CLOCK SPHERICAL INDICATOR Russian patent published in 1994 - IPC

Abstract RU 2020531 C1

FIELD: instrument engineering; indicators for watch-making industry. SUBSTANCE: indicator has magnetic circuit with core and tip. Annular permanent magnet is attached to internal surfaces of hemispheres of indicator and is provided with a tip according to the first variant of making. The other variant provides the magnet to be attached to side surfaces - protrusions of magnetic circuit. Rotor is mounted onto internal surfaces of hemispheres. EFFECT: improved convenience. 54 dwg

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RU 2 020 531 C1

Authors

Кrasnopevtsev Аleksandr Ivanovich

Dates

1994-09-30Published

1988-12-01Filed