Quick connect disconnect coupling
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United States of America Patent
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Jan 20, 1998
Grant Date -
N/A
app pub date -
Sep 10, 1996
filing date -
Sep 11, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A telescopic quick connect disconnect connecter where movement between the telescopic members may be controlled by a pair of springs. The connecter includes telescopic male and female members joined by action of a spring which normally prevents withdrawal of the male member from the female member by being wedged between the camming surface of a recess in the female member and a notch in the male member. A second notch is provided on the male member beyond the female member in which a second spring is placed which will abut against the end of the female member to limit further insertion of the male member into the female member. The latter spring is intended to fail in unusual stress situations such as earthquakes to prevent catastrophic failure of the system. This system is particularly disclosed for use with supply pipes for fire sprinkler systems. Also disclosed is a method for manufacturing the male members and a method for use of the piping.
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