RAILROAD CROSSING BARRIER
PURPOSE: To provide a railroad crossing barrier of double system capable of always intercepting road traffic, in the case of breaking one barrier lever, by the other barrier lever. CONSTITUTION: A main unit part 1 has two rotary drive mechanisms 11, 12 in the inside. The first/second barrier levers...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE: To provide a railroad crossing barrier of double system capable of always intercepting road traffic, in the case of breaking one barrier lever, by the other barrier lever. CONSTITUTION: A main unit part 1 has two rotary drive mechanisms 11, 12 in the inside. The first/second barrier levers 2, 3 are mounted in the main unit part 1, to drive the lever rotated respectively by the rotary drive mechanisms 11, 12. The second barrier lever 3, when it is lowered down, is driven to be rotated with a delay from the first barrier lever 2. |
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