Load-minimizing, trolley arrester apparatus and method
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United States of America Patent
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Jun 5, 2012
Grant Date -
Dec 15, 2011
app pub date -
Jun 1, 2011
filing date -
Jun 28, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A system comprising a cable held in suspension and a trolley traveling along the cable relies on a brake to control velocity and net downhill acceleration of the trolley. The trolley may include a brake pad positioned to contact the cable. At the downhill end of the ride, the lever actuating the brake is caught and lifted by a capture ring, thus relieving the braking load on the trolley. Also, the trolley engages a comparatively modest, second resistance mechanism, such as, for example, a system of springs, that gradually increases in resistance with distance of motion of the trolley thereagainst, bringing the trolley to a gradual halt.
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