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특허 상세정보

Railroad crossing panel filler

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E01B-002/00   
미국특허분류(USC) 238/008 ; 238/003 ; 238/002 ; 238/007
출원번호 US-0174176 (1998-10-16)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Wells, St. John, Roberts, Gregory & Matkin P.S.
인용정보 피인용 횟수 : 13  인용 특허 : 16
초록

A railroad crossing panel filler for attachment to a headed support member on a railroad crossing panel slab includes an elongated elastomeric filler body with a slab engaging surface formed along the body. A rail engaging surface is also formed along the filler body opposite the slab engaging surface. An elongated support member head receiving channel is formed within the filler body and extends along the length thereof between the slab engaging surface and the rail engaging surface. An elongated support member receiving slot extending along the length ...

대표
청구항

[ What is claimed is:] [1.] A railroad crossing panel filler for attachment to a headed support member on a railroad crossing panel slab, comprising:an elongated elastomeric filler body;a slab engaging surface formed along the filler body;a rail engaging surface formed along the filler body opposite the slab engaging surface;an elongated support member head receiving channel formed within the filler body and extending along the length thereof and situated between the slab engaging surface and the rail engaging surface;an elongated support member receivin...

이 특허에 인용된 특허 (16)

  1. Limmergard Sten (Alvesta SEX) Thim Stig (VxjSEX). Arrangement at a railroad crossing. USP1980124236670.
  2. Williams Jack (Portland OR). Concrete grade crossing panels having integral elastomeric seals. USP1996075535948.
  3. Thim Stig (VxjSEX). Device for sleepers for railway tracks. USP1983114415120.
  4. Hogue Thomas A. (702 Williamsburg Ennis TX 75119) Hull William K. (645 Chestnut Ave. #204 Long Beach CA 90802). Embedded railway track system. USP1996115577662.
  5. Hogue Thomas A. (702 Williamsburg Ennis TX 75119) Hull William K. (645 Chestnut Ave. #204 Long Beach CA 90802). Embedded railway track system. USP1996075535947.
  6. Raymond Ronald P. (Cleveland OH). Embedded track assembly. USP1988124793545.
  7. Bruyn Dominicus,CAX ; Williams Frank Drayton,CAX ; Chien Bill Wei Shiu,CAX. Interface strip for road/rail crossing. USP1999055899379.
  8. Wabnitz Benjamin (Gig Harbor WA). Method and apparatus for electrically isolating a rail in a precast concrete grade crossing. USP1995115464152.
  9. Hull William K. (1705 Jamestown Ennis TX 75119) Hogue Thomas A. (702 Williamsburg Ennis TX 75119). Prefabricated embedded railway track system. USP1997085655711.
  10. Hull William K. ; Hogue Thomas A.. Prefabricated embedded railway track system. USP1998125850970.
  11. Grant Owen G. (Kitchener CAX) Williams Frank (Waterloo CAX). Rail seal. USP1986084606498.
  12. Canfield ; David L.. Railroad crossing structure. USP1978064093120.
  13. Maass William D. (Waterloo CAX). Railroad crossing structure. USP1984074461421.
  14. Davis R. Andrew (Portland OR) Holland Bryan (Tualatin OR) Williams Jack (Portland OR). Railroad crossing system. USP1996075538182.
  15. Martin John K. (419 Oakside Cir. SW. Calgary ; Alberta CAX T2B 4V3). Railway crossing insert. USP1990024899933.
  16. van der Harst Pieter A. (IJmuiden NLX). Railway level crossing. USP1980054203547.