Electrically actuated storm brake for crane and method for actuating the brake
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United States of America Patent
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-
Mar 19, 2013
Grant Date -
May 6, 2010
app pub date -
Jan 16, 2009
filing date -
Nov 4, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A storm brake for a truck assembly supporting a large industrial device, wherein the truck assembly includes a truck chassis having a mount to support the device and a wheel engaging a raceway along which the truck assembly and device are to travel, the storm brake including: a storm brake shoe pivotably mounted to the truck chassis, wherein the storm brake shoe has a first pivot position in which the brake does not engage the raceway and a second pivot position in which the brake engages the raceway, wherein the storm brake shoe pivots in a direction generally aligned with a direction movement of the truck assembly along the raceway; an actuator having an extendable linkage coupled to the storm brake shoe and at an opposite end to a fixed mounting on the truck chassis, wherein extension of the linkage pivots the storm brake from the first position to the second position, and the fixed mounting provides a slidable engagement between the opposite end of the actuator and the truck chassis.
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