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특허 상세정보

Protective roll guard for clearing obstacles from caster wheels

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60B-033/00   
미국특허분류(USC) 16/018CG
출원번호 US-0844574 (1997-04-18)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Christensen O'Connor Johnson & Kindness, PLLC
인용정보 피인용 횟수 : 33  인용 특허 : 10

A one-piece roll guard (10) having two half segments (12, 14) connected by an integral hinge (16) for protecting a caster (100) wheel by clearing obstacles away from its rolling path. The two segments of the roll guard (10) are closed and secured together around the caster wheel with a locking tab (18a) and matching locking slot (18b) integrally formed in the two segments. The roll guard is formed with a weighted lower lip (26) to improve stability by lowering the center of gravity of the roll guard (10).


[ The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:] [1.] A roll guard apparatus for use with a caster wheel to clear obstacles away from a rolling path of the caster wheel along a floor, the apparatus comprising:a first sleeve portion positionable to be supported on the floor and to partially encircle the caster wheel, the first sleeve portion having a first lock element integral with the first sleeve portion; anda second sleeve portion being positionable to be supported on the floor and to p...

이 특허를 인용한 특허 피인용횟수: 33

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  3. Pattengell Louis A.. Bed leg foot protector. USP200011D433321.
  4. Polevoy, Richard; Ryan, Howard Scott; Carlson, Paul Eric. Caster assembly for a bed frame member or furniture. USP2005026854160.
  5. Aubin, Philip A.. Caster toe guard. USP201807D823098.
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  13. Chase, John. Furniture-glide assembly. USP2010077757346.
  14. Chase, John. Furniture-glide assembly. USP2011108037574.
  15. Stone, Keith J.. Industrial caster guard. USP2015089108462.
  16. Tsai, Po-Chuan. Protective device for castor. USP2013048407854.
  17. Richard Polevoy ; Howard Scott Ryan ; Paul Eric Carlson. Protective guard for furniture leg. USP2002076418578.
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  23. King, George; Creelman, Joshua; Freeman, William. Split guide bushing for vertical pulverizers. USP2013048425116.
  24. Lovelady, Michael Wayne Joseph. Stabilizing chock assembly for caster wheel and associated method of use. USP20180710035499.
  25. Lee,Martin Kin Fei; Irwin,Patricia Chapman; Wang,Hsin Pang; Wang,Yu. Stator bar with exruded groundwall insulation. USP2006047026554.
  26. Belmonte, Olivier; Goga, Jean-Luc Christian Yvon. Turbomachine fan. USP2012048162616.
  27. Shiffler, John W.; Rickard, William C.. Two piece snap-fit cap or glide. USP2010087770853.
  28. Kobayashi, Takeshi; Shiina, Hiromitsu; Kumasaka, Tsuyoshi. Vehicles, net assemblies, and clampers therefor. USP2014058714591.
  29. O'Brien, Graig Thomas; Kimball, Jon. Wheel alignment guide for medical equipment and method of use. USP20180710034642.
  30. Soliman, Alaaeldin. Wheel cover assembly. USP2017069669655.
  31. Dubas, Bryan D.. Wheel guard. USP2017079701269.
  32. Dubas, Bryan D.. Wheel guard. USP2017029566926.
  33. Winters, Gary L; Miller, John L.. Wheel protection system. USP2004016678917.