| 摘要 |
An acceleration detector includes a mass body movably housed in a case, an elastic member backwardly urging the mass body, and a switch that opens and closes by forward movement of the mass body against urging force, when acceleration is received by the mass body, wherein the mass body is formed of synthetic resins, whose specific gravity is high, molded by an injection molding process, and wherein metal powder having corrosion resistance and a material having sliding characteristic are added to the synthetic resins. |
