In-field installable closing delay cup

Details In-field installable closing delay cup In-field installable closing delay cup

1988-02-01

1990-03-13

Recla, Henry J.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4379, 4386, E03D 134

Patent

active

049073028

ABSTRACT:
An improvement is provided for toilet flush valves on tanks which contain insufficient water to flush properly, which leads to waste of water by double flushing. The improvement enables in-field modification of the flush valve to substantially completely empty the tank. A closing delay device (42, FIG. 1) which includes a cup (64), is attached directly to the top of the tank ball (32) for easy installation, and is tall enough so that when the tank ball is pivoted to the fully opened position the cup is pivoted to a side of the pivot axis (28) opposite the tank ball to delay closing of the flush valve. The tank ball is formed of soft rubber and has an upwardly extending tubular extension (74) with an annular groove therein, which closely receives an annular flange at the bottom of the delay cup device.

REFERENCES:
patent: 2773268 (1956-12-01), Hurko et al.
patent: 3142846 (1964-08-01), Lackenmaier et al.

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