Equipment for sealing-off the play between a lift shaft and...

B - Operations – Transporting – 66 – B

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187/23

B66B 13/30 (2006.01) E04B 1/68 (2006.01)

Patent

CA 1320454

Abstract of the Disclosure A sealing strip in the structure of parts (8; 10) extending over all sides of a cage opening closes off the play between a lift shaft (1) and the cage opening of a lift cage (4) in draughtproof and weatherproof manner when stopping at a storey. The pressure medium, which when stopping at a storey flows into the sealing strip arranged at the lift cage (4), expands an elastic hollow body of the sealing strip until this is pressed against a shaft closure (6). Thereby, a draughtproof and weatherproof closure arises between the cage opening and the shaft closure (6). The hollow body of the sealing strip is ventilated to atmosphere or to a vacuum before the departure of the lift cage (4) from the stopping point. In that case, the hollow body retracts so far from the shaft closure (6) that the spacing, which is necessary for the free travel of the lift cage (4), from the shaft closure (6) is assured.

601158

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