TURNSTILE Russian patent published in 2008 - IPC E06B11/08 

FIELD: check point appliances.

SUBSTANCE: turnstile incorporates, at least, a fixed base and, at least, one mechanical part fitted thereon. The latter has, at least, two rotary shafts and two coupled passage blocking means to block the passage in turn with the shafts rotating in step. Here, in compliance with the invention, the said shafts have, at least, their one mechanical part set in parallel to the axis of passage through turnstile. At the same time, the said, at least, one mechanical part is made so that to form a rigid link between shafts to allow their synchronous rotation and intermittent passage through the turnstile thanks to the blocking passage means rotation, as well as to allow disengagement of the said rigid linkage for unobstructed passage in extreme situations. Note, that the rigid linkage between the shafts engaged, the passage blocking means are, in fact, arranged at the right angle to each other, while with the shafts disengaged the said means vertically and in parallel.

EFFECT: fast evacuation of people in extreme situations.

17 cl, 6 dwg