Oblique quadrilateral geometry for a simplified tent shelter

Abstract

A lightweight freestanding shelter for hikers that consists of an outer wall (or “canopy”) with a quadrilateral base shape, a pole set that extends to all four corner vertexes of the canopy base, and where the inner tent has a non-rectangular shape that is oblique to one or both of two opposing sides of the canopy base so as to create vestibules at one corner or two diagonally opposite corners of the canopy base.

What is claimed: 
     
         1 . A tent shelter comprising:
 a canopy having a canopy base;   a floor configured for ground laid placement in a predetermined position relative to the canopy for overhead coverage thereby in an erected state of said canopy; and   a pole set configured for cooperatively assembly with canopy to support same in said an erected state providing said overhead coverage of the floor;   wherein the canopy base shape is a quadrilateral of either a rectangle or isosceles trapezoid type with four corner vertexes in said erected state of the canopy, the pole set is configured to extend to all of said four corner vertexes of the canopy base when cooperatively assembled therewith, and the floor is a non-rectangular quadrilateral in shape and is configured to lie with at least one side thereof substantially oblique to a respectively neighbouring side of the canopy base in said predetermined position, so as to thereby leave at least one area unfloored as a vestibule at a corner vertex of the canopy base.   
     
     
         2 . The tent shelter of  claim 1 , wherein the pole set comprises a pair of arch poles configured to intersect at or near a peak of the canopy in the erected state thereof and collectively reach all of said four corner vertexes of the canopy base. 
     
     
         3 . The tent shelter of  claim 1 , wherein the pole set comprises a single arch pole with two forked ends and where each forked end is configured to reach a respective two of the four corner vertexes of the canopy base so that said two forked ends collectively reach all of said four corner vertexes of the canopy base. 
     
     
         4 . The tent shelter of  claim 1 , wherein the pole set comprises a pair of arch poles configured to intersect twice when cooperatively assembled with the canopy and to each reach a respective adjacent pair of said four corner vertexes of the canopy base, and thereby collectively reach all of said four corner vertexes of the canopy base. 
     
     
         5 . The tent shelter of  claim 1 , wherein the quadrilateral canopy base shape of either a rectangle or isosceles trapezoid type is a generally rectangular type, and the at least one side of the non-rectangular quadrilateral shaped floor that is substantially oblique to a respectively neighbouring side of the canopy base in said predetermined position includes two opposing sides of the floor thereof that are configured to lie respectively parallel to each other but respectively oblique to their said neighbouring sides of the canopy base, whereby said at least one area unfloored as a vestibule at a corner vertex of the canopy base comprises at least two equally sized areas unfloored as vestibules situated at diagonally opposing corner vertexes of the canopy base. 
     
     
         6 . The tent shelter of  claim 5 , wherein the pole set comprises a pair of arch poles configured to intersect at or near a peak of the canopy in the erected state thereof and collectively reach all of said four corner vertexes of the canopy base. 
     
     
         7 . The tent shelter of  claim 5 , wherein the pole set comprises a single arch pole with two forked ends and where each forked end is configured to reach a respective two of the four corner vertexes of the canopy base so that said two forked ends collectively reach all of said four corner vertexes of the canopy base. 
     
     
         8 . The tent shelter of  claim 5 , wherein the pole set comprises a pair of arch poles configured to intersect twice when cooperatively assembled with the canopy and to each reach a respective adjacent pair of said four corner vertexes of the canopy base, and thereby collectively reach all of said four corner vertexes of the canopy base. 
     
     
         9 . The tent shelter of  claim 1 , wherein the quadrilateral canopy base shape of either a rectangle or isosceles trapezoid type is a generally rectangular type, and the at least one side of the non-rectangular quadrilateral shaped floor that is substantially oblique to a respectively neighbouring side of the canopy base in said predetermined position includes one side of the floor thereof arranged to lie oblique relative to a neighbouring side of the canopy base while the opposing side of the floor is arranged generally parallel to its neighbouring side of the canopy base, whereby said at least one area unfloored as a vestibule at a corner vertex of the canopy base includes an unfloored vestibule area at one corner vertex of the canopy base without a matching unfloored vestibule area at the diagonally opposite corner of the canopy base. 
     
     
         10 . The tent shelter of  claim 9 , wherein the pole set comprises a pair of arch poles configured to intersect at or near a peak of the canopy in the erected state thereof and collectively reach all of said four corner vertexes of the canopy base. 
     
     
         11 . The tent shelter of  claim 9 , wherein the pole set comprises a single arch pole with two forked ends and where each forked end is configured to reach a respective two of the four corner vertexes of the canopy base so that said two forked ends collectively reach all of said four corner vertexes of the canopy base. 
     
     
         12 . The tent shelter of  claim 9 , wherein the pole set comprises a pair of arch poles configured to intersect twice when cooperatively assembled with the canopy and to each reach a respective adjacent pair of said four corner vertexes of the canopy base, and thereby collectively reach all of said four corner vertexes of the canopy base. 
     
     
         13 . The tent shelter of  claim 1 , wherein the quadrilateral canopy base shape of either a rectangle or isosceles trapezoid type is generally an isosceles trapezoid type, and the at least one side of the non-rectangular quadrilateral shaped floor that is substantially oblique to a respectively neighbouring side of the canopy base in said predetermined position includes one side of the floor thereof arranged to lie oblique relative to a neighbouring side of the canopy base while the opposing side of the floor is arranged generally parallel to its neighbouring side of the canopy base, whereby said at least one area unfloored as a vestibule at a corner vertex of the canopy base includes an unfloored vestibule area at one corner vertex of the canopy base without a matching unfloored vestibule area at the diagonally opposite corner of the canopy base. 
     
     
         14 . The tent shelter of  claim 13 , wherein the pole set comprises a pair of arch poles configured to intersect at or near a peak of the canopy in the erected state thereof and collectively reach all of said four corner vertexes of the canopy base. 
     
     
         15 . The tent shelter of  claim 13 , wherein the pole set comprises a single arch pole with two forked ends and where each forked end is configured to reach a respective two of the four corner vertexes of the canopy base so that said two forked ends collectively reach all of said four corner vertexes of the canopy base. 
     
     
         16 . The tent shelter of  claim 13 , wherein the pole set comprises a pair of arch poles configured to intersect twice when cooperatively assembled with the canopy and to each reach a respective adjacent pair of said four corner vertexes of the canopy base, and thereby collectively reach all of said four corner vertexes of the canopy base.