Quick-coupling connection device for a robotized apparatus of a fire fighting system arranged in a tunnel
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United States of America Patent
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Issued Date -
Dec 28, 2006
app pub date -
Jun 21, 2006
filing date -
Jun 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Is herein disclosed a quick-coupling connection device for robotized apparatus of a fire fighting system arranged in a tunnel therethrough a pressurized water pipe passes. The pipe comprises spaced male-portions of quick-connections for coupling with corresponding spaced female portions of said quick-connections. The male part connections comprise in their inside a shut-off disc-like body operating as a valve, arranged in a suitable seat thereof and adapted to be driven by a driving stem urged in a shut-off direction by a spring means bearing against a valve-guide disc arranged at a fixed position and having a plurality of through openings. The male part quick-connection comprises outer slots therein are engaged corresponding pins arranged inside the female part quick-coupling body. In the female part quick-connection a fixed pusher is arranged, said fixed pusher being assembled on a disc including openings for allowing water to pass therethrough, and being directed toward the shut-off body to open the valve assembled in the male part quick-connection as the two quick-coupling parts are connected to one another.
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