| 摘要 |
PURPOSE: A power steering system with a stopper is provided to glide a piston by connecting the piston to a steering wheel using a ball screw. CONSTITUTION: A power steering system(100) with a stopper comprises a housing(10), a piston(20), a first plunger(22a), a second plunger(22b), a first stopper(30a), and a second stopper(30b). The housing has a chamber. The piston is loaded on the chamber and is glided on the chamber. A pipe line(21) is formed in the piston. The first plunger is installed inside the pipe line so that the end of the first plunger can be protruded from one surface of the piston. The second plunger is installed inside the pipe line so that the second plunger can be protruded from the other surface of the piston The first stopper is installed in one surface of the housing and faces with the first plunger. The second stopper is installed in the other surface of the housing and faces with the second plunger.
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