Hoist assembly
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United States of America Patent
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Nov 27, 2018
Grant Date -
Aug 18, 2016
app pub date -
Feb 16, 2015
filing date -
Feb 16, 2015
priority date (Note) -
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Abstract
A hoist assembly is disclosed. The hoist assembly can include a frame, a first sheave assembly fixed relative to the frame, a second sheave assembly movable relative to the frame, and a cable engaged with the first sheave assembly and the second sheave assembly. The first sheave assembly can include a first sheave comprising a first axis of rotation and a second sheave comprising a second axis of rotation oriented perpendicular to the first axis of rotation. The second sheave assembly can comprise a third sheave comprising a third axis of rotation and a fourth sheave comprising a fourth axis of rotation angularly-oriented relative to the third axis of rotation. The third axis of rotation and the fourth axis of rotation can be coplanar. The sheaves can be removable and replaceable.
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