Patent ID: 9261859
Filing Date: 2016-02-16
CPC Classification: G04B

Claim Text:
1. An universal running equation of time mechanism including a differential device, wherein a first input of the differential device is formed by a cannon-pinion for the civil time minutes and wherein a second input of the differential device is formed by a running equation cam, wherein the differential device outputs on a running equation of time minute pipe a running equation of time minute that indicates the difference, for a given day, between civil time and solar time, wherein the running equation minute drives a true minute pipe of the running equation of time, that, via a true equation motion work, drives a true hour of the running equation of time, wherein the civil time minute cannon-pinion drives via a motion work wheel set, a civil hour wheel, wherein a jumper spring, integral with the civil hour wheel, cooperates with a star having twelve teeth connected to an arbor carrying a civil hour hand, wherein a time zone wheel also is integral with the arbor, wherein a time difference and display train, coupled to the true equation motion work, applies the time difference linked to the longitude position of the user relative to the center of the time zone to the true running equation hour, wherein the time zone wheel applies to the civil hour wheel, in forward or backward one-hour steps, the time difference between the civil time at the place where the user is situated and the time at the center of the time zone, wherein the running equation minute pipe is connected to the true running equation minute pipe by indenting.