Collapsible portable structure

Abstract

A collapsible enclosure that can be selectively moved from a raised position to a lowered position such that when the enclosure is in the raised position it provides a privacy enclosure or for housing a temporary restroom facility. When the enclosure is in the lowered position, it is easily stackable for transportation and storage. The new enclosure is entirely self-contained with no loose pieces or part that need to be assembled. The installation can be performed by a single individual with a minimal number of tools, or possibly no tools at all. The collapsible enclosure includes a top section that has a roof, a top wall member, and a top door panel, a middle section that has a middle wall member and a middle door panel, and a bottom section that has a base, a bottom wall member, and a bottom door panel. The middle section is telescopically movable with respect to the top section, and the bottom section is telescopically movable with respect to the middle section such that when the enclosure is are moved down to the lowered position, the sections collapse down onto each other in a nesting fashion. Also, the door panels are slidably coupled to each other such that the door panels are telescopically movable with respect to each other. The enclosure can further include a waste tank, a urinal, and a vent stack to provide a temporary restroom facility.

1 . A collapsible enclosure comprising:
 a top section including a roof, a top wall member, and a top door panel;   a middle section including a middle wall member and a middle door panel, the middle section telescopically movable with respect to the top section; and   a bottom section including a base, a bottom wall member, and a bottom door panel, the bottom section telescopically movable with respect to the middle section,
 wherein the top door panel is slidably coupled to the middle door panel, and the middle door panel is slidably coupled to the bottom door panel forming a door assembly, such that the door panels are telescopically movable with respect to each other. 
   
   
   
       2 . The collapsible enclosure of  claim 1 , further comprising at least one support post. 
   
   
       3 . The collapsible enclosure of  claim 2 , further comprising at least one corner shelf slidably coupled to the support post. 
   
   
       4 . The collapsible enclosure of  claim 2 , wherein the at least one support post further comprises a spring. 
   
   
       5 . The collapsible enclosure of  claim 2 , wherein the at least one support post further comprises a hydraulic piston. 
   
   
       6 . The collapsible enclosure of  claim 1 , wherein the bottom section further comprises a waste tank, the waste tank including an opening. 
   
   
       7 . The collapsible enclosure of  claim 6 , wherein the waste tank further comprises a toilet seat aligned with the opening in the waste tank. 
   
   
       8 . The collapsible enclosure of  claim 6 , further comprising a urinal assembly fluidly coupled to the waste tank. 
   
   
       9 . The collapsible enclosure of  claim 8 , wherein the urinal assembly is pivotally attached to waste tank. 
   
   
       10 . The collapsible enclosure of  claim 6 , further comprising a vent stack fluidly coupled to the waste tank. 
   
   
       11 . The collapsible enclosure of  claim 1 , wherein at least a portion of the roof is translucent to permit the illumination of an interior of the enclosure. 
   
   
       12 . The collapsible enclosure of  claim 1 , wherein the roof further comprises a channel to receive the base of another collapsible enclosure to allow the stacking of multiple enclosures on top of each other. 
   
   
       13 . A collapsible enclosure comprising:
 a top section including a roof, a top wall member, and a top door panel;   a middle section including a middle wall member and a middle door panel, the middle section telescopically movable with respect to the top section; and   a bottom section including a base, a bottom wall member, and a bottom door panel, the bottom section telescopically movable with respect to the middle section,
 wherein the top door panel is slidably coupled to the middle door panel, and the middle door panel is slidably coupled to the bottom door panel forming a door assembly, such that the door panels are telescopically movable with respect to each other, and 
 wherein the enclosure has a raised position such that the top section, middle section, and bottom section are telescopically extended from each other and a lowered position such that the top section, middle section, and bottom section are collapsed down onto each other in a nesting fashion. 
   
   
   
       14 . The collapsible enclosure of  claim 13 , further comprising at least one support post, the support post including a locking mechanism to secure the enclosure in the raised position. 
   
   
       15 . The collapsible enclosure of  claim 14 , further comprising at least one corner shelf slidably coupled to the support post and capable of being selectively attached to any one of the wall members to increase rigidity of the enclosure. 
   
   
       16 . The collapsible enclosure of  claim 13 , further comprising at least one support post, the support post including a spring to assist in raising or lowering the enclosure. 
   
   
       17 . The collapsible enclosure of  claim 13 , further comprising at least one support post, the support post including a hydraulic piston to assist in raising or lowering the enclosure. 
   
   
       18 . A collapsible enclosure comprising:
 a top section including a roof, a top wall member, and a top door panel;   a middle section including a middle wall member and a middle door panel, the middle section telescopically movable with respect to the top section;   a bottom section including a base, a bottom wall member, and a bottom door panel, the bottom section telescopically movable with respect to the middle section;   a support post attached to the roof and the base, and at least one corner shelf slidably coupled to the support post, and   a toilet facility including a waste tank with an opening and a urinal assembly fluidly coupled to the waste tank,
 wherein the top door panel is slidably coupled to the middle door panel, and the middle door panel is slidably coupled to the bottom door panel forming a door assembly, such that the door panels are telescopically movable with respect to each other. 
   
   
   
       19 . The collapsible enclosure of  claim 18 , wherein the support post further comprises a snap button. 
   
   
       20 . The collapsible enclosure of  claim 18 , wherein the support post includes a spring to assist in raising or lowering the enclosure. 
   
   
       21 . The collapsible enclosure of  claim 18 , wherein the support post includes a hydraulic piston to assist in raising or lowering the enclosure. 
   
   
       22 . The collapsible enclosure of  claim 18 , wherein the urinal assembly is pivotally attached to the waste tank. 
   
   
       23 . The collapsible enclosure of  claim 18 , further comprising a vent stack fluidly coupled to the waste tank. 
   
   
       24 . The collapsible enclosure of  claim 18 , wherein at least a portion of the roof is translucent to permit the illumination of an interior of the enclosure. 
   
   
       25 . The collapsible enclosure of  claim 18 , wherein the door assembly further comprises a lock to secure the door assembly in a closed position from an interior of the enclosure.