Patent ID: 9395693
Filing Date: 2016-07-19
CPC Classification: G04B,G04C

Claim Text:
1. A timepiece with date display comprising two supports ( 20 , 30 ), said supports comprising superposed discs or rings, each of the supports bearing a set of signs ( 40 , 50 ) according to an annular arrangement, one support ( 30 ) bearing signs from 0 to 9 forming the date digits and the other support ( 20 ) bearing signs from 0 to 3 forming the decimals, arranged in such a manner that the respective signs ( 40 , 50 ) are juxtaposed in order to indicate the date ( 70 ), characterized by the fact that said signs ( 40 , 50 ) are disposed in a non uniform manner, such that the angular deviation formed between the start of a sign ( 40 , 50 ) and the start of the following sign ( 40 , 50 ) varies from one sign ( 40 , 50 ) to another, the signs ( 50 ) 0 to 9 forming the digits being separated at an angle of 33°±1° between the signs 0 and 1 and an angle of 38.5°±1° between the signs 2 and 1, the signs ( 40 ) 0 to 3 forming the decimals being doubled, (0, 0; 1, 1; 2, 2; 3, 3) and being separated at an angle of 41°±1° between the signs 1 and 0 and an angle of 48.5°±1° between the signs 2 and 1, the timepiece further comprising a mechanism for driving said discs and/or rings ( 20 , 30 ) by uniform angular pitches of around 36° per day for the disc/ring ( 30 ) bearing the signs ( 50 ) forming digits and of around 45° per five days for the disc/ring ( 20 ) bearing the signs ( 40 ) forming the decimals.