Threaded anchor
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United States of America Patent
Stats
-
Mar 6, 2001
Grant Date -
N/A
app pub date -
Mar 7, 2000
filing date -
Jan 26, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An anchor has a hollow shank having a head at one end and an integral blade portion at the other end and formed with male threads on the outer periphery. Cuts are formed in a peripheral wall of the hollow shank to define therebetween a bendable portion adapted to bend when pushed out by a mounting screw driven into the hollow shank. The blade portion is substantially semicylindrical with side edges defining cutting edges. Ribs for inclining the mounting screw are formed on the inner surfaces of the blade portion and the hollow shaft, respectively. When a mounting screw is driven through the article into the anchor to fix an article to the board, the mounting screw is inclined relative to the anchor, so that the bendable portion is pushed out, thus preventing the anchor from rotating together with the screw.
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