A zipwire trolley having a plurality of zipwire engaging rollers, a swivelable brake block assembly adjacent to one of the rollers, the brake block having a zipwire-engaging cam by which the roller can be at least partially lifted off the zipwire when the trolley is moving in a rearward direction, the cam having a pair of tapered sidewalls tending to pinch respectively opposite sides of the upper part of the zipwire as the brake block progressively rotates when the trolley is moving in a rearward direction, thereby preventing or inhibiting further rearward movement of the trolley.
Zipwire trolley braking
17.07.2018
Patent
Elektronische Ressource
Englisch
Experiment trolley active braking system, braking method and experiment trolley
Europäisches Patentamt | 2020
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