Collapsible shelter with elevated canopy

{
  "publication_number": "US6412507B1",
  "country": "US",
  "kind": "B1",
  "title": "Collapsible shelter with elevated canopy",
  "abstract": "The collapsible shelter includes a truss framework that provides an elevated, raised canopy that can be gabled or have a high peak in a raised, extended configuration. The canopy is supported by at least three legs, and outer perimeter and central truss pairs of link members pivotally connected in scissors configurations. The link members of the perimeter truss pairs are pivotally connected together in a scissors configuration so as to be extendable from a first collapsed position extending horizontally between adjacent legs to a second extended position extending above the legs, to elevate the canopy in a gabled or high peaked configuration. In a preferred embodiment, tensioning cables may also be secured between the legs and a central support connected to the central truss pairs, to provide additional strength and stability to the framework of the shelter in a raised, extended configuration.",
  "claims": [
    "1. A collapsible shelter framework for a canopy, comprising: a leg assembly including a plurality of legs having upper and lower ends; a perimeter truss linkage assembly including a plurality of truss pairs of link members connected together at a plurality of junctions in scissors fashion, said plurality of truss pairs of link members including a first pair of first and second link members, said first link member having an outer end connected to the upper end of one of said legs and an inner end pivotally connected to another truss pair of link members, and said second link member having an outer end slidably connected to said leg and an inner end pivotally connected to another truss pair of link members, said perimeter truss linkage assembly movable between a collapsed position and an extended position forming a plurality of perimeter peaks at a plurality of said junctions; and said leg assembly supporting said perimeter truss linkage assembly, and wherein said plurality of perimeter peaks at a plurality of said junctions extend above said leg assembly in said extended position.",
    "2. The collapsible shelter framework of claim 1, further comprising a leg slider assembly mounted to said leg assembly, said perimeter truss linkage assembly being pivotally connected to said leg slider assembly.",
    "3. The collapsible shelter of claim 1, wherein said perimeter truss linkage assembly and said leg assembly are four sided.",
    "4. The collapsible shelter of claim 1, wherein said perimeter truss linkage assembly and said leg assembly are three sided."
  ],
  "cpc": [
    "E04H 15/50"
  ],
  "filing_date": "2000-08-21",
  "publication_date": "2002-07-02",
  "grant_date": "2002-07-02",
  "priority_date": "1993-04-05",
  "application_number": "US-64313300-A",
  "family_id": "26719886",
  "citations": [
    "US3049785A",
    "US3090162A",
    "US3092932A",
    "US3204372A",
    "US3252469A",
    "US3376879A",
    "US4063566A",
    "US4078572A",
    "US5274980A",
    "US5490533A",
    "US5632292A",
    "US5813425A",
    "US5934301A",
    "US6041800A",
    "US6129102A",
    "US6192910B1",
    "WO9423162A1"
  ]
}