Portable computer comprising a hinge unit, and this

The present invention relates to a portable computer comprising the same hinge unit and a hinge unit, coupled to the first member, the hinge axis, and a truncated cone-shaped conic part is radially expanded at hinge shaft end region, formed on an outer peripheral surface portion conic the conic shaft and having first locking portion; The is coupled to the second member, and a conic sleeve having a conic receiving portion having a shape corresponding to a conic section, it is formed on an inner surface of the conic portion receiving a second locking binding to the first locking part. In this way, it is possible to reduce the number of components reduce manufacturing costs, it is possible to provide a portable computer comprising a hinge unit, and this can improve the wear resistance. Hinge, a portable computer