Patent ID: 8225674

Claim:
A tensile testing device, which is used for detecting an extracting force between a plug element and a mating element, comprising: a supporting unit for securing mating elements thereon; a connecting unit including a panel attached on a front surface of the supporting unit, an upper portion of the panel defining a first through hole and a plurality of eyelets around the first through hole to show a circle shape, a turning plate pivoted to a front of the panel, the turning plate having a second through hole aligned with the first through hole, a fixing aperture spaced from the second through hole, a first fixing pin engaged in the fixing aperture and optional one of the eyelets for positioning the turned turning plate with respect to the panel; and a cantilever unit for reading the tension fixed on a front surface of the turning plate, the cantilever unit having a lead which passes through the first and the second through holes to connect with the plug element which is coupled with one mating element, wherein the cantilever unit is revolved on an axis of the second through hole to different positions accompanying with the turned turning plate, and drives the lead to pull the plug element so as to detect the extracting force between the plug element and the mating element from different directions.