Portable collapsible toilet seat

Claim 1

A portable toilet seat for use in wilderness areas, comprising a toilet seat member having an undersurface, and an upper surface adapted to engage a human body in a seated position, said upper surface having a rear edge, two outer side edges extending from the rear edge, a front edge, and an inner arcuate edge extending within the space circumscribed by the rear edge and two outer side edges; a tree clamp mean extending from the rear edge of the toilet seat member; and a foldable leg structure having pivotable connections to the undersurface of said seat member; said tree clamp means comprising a flexible strap means having opposite ends thereof anchored to the seat member at laterally spaced points; said flexible strap means having a buckle structure for separating the strap means so that the strap means can be extended around a tree trunk; said flexible strap means having a manually-operated tensioner means for causing the strap means to grip the tree surface so as to support the rear portion of the toilet seat member above the ground surface; said leg structure comprising a U-shaped member that includes two elongated parallel support bars pivotably connected to the seat member at laterally spaced points near the seat member front edge, and a transverse foot bar extending between said parallel bars, said U-shaped member being swingable between a collapsed position extending along the undersurface of the seat member, and a support position extending downwardly from the seat member.