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특허 상세정보

Hand railing and method of manufacture

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E04H-017/14   
미국특허분류(USC) 256/59 ; 248/251 ; 16/111R
출원번호 US-0796382 (1991-11-22)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 31  인용 특허 : 0

A rigid hand railing is disclosed having a plurality of compound indentations formed in the underside thereof to facilitate gripping thereof by a human hand. A method of manufacture of such a hand railing is also disclosed wherein a tool having a plurality of individually movable forming punches to be driven into pre-formed tooling stock is used to form the indentations in one side of the tubing stock. Each forming punch is provided with a tip portion having a compound shape formed from two perpendicular oriented and oppositely disposed arcuate shapes. T...


A hand railing comprising a rigid, elongated body portion terminating in first and second spaced apart ends defining a longitudinal length of said body portion, each said end being adapted for attachment to a mounting connector, said body portion further having a first surface and a circumferentially opposed second surface, said second surface having a plurality of longitudinally spaced indentations to facilitate gripping thereof, said indentations being generally uniformly formed and spaced along the major portion of said longitudinal length and termina...

이 특허를 인용한 특허 피인용횟수: 31

  1. Hopf Steven L.. Dent removal tool handle. USP200106D443192.
  2. Christian, Conner Wayne; Christian, Corey Howard. Equipment holder for workers and safety, rescue and disaster crews. USP2016089421917.
  3. Schmitt Gervase G.. Formed metal boat steering wheel rim with finger grip indentations. USP200105D442129.
  4. Bauer, Alan M.; Gilbert, Christopher Jon; Stankovich, Julie A.. Grab bar. USP201006D618774.
  5. Berlovan,Viorel; Gilbert,Christopher Jon. Grab bar. USP200702D536597.
  6. Portilla, Maria. Grab bar having decorative surface. USP201308D688357.
  7. Portilla, Maria. Grab bar having decorative surface. USP201504D727483.
  8. Portilla, Maria. Grab bar having decorative surface. USP201609D767106.
  9. Spence, William Jason. Grab handle. USP2003046554338.
  10. Witiak, Larry K.. Grab rail. USP2011010630768.
  11. Hansen, Randall C.. Grab rail having a secure support member connection. USP200305D474281.
  12. Seehof, John J.. Grab rail with three knurled portions. USP2011100647629.
  13. Seehof, John J.; Forseth, Russell D.. Grab rail with three knurled portions and reflective tape. USP2011100647214.
  14. Seehof, John J.. Grab rail with two knurled portions and cavity for light. USP2011100647213.
  15. Seehof, John J.; Forseth, Russell D.. Grab rail with two knurled portions and reflective tape, with cavity for light. USP2011100647630.
  16. Deppen, Timothy A. Grip portion of a paddle board paddle. USP201304D680941.
  17. Lohmann, Helmut. Hand rail for a walkie/rider truck. USP2010017641020.
  18. Stark, Donna Raye; Hoffman, Joe G.. Handrail. USP201310D690575.
  19. Schmitt, Gervase G.. Method of manufacturing a boat steering wheel with finger grip indentations. USP2004066745468.
  20. Aurora Chander (49 Horseley Hill Drive Scarborough ; Ontario M1B 1W4 CAX). Multiple hand grip system. USP1996125584096.
  21. Seehof, John J.. One-piece formed anti-slip grab rail. USP201008D621955.
  22. Devereux,Mark. Rail. USP200608D526723.
  23. Devereux,Mark. Rail. USP200609D527832.
  24. Ruana, Bruce M.. Railing advertising - surface, system and method. USP2004086775937.
  25. Ruana, Bruce M.. Releasably attachable grip. USP2005026854163.
  26. Seehof, John J.. Ribbed grab rail. USP2011100647215.
  27. Seehof, John J.. Ribbed grab rail with cavity for light. USP2011100647631.
  28. Reed, Joseph W.. Ring apparatus and grab bar. USP2016119480367.
  29. Hubbard,Larry S.. Shopping cart handle. USP200607D525008.
  30. Meeks, Alan Michael George. Single handle. USP201211D670552.
  31. Meeks, Alan Michael George. Twin handle. USP201303D678748.