Safety switch for a water dispenser

Valves and valve actuation – With means for blocking or disabling actuator – Latch manipulator mounted on handle or stem

Reexamination Certificate

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Details

C251S251000, C222S153140, C222S469000, C222S509000, C222S518000, C222S559000

Reexamination Certificate

active

06962319

ABSTRACT:
A safety switch for a water dispenser includes a sealing ring movably received in the channel to alternatively block communication between the inlet and the outlet, a guiding rod securely received in the sealing ring and having a first spring compressibly mounted around an outer periphery of the guiding rod, a handle adapted to be pivotal relative to the water dispensing tube and having a first distal end securely connected to a second distal end of the guiding rod, a support engaged with an outer periphery defining the channel and a sliding block movably sandwiched between the support and the handle so that movement of the sliding block relative to the support allows the pivotal movement of the handle, which initiates an upward movement of the guiding rod as well as the sealing ring such that the communication between the inlet and the outlet is resumed.

REFERENCES:
patent: 1314199 (1919-08-01), Jarvis
patent: 2701076 (1955-02-01), Bowman
patent: 3301525 (1967-01-01), Chernak et al.
patent: 5449144 (1995-09-01), Kowalics
patent: 5470044 (1995-11-01), Chi
patent: D378400 (1997-03-01), Kowalics
patent: 5762317 (1998-06-01), Frahm et al.
patent: 6082598 (2000-07-01), Lee
patent: 6086045 (2000-07-01), Moon
patent: D482235 (2003-11-01), Yui
patent: 6793195 (2004-09-01), Dou
patent: 6868994 (2005-03-01), Kawolics
patent: 6880797 (2005-04-01), Yui

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