POWER TRANSMISSION SHAFT

WIPO Patent Application WO/2016/108340

A1

Disclosed is a power transmission shaft capable of performing a fuse-like function with respect to excessive torque when excessive torque is applied to a power input side. The power transmission shaft comprises: a main shaft connected to a power device; flanges provided at both sides of the main shaft so as to be connected to the power device; and a flexible coupling extending in the radial direction of the main shaft, wherein the power transmission shaft is provided with a power shutoff unit, formed at one part of at least one of the main shaft and the flanges, which shuts off power by breaking the main shaft or the flanges when torque greater than a predetermined level is applied. As such, when excessive torque is applied to the power input side, the power transmission shaft performs a fuse-like function with respect to the excessive torque, whereby it is possible to enhance safety, prevent sparks from occurring at the time of breakage of the flanges or the shaft, facilitate the production thereof, and effectively prevent vibration while sufficiently supporting the speed or load in the event of a high rotation rate.

WO/2016/034593	COUPLING WITH SECURING PIN
WO/2000/026554	DRIVE SHAFT COUPLING DEVICE

LEE MUN KI (KR)
KO JAE DEOK (KR)
KIM KEUM MO (KR)
SONG SOON JONG (KR)
LEE JI MAN (KR)
CHOI YOUNG WON (KR)
LEE JEONG CHAN (KR)
PARK JIN HO (KR)
KIM BYUNG GI (KR)

PCT/KR2015/001987

July 07, 2016

March 02, 2015

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IONES CO LTD (KR)

F16D9/06; F16C3/02; F16D3/79; F16D9/08

KR20130117229A	2013-10-25
JP2009192044A	2009-08-27
JPH08232838A	1996-09-10
JP2012145173A	2012-08-02
JP2007162903A	2007-06-28

PARK, WON YONG (KR)
박원용 (KR)

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