Title:
SWITCH DEVICE
Document Type and Number:
Japanese Patent JP2013127920
Kind Code:
A
Abstract:
To resolve the abnormal heat generation state when a foreign object enters between a movable contact and a fixed contact to generate heat.
A switch device 10 includes: fixed contacts 17, 18 immovably provided, movable contacts 201, 202 which are movably provided and separate from or move close to the fixed contacts 17, 18 when moving; an operation mechanism 13 receiving the operation force and moving the movable contacts 201, 202; and thermal expansion members 24 which are provided around the fixed contacts 17, 18 and receive heat of a temperature equal to or higher than a predetermined temperature to expand and penetrate between the fixed contact 17 and the movable contact 201 and between the fixed contact 18 and the movable contact 202.
Inventors:
KINO MASANOBU
Application Number:
JP2011277157A
Publication Date:
June 27, 2013
Filing Date:
December 19, 2011
Export Citation:
Assignee:
TOKAI RIKA CO LTD
International Classes:
H01H3/54; H01H23/16; H01H23/30
Attorney, Agent or Firm:
Patent Business Corporation Sato International Patent Office