Water control valve core with a segmented locking function

Details Water control valve core with a segmented locking function Water control valve core with a segmented locking function

2011-02-22

2011-02-22

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

Mechanical movement actuator

Lever

C251S115000, C137S625170

Reexamination Certificate

active

07891638

ABSTRACT:
The present invention provides a water control valve core with a segmented locking function. The invention includes a valve casing, a brake unit, and a water control element. A bottom plate under the tube portion of the seat of the brake unit is placed within the hold tank of the valve casing. A driven portion penetrates the bottom plate. The fixed valve, free valve and driving seat of the water control element are arranged within the hold tank of the valve casing. An upper locking portion is assembled under the bottom plate of the seat of the brake unit; and a collapsible lower locking unit is individually manufactured and then assembled onto the locating portion at top of the driving seat of the water control element. The lower locking unit could be interlocked with the upper locking portion.

REFERENCES:
patent: 5522429 (1996-06-01), Bechte et al.
patent: 6796544 (2004-09-01), Chen
patent: 7357154 (2008-04-01), Chen
patent: 2006/0144449 (2006-07-01), Cattaneo
patent: 2006/0186364 (2006-08-01), Schwarzer et al.

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