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US 10,591,072 B1Granted
Sewer back-up prevention device for a recreational vehicle
OwnerMarty L. Wysingerinventor
Life of this patent
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Abstract
A sewer back-up prevention device for a recreational vehicle utilizes a T-shaped unit of tubing having a recreational vehicle sewer line hook-up on a first end, a sewer hose hook-up on a second end, and a trap cleanout access point disposed therebetween. Disposed within the T-shaped unit is a one-way flapper valve.
Claims11
A sewer backflow prevention device, comprising:
- a bayonet fitting;
- a lug fitting;
- a pair of piping sections utilized to connect the bayonet fitting to a backflow prevention valve and the backflow prevention valve to the lug fitting;
- and
- wherein the backflow prevention valve having an access cover;
- wherein sewage travels along a sewage travel path from the bayonet fitting to the lug fitting;
- wherein the sewage travel path will lift a flapper gate through a pivoting travel path via a hinge assembly to a lifted position under normal conditions;
- wherein the flapper gate rests against a valve seat surface during times of no sewage flow;
- wherein as the valve seat surface prevents the flapper gate from reverse travel;
- wherein any sewage flowing in an opposite direction will be stopped at the backflow prevention;
- and
- wherein the valve may prevent sewage from traveling through the sewer backflow prevention device in a reverse direction.
9 more elements
Dependencies are inferred from the claim text.