Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LOCK DEVICE OF SWITCH
Document Type and Number:
Japanese Patent JP2017073221
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To achieve cancellation of a lock on an operation axis by a manual operation when rotationally operating the operation axis by the manual operation without unintended rotation of the operation axis of a switch which can be rotationally operated by the manual operation in a normal condition by an outer force such as an earthquake.SOLUTION: A lock device of a switch according to the present invention, is a shaft system included in a state where an output axis and an axis of a warm gear are arranged in a serial, and comprises: a shaft system which can rotate with one end as a rotary fulcrum; an elastic member which energizes the shaft system facing a warm wheel side and engages the warm gear to the warm wheel; and a pressing force member which is a pressing force member that can be rotated by a manual operation, is directly or indirectly pressed to a direction separating the shaft system from the warm wheel by rotation, and separates the warm gear from the warm wheel against the elastic force of the elastic member.SELECTED DRAWING: Figure 1

Inventors:
KATAYAMA YUKIYA
MIKAMI TOKISHI
NISHIYAMA EIJI
Application Number:
JP2015197799A
Publication Date:
April 13, 2017
Filing Date:
October 05, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHUGOKU ELECTRIC POWER CO INC
International Classes:
H01H31/08; F16H1/16; F16H25/14; H01H31/02
Attorney, Agent or Firm:
Noboru Fujimoto
Hiroaki Nakatani
Akira Kitada