Patent ID: 9679725
Date: 2017-06-13
CPC Classifications: H01H

Claim:
1. A magnetic switch comprising: a bobbin having a cylindrical body and a plurality of flanges with a coil wound on an outer circumferential surface of the cylindrical body; a fixed core fixed to an inner side of the cylindrical body; a movable core slidably installed in the cylindrical body such that it contacts or separates from the fixed core; and a guide portion that protrudes from a lower portion of the cylindrical body along an inner circumferential surface of the cylindrical body, wherein the fixed core is spaced apart from the cylindrical body by a predetermined distance, wherein the movable core is linearly moved along a central axis of the fixed core, wherein a length of the guide portion is shorter than a length of the movable core such that a portion of the movable core is spaced apart from the cylindrical body, and wherein the inner surface of the guide portion entirely contacts the movable core in a closed or open state of the magnetic switch.