FIRE ANNUNCIATOR SOCKET Russian patent published in 2007 - IPC G08B17/00 

FIELD: automatics and electric engineering, possible use in fire alarms for ensuring detachable contact in electric connecting devices.

SUBSTANCE: device contains dielectric body in form of rotation body with fastening apertures, aperture for inserting conductors and recesses for fastening elements, elements for orientation of corresponding base and hollows, wherein electro-conductive contact elements are installed, corresponding to response contacts of base and forming stable mechanical and electric connection with them on rotation. Each aforementioned hollow is positioned between paired opposite recesses of back side of body for resilient screw-less fastening of electro-conductive contact element and paired positioning protrusions and recesses of face side of body and is made with a recess, corresponding to depth of insertion and rotation arc of corresponding base contact.

EFFECT: increased reliability of connection between the socket and corresponding base of fire annunciator.

3 cl, 4 dwg