Patent ID: 8907190

Claim:
A switch device comprising: a first rotating operation unit which is rotatably arranged in one side section of an instrument case such that a portion thereof protrudes from a top surface of the instrument case; a second rotating operation unit which is rotatably arranged posterior to and separated from the first rotating operation unit such that a portion thereof is exposed on a side surface side of the one side section, and positioned such that the exposed portion is rotatable in a horizontal direction by a finger of one hand other than a thumb when the protruded portion of the first rotating operation unit is rotated in an up and down direction by the thumb; a first attaching member having a first attaching piece for attaching the first rotating operation unit to the instrument case at a first position of the instrument case; and a second attaching member having a second attaching piece for attaching the second rotating operation unit to the instrument case at a second position of the instrument case which is different from the first position, wherein the first attaching piece and the second attaching piece are attached on a same plane in the instrument case.