US Patent 10281951 Electronic apparatus comprising two casing coupled together with two-parallel-axis hinge

According to one embodiment, an electronic apparatus includes a first casing, a second casing, and a hinge which couples them rotatably from a first state to a second state. The hinge includes a first shaft, a first rotation engaging portion, a second shaft, a second rotation engaging portion, a housing, and a transmission unit. The transmission unit links the first engaging portion and the second engaging portion and rotates them with respect to a rotation angle of the housing from the first state to the second state.