Patent ID: 7220926
Filing Date: 2007-05-22
Classification: H01H

Abstract:
1. A switching apparatus comprising: a plurality of stationary contacts arranged in a first direction; a contact holder movable in the first direction, the contact holder including a rod-shaped portion extending in a second direction substantially perpendicular to the first direction and substantially parallel with a sliding plane of the contact holder; a movable contact assembled to the contact holder, the movable contact including an elastically deformable folded-back piece portion which is folded back in such a manner as to be wound around a circumferential side surface of the rod-shaped portion, and a sliding piece portion which slides on and contacts the plurality of stationary contacts with the movement of the contact holder; and wherein the contact holder includes a plurality of operation lugs located on a bottom surface of the contact holder and extending perpendicularly from the bottom surface to engage a flat plane portion of the movable contact abutting the bottom surface; and grease applied between the sliding piece portion and the plurality of stationary contacts.