Abstract: In a preferred embodiment, a joint for joining a first panel and a second panel of a portable restroom includes a first jaw section, a second jaw section, and an outer bumper section. The first jaw section is adapted to allow insertion and removal of the first panel along a first axis and to provide engagement to the first panel in all directions perpendicular to the first axis. The second jaw section is adapted to allow insertion and removal of the second panel along a second axis and to provide engagement to the second panel in all directions perpendicular to the second axis. The outer bumper section has a first edge connected to the first jaw section and a second edge connected to the second jaw section.

Abstract: There is provided a disposable toilet bowl for care which can be worn without a sense of incongruity substantially all time by a serious person requiring care, and in which discharged excrements are not leaked and adhered to portions other than the circumference of the anus.

Abstract: A vent stack screen for portable toilet holding tanks is provided in the form of a cap designed to fit over the open end of an open air vent stack extending from the holding tank through the roof of a portable toilet. The cap is constructed from a tubular sleeve of plastic material having an inner diameter substantially equal to the outer diameter of the vent stack of a holding tank. The cap includes an inwardly extending annular lip formed at one end. A circular mesh of plastic screen material is secured within the tubular sleeve between the annular lip and a plastic locking ring received within the tubular sleeve.

Abstract: Toilet block for a composting toilet which includes a toilet bowl and, situated below this, a holder for receiving night-soil delivered via the toilet bowl and for removing completely or partially broken down night-soil. The toilet block is prefabricated and designed in two parts in the form of an upper part, which is intended to accommodate at least one toilet bowl, and a lower part which is intended to accommodate a holder for receiving and composting night-soil delivered via a toilet bowl in the upper part. The upper part and the lower part are dimensioned such that the two parts can be situated one inside the other in a position for transport and storage. When the toilet block is being installed, the upper part can be lifted and secured relative to the lower part in a raised position in which the ceiling of the lower part becomes the floor of the upper part.

Abstract: A portable restroom facility has a housing. The housing has a door opening for entering and exiting the housing. A removable waste storage container is stored within the housing for holding bodily waste. When the removable waste storage container is full or partially full, the removable waste storage container can be removed and a new clean removable waste storage container can be inserted into the housing. Thus, a waste drainage truck does not need to visit each facility and drain each portable restroom facility.

Abstract: An enclosure for a portable toilet comprises at least two sections, one of which has a door opening and a door mounted thereon. The enclosure door is moveable between a closed position and an opened position. Each enclosure section includes a first end and a second end. A tab having a hole extends from the first and a hole is formed in the second end of each enclosure section. When assembled, the first end of one section abuts the second end of the adjacent section. To ensure a substantially smooth seam or junction between the two sections, the tab extends from the inner surface of one section, across the junction between the two sections, to lie against the inner surface of the adjacent section. The tabs are aligned with the holes, and are sized such that the tab holes align with the section holes. A fastener is passed through the section hole and the tab hole to secure the two sections together. Mounting tabs are also provided at the bottom of the enclosure to secure the enclosure to the base.

Abstract: A toilet device, in particular for bedridden persons, includes a lower shell (20) whose top side has a support surface (45; 80, 82) surrounding an opening (30) to receive the stool and urine of a person on the lower shell, in such a way that there is a first sealing line portion between the person and lower shell, which first sealing line portion extends from the inside of one buttock over the coccyx or lower back region to the inside of the other buttock. An upper shell (22) can be mounted to the lower shell and is so formed that in a transitional region between the lower shell and the upper shell (22) connected thereto there are second and third sealing line portions, adjoining the first sealing line portion, in the region of the uppermost insides of the thighs or the lowermost trunk region, which are adjoined by a fourth sealing line portion which extends from one side of the lowermost trunk region over the pubic region or lower abdomen region to the other side of the lowermost trunk region.

Abstract: An enclosure for a portable toilet comprises at least two sections, one of which has a door opening and a door mounted thereon. The enclosure door is moveable between a closed position and an opened position. Each enclosure section includes a first end and a second end. A tab having a hole extends from the first and a hole is formed in the second end of each enclosure section. When assembled, the first end of one section abuts the second end of the adjacent section. To ensure a substantially smooth seam or junction between the two sections, the tab extends from the inner surface of one section, across the junction between the two sections, to lie against the inner surface of the adjacent section. The tabs are aligned with the holes, and are sized such that the tab holes align with the section holes. A fastener is passed through the section hole and the tab hole to secure the two sections together. Mounting tabs are also provided at the bottom of the enclosure to secure the enclosure to the base.

