Invention Grant
US07802488B2 Telescopic actuator with a main rod and an auxiliary rod, and a method making use thereof 有权
具有主杆和辅助杆的伸缩式致动器及其使用的方法

Telescopic actuator with a main rod and an auxiliary rod, and a method making use thereof
Abstract:
The invention relates to a telescopic actuator comprising a cylinder in which a main rod is mounted to slide telescopically along a sliding axis between a retracted position and an extended position. The actuator includes an auxiliary rod mounted to slide telescopically in the main rod along said sliding axis between a retracted position and an extended position, the actuator including controlled retaining means for retaining the auxiliary rod in the retracted position inside the main rod.
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