Locking device with energency unlocking function

摘要

The present invention is to provide a locking device capable of emergency release, the configuration of the present invention is a fixing body 20 fixed to the seat (2) of the chair; A locking wing piece 6 mounted on the seat 2 of the chair and disposed in the receiving portion inside the fixing body 20; A latch 30 coupled to the fixing body 20 via an axis and having an unlocking guide groove 32 therein; The latch 30 is coupled with the unlocking guide groove 32 of the latch 30 and a position that is rotatably disposed on the fixing body 20 and pushes the latch 30 to rotate relative to the axis. It characterized in that it comprises a; cam 40 that is variable to a position that is rotated downward with respect to the axis.