Abstract: The invention relates to a composting toilet installation comprising: a toilet seat placed over a gravity outlet opening; receiver means for receiving liquid effluent, fecal matter, and other waste; recovery means for receiving the liquid effluent; and displacement means for moving the fecal matter and other waste from the reception zone towards a storage zone. The installation further comprises in the storage zone: a composting medium constituted in particular by the fecal matter and other waste brought in by the displacement means and containing worms of a variety suitable for transforming the fecal matter and other waste into compost; and dampening means for keeping the composting medium damp other than by means of urine.

Abstract: A portable toilet seat is attachable to a vehicle mounted hitch receptacle having an elongated square opening. The toilet seat includes a coupling portion configured to be slidably inserted into and supported within the hitch receptacle and a seat portion connected to the coupling portion and comprising a single curvilinear band in the shape of an incomplete oval and defining an open center.

Abstract: A cleaning device for the anus including a cylindrical portion comprised of a flexible material. The cylindrical portion has an open upper end, a closed lower end, and a cylindrical side wall therebetween. The closed lower end is concave defining a central alignment point.

Abstract: The invention relates to a composting toilet installation comprising: a toilet seat placed over a gravity outlet opening; receiver means for receiving liquid effluent, fecal matter, and other waste; recovery means for receiving the liquid effluent; and displacement means for moving the fecal matter and other waste from the reception zone towards a storage zone. The installation further comprises in the storage zone: a composting medium constituted in particular by the fecal matter and other waste brought in by the displacement means and containing worms of a variety suitable for transforming the fecal matter and other waste into compost; and dampening means for keeping the composting medium damp other than by means of urine.

Abstract: A knockdown portable toilet cabana comprises substantially identical panels forming opposite, vertical side walls and a rear wall, and a front panel having an access opening with a door covering the opening and hingedly connected to the front panel. The lower edges of the panels are engaged with a floor forming base and a covering roof is arranged at the upper ends of the panels. The lower edges of the panels and the corresponding peripheral edges of the base are provided with interconnecting channels and tongues for releaseably attaching, and for detaching the panels and the base. The upper edges of the panels and the corresponding edges of the roof are provided with releaseable connectors for attaching and detaching the roof from the panels. Elongated channel members frictionally engage and releaseably connect together the adjacent vertical edges of the panels. A toilet waste holding tank is removably positioned within the cabana.

Abstract: A toilet cabana having a removable container is disclosed. The cabana has a door for ingress and egress of the user and comprises a surrounding enclosure for privacy. The removable container receives waste from the user and comprises a top opening for receiving the waste and an opposite bottom opening. The container holds a removable bag therein. The bag has opposite first and second open ends that are releasably closable. Waste may be emptied from the container either by opening the bottom opening of the container and the open second end of the bag while the bag remains within the container or by removing the bag entirely from the container.

Abstract: A portable, private toilet is provided having a frame type covered in canvas around three sides of a folding frame supporting a toilet seat. A disposable plastic bag is used under the toilet seat, thus allowing easy cleanup after bathroom duties. The frame is held shut by the use of hook and loop fasteners such as Velcro®. The frame folds flat and is provided with a handle for ease of carrying, storage and transport.

Abstract: A portable outdoor toilet with advertising indicia including a platform having a generally circular configuration. A base is positioned atop the platform. The base has a generally circular configuration. A cylindrical tube is positioned atop the base. The cylindrical tube has an open upper end, an open lower end, and a cylindrical side wall therebetween. The open lower end is positioned on the platform. The cylindrical side wall has an opening therein. The opening has a door hingedly coupled thereto. A roof is positioned atop the open upper end of the cylindrical tube. The roof has a generally circular and arcuate configuration. A flexible sheet is adapted for being wrappedly disposed around the cylindrical side wall of the cylindrical tube. The sheet has an inner surface and an outer surface. The inner surface has an adhesive disposed thereon. The outer surface has indicia disposed thereon. The sheet has a lateral slit formed therein to accommodate the door of the cylindrical side wall.

