|Title:||Differential mechanism for Cash Registers|
|Person:||Beria, Biagio (P)|
|Company:||RIV (P) Società Anonima Officine Villar Perosa|
|Link to the patent office:|
|US2297383 (espacenet), US2297383 (uspto)|
Filing date: Mar 28, 1936
Issue date: Sep 29, 1942
This invention is a division of application Serial No. 71,522 filed March 28, 1936 by the same applicant and relating to a cash register comprising a main shaft and a driving member for each row of amount keys, which perform in a first period of the operation a forward rotation and in a second period of the operation a backward rotation over a constant extent, whereby each driving member moves a wheel setting the wheels of the totalizer, the indicator and the type wheels by an extent which is proportional to the value of the depressed key.