Patent ID: 9653235
Date: 2017-05-16
CPC Classifications: H01H

Claim:
1. A switch device comprising: an operation unit having a pushbutton for performing a pushing operation; a switch unit detachably attached to the operation unit, the switch unit including an opening-closing contact mechanism opened or closed in conjunction with the pushing operation of the pushbutton of the operation unit, and a rotary drive plate rotating between a standby position and a usage position; and an engagement portion provided at the operation unit, the engagement portion engaging the operation unit to the rotary drive plate to rotary-drive the rotary drive plate from the standby position to the usage position when the operation unit is attached to the switch unit, wherein the rotary drive plate is arranged so that in the standby position, the rotary drive plate drives the opening-closing contact mechanism to be in an opening-closing state where the operation unit is in an operation state, and in the usage position, the rotary drive plate drives the opening-closing contact mechanism to be in the opening-closing state where the operation unit is in a standby state, and the operation unit is detached from or attached to the switch unit to set the opening-closing contact mechanism in respectively predetermined opening-closing states.