OBJECTIVE JUMPING DIAPHRAGM Russian patent published in 1995 - IPC

Abstract RU 2036497 C1

FIELD: photo engineering. SUBSTANCE: jumping diaphragm has drive mechanism of lobes 1 and 2 which is made in form of spring-loaded levers 6 and 7 provided with cam profiles and mounted onto axes disposed at the same side of optical axis of the objective. Diaphragm has also spring-loaded drive lever 12. Control lever 15 has cam profile 15a and is provided with tip 16 and flange 15b. The lever is mounted for interaction of cam profile 15a with mechanism for setting diaphragm values. The lever interacts with drive and start levers 12 and 17 correspondingly through tip 16 and flange 15b. EFFECT: improved reliability of operation. 1 dwg

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RU 2 036 497 C1

Authors

Padalko A.Ja.

Sinel'Nikova T.V.

Levina N.D.

Dates

1995-05-27—Published

1993-04-07—Filed