Tool for extracting and inserting pins of roller chains
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United States of America Patent
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May 1, 2012
Grant Date -
Dec 9, 2010
app pub date -
Jun 4, 2010
filing date -
Jun 5, 2009
priority date (Note) -
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Abstract
A tool for inserting and extracting pins of roller chains includes a body having a bridge adapted to engage a chain and a drive screw assembly coupled to the main body on a first side of the bridge. The drive screw assembly includes a drive screw which is rotatable to provide a force and a pin mounted concentrically within the drive screw. The drive screw assembly further includes an alignment sleeve that surrounds the pin mounted concentrically within the drive screw. The alignment sleeve guides and supports the pin up to a face of a roller chain. The tool further includes a rotatable backing wheel coupled to the main body on a second side of the bridge. The rotatable backing wheel includes multiple channels such that