Double drain

Details Double drain Double drain

1989-02-13

1990-06-05

Recla, Henry J.

Baths, closets, sinks, and spittoons

Dry closets

With heating meas

4204, E05C 122

Patent

active

049301640

ABSTRACT:
Double drain apparatus for concurrently draining vertically spaced portions of a bathtub or the like containing liquid, such as water, comprising an upstanding drainpipe having upper and lower drain openings therein, valve mechanism for controlling the flow of liquid through the upper and lower openings including upper and lower hollow stopper cylinders mounted in the drainpipe for sliding movement between positions blocking the upper and lower openings and vertically spaced drain positions. Mechanism is provided for concurrently moving the upper and lower stopper cylinders between the blocking and drain positions.

REFERENCES:
patent: 1901649 (1933-03-01), Huber
patent: 2036692 (1936-04-01), Groeniger
patent: 3314082 (1967-04-01), Minella
patent: 3614952 (1971-10-01), Agnellino
patent: 3693197 (1972-09-01), Christiansen
patent: 4352213 (1982-10-01), Watts
patent: 4669131 (1987-06-01), Barlow

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