Base structure of a turnout

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6257494
SERIAL NO

09345182

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A base structure of a turnout, which has high durability and is capable of reliably preventing lateral displacement, is disclosed. The base structure of the turnout comprises a set of steel sleepers 1A, which is installed on the track bed and can be filled with ballast. The set of steel sleepers 1A comprises a plurality of steel sleepers 2a, 2b, 2c having a substantially same configuration and different lengths, which are arranged in parallel to each other at predetermined intervals with the length varying stepwise from the shortest steel sleeper 2a to the longest steel sleeper 2c, with end faces on both sides of the longitudinal direction of all steel sleepers are capped with sleeper tie members 3, 4, and 5 or 6, and a portion, or all, of the sleeper tie members are embedded in the track bed.

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Patent Owner(s)

Patent OwnerAddress
WEST JAPAN RAILWAY COMPANY4-24 SHIBATA 2-CHOME KITA-KU OSAKA-SHI OSAKA 5308341
YAMATO KOGYO CO LTDHIMEJI-SHI HYOGO 671-1192

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Demura, Masafumi Kanazawa, JP 1 5
Ego, Mitsuki Akashi, JP 1 5
Fukui, Yoshihiro Kyoto, JP 6 59
Irie, Takaaki Himeji, JP 9 43
Konishi, Katsuniri Himeji, JP 1 5
Maruyama, Motoyoshi Himeji, JP 1 5
Tokuoka, Kenzo Nishinomiya, JP 1 5
Yano, Tomokazu Himeji, JP 1 5

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