referring generally now to fig1 - 18 a portable cleaning unit is shown and generally designated by the numeral 10 . the unit 10 includes a base 12 , collapsible frame 14 , top 16 , and shower curtain 56 . additionally , a water dispersion system 17 is used to carry water into the top 16 , or cap 16 , for dispersing water within the unit 10 for cleaning . a water removal system 20 is used to collect and disperse used water from the unit . the base 12 includes a perimeter 11 and a water removal system 20 . the water removal system 20 has an exit opening 42 , which can be described as a drain 42 , and at least one exit water path 22 . the top 16 , which can also be described as a cap 16 , includes a perimeter 15 and a water dispersing system 17 . the water dispersing system 17 includes a dispersing device 54 , which can be described as a shower head 54 , and at least one entrance water path 18 , which can be described as a supply water path 18 . a shower curtain 56 is operatively attached to the top 16 and a collapsible frame 14 is fixed to both the base 12 and the top 16 . the frame 14 includes a plurality of stanchions 24 wherein each stanchion 24 includes at least one rotational location 26 wherein the rotational location 26 is positioned to contain the frame 14 within the perimeter 11 of the base 12 and the perimeter 15 of the top 16 when the unit is in a collapsed position or in an expanded position . preferably each stanchion 24 includes a base end 28 rotatively attached to the base 12 , a top end 29 , or a cap end 29 , rotatively attached to the top 16 , and a middle joint 30 , which can be described as an intermediate rotational location 30 . the middle joint 30 is configured to position the top end 29 proximate to the base end 28 when the unit 10 is in the collapsed position . the base end 28 , top end 29 , and middle joint 30 can be described as rotational locations 26 on the stanchions 24 that facilitate the expansion and collapsing of the unit 10 . the intermediate rotation locations 30 can include fastening locations 36 , or joint fastener 36 , used to secure the intermediate rotation locations 30 in a locked position to secure the stanchions 24 in an upright and locked position . the fastening locations 36 can include those locking devices known in the art but preferably include an aperture and pin configuration . in a preferred embodiment , the devices that comprise the attachment of the base end 28 to the base 12 , the top end 29 to the top 16 and the middle joint 30 are hinge joints that restrict movement of the stanchion 24 to which the base end 28 , top end 29 , and middle joint 30 are a part of to a plane . this can be best seen in fig2 , 13 , and 15 . the frame 14 can further include a first stanchion 61 , second stanchion 62 , third stanchion 63 and fourth stanchion 64 that extend from the base 12 to the top 16 . each of these stanchions 61 - 64 facilitate both of the suspended positioning of the top 16 relative to the base 12 when the unit 10 is in the expanded position and include the rotational locations 26 to facilitate the collapsed position of the unit 10 when not in use . additionally , a first fixed support bar 66 can be positioned between the first and second stanchions 61 - 62 and a second fixed support bar 68 can be fixed between the third stanchion and fourth stanchion 63 - 64 . as best seen in fig3 , a first rotatable support bar 32 can be removeably attached to one or more of the stanchions to establish the non - entry side to the unit 10 . this rotatable support rod 32 preferably is removeably attached to the second stanchion 62 and rotatively attached to the third stanchion 63 . this further facilitates horizontal support to the frame 14 and unit 10 . in another embodiment as best seen in fig1 - 13a , the support rod 32 has portions of the support rod 32 rotatively attached to at least two of the stanchions 24 . a support rod 32 can latch at ends 34 to secure the spatial relationship between the stanchions 24 once the frame 14 is in a fully assembled position . in this embodiment , ends 34 preferably include a slideable latch but can include other latching techniques known in the art . the frame could further include a second rotatable support bar 33 removeably attached to one of the stanchions 61 - 64 , while rotatively attached to the base 12 . in a preferred embodiment , this second rotatable support bar 33 is removeably attached to the second stanchion 62 . preferably , the frame 14 comprises aluminum , or galvanized or stainless steel materials . additionally , the frame could be created from pvc , wood or other rigid materials . the curtain 56 can attach to the frame 14 . more specifically , the curtain 56 preferably attaches to the frame 14 proximate the cap 16 . the curtain is designed to contain the water as it flows from the dispersion device 54 and provide privacy to a user of the unit 10 . the curtain 56 can be attached to the frame by conventional methods including rings , velcro , and the like . the curtain 56 preferably includes a see through section 57 that allows a user of the unit 10 to see through the curtain during use , as seen in fig4 . alternately , the curtain 56 can include a shortened height that stops short of the full length of the frame 14 , or leaves a viewing line of sight for a user of the unit 10 , as shown in fig1 . the curtain 56 preferably attaches to a portion of the frame 14 that is positioned within the top 16 and within the thickness 58 of the top 16 . the base 12 includes a collection cavity 40 , or pan 40 , positioned to face the top 16 . the pan 40 collects and directs the used water toward the exit opening 42 , or drain 42 , for the used water to pass from the unit 10 . the drain 42 allows used water to pass to at least one exit water path 22 . preferably , the exit water path 22 is a channel in the substantially planner bottom 13 of