Portable toilet

Details Portable toilet Portable toilet

1985-09-19

1988-08-23

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Flush closet

With holding tank

E03D 100

Patent

active

047649941

ABSTRACT:
A portable toilet of the type having a waste holding tank which is separable from a bowl unit of the toilet. The tank includes a vent for permitting entry of air to the holding tank during emptying thereof. This avoids surging of the contents of the tank during emptying, assuring a smooth flow of the liquid and minimizing splashing. In a preferred embodiment, the vent takes the form of a sleeve projecting upwardly from the holding tank and defining a vent passageway, and a cap on the sleeve which can be manually raised to open the vent passageway but which is automatically depressed to close the vent when the bowl unit is secured to the holding tank.

REFERENCES:
patent: 2606736 (1952-08-01), Ferm
patent: 2700982 (1955-02-01), Fuentes et al.
patent: 2753069 (1956-07-01), Meester
patent: 3747130 (1973-07-01), Sargent et al.
patent: 4058120 (1977-11-01), Caparelli et al.

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