AUTOMATIC BARRIER Russian patent published in 1996 - IPC

Abstract RU 2067940 C1

FIELD: traffic control devices. SUBSTANCE: bar 3 is spring-loaded relative to post 1 in angle of turning in both directions by means of springs 6 and 7, one of which is connected with support through electromagnet 17. Fixing of bar 3 in vertical and horizontal positions is provided by ratchet gearing whose pawl 14 is moved by electromagnet 16. EFFECT: enhanced reliability of operation. 1 dwg

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RU 2 067 940 C1

Authors

Semenozhenkov V.S.

Noskov G.P.

Dates

1996-10-20—Published

1993-02-22—Filed