Electric snap-action switch

摘要

A snap-action switch having a housing, a push button and return springs therefor, a pair of contact assemblies and a pair of contact bridges between the contact assemblies, a jump member to alternately move the contact bridges against and away from the contact assemblies, a single stationary magnet on the housing, the jump member including a soft iron leg or plate to engage and be retained by the magnet, and the jump member also including a soft iron armature or plate movable with respect to the leg of the jump member toward and away from the magnet, and a bias spring alternately bearing at one end against the push button and jump member and alternately bearing at the other end through a thrust member or plate to the soft iron armature and the push button.