Overflow device for bathtub

Details Overflow device for bathtub Overflow device for bathtub

2006-03-07

2006-03-07

Huynh, Khoa D. (Department: 3751)

Baths, closets, sinks, and spittoons

Drain, overflow or trap for a sink or bath

Drain and overflow

C004S668000, C004S669000, C004S683000, C004S694000, C137S410000, C137S428000

Reexamination Certificate

active

07007319

ABSTRACT:
An overflow device for a bathtub with an overflow inlet arranged for mounting in a conventional overflow hole of the bathtub and a valve connected between a water supply and a conventional bath tap. A spring can be used to change the valve from its open state to its closed state. A float and trigger lever can detect water that has entered the overflow inlet and trigger the device to change, using the stored spring energy, from a set state in which the valve is open to a triggered state in which the valve is closed. A manually operable resetting element can be operated by a user to replenish the spring with energy and return the device to the set state. The device can be permanently plumbed in and the bulk of the device can be hidden from view outside the bathtub.

REFERENCES:
patent: 4945579 (1990-08-01), Husting
patent: 589121 (1933-12-01), None
patent: 824881 (1938-02-01), None
patent: 2288330 (1995-10-01), None
patent: 2312838 (1997-11-01), None
patent: 2375296 (2002-11-01), None
patent: 55-042982 (1980-03-01), None
patent: WO93/09303 (1993-05-01), None
patent: WO99/11876 (1999-03-01), None

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