Patent ID: 7545706

Claim:
Device for mounting and fastening at least one gong of a striking mechanism of a watch movement, characterised in that each gong ( 1 , 14 ) is solidly attached to a corresponding heel ( 2 , 15 ); in that it includes means for a temporary positioning and fastening ( 5 , 6 , 8 , 9 , 10 ) of the heel or heels and their gongs on a bottom plate ( 7 ) of the watch movement; in that it includes at least one crystal support ( 21 ) fastened underneath the crystal ( 22 ) of a case enclosing the watch movement; in that it includes guiding and positioning means ( 5 , 6 , 11 ) allowing the gongs ( 1 , 14 ) and their heels ( 2 , 15 ) to be moved to their working position where each heel either is in touch with the crystal support ( 21 ) or with another heel; and means for fastening ( 13 ) of the gongs and their heels on the crystal support ( 21 ) in such a way that these gongs and their heels are tied to the crystal ( 22 ).