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특허 상세정보

Collapsible play structures

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E04H-015/40   
미국특허분류(USC) 135/126; 135/128; 135/144; 135/117; 446/478; 220/009.2
출원번호 US-0438679 (2003-05-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Raymond Sun
인용정보 피인용 횟수 : 6  인용 특허 : 21
초록

A collapsible play structure comprises one or more play modules connected together, each play module comprising at least three foldable frame members, each having a folded and an unfolded orientation. A fabric material substantially covers each frame member to form a side panel for each frame member when the frame member is in the unfolded orientation. Each side panel further comprises at least three sides. The left side of each side panel is connected and hinged to the right side of an adjacent side panel, and the right side of each side panel is connec...

대표
청구항

1. A collapsible structure, comprising:at least three foldable frame members, each having a folded and an unfolded orientation, each frame member arranged between and connected to a pair of said adjacent frame members;wherein each frame member defines a flat panel in its unfolded orientation;wherein the frame members, when fully deployed, form a ring of flat panels that enclose an interior space;and wherein at least one of the frame members is twisted and folded to form a plurality of concentric rings in the folded orientation. 2. The structure of claim ...

이 특허에 인용된 특허 (21)

  1. Marks George R. (Richmond CA). Arch supported tent. USP1979084165757.
  2. Pickett William H. (4028 N. Ocean Dr. Hollywood FL 33019). Barrier structure. USP1992085134815.
  3. Chang Kuo-Hsiang (5th Floor ; No. 4 ; Lane 281 ; Lung Chiang Road Taipei TWX). Collapsible lamp-shade structure. USP1988034731716.
  4. Brady David S. (807 Casa Blanca Fullerton CA 92632). Collapsible tent structure. USP1992085137044.
  5. Kurzen Aaron (Box 3233 Stony Creek CT 06405). Construction panel system. USP1987014635411.
  6. Angress Percy G. (481 Gayley Ave. #111 Los Angeles CA 90024). Foldable portable shelter. USP1979014133149.
  7. Mattick Michael J. (Charlotte NC). Inflatable tent structure. USP1989104876829.
  8. Norman Lowell R. (Montrose CA). Instantly stable, quickly erectable and quickly collapsible portable structure. USP1989054825892.
  9. Freedman Calvin (4719 Vanalden Ave. Tarzana CA 91356). Modular connectors for cylindrical elements. USP1979104170082.
  10. Walker June F. (3010 Anacapa Pl. Fullerton CA 92635). Playhouse with elements based on two modular units. USP1980074212130.
  11. Sparks Terry L. (14 Vittoria St. Laguna Niguel CA 92677). Portable beach cache. USP1991105054507.
  12. Norman Lowell R. (4902 Secor ; Apt. 20 Toledo OH 43623). Portable structure. USP1976063960161.
  13. Norman Lowell Robert (4902 Secor Road Toledo OH 43623). Portable structure. USP1976113990463.
  14. Norman Lowell R. (La Canada CA). Quickly erectable, quickly collapsible, self supporting portable structure. USP1991085038812.
  15. Ausnit Steven (124 E. 61st St. New York NY 10035). Separably connective flexible toy. USP1976103987580.
  16. Upton Garthop (1218 Montego Arroyo Grande CA 93420). Shaded lamp for reading and like purposes. USP1983074392190.
  17. Daugherty ; Charles R.. Temporary structure. USP1978024073105.
  18. Barker Joseph K. (Rte. 7 ; Box 111 Abingdon VA 24210). Tent. USP1981054265261.
  19. Hayashida John P. (Waterloo CAX) Bowman Roger P. (Waterloo CAX). Tent. USP1988014716918.
  20. Hilliard Sarah M. (6720 N. 44th Ave. ; Apt. 154 Phoenix AZ 85301). Tent system. USP1993065222513.
  21. Ritchey Michael T. (3657 W. Saragosa Chandler AZ 85266) Leavitt Bryce J. (1546 N. Arthur Pocatello ID 83204). Tent system. USP1995035394897.