| 摘要 |
PROBLEM TO BE SOLVED: To provide an air motor which can simplify its structure, can reduce its machining cost and can be lightened. SOLUTION: In this air motor, a cylinder sandwiched between upper and lower end plates is eccentricaly arranged in a body composing the air motor. A stator 11 is arranged in a space 10 formed between the inner wall of the body and the outer wall of the cylinder, a passage 13 for communicating air from an introducing port 2 formed in the body with a cylinder side introducing hole is formed in the stator 11, and a seal ring 13a for retaining airtightness of the passage 13 is arranged around the entrance of the passage 13.
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