Class 368/164 - With opening and closing of contacts

Subclass of Class 368 - Horology: time measuring systems or devices
Definition: Subject matter wherein the balance wheel opens and closes
No. of patents: 1
Last issue date: 09/07/1976

Number	Title	Issue Date
3978652	Formed contact spring for electro-mechanical watches A contact spring for making repetitive electrical contact with a contact pin on an oscillating balance wheel in a electro-mechanical watch. The contact spring is flat for maximum flexibility and has an end crimped to provide opposite identical rigid conta...	09/07/1976

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