HINGE MECHANISM FOR FOLDABLE ELECTRONIC APPARATUS

摘要

A hinge mechanism of a button cover of an electronic apparatus includes a pa ir of modules installed adjacent each other in respective receiving spaces of a case body. Each module includes: a hinge housing; a hinge shaft having a shaft on a first end thereof and a p rotrusion on a second end thereof and being inserted into the hinge housing so that said first end is disposed outward; a cam hinge having an indent and a protrusion on the same one end thereof so that the protrusion is engaged with the indent; a hinge cover having a hooking protrusion to be cou pled to the hinge housing; and a coil spring installed between the cam hinge and the hinge cov er. The shaft is coupled to the button cover so that the cover is opened and shut by the action of th e pair of modules.