Patent attributes
A rotation shaft device comprises: a base; a first rotation unit; a pair of second rotation units; a torsion unit, having a connection rod; a slide mechanism, including a slide block disposed in a hollow slot and having the top surface formed with a pivotal part, and a pair of slide pieces are disposed at two opposite sides of the slide bock; and a bottom seat, formed with an accommodation part, two opposite sides defined on a top surface of the accommodation part and/or a bottom surface of the base are formed with a pair of slide slots allowing the pair of slide pieces to be disposed; the slide block is pivotally connected to the torsion unit and the first rotation unit, thus the pair of slide pieces can stably slide between the bottom surface of the base and the pair of slide slots.
