Accession Number : ADD004911

Title :   Pressure Actuated Sensor Switch with Bobbin, Trip Cord and Breakwire.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C

Personal Author(s) : Price,Jerome J ; Karsten,Carl G ; Paggen,William D

Report Date : 06 Sep 1977

Pagination or Media Count : 8

Abstract : A spring loaded trip string holding bobbin is deployed when a gas pressure supply is activated. The gas pressure forces a diaphragm member to move a detented biased camming release ring from a locking position to a deploying position. The initial movement of the release ring permits detent balls to move and release a sleeve element which holds the bobbin locked to a sensor assembly and initially prevents the movement of a post holding a breakwire sensing element which is attached to the personnel extended trip string. The release ring after a short interval of time automatically returns to its initial position unlocking the bobbin post so that the breakwire and the device will be responsive to string disturbance. (Author)

Descriptors :   *Patents, *Pressure switches, *Intrusion detectors, Actuators, Trip wires

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE