Patent ID: 8981885
Filing Date: 2015-03-17
Classification: H01F

Abstract:
1. Electromagnetic actuator comprising a housing, a yoke coupled to the housing at an end thereof, a wire coil, an armature, a spring, and a catch, wherein the armature is profiled for movement in an actuation direction opposite to a force on the spring, the armature having a recess defining a shoulder, and wherein the catch secures the armature within the electromagnetic actuator, the catch being located inside the electromagnetic actuator, wherein the catch is elastic or elastically deflectable in a direction perpendicular to the actuation direction, and wherein the catch is integrally formed with a tube located between the armature and the wire coil, the catch having a single piece having a first end attached to the yoke inside the housing, and a second end having a flexible tongue that engages with the shoulder of the armature preventing the armature from disengaging.