PRESSURIZED ACTUATOR
A linear actuator 10 contains a housing 12 having a first end 14 and a second end 16. A hollow piston rod 23 is positioned within the housing 12 to slidably engage with an inner wail 25 of the housing 12. A sealed gas chamber 30 is formed within the hollow piston rod 23 and contains stored gas 33 tor driving the piston rod 23 upon activation of the actuator 10.