Patent ID: 8971157
Filing Date: 2015-03-03
Classification: G04B,G04C

Abstract:
1. A display apparatus comprising: a first display wheel which has a first display section; a second display wheel which has a second display section; a driving section which rotates in a forward direction and a reverse direction, and which rotates the first display wheel in the forward direction and the reverse direction; and a rotating section which rotates only the first display wheel in the forward direction when the first display wheel is rotated in the forward direction, and which rotates the second display wheel in the reverse direction together with the first display wheel when the first display wheel is rotated in the reverse direction, wherein the first display wheel is formed into a circular shape and first clutch teeth are circularly provided on an outer peripheral portion of the first display wheel, such that the first clutch teeth are circularly provided in an upper outer peripheral portion of the first display wheel in a state where the first clutch teeth project outwards, wherein the second display wheel is formed into a circular shape and second clutch teeth are circularly provided in an outer peripheral portion of the second display wheel, such that the second clutch teeth are provided in a lower outer peripheral portion of the second display wheel in a state where the second clutch teeth project outwards, and wherein the second display wheel is placed adjacent to the outer peripheral portion of the first display wheel, and the first clutch teeth of the first display wheel and the second clutch teeth of the second display wheel are placed such that the first clutch teeth and the second clutch teeth are coupled and meshed with each other in an axial direction of the first and second display wheels.