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US 4,041,557 AGranted
Toilet flushing device with overflow inhibitor
AssigneeAluminum Plumbing Fixture Corp.
InventorRobin L. Ringler
Life of this patent
Estimating the term…
Abstract
An electrical toilet flushing device is provided which is particularly adapted for use in prisons and similar institutions whereby a toilet cannot be made to overflow by repeated flushing, even if the toilet is clogged. A fail-safe electrical circuit is provided and, in accordance with one embodiment of the invention, an electrical alarm is provided for toilets, warning when the water reaches a high level.
Claims3
A toilet having an electrical flushing mechanism includingan overflow inhibiting circuit, comprising in combination:
- a. a toilet bowl having a water supply pipe leading thereto;
- b. an electrically-actuated flushing valve for supplying flushing water through said supply pipe from a source of water supply;
- c. an electric supply including a momentary contact switch for actuating said flushing valve;
- d. an insulated electrode mounted in said water supply pipe;
- e. said electrode leading to a detection circuit and means whereby said detection circuit deactivates said electric supply when water is in said supply pipe and completes the circuit between said electrode and ground.
2 more elements
Dependencies are inferred from the claim text.