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US 7,030,327 B2Granted
Acceleration detector
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorTohru Matsumoto
Life of this patent
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Abstract
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.
Claims10
An acceleration detector comprising:
- a mass body movably housed in a case;
- an elastic member urging the mass body in one direction;
- and
- a switch that opens and closes by movement of the mass body in another direction against urging force due to acceleration received by the mass body,
- wherein the mass body is formed of synthetic resins, whose specific gravity is adjustable, molded by an injection molding process.
2 more elements
Dependencies are inferred from the claim text.