RETRACTABLE GATE SYSTEM Russian patent published in 2021 - IPC A63G31/00 

Abstract RU 2742194 C1

FIELD: construction.

SUBSTANCE: invention can be used to open and close restricted space. Essence of invention consists in that gate system includes first fixed support structure having plurality of fixed guides defining corresponding passages, and gates, which move relative to fixed support structure between open position and closed position. Gate includes multiple guide gates, which slide in corresponding passages as gate moves between open position and closed position. Also, the gate includes one or more compressible sheets connected to a plurality of guide gates, and one or more compressible sheets are configured to move from the compressed position to the stretched position as the gate moves from the open position to the closed position.

EFFECT: technical result is possibility of increasing speed of queue while maintaining integrity.

18 cl, 10 dwg

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RU 2 742 194 C1

Authors

Maddamma, Michael

Dates

2021-02-03Published

2018-07-10Filed