Tension detecting device

An end portion of a webbing belt is attached to a metal base plate, in which a hole is formed. A projecting portion is formed at an inner edge of the hole which inner edge is at a side opposite a belt attachment portion. When tension is applied to the webbing belt, due to a fixed plate engaging with...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUI KAZUHITO, KANBE MASAKATA
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	An end portion of a webbing belt is attached to a metal base plate, in which a hole is formed. A projecting portion is formed at an inner edge of the hole which inner edge is at a side opposite a belt attachment portion. When tension is applied to the webbing belt, due to a fixed plate engaging with the projecting portion, a tensed portion of the metal base plate between the belt attachment portion and the hole extends and the projecting portion contracts in the direction of the tension. As a result, first strain gauges mounted to the tensed portion output a signal corresponding to extension, and second strain gauges mounted to the projecting portion output a signal corresponding to contraction. A tension detecting device detects the tension on the basis of a large difference in outputs of the first strain gauges and the second strain gauges.