket (11), in the compression chamber (17), a region in low relief (19, 319) designed to interrupt the seal provided by the gasket means of the piston (16) or the head portion (314), which act against the inner face (18, 318).