| 摘要 |
The present invention relates to an apparatus for downhauling people or other loads, comprising a brake which functions to limit the downhauling speed. According to the invention the apparatus includes a rotatable wheel (3; 103; 203), a rotatable roller (10; 110, 110'; 210, 210'), which is located radially outside the periphery of the wheel and which can be swung into abutment with the wheel periphery, and an elongated belt (2; 102; 202) having an incoming part which runs between the respective peripheral surface of the wheel and the roller and around a part of the wheel periphery, and an outgoing part which runs between the wheel and a device (11; 111, 111'; 210', 210) which is located radially outside the wheel and which when the belt is under load functions to swing the rotatable roller towards the periphery of the wheel and therewith brings that part of the belt which lies between the roller and the wheel into abutment with the periphery of said wheel.
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