FIELD: civil engineering. SUBSTANCE: gates have two wings 1 and 4 forming door leaf, when closed. Wing 1 is secured on upper members 2 of door aperture framing by means of joints 3 for opening inwards under garage roof. Wing 4 is secured on lower members 5 by means of joints 6 for opening outwards and resting on ground. Wings are coupled by cable 8 reeved through sheaves 7. When shifting the wings, couple is formed, and wings balance each other on entire way of their synchronous movement. EFFECT: simplified design, enhanced reliability of operation. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| GARAGE GATE | 1992 |
|
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| CONVERTIBLE STAIRS FOR PASSAGE BETWEEN FLOORS OF BUILDING | 1992 |
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| GATES FOR ENTERING HOCKEY FIELD | 1992 |
|
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| MECHANIZED TWO-LEAF GATES | 1992 |
|
RU2035579C1 |
