AIR PASSAGE STRUCTURE OF TRANSMISSION

摘要

PROBLEM TO BE SOLVED: To provide an air cylinder for driving a transmission, whose air passage is formed by casting using pressure die casting. SOLUTION: There are provided a hole as cast (6b) provided in the air cylinder body (1) and grooves (6c) at an end face of the body (1) linking with the hole (6b). The grooves (6c) are covered with a cap (30) to form the air passage.