Patent ID: 11905695
Assignee: ZOELLER PUMP COMPANY, LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 4:
5. A waste collection and disposal unit comprising a tank, a float-switch sensing system, which senses the level of liquids within the tank, and a grinder pump,
wherein the tank comprises a contoured and sloping floor, a front section, a back section, two side sections, and a lid;
wherein the surface of the floor is contoured in a downwardly curved shape extending between the front and back sections of the tank;
wherein the float-switch sensing system comprises a switch housing and a float housing;
wherein the switch housing contains electronic components for operating a float switch;
wherein the switch housing is secured to the float housing;
wherein the float housing encloses a float; and
wherein a lower edge of the float housing is contoured and sloped to match the contour and slope of a portion of the surface of the floor provided opposite to the edge.