Importance

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Abstract

A zip line trolley for movement along a tensioned support member, such as a cable, with an eddy current braking system including non-ferrous electrically conductive components between which there is rotatably supported at least one wheel rollingly engaged with the cable and carrying magnetic devices which induce eddy currents in the side plates to brake the respective wheel, features a cooling system thermally coupled to the side plate arranged to carry the eddy current, so as to receive heat generated by the induced eddy currents, and configured to release the received heat to ambient air as the trolley moves along the cable. According to another aspect, the braking system features magnetic assemblies supported for generally radially-directed sliding movement on at least one of the wheels and a distinct annular component, which is conducive to carrying eddy currents, and which registered with an outward-most location of the sliding magnetic assemblies.

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First Claim