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US08667619B2 Water saving flapper valve weight apparatus 失效
节水阀瓣重量器具

Water saving flapper valve weight apparatus
Abstract:
A water saving device for a toilet adapted for mounting on an overflow tube above a flapper valve. The device uses a mainframe connected to the overflow tube to position a highchair that is pivotally mounted to the mainframe. A water cup is mounted to the highchair for weight and a vertical cam descends from the highchair to contact and close the flapper valve.
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