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특허 상세정보

Shock-absorbing wheel assemblies for luggage bag

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62D-021/11   
미국특허분류(USC) 280/037; 280/DIG.003; 190/018.A; 016/044
출원번호 US-0694670 (2003-10-27)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Schacht Michael R.
인용정보 피인용 횟수 : 33  인용 특허 : 18
초록

Methods and wheel assemblies for supporting a bag that is tilted and pulled along a surface. A wheel housing, a strut member, a spring member, and a wheel member are provided. The wheel housing is rigidly attached to a bottom edge of the bag. The strut member is mounted within the housing for movement between first and second positions. The spring member is arranged between the wheel housing and the strut member to oppose movement of the strut member from the first position to the second position. The wheel member is rotatably attached to the strut membe...

대표
청구항

1. A wheel assembly for supporting a bag that is tilted and pulled along a surface with a bottom edge of the bag adjacent to the surface, the wheel assembly comprising:a wheel housing adapted to be rigidly attached to the bottom edge of the bag;a strut member arranged within the housing for movement between first and second positions, where the strut member defines a longitudinal axis and comprisesfirst and second elongate pivot flanges,a spring plate that spaces the first and second pivot flanges from each other such that the pivot flanges are spaced fr...

이 특허에 인용된 특허 (18)

  1. King William L. ; Crumrine David. Automatically extendable and retractable wheel assembly for luggage. USP1998065758752.
  2. Tsai Wang Mei-Li,TWX. Baggage caster. USP1998075778488.
  3. Hollingsworth Dale (742 Ridgefield Rd. Wilton CT 06897). Carrying case for laptop computer. USP1993065217119.
  4. Bai Yang-Fong (1F ; 125-6 ; Sec. 1 ; San Min Rd. Taichung TWX). Concealable caster of baggage. USP1996075533231.
  5. Fu-Jung Chang TW. Controlling device for retractable wheels of a luggage barrow. USP2002036360400.
  6. Hendrickson Richard T. (South Bend IN). Hitch for a trailer. USP1979094168082.
  7. Andrisin ; III John J. (Middleburg Hts. OH) Wiatrak Thomas (Brunswick OH) Lauro C. William (Akron OH). Hub and wheel assembly with shock absorber. USP1992045103530.
  8. Craig J. Guttmann CA; Sean Guttmann CA; Peter DePinto CA; Csaba Lemak CA. Load indicating spring caster. USP2002116484359.
  9. Chang Yuan-Chi,TWX. Luggage case structure with retrievable handle and wheels. USP1998095813503.
  10. Wang Tung Lung,TWX. Retractable wheel device for suitcase. USP2001096289554.
  11. Fu-Jung Chang TW. Retractable wheel for a built-in luggage cart. USP2002046367602.
  12. Thomas Wagner DE. Roller arrangement for wheeled luggage. USP2002116478316.
  13. Hager Clarence H. (3408 Corbridge La. Rockford IL 61107). Shock absorbing caster wheel suspension with frictional vertical oscillation dampening. USP1987084685174.
  14. Liang Sung-Ming,TWX. Supporting device for a wheeled suitcase. USP2000076082510.
  15. Liang Sung-Ming,TWX. Supporting device for a wheeled suitcase. USP1999025873439.
  16. Mueller Christoph (Kleiner Muristalden 28 CH-3006 Bern CHX). Unitary resilient bearing support. USP1985064524482.
  17. Chou Cheng-Tasn,TWX. Wheel assembly. USP1999025873145.
  18. Wen-Chen Chang TW. Wheel device. USP2002056382736.

이 특허를 인용한 특허 피인용횟수: 33

  1. Liu, Julian. Brake assembly for a height-adjustable walker apparatus. USP20180810053062.
  2. Pelo, Rich. Carrying systems and methods for delicate items. USP2009067549535.
  3. Brown,Deborah. Convertible luggage device. USP2006057051853.
  4. Liu, Julian. Foldable walker apparatus. USP2016049320672.
  5. Liu, Julian. Foldable walker apparatus. USP2015119192541.
  6. Liu, Julian. Foldable walker apparatus. USP2015059022413.
  7. Liu, Julian. Foldable walker apparatus. USP2013088517399.
  8. Liu, Julian. Foldable walker apparatus. USP2013088505936.
  9. Liu, Julian. Foldable walker apparatus. USP2016089415635.
  10. Liu, Julian. Foldable walker apparatus. USP2014108864151.
  11. Liu, Julian. Foldable walker apparatus. USP2013118573613.
  12. Liu, Julian. Foldable walker apparatus. USP2015018936256.
  13. Liu, Julian. Foldable walker apparatus. USP2013128602424.
  14. Barenbrug, Machiel Gerardus Theodorus Marie; Spoek, Erik Geert; Den Boer, Jacob Geert Arie; Van Zijl, Marc Constantijn. Luggage assembly and a frame. USP20181110130150.
  15. Den Boer, Jacob Geert Arie; Ten Horn, Vincent Bernardus Hubertus; McMillan, David; Barenbrug, Machiel Gerardus Theodorus Marie. Luggage item, a luggage item system, a luggage item adaptor. USP2018029888752.
  16. Kuo, Chung-Hsien. Mechanism for limiting casters to move forwardly while towing luggage obliquely. USP2005116961976.
  17. Chen, Kung-Cheng; Huang, Lung-Chuan. Mobile cart. USP2015079079595.
  18. Udall, Laura Elizabeth; Udall, Nicholas V.. Mobile storage unit. USP2015129215915.
  19. Udall, Laura Elizabeth; Udall, Nicholas V.. Mobile storage unit. USP2018039913516.
  20. Udall, Laura Elizabeth; Udall, Nicholas V.. Mobile storage unit. USP2014028646785.
  21. Udall, Laura Elizabeth; Udall, Nicholas V.. Mobile storage unit. USP2014118888111.
  22. Kinnee, Bruce. Mobile storage unit with a retractable wheel mechanism. USP2015018936257.
  23. Arthur, Joseph I.; Bacs, Jr., Aron. Retractable wheel assembly. USP2014068757643.
  24. Arthur, Joseph I.; Bacs, Jr., Aron. Retractable wheel assembly. USP2014068757642.
  25. Liu, Julian. Set of seat cushions. USP201809D828701.
  26. Bieber, David. Soft sided luggage case with independent wheel hub. USP2011077984797.
  27. Schenk, Charles; Freshour, II, Michael. Suspension caster with brake lever and wheel fork and yoke portion having common pivot axis. USP20181110118440.
  28. Dayton,Douglas C.; Altmann,Florian. Suspensions for wheeled transport devices. USP2009037500680.
  29. Lin,Jer Hong; Lau,Boon Hwa. Vibration-proof wheels for wheeled luggage. USP2007037195322.
  30. Liu, Julian; Cinguino, Nicolas. Walker apparatus and backrest therefor. USP2017089744094.
  31. Liu, Julian; Cinguino, Nicolas. Walker apparatus and backrest therefor. USP2016059339432.
  32. Gregory, David G.. Wheeled luggage usable as a seat. USP2010097798499.
  33. Moskowitz, Max; Katz, Dov; Katz, Bezalel. Wheeled suitcase with auxiliary wheels on legs and undercarriage therefor. USP2017049615638.