Assembly for the regulating organ of a watch movement

摘要

The regulator (200) consists of a balance wheel (120), a spiral (100), and a cylindrical sleeve (102) with hole (101) for balance wheel shaft. The spiral and sleeve may be made in one piece by using ultraviolet rays and a mask to produce a mould which is then filled with an iron/nickel/chromium alloy. The combined spiral/sleeve is bolted to a reinforcement (103) on the balance wheel An Independent claim is also included for : A regulator for clock movement which has a balance wheel, spiral and sleeve manufactured as one piece using ultraviolet rays and mask to make mould.