Spring loaded vertical and horizontal self aligning roller chock
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United States of America Patent
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Jun 28, 2016
Grant Date -
Sep 24, 2015
app pub date -
Mar 6, 2015
filing date -
Mar 7, 2014
priority date (Note) -
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Abstract
A self-aligning roller chock comprises a deck mounting structure which includes a boss member coupled to the deck and a swivel base plate rotationally coupled to the boss member for rotation about an axis substantially perpendicular to the deck; a pivot assembly coupled to the swivel base plate; a frame coupled to the pivot member and configured to pivot relative to the deck mounting member about the pivot assembly; and a sheave wheel rotationally mounted within the frame adapted to receive rigging line therein. The chock will pivot about two axes providing a self-aligning horizontal and vertical alignment with a resulting force of the rigging line. The self-aligning roller chock may further include a spring coupled to the frame and partially supporting the weight of the frame and the sheave wheel at least when the axis of the sheave wheel is non-parallel to the plane of the deck.
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