Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Multipart
Patent
1994-08-08
1996-05-21
Meyers, Steven N.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Multipart
411387, 411396, 411375, 248 59, 248 62, F16B 3502
Patent
active
055183514
ABSTRACT:
An article of manufacture consisting of a self-tapping screw with a hex nut, joined to the head thereof where the hex nut including an internally threaded central bore, is used to facilitate the suspension of water pipes from a ceiling member in a building. The article can be inserted into the ceiling surface by first inserting the hex head into a socket which is affixed to the chuck of an electric drill. When the drill is energized, the self-tapping screw drills into or through the ceiling surface. Now, when the article is pulled free from the drill-mounted wrench socket, a threaded rod may be screwed into the hex nut for suspending a pipe cradle.
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Elco Industries, Inc., Hanger Mate-Threaded Rod Anchor, Advertisement.
Dino Suzanne L.
Meyers Steven N.
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