Patent ID: 9748054
Date: 2017-08-29
CPC Classifications: H01H

Claim:
1. A contact device, comprising: a fixed contact member including a fixed contact; a movable contact member which includes a movable contact and is movable between a position where the movable contact is in contact with the fixed contact and a position where the movable contact is away from the fixed contact; a permanent magnet forming a magnetic field around the fixed contact; a case for accommodating at least the fixed contact member and the movable contact member; an armature; a driver for driving the armature; a contact spring for holding the movable contact so as to allow the movable contact to be in contact with and separate from the fixed contact; a card interconnecting the armature and the contact spring; and a heel piece forming a magnetic circuit together with the permanent magnet, the case including a first accommodation part which is partitioned from an internal space of the case and is for accommodating the permanent magnet through an opening thereof directed to an outside of the case, and a second accommodation part which is partitioned from the internal space of the case and is for accommodating the heel piece through an opening thereof directed to the outside of the case, and the card being resilient and fixed to each of the armature and the contact spring.