the base 12 wherein the channel extends from the drain 42 to the perimeter 11 of the base 12 . a water conduit , or drainage hose , can be attached to the drain 42 and positioned in the exit water path 22 to carry used water away from the location of the unit 10 . the base can include multiple exit water paths 22 extending different sides 46 of the base 12 . the base 12 includes at least three sides 46 positioned to engage the frame 14 . more specifically , the sides 46 include attachment locations 48 positioned to engage the rotational locations 26 positioned at the base end 28 of the stanchions 24 of the frame 14 . these attachment locations 48 can be positioned on a ledge or top surface 50 of the sides 46 . preferably the base 12 includes a front entry 52 having a dam to contain water within the base 12 . the front entry 52 also facilitates entry and egress from the unit 10 . the base 12 and more specifically the pan 40 has a preleveled nature . the base is preleveled such that the water flows on the collection cavity 40 towards the drain 42 to reduce the incident of standing water on the collection cavity 40 . preferably the base 12 is a gel coat structure reinforced with fiberglass . alternately , the base could be composed of acrylic , urethane , abs or other similarly malleable plastic materials . the base provides the foundation for the remainder of the unit 10 . the top 16 , or cap 16 , facilitates the dispersion of water within the unit 10 . preferably the cap 16 includes a water dispersion system 17 having a dispersion device 54 , or shower head 54 , positioned within the cap 16 to disperse said water . the cap 16 includes a thickness 58 and the dispersion device and the at least one entrance water path are preferably contained within that thickness 58 . a supply water path 18 provides water to the shower head 54 . the supply water path 18 is preferably one or more water inlet pipes operatively connected to the shower head 54 and includes connectors 21 design to interface with water supply lines 19 . in a preferred embodiment the supply water path include a “ y ” that allows multiple units 10 to be connect by a single water supple source . the supply water path includes connectors 21 and shutoff valves 38 to facilitate this connection . alternately , the “ y ” design can facilitate both hot and cold water connections to a single unit 10 . water can be supplied to the unit 10 in various manners . for example , a heating tank 80 can supply water . the heating tank 80 can include a pressurizing device 82 , such as a hand pump 82 , a water line 84 with a valve 86 that ends in a connector 88 that interfaces with connectors 21 in the supply water path 18 . a stand 90 can be used to facilitate heating of the water in the heating tank 80 . alternately , items such as a battery powered pump can connect to the supply water path 18 and provide water o the unit 10 . the cap 16 further includes an external shell 70 and ribs 72 positioned in the external shell 70 . the cap 16 is preferably created from abs vacuum formed materials but could be composed of other materials such as , acrylic , fiberglass reinforced gel coat material , or other similar malleable materials . once collapsed , a cap 16 can envelope the water dispersion system 17 , water removal system 20 , shower curtain 56 , and collapsible frame 14 , and pan 40 with the exception of the bottom of the base 12 . the cap 16 and base 12 can secure these item within their structure for protection and storage . the cap 16 can include at least one closure fastener 74 operative between the cap 16 and base 12 to secure the cap 16 to the base 12 when in the collapsed position . the cap 16 can include a handle 60 and that facilitates the movement of the collapsed unit 10 . preferably this movement can be accomplished by a single person who can position the unit 10 at a desired location for assembly . preferably this assembly can take place in minutes and most preferably within approximately a ten minute span . once assembled the unit 10 can provide the general vertical and horizontal space associated with cleaning units , such as showers that are permanently fixed in dwellings or facilities . this provides sufficient room to facilitate a comparable cleaning experience with dexterity and mobility allowances for the bather during use of the unit 10 that are comparable to permanent units . thus , although there have been described particular embodiments of the present invention of a new and useful mobile shower unit , it is not intended that such references be construed as limitations upon the scope of this invention . the above - described embodiments of the present invention are merely possible examples of implementations and are merely set forth for a clear understanding of the principles of the invention . many variations and modifications may be made to the above - described embodiment ( s ) of the invention without departing substantially from the spirit and principles of the invention . all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims .
a collapsible and portable cleaning unit . the unit is preferably designed to provide a private shower experience that is comparable to a shower experience for a permanent shower installed at a location , such as a bathroom in a dwelling . this inventive shower unit is designed to be fully portable in a self contained collapsed mode that is substantially contained within the overall footprint of the unit . the unit includes a substantial self supporting base structure and a cap that secures to the base structure to protect the internal components and seals for storage . this unit includes a supportive base that has a pan for directing and containing water from the shower . the unit is designed to provide height clearance that is substantially comparable to showers that are in permanent facilities and / or dwellings .