Abstract: In order to provide additional flexibility in a portable restroom, a base assembly is specifically designed to include an internal tank capable of maintaining and carrying flushing fluid. Thus, when a flushing restroom is desired, an additional tank is not needed. In order to convert to a flushing model, the base assembly is simply filled with appropriate liquid, and a pump is added. In addition to providing additional capabilities, the additional fluid in the base unit provides for more weight, thus increasing the stability. Also, the base assembly has a support structure which can be snap fit to the tank member. By allowing the snap fitting feature, the support structure can be designed very rugged, however will very easily and completely attach to the tank member.

Abstract: A portable toilet for marine craft securely located on the deck of a boat, and including a privacy cover. The toilet includes a seat assembly and a box-shaped housing for a portable toilet. A support brace connects the boat seat assembly to the housing. The boat seat assembly includes a boat seat, a boat seat back, and the support brace, made up of first and second support members hinged together. The first member connects the boat seat back to the second support member. The inner surface of the second support member defines a seat receiving portion for the boat seat. The portable marine privacy toilet can also have a swivel attached to the bottom for allowing the toilet to be vertically pivoted, and a clamp for removably fastening the privacy cover to the toilet.

Abstract: A composting toilet for composting toilet waste, which toilet comprises a composting chamber, in which the toilet waste is received and when needed is mixed with a decomposition-boosting material in order to decompose this compost into humus, a humus-collection box, which is located underneath the composting chamber for collection and emptying of the humus from the composting chamber, and a grid positioned between the composting chamber and the humus-collection box and formed with through-passage openings, said grid arranged to support the compost and to allow fall-through of the humus from the composting chamber to the humus-collection box. Underneath the grid a sliding damper is arranged for regulation of the degree of openness of the openings in the grid and of the fall-through of the humus in order thus to control the decomposition process in the composting chamber by regulation of the moisture balance in the compost contained in the composting chamber.

Abstract: The present invention provides a passive deodorization device suitable for use in a portable toilet enclosure having a vent tube for venting odors from a holding tank. The deodorization device has a housing having an engagement surface for engaging a vent tube outer surface, and an aperture. Two fingers extend from the aperture into the vent tube. A retention member mounted on the fingers engage a vent tube inner surface and clamp the vent tube wall between the housing and retention member. A deodorizing element slipped into the aperture between the fingers deodorizes the malodorous vapors associated with the toilet.

Abstract: A commode is disclosed having a specially configured bolts to secure the commode seat to the frame of the commode. The bolts are affixed to a back bar of the commode frame and have a straight portion adapted to be secured to the back bar and an angled portion to be secured pivotally to the rear of the commode seat. The straight portion and the angled portion are formed together with an intermediate arcuate portion to form an acute angle with respect to each other. In the assembled commode, the straight portion of the bolts extends horizontally rearwardly from the back bar so as to avoid damage to a household toilet when the commode is positioned atop the toilet. In addition, by the special configuration, the rear of the commode seat is positioned vertical directly above the back bar to prevent the commode seat from falling any appreciable distance downwardly in the event of a failure of one or both of the special bolts.

Abstract: The present invention relates to a fully automatic toilet ware without flushing, including a case body; a shaped cavity; a seat ring provided on said cavity; a plastic cover over the periphery of said case body; an opened-closed pulling mechanism to pull plastic bag, provided in said case body for controlling the connection between said shaped cavity and an excrement-holding box fixed under said case body; said case body is fixed on one pedal, and said pedal has one end hinged with base, said front end of said pedal is a swing end, and there is a pressing spring fixed between its end and the base, the pedal is hinged at least with one crank for controlling the operation of said opened-closed pulling mechanism, said crank has one end rolling against the supporting board of said base, and the other end is connected with said opened-closed pulling mechanism.

Abstract: An outdoor toilet system is provided with a mechanism for agitating solid waste material accumulating in a collection container, to reduce the volume of material. The agitator mechanism has a linkage connected to the door of the enclosure in which the toilet is located, such that the agitator mechanism is operated each time the door is opened and closed. The agitator mechanism can be a mechanical agitator or an air jet mechanism.

