Patent ID: 6552638
Filing Date: 2003-04-22
Classification: H01H

Abstract:
A solenoid for making and breaking a connection between a contact and at least one terminal, the solenoid comprising:(a) a winding for receiving electric current; (b) a moveable plunger positioned in electromagnetic communication with the winding, the plunger having a center cavity, movement of the plunger in a first direction causing the connection between the contact and the terminals to be made, and movement of the plunger in a second direction causing the connection between the contact and the at least one terminal to be broken; (c) an abutment pin positioned in the center cavity of the plunger; and (d) an impact device in communication with the contact, the impact device positioned in the center cavity to impact the abutment pin when the plunger moves in the first direction and impact the plunger when the plunger moves in the second direction.