Patent ID: 8730769

Claim:
A dial plate structure, comprising: a first dial plate having a cutout portion at a first predetermined portion and an opening at a second predetermined portion, said cutout portion being formed by an outer peripheral surface portion of the first dial plate, and said opening being formed in the first dial plate; a second dial plate arranged under the first dial plate and having a plurality of display portions that are exposed through the cutout portion of the first dial plate; a rotary plate which is arranged between the first and second dial plates, and which has an indicator to selectively indicate one of the plurality of display portions of the second dial plate by rotating over the second dial plate, said rotary plate being partially exposed through the cutout portion of the first dial plate; a first cover member arranged on the second dial plate such that the first cover member faces a first outer peripheral surface portion of the rotary plate; and a second cover member arranged on the second dial plate such that the second cover member faces a second outer peripheral surface portion of the rotary plate; wherein the plurality of display portions of the second dial plate are arranged radially outward from the rotary plate; wherein the rotary plate has a plurality of index markers respectively corresponding to the plurality of display portions of the second dial plate; and wherein the opening of the first dial plate is configured to expose one of the index markers when the indicator of the rotary plate indicates one of the display portions, said one of the index markers corresponding to the indicated one of the display portions.