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특허 상세정보

Winch and improved sheave

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B66D-001/00   
미국특허분류(USC) 254/333 ; 254/371
출원번호 US-0719636 (1996-09-25)
발명자 / 주소
대리인 / 주소
    Ryan, Maki, Mann & Hohenfeldt
인용정보 피인용 횟수 : 19  인용 특허 : 0
초록

A sheave for advancing a rope by application to said sheave of rotational forces includes a central hub with opposed sheave surfaces each of the opposed surfaces being provided with alternating projections and valleys. The projections of the first one of the surfaces being aligned with a valley of the opposed second surface, each of the projections having a generally flat outer surface which is provided with rounded edges, the valleys being tapered in width toward the hub of the sheave and having a generally flat floor surface, the center of each the val...

대표
청구항

[ What is claimed is:] [1.] A sheave for advancing a rope looped around said sheave by application to said sheave of rotational forces comprisinga central hub and opposed, facing first and second surfaces radially outwardly extending from said hub to an outer perimeter,each of said opposed surfaces being provided with alternating primary ridges and valleys extending from said hub to said outer perimeter, the primary ridges of said first one of said surfaces being aligned with a valley of the opposed second surface,said valleys being tapered in width towa...

이 특허를 인용한 특허 피인용횟수: 19

  1. Yang, Ming-Shun. Fast looping-up and releasing rope loop assembly. USP2010117823259.
  2. Damgaard, Jocelyn Charis; Roberts, Steven D.; Dale, Timothy; Monahan, Richard W.; Pimenta, David C.. Flexible seal for gas turbine engine system. USP2013068459936.
  3. Slemker, Tracy C.; Schall, Scott R.; Firth, David G.; Steinbarger, Steven. Lanyard suspension system for a prosthetic limb. USP2011118057551.
  4. Boulliat, Claude. Portable power driven system comprising a rope grab arrangement. USP20180710023445.
  5. Huang,Han Ching. Pulley. USP2008117445195.
  6. Anderson, Robert L.. Ratchet pulley device for tightening cords or ropes. USP2009057537199.
  7. Skyba Helmut K.. Ratchet pulley for tightening cords or ropes. USP2000116149133.
  8. Antonini, Deno. Ratchet tie down device with integral security lock. USP2004036698723.
  9. Kingery Gerald M.. Ratchet with journaled spool. USP2000076092791.
  10. Madland, Erik. Retractable bungee cord tie down. USP2009087575224.
  11. Arbogast, Robert E.; Capper, James W.; Colvin, James M.. System and method for securing a prosthetic limb. USP2004096797008.
  12. Jackson, Stephen D.. Tensioning assembly. USP2009077562862.
  13. Kingery, Kenneth G.. Tensioning assembly. USP2016039272886.
  14. Fontaine, Norston; Maire, Paul R.. Tie down tensioning device. USP2012038141212.
  15. Fontaine,Norston; Maire,Paul. Tie down tensioning device. USP2008097428769.
  16. Fontaine,Norston; Maire,Paul. Tie down tensioning device. USP200807D572099.
  17. Mullikin, James. Watercraft securement device. USP20190310227109.
  18. Bysiewicz, Katherine S.. Wheelbarrow sled system. USP2015028950758.
  19. Skyba, Helmut K.. Winch. USP2015109150392.