Drive Unit of a Fluid-Actuated Linear Drive and Method for its Manufacture

摘要

A drive unit of a fluid-actuated linear drive includes piston rod, an annular drive piston seated coaxially on the piston rod and a buffer sleeve which is likewise seated coaxially on the piston rod. These components are secured to one another by one and the same common welded joint. Furthermore, a method for the manufacture of such a drive unit and a fluid-actuated linear drive equipped with such a drive unit is proposed.

主权项

1. A drive unit of a fluid-actuated linear drive, comprising a piston rod, an annular drive piston seated coaxially on the piston rod and a buffer sleeve which is likewise seated coaxially on the piston rod while axially adjoining the drive piston and which is used for end-of-stroke cushioning purposes, these components being secured to one another with the assistance of a welded joint, wherein the drive piston, the buffer sleeve and the piston rod are secured to one another by one and the same common welded joint.