Differential pitch threaded fastener, and assembly
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United States of America Patent
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-
Aug 5, 1986
Issued Date -
N/A
app pub date -
Aug 1, 1983
filing date -
Dec 7, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A threaded fastener having an axis adapted to thread connect to two bodies for holding such bodies in fastened condition, one body having one thread and another body having another thread, the fastener comprising (a) threading having first and second load flanks which face axially oppositely, (b) said first flank defining a first pitch, and said second flank defining a second pitch, said pitches being different and characterized in that when said fastener is screwed onto body threads said first flank tightens against said one body thread when said second flank tightens against said other body thread.
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