Portable toilet

Claim 2

A portable toilet comprising: housing means, at least a portion of which defines a reservoir for self-contained holding of clean flushing fluid; a toilet bowl connected to said housing by pivot means from upward pivoting movement from a normal horizontal position, in which flushing fluid and body waste may be retained therein at a predetermined level, to a dumping position, in which said flushing fluid and body waste may be dumped; a flexible bag container disposed in said reservoir and connected to said toilet bowl for self-contained receiving of said flushing fluid and body waste repeatedly dumped from said toilet bowl upon movement to said dumping position, the outer surfaces of said bag being surrounded and in pressure contact with said clean flushing fluid so that the level of said clean flushing fluid does not fall below its initial level after said repeated dumping of said toilet bowl; and transfer means connected to said toilet bowl and operable, upon its movement to said dumping position and return to said normal position, to transfer flushing fluid from said reservoir to said toilet bowl.

Claim 3

A portable toilet as set forth in claim 1 in which said bag is provided with an outlet closed by plug means which may be removed to periodically dump said fluid and body waste contained in said bag.

Claim 4

A portable toilet as set forth in claim 1 in which said housing is provided with an overflow compartment in fluid communication with said reservoir and into which flushing fluid displaced by filling of said bag may be received to prevent the level of said flushing fluid from rising above a predetermined level.

Claim 5

A portable toilet as set forth in claim 1 in which said transfer means comprises ports in said toilet bowl through which fresh flushing fluid may flow by displacement upon said return of said toilet bowl from said dumping to said normal position.

Claim 6

A portable toilet as set forth in claim 4 in which said ports are provided with check valves allowing flow into said toilet bowl but preventing flow through said ports in the reverse direction.

Claim 7

A portable toilet as set forth in claim 4 in which said fluid and body waste container comprises a flexible bag disposed within said reservoir so that its outer surfaces are in contact with said clean flushing fluid.

Claim 8

A portable toilet as set forth in claim 4 in which said housing is provided with overflow compartment in fluid communication with said reservoir and into which flushing fluid displaced by filling of said bag may be received to maintain a substantially constant level of flushing fluid in said reservoir and said toilet bowl when in said normal position.

Claim 9

A portable toilet as set forth in claim 1 in which said transfer means comprises a flush tank in fluid communication with said toilet bowl and positioned at a level, when said toilet bowl is in said normal position, to permit gravity transfer of fresh flushing fluid to said toilet bowl.

Claim 10

A portable toilet as set forth in claim 8 in which said flush tank is mounted for movement into said reservoir for receiving fresh flushing fluid therefrom upon said movement of said toilet bowl to said dumping position.

Claim 11

A portable toilet as set forth in claim 9 in which said flush tank is provided with a port having a valve through which fresh flushing fluid may flow as said flush tank moves into said reservoir, but preventing flow in the reverse direction.

Claim 12

A portable toilet comprising: a toilet bowl connected to said housing by pivot means for upward pivoting movement from a normal horizontal position, in which flushing fluid and body waste may be retained therein at a predetermined level, to a dumping position, in which said flushing fluid and body waste may be dumped; a container disposed in said housing and connected to said toilet bowl for receiving said flushing fluid and body waste dumped from said toilet bowl upon movement to said dumping position; a compartment attached to the bottom of said toilet bowl and opened to receive fresh flushing fluid from said reservoir when said bowl is in said normal position; a flush tank disposed above said predetermined fluid level of said toilet bowl; first conduit means connecting said compartment and said flush tank for gravity transfer of fresh flushing fluid from said compartment to said flush tank upon movement of said toilet bowl toward said dumping position; and second conduit means connecting said flush tank and said toilet bowl for gravity transfer of fresh flushing fluid from said flush tank to said toilet bowl on return of said toilet bowl to said normal position.

Claim 13

A portable toilet comprising: a toilet bowl connected to said housing by pivot means for upward pivoting movement from a normal horizontal position, in which flushing fluid and body waste may be retained therein at a predetermined level, to a dumping position, in which said flushing fluid and body waste may be dumped; a container disposed in said housing and connected to said toilet bowl for receiving said flushing fluid and body waste dumped from said toilet bowl upon movement to said dumping position; a compartment attached to the bottom of said toilet bowl and opened to receive fresh flushing fluid from said reservoir when said bowl is in said normal position; a flush tank disposed above said predetermined fluid level of said toilet bowl; first conduit means connecting said compartment and said flush tank for gravity transfer of fresh flushing fluid from said compartment to said flush tank upon movement of said toilet bowl toward said dumping position; and second conduit means connecting said flush tank and said toilet bowl for gravity transfer of fresh flushing fluid from said flush tank to said toilet bowl on return of said toilet bowl to said normal position.

Claim 14

A portable toilet as set forth in claim 11 in which said fluid and body waste container comprises a flexible bag disposed within said reservoir so that the level of said fresh flushing fluid is maintained at at least the initial level therein after a number of dumpings of said toilet bowl into said container.

Claim 15

A portable toilet as set forth in claim 11 in which said toilet bowl and said container are connected by trap means, maintaining said predetermined fluid level in said toilet bowl when in said normal position.