Housing of motor, has large-diametered front disk with fastening holes and center hole which is removably attached to hill portion formed at exterior end of front lid of barrel

摘要

A barrel has front and rear ends covered by front and rear lids having center hole. The front lid has a stop plane around a hill portion formed with a diameter smaller than the diameter of barrel, at an exterior end. A large-diametered front disk (41) is attached on stop plane, by fitting center hole of disk into the hill portion. The disk has fastening holes (46) for vertically mounting the motor onto a predetermined plane.