| 摘要 |
PURPOSE: A worm wheel for DC motor equipment is provided to remarkably improve durability by improving a structure in which a body part and a gear part are connected with a rib. CONSTITUTION: A ring type gear part(20) is equipped with a gear according to an outer periphery. A body part(30) is arranged to be separated toward the inner side of the gear part and is equipped with a damper accommodating part(32). The damper accommodating part accommodates a damper. A rib(40) connects the gear part and the body part. The rib is a one body type rib which is extended along the edge of the body part and has a valley and a peak in the thickness direction of the body part.
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