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특허 상세정보

Chassis with retractable wheels

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00   
미국특허분류(USC) 280/037; 280/035
출원번호 US-0326824 (2008-12-02)
등록번호 US7997591 (2011-08-03)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Webb IP Law Group
인용정보 피인용 횟수 : 11  인용 특허 : 24

There is a chassis with retractable wheels, wherein the chassis includes a housing. The chassis may also include a chassis sled slidably disposed within the housing. In addition, the chassis may include a pair of lever arms, each said lever arm being disposed in the lower portion of the housing. Furthermore, the chassis includes a pair of mounting wheels, a fender configured to cover the wheels openings in a retracted position, and a web joining the fender to the wheel lever, and having a second end. The chassis with retractable wheels includes a chassis...


What is claimed is: 1. A chassis with retractable wheels, comprising:a) a housing defining a hollow interior and having a lower portion having a pair of wheel openings formed therethrough;b) a chassis sled slidably disposed within the housing;c) a pair of lever arms, each said lever arm being disposed in the lower portion of the housing, each of said lever arms having a first end pivotally attached to said chassis sled, and having a second end;d) a pair of mounting wheels, each said mounting wheel having a lower wheel, a fender configured to cover the wh...

이 특허에 인용된 특허 (24)

  1. Chen Shou-Mao (58 ; Ma Yuan West St. Taichung TWX). Adjustable handle assembly for push cart. USP1996055513873.
  2. Miyoshi,Etsuo. Bag mounted with casters. USP2007017165661.
  3. Hedaya, Maurice. Bag stuffer. USP2003046550967.
  4. Marchwiak Zbigniew (Chicago IL) Brugioni Silvano (Chicago IL). Carrying case with built-in cart. USP199504D357354.
  5. Rekuc Richard J. (Pattenburg NJ) O\Shea James (Annandale NJ). Combined rollable case and carrier. USP1995075431262.
  6. Bai Yang-Fong (1F ; 125-6 ; Sec. 1 ; San Min Rd. Taichung TWX). Concealable caster of baggage. USP1996075533231.
  7. Fu-Jung Chang TW. Controlling device for retractable wheels of a luggage barrow. USP2002036360400.
  8. Chen Tzu L. (No. 26-2 ; Lane 96 ; Hsin Lung Rd. ; Section 2 Taipei TWX). Device for towing luggage. USP1986054588055.
  9. Hauser Stephen G. (4133 Aleman Dr. Tarzana CA 91356). Luggage bag with collapsible inner frame and wheels. USP1994045303805.
  10. Knowles Harford E. (2718 Jackson St. Hollywood FL 33020). Luggage case. USP1981034254850.
  11. Chang Yuan-Chi,TWX. Luggage case structure with retrievable handle and wheels. USP1998095813503.
  12. Nykoluk, Cory O.; Nordstrom, Mark B.; O'Shea, Jr., James Edward. Method of and device for extending and retracting the wheels of a piece of towable baggage. USP2003096612411.
  13. Wang King-Sheng (No.569 ; Ching Kuo Road Ta Chia Chien ; Taichung Hsien TWX). Retractable handle and wheel assembly for travel bags. USP1996065524737.
  14. O'Shea,Timothy J. C.. Retractable wheel assembly for a carrier. USP2006067066311.
  15. Wang Tung Lung,TWX. Retractable wheel device for suitcase. USP2001096289554.
  16. Fu-Jung Chang TW. Retractable wheel for a built-in luggage cart. USP2002046367602.
  17. Gorga, Aaron; Cicenas, Chris W.; Lehman, Joseph M.. Retractable wheel system for towable baggage. USP2011017861834.
  18. Wu, Yi-Ming. Roller device of luggage case. USP2003086604615.
  19. Wu,Yi Ming. Transporting wheel structure of storage or luggage container. USP2007077237660.
  20. Lin Shin-Fu Eiken,TWX. Travel bag construction. USP2001046220412.
  21. Chieh-Chiung Chen TW. Wheel rack improvement of a trolley suitcase. USP2002096454065.
  22. Saggese Laura ; Knapp John F.. Wheelable backpack. USP2001016179176.
  23. Sadow Bernard D. (Chappaqua NY). Wheeled carry-on case. USP1996105564538.
  24. Huang En-Liung (1280 Price St. Pomona CA 91767). Wheeled carrying case. USP199306D336365.