WEAK PIN BREAKAGE DETECTION DEVICE

PROBLEM TO BE SOLVED: To safely and correctly detect breakage of a weak pin even in a place in an adverse condition where the place is likely to get water, by detecting state change of reflected light of light about fracture of the weak pin. SOLUTION: The weak pin breakage detection device includes:...

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1. Verfasser:	DATE YOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES OR ENGINES FOR LIQUIDS MEASURING MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PHYSICS PRODUCING MECHANICAL POWER TESTING WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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creator	DATE YOSHIAKI
description	PROBLEM TO BE SOLVED: To safely and correctly detect breakage of a weak pin even in a place in an adverse condition where the place is likely to get water, by detecting state change of reflected light of light about fracture of the weak pin. SOLUTION: The weak pin breakage detection device includes: a tube 6 inserted into a long hole 5 of the weak pin 3 freely inserted therein/pulled out thereof; a light emitting/receiving part 2 disposed to an upper member 7 of the tube 6 and emitting light from an optical fiber 10 and receiving its reflected light; and a reflection part 9 disposed to a lower member 8 of the tube 6, and reflecting emitted light from the light emitting/receiving part 2. When the tube 6 is fractured together with the weak pin 3 and the light emitting/receiving part 2 does not receive the reflected light, a sensor 13 detects the state. COPYRIGHT: (C)2010,JPO&INPIT
format	Patent
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SOLUTION: The weak pin breakage detection device includes: a tube 6 inserted into a long hole 5 of the weak pin 3 freely inserted therein/pulled out thereof; a light emitting/receiving part 2 disposed to an upper member 7 of the tube 6 and emitting light from an optical fiber 10 and receiving its reflected light; and a reflection part 9 disposed to a lower member 8 of the tube 6, and reflecting emitted light from the light emitting/receiving part 2. When the tube 6 is fractured together with the weak pin 3 and the light emitting/receiving part 2 does not receive the reflected light, a sensor 13 detects the state. 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SOLUTION: The weak pin breakage detection device includes: a tube 6 inserted into a long hole 5 of the weak pin 3 freely inserted therein/pulled out thereof; a light emitting/receiving part 2 disposed to an upper member 7 of the tube 6 and emitting light from an optical fiber 10 and receiving its reflected light; and a reflection part 9 disposed to a lower member 8 of the tube 6, and reflecting emitted light from the light emitting/receiving part 2. When the tube 6 is fractured together with the weak pin 3 and the light emitting/receiving part 2 does not receive the reflected light, a sensor 13 detects the state. COPYRIGHT: (C)2010,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record>
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language	eng
recordid	cdi_epo_espacenet_JP2010127183A
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subjects	BLASTING HEATING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES OR ENGINES FOR LIQUIDS MEASURING MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PHYSICS PRODUCING MECHANICAL POWER TESTING WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
title	WEAK PIN BREAKAGE DETECTION DEVICE
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