| 摘要 |
PROBLEM TO BE SOLVED: To provide a pallet lever for a watch escapement mechanism, which pallet lever is accurate and highly reliable over a long period of use by solving a problem that occurs in the manufacturing process of the pallet lever.SOLUTION: A pallet lever 2 for the escapement mechanism of a watch movement comprises: a fork portion 4; a pallet-stone holder portion 7; pallet stones 6 mounted on the pallet-stone holder portion; and a lever 8 interconnecting the pallet-stone holder portion to the fork portion. The fork portion 4 includes a fork, a guard pin 14, and a stud 16, the lever 8 and the pallet-stone holder portion 7 are integral and form a one-piece main body 3 of the pallet lever 2, and the fork is an added part secured to the main body 3 by means of the stud 16 driven into a securing hole in the main body and a securing hole in the fork. The stud 16 is manufactured from a hard material, particularly a sapphire. |
