Hinge device and electronic device using this hinge device

Abstract

【Problem】To provide a hinge device capable of coping with slack and tension applied to a flexible display sheet when an electronic device is in a folded state or an unfolded state, and an electronic device using this hinge device. 【Solution means】A hinge device used for an electronic device in which a flexible display sheet is attached across both surfaces of a pair of housings, and which connects the pair of housings so as to be openable and closable, the hinge device being provided with a base frame reaching both end portions in the width direction of the pair of housings, the base frame having a rotation slide mechanism, a rotation control mechanism, and a synchronous rotation mechanism installed on a pair of rotation shafts provided therein, the rotation slide mechanism being provided inside fixed cam members provided at front and rear sides on both end portions sides of the base frame with a predetermined interval therebetween, the fixed cam members having curved guide convex portions provided therein, and being constituted by rotation cam members having curved guide concave portions fitted to the respective fixed cam members and attached to side frames attached to the respective housings. 【Selected drawing】Figure 4

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