Abstract: An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat. This extension member serves to provide distance between the toilet seat and the vehicle. The seating frame consists of a background which is perpendicular to extension member and two arms which extend from the back rail. The back rail and arms create a generally "U" shaped frame. In the top surface of the back rail are two mounting apertures. These apertures are 51/2 inches apart which is the standard different distance of the two mounting bolts commonly found on standard toilet seats. The toilet seat can be used by hunters, fisherman, campers, construction workers, boaters and other people who find themselves away from conventional bathroom facilities.

Abstract: The present invention includes an enclosure with a floor that include an upper side and a lower side opposing the upper side. The lower side contacts a surface and is reversibly attachable to the surface. The enclosure also includes a sidewall attached to the floor.

Abstract: A mixing drum for a composting toilet has an auger for transporting mixed material from a back end of the mixing drum to the front end of the mixing drum in order to increase the residence time of material mixed in the drum. The auger is enclosed in an auger tube and the auger rotates about an axis which is radially spaced from the longitudinal axis for the mixing drum, about which the mixing drum itself rotates.

Abstract: A system for the removal of waste from dry toilet bowls (10) and other containers adapted to have a disposable liner sheet (12) comprising an apparatus (16, 18, 20, 36) for forming elastic wads (32) from lengths of liner sheet (12) containing waste and for inserting the wads through a port (28) into a pipe (34), and an arrangement (38) for introducing air pressure into the pipe near the port to propel the wads along the pipe toward the exit (40).

Abstract: A portable, foldable toilet apparatus for attaching to a tree trunk, and including a tree trunk gripping frame section and a pair of longitudinal seat members pivotally connected to the gripping frame section for pivotal movement from a folded position within the gripping frame section to an open horizontal cantilevered position extending forwardly of the gripping frame section for supporting the weight of a person sitting thereon.

Abstract: A portable toilet seat which may be removably mounted to a receiver mount towing hitch. The portable toilet seat includes two arcuate seat members each having a first end and a second end. The first end of each is affixed to the outside face of each of two rectangular shaft components which are attached to one another by means of a hinge. The hinge allows the arcuate seat members to fold such that the arcuate seat members rest side by side for easy storage and transport.The present invention additionally provides a portable toilet seat which may be removably mounted to a receiver mount towing hitch, including two arcuate seat members and a shaft. The seat members each have a first end and a second end which are affixed to opposing sides of the rectangular shaft.

Abstract: An excrement treating machine of a non-flushing toilet comprises a housing, a breaking and separating mechanism, a power driving unit, and a conveyer device. The housing is provided at the top thereof with a toilet seat provided with an excrement bag for collecting excrement. The excrement bag containing the excrement is dropped into the excrement treating machine in which the excrement bag and its contents are cut and broken into pieces, which are transported to the collection containers in which the excrement pieces are dehydrated to become an organic fertilizer. The entire treatment process makes no use of water.

Abstract: A portable toilet comprising a cabana in which a tank is installed to contain liquid and solid waste and a conditioning liquid for said waste, said tank having, in a substantially central position, a port around which an annular seat is provided. Inside the waste-collecting tank, in correspondence to its port, temporary collection apparatus for the waste are provided, being wide enough to substantially cover the whole extension of port. An operating lever for collection apparatus is provided to drive a displacement which causes the unloading of the waste collected thereon after each use, and the subsequent return in a collecting position for a further use. The collection apparatus is removably connected to tank, to clear port when the emptying and cleaning of said tank have to be carried out.

Abstract: A potty chair resembling a miniature toilet uses features of appearance and a handle for producing a simulated flushing sound, to attract a toddler, familiarize her/him with the device and remove barriers to its usage. A dual phase reward system including a displayable trophy and a storage cubby hole for prizes such as candy, stickers, and toys, encourage the child to use the device and accelerate the completion of potty training.

Abstract: A bed for patient care having a waste disposal system. The bed includes a back, seat and two leg sections for supporting the patient. These sections of the bed may be raised and lowered and tilted. The leg sections may be moved independently for use with patients having one leg immobilized. The seat section includes two panels which part to permit a waste canister to be raised to interface with the buttocks of the patient. An audible signal alerts the patient prior to this action. The waste canister provides a directable bidet wash, and an air drying feature. Gelling material within the canister swells during the bidet function to cover and seal the waste. The entire canister may be sealed and disposed of.

