Abstract: A toilet stool including a bowl supported above the ground, a flexible hose connecting the bowl to a sewer pipe and a support member for releasably retaining the flexible hose in a trap configuration. The bowl is lifted and the flexible hose substantially straightened to flush the toilet stool.

Abstract: An elongate plate having prealigned holes for guiding a flexible conduit in both the horizontal and vertical directions in order to form a flexible drain trap for permanently retaining a proper quantity of water therein to prevent an intrusion by insects.

Abstract: A flush valve is provided for opening and closing a drain connecting a toilet bowl to a waste holding tank maintained at a partial vacuum. The flush valve is located external to the drain and comprises a pinch or nip mechanism surrounding a flexible section of the drain and an electro-mechanically operated actuator for moving the pinch mechanism to close the drain by pinching it shut or to open the drain by pulling it apart. The actuator includes a motor for moving a piston in opposite directions, and a cylinder having one end connected to the pinch mechanism and another end containing an enclosure. The piston is retained and reciprocable a limited distance within the enclosure, and a spring is interposed within the enclosure to provide biasing means between the piston and the cylinder.

Abstract: A urinal installation includes a urinal bowl, with a flexible conduit member connected to a drainage pipe normally present in bathrooms or the like, and a means to flush the urinal with water. The urinal bowl is mountable on a support such that part of the conduit forms a trap during storage. When lifted from the support for use, the conduit is straightened, removing the trap and permitting drainage. When returned to the support after use, the device is flushed and the trap restored. Alternatively, a portion of the conduit may be a rigid pipe forming a trap regardless of urninal bowl position.

Abstract: An odor trap assembly (10) comprising a drain hose unit (12) connected between a holding tank inlet (12) connected between a holding tank inlet (20) and a remote collection receptacle (50); and, a framework unit (11) having at least one elevated support surface (14) formed intermediate its ends; wherein the height of the said at lest one elevated support surface (14) is sufficient to create a liquid barrier (100) within the drain hose unit (12) when a portion of said drain hose unit (12) is draped over said at least one elevated (12) support surface.

Abstract: A plumbing trap is described for use with drain pipes from sinks or other fixtures that fits pipe of different diameters, which drain pipes need not be in perfect alignment, and may be of a different diameter at the entrance than at the exit of the trap. The trap can be easily attached and detached, is molded of a flexible plastic which provides a soft structure that can be manually manipulated to discharge obstructions therefrom without removal from the drain pipes, and is impervious to most chemicals.

Abstract: A portable toilet comprising: a housing at least a portion of which defines a reservoir for holding clean flushing fluid; a toilet bowl connected to said housing for upward pivoting movement from a normal horizontal position, in which flushing fluid and body wastes may be retained therein, to a dumping position, in which the flushing fluid and body wastes may be dumped; a container disposed in the housing and connected to the toilet bowl for receiving the flushing fluid and body wastes dumped therefrom; and transfer apparatus associated with the toilet bowl and operable upon its movement to the dumping position and return to the normal position, to transfer flushing fluid from the reservoir to the toilet bowl.