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Individual
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Individual
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Priority to ES1969150586UpriorityCriticalpatent/ES150586Y/en
Publication of ES150586UpublicationCriticalpatent/ES150586U/en
Application grantedgrantedCritical
Publication of ES150586YpublicationCriticalpatent/ES150586Y/en
Improved tightening jack, characterized in that its movable arm, folded in a u-shape with external lateral longitudinal grooves and a rear recess in the spine, provided for the tail to pass freely, comprises two plates limiting the tail housing, one fixed on the inside of the arm and the other, also internal, mounted articulately on a transverse pin, fixed to the sides of the arm, so that the tail flows freely between both plates, which, when tightening the jack and tend the arm to turn on the tail and because of the tilting of one of them, produce a braking wedge, independently of the location of both plates with respect to the tail, since they are susceptible to be placed on both sides indistinctly. (Machine-translation by Google Translate, not legally binding)