Portable toilet with vent means for the holding tank

Details Portable toilet with vent means for the holding tank Portable toilet with vent means for the holding tank

A - Human Necessities

47

K

4/5

A47K 11/02 (2006.01) B60R 15/04 (2006.01) E03D 9/05 (2006.01)

Patent

CA 1085551

ABSTRACT OF THE DISCLOSURE Apparatus for venting a sealed holding tank of a portable toilet to equalize the atmosphere and tank pressures before opening and closing the inlet port of the holding tank, said holding tank includes a valve assembly for opening and closing the inlet port of the tank, and a vent port means in the tank associated with the valve assembly so that when the valve assembly is moved toward its open position, the vent means will be opened immediately prior to opening of the inlet port and when the valve assembly is moved toward its closed position, the vent port will be closed immediately after closing of the inlet port.

321202

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