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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0846828 (1977-10-31) |
우선권정보 | CA-0286682 (1977-09-14) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 12 인용 특허 : 0 |
The specification describes an improved railroad track expansion joint which is comprised of a pair of longitudinally aligned elongated joint members interconnected with one another by means of a dovetail joint formed along abutting faces which extend at an acute angle to the members. The other ends
A railroad track expansion joint comprising: first and second elongated joint members each having one end adapted to be secured to the end of a conventional railroad track, said joint members having mating abutting faces at their other ends, said faces extending at an acute Angle with respect to the
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