AXLE BOX SUPPORT DEVICE FOR RAILWAY VEHICLES

WIPO Patent Application WO/2015/083342

A1

An axle box support device for railway vehicles that couples an axle box to a wagon frame by using a coupling mechanism. The coupling mechanism comprises: an axle arm having a cylindrical section; a shaft inserted into the cylindrical section and having protruding sections provided on both sides thereof; a pair of seats provided in the wagon frame and having a fitting groove into which the protruding sections are fitted; a pair of lid members that support each protruding section; a fastening mechanism that fixes each lid member to the seats; and a lock. Each seat has a first screw hole. Each lid member has a first through hole and a second screw hole. The fastening mechanism has: a first bolt; a second bolt; and a plate having a fitting hole that fits the head section of the first bolt and restricts the rotation thereof and a second through hole through which the shaft section of the second bolt can be inserted. The first bolt is screwed into the first screw hole via the first through hole. The fitting hole in the plate is fitted with the head section of the first bolt and the second bolt is screwed into the second screw hole via the second through hole. The lock restricts rotation of the second bolt relative to the second screw hole.

OKUMURA YASUFUMI
NISHIMURA TAKEHIRO
ANDO SHINTARO
NAKAO SHUNICHI

PCT/JP2014/005876

June 11, 2015

November 25, 2014

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KAWASAKI HEAVY IND LTD (JP)

B61F5/30

JP2010184684A	2010-08-26
JP2007045275A	2007-02-22
CN102673595A	2012-09-19

PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Patent business corporation Owner old patent firm (JP)

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