US Patent 7138594 Push switch

A push switch includes an insulative housing (1), a pair of fixed terminals (2), a moveable contact (3) and an actuator(4). The insulative housing (1) made of insulative material has a base (10), a plurality of periphery walls (11), (12), (13), (14) extending upwardly from the base (10). The pair of fixed terminals (2) mounted in the insulative housing (1) include a pair of exposed contacting portions (211), (221) and a pair of extending portions (210), (220) extending outside. The moveable contact (3) driven by the actuator (4) includes a connecting portion (34), a first arm (31), a third arm (33) contacting with one of the fixed terminals (2) and a second arm (32) extending downwardly with respect to the connecting portion (34).