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US 4,903,010 AGranted
Intrusion detection switch housing
OwnerTeddy R. Greeneinventor
Life of this patent
Estimating the term…
Abstract
A threadably installable intrusion detection unit. The unit has a generally cylindrical housing with an exterior threaded surface and an end portion formed to receive a screw driver. An operative intrusion detection element, such as a magnetic or a reed switch, is contained within the hollow interior of the housing.
Claims7
A magnetic switch unit for use in an intrusion detection device for mounting in a door or window assembly, comprising:
- a generally cylindrical hollow housing member formed with a threaded exterior surface and having an end portion formed to receive a screw driver for screwing said housing member directly into said door or window assembly;
- and
- an operative detection element fixed within said hollow housing member for detecting the movement of said door or window assembly;
- whereby said magnetic switch unit is adapted to be threadably installed directly into said door or window assembly.
1 more element
A magnetic switch housing for use in an intrusion detection device for mounting in a door or window assembly, comprising:
- a generally cylindrical member defining a hollow interior cavity sized and dimensioned to receive an operative detection element;
- said member being formed with a threaded exterior surface and having an end portion formed to receive a screw driver, whereby said housing may be threadably installed in said door or window assembly.
A method of installing an intrusion detection unit in a supporting member comprising the steps of:
- providing an intrusion detectin unit having a generally cylindrical housing of characteristic diameter and having a threaded exterior surface;
- pre-drilling a hole in said supporting member sized to snugly receive said characteristic diameter;
- and
- screwing said housing into said hole.
1 more element
Dependencies are inferred from the claim text.