Abstract: An aerobic digestion toilet having a toilet bowl supported to discharge into a chamber with means for inducing a convection air flow through the toilet and a tiltable closure member for the toilet bowl outlet operable from adjacent the toilet seat and biased towards the closed position of the toilet bowl outlet and including means for moving deposited feces within the chamber operable in unison with the closure member designed in such a manner as to produce early separation of urine from the faeces.

Abstract: A process and apparatus to implement the process for the disposal of toilet waste in a relatively small space with low input energy. The process to include the following operations: separating the liquid portion from the solid portion of the toilet waste, disposing of the liquid portion of the waste by drainage, forming a mixture by combining the solid portion of the waste with a quantity of flammable material having structural properties that retain air passages within the mixture, storing the mixture in a chamber, and burning the mixture within the chamber.

Abstract: A toilet riser, for use in restroom buildings, has a generally tubular shape and a hollow, double-walled construction. Liquid-tight walls define an empty chamber. The riser is formed from cross-linked polyethylene in a multi-part mold having smooth cavity surfaces so that all external surfaces of the riser are smooth and easy to clean.

Abstract: A dry toilet uses a substantially continuous sheet of disposable bowl lining material to convey the toilet waste out of the toilet bowl for disposal. The sheet is supplied folded on a roll and is transported by a conveyance apparatus concealed within the rim of the toilet bowl.

Abstract: A urinal of transparent or translucent plastic material that can endure a sterilization temperature of 130.degree. C., with a detachable anti-backflow element having an interior end located at the volumetric center of the urinal. The urinal also includes a normal fill level indicator, such as a groove in the side of the urinal, and a conduit and cap located above the normal fill level of the urinal. The anti-backflow device, normal fill level, and conduit and cap combine to prevent spillage form the urinal at any angle of tilt so long as the contents of the urinal remain at or below the normal filling level. In addition, emptying of the contents is facilitated by virtue of the conduit and cap location above the normal fill level. The urinal also includes other features, such as an internal odor tablet holding device, unique coloring and phosphorescent features for selected elements of the urinal, a specially designed cradle for holding or hanging the urinal, and either a fixed or attachable handle.

Abstract: A portable shower and toilet assembly includes a support structure having substantially square upper and lower horizontal tubular frame components which are connected with vertical tubular side supports. The upper frame member has a cross member in fluid communication therewith with a shower head downwardly depending therefrom. An external water source may be coupled with an aperture on the upper frame component to dispense water through the shower head. A toilet seat and lid are hingedly attached to a side wall structure. The support structure is completely enclosable with a removably attached tarpaulin cover member.

Abstract: A dry type toilet system which includes a toilet bowl, the toilet bowl having a hinged clamping ring adapted for clamping on a rim thereof to hold a poly bag therein in an open status for collecting waste matter discharged from a person sitting on the toilet bowl, permitting used poly bag with collected waste matter to fall out of the toilet bowl through a bottom passage way in the toilet bowl, a crushing and separating unit controlled to crush waste poly bag with collected waste matter and to separate wastewater from solid waste matter, a filter tank adapted to filter waste water delivered from the crushing and separating unit, and a storage unit adapted to collect and dry solid waste matter delivered from the crushing and separating unit.

Abstract: A portable kitchen, toilet and shower unit includes a sink bowl (6), a sink tap (8) for the sink bowl, a work top (10), at least one cupboard (12,16) positioned beneath the sink bowl and the work top, at least one water container (18,20) in the cupboard, a portable chemical toilet, first conduit device (22) connecting the water container to the sink tap, a shower hose (24), shower head (26) and a stored shower enclosure (40) to attach to a rear door (46) of the vehicle, second conduit device (28) connecting the water container to the shower hose, and an electrically-operated pump (32) for pumping water from the container to the sink tap and the shower hose.

Abstract: A bed for patient care having a waste disposal system. The bed includes a back, seat and two leg sections for supporting the patient. These sections of the bed may be raised and lowered and tilted. The leg sections may be moved independently for use with patients having one leg immobilized. The seat section includes two panels which part to permit a waste canister to be raised to interface with the buttocks of the patient. An audible signal alerts the patient prior to this action. The waste canister provides a directable bidet wash, and an air drying feature. Gelling material within the canister swells during the bidet function to cover and seal the waste. The entire canister may be sealed and disposed of.

Abstract: A waste decomposition system, having a container and an air circulation system integrated into the container. The air circulation system has a positive air pressure source; and a negative air pressure source. Also a method for decomposition of liquid and solid organic waste, including the steps of: (a) providing a container for collecting the waste; (b) forcing air through the waste with a positive air pressure source; (c) withdrawing air from the container with a negative air pressure source.

Abstract: A unitary lavatory seat assembly including a seat adapted for sitting thereon for lavatory purposes, the seat including a non-pivoting extension which extends from a forward portion of the seat, and a base pivotally attached to the seat along a pivot axis and arrangeable therewith in a first and a second orientation, wherein in the first orientation, the seat is supported by the extension and at least partially supported by a portion of the base at a rearward portion of the seat, the base being swung about the pivot axis to be positioned underneath the seat, and in the second orientation, the seat is placeable on a portion of a lavatory bowl and the base is swung about the pivot axis to be positioned forward of the extension, the base being adapted for stepping thereon, thereby to aid a user to climb and sit on the seat.

Abstract: A potty training chair aid including a training potty including a waste receiving compartment housing having a top opening, a pivotal potty seat, and a potty lid pivotally connected to the training potty with a second pivoting hinge in a manner to be pivotal over the potty seat; a back support extending upwardly from the compartment housing; a pivoting child restraint assembly including an activity tray supported on two lockable support arms, the activity tray including a tray surface having a first plurality of geometric depressions formed therein; a second plurality of geometrically shaped activity blocks; and a cassette tape player mounted within one of the lockable support arms, the cassette tape player having control buttons extending from the support arm at a location accessible to a child seated on the potty seat.

Abstract: A portable-type simplified toilet comprises a foldable main body of a cylinder shape formed by butting end-to-end portions of a corrugated board cut in a band-like shape and then adhering the butted ends to each other in an overlapped state, the main body having engaging window holes bored in lower portions of a peripheral wall of the main body so as to be positioned at equal distances from an imaginary line in the longitudinal direction of the main body, and a bottom board separately made of a corrugated board and having a fold line extending in the longitudinal direction and engaging projection pieces projecting from the peripheral edge so as to be positioned at equal distances from the fold line, the engaging projection pieces being inserted into the engaging window holes.

Abstract: A portable sink is particularly adapted for use in a portable toilet and includes a cabinet in which a conventional five gallon bottle of water can be retained. The sink is designed to drain into the portable toilet, and a supply of deodorizing soap operates to both clean a user's hands and deodorize the entire portable toilet assembly. Suction cups are provided on rear and bottom surfaces of the sink to facilitate its attachment to the plastic housing of the portable toilet, and adjustable brackets mounted on magnetic supports allow the brackets to be positioned to fit virtually any manufactured shape of water bottle.

Abstract: A portable, collapsible toilet made of a blank of foldable material and having a row of four side-by-side panels (10), (14), (16), (18) connected by three fold lines (48), (50), (52) to define front, rear and opposed side panels. A top panel 12 is secured to the rear panel (18) by a fold line (28) and includes an opening (20) that may be closed by an integral lid (22). When assembled in a rectangular configuration, a plastic bag (96) may be nested between the panels (10), (14), (16), (18) and the top panel (12) closed thereon.

Abstract: A multi-sided portable cabana that exhibits increased structural integrity and added dimensional qualities when compared to conventional cabanas, and that is also accessible to persons having physical disabilities. The cabana includes a generally flat, planar base and a plurality of interchangeable wall panels coupled to the base that extend generally perpendicularly upwardly from the base. A roof panel is affixed atop the plurality of wall panels. A door frame, including a door hingedly connected thereto, is positioned between two of the plurality of wall panels and includes a bottom edge generally co-planar with the flat base. Each of a plurality of wall connectors is positioned between adjacent wall panels in a lengthwise manner for coupling the adjacent wall panels.

Abstract: A portable and mobile toilet includes a case for removably placing a bowl therein, and four elongate walls and an upper cover collapsibly combined together. The case, the bowl and the upper cover have an outer layer and an inner layer to form an inner hollow cavity for a gas to fill therein when the toilet is to be combined together for use. The upper cover is placed on the four walls when in use, and is closed on the case when collapsed. The four walls are made of a flexible opaque material, able to be rolled up and stored in the case when collapsed. Ropes and nails are provided to secure the upper cover and the case stably to keep the toilet secured on the ground.