BRAKE DEVICE FOR RAILWAY VEHICLE
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United States of America Patent
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Issued Date -
Nov 30, 2023
app pub date -
Apr 11, 2023
filing date -
May 24, 2022
priority date (Note) -
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Abstract
A brake device for a railway vehicle includes: a regular electric motor having a rotatable regular-side rotor; a transmission shaft member extending from the regular electric motor in the direction of the rotation axis of the regular-side rotor and rotated by the rotational force output from the regular-side rotor; a conversion mechanism attached to the transmission shaft member and configured to convert the rotational motion of the transmission shaft member into linear motion; friction members configured to receive the linear motion to be pressed against a brake-applied member of the railway vehicle, so as to brake the railway vehicle; and a security power unit attached to the transmission shaft member and configured to output the rotational force to the transmission shaft member.
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