US PATENT SUBCLASS 169 / 39
.~.~ Compound

Current as of: June, 1999
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169 /   HD   FIRE EXTINGUISHERS

37  DF  SPRINKLER HEADS {4}
38  DF  .~ Collapsible strut {1}
39.~.~ Compound

DEFINITION

Classification: 169/39

(under subclass 38) The strut, comprises a plurality of articulated elements whose holding relationship is destroyed on the failure of the strut. The elements of the strut may include levers or other mechanical forms, but the strut as a whole is a compression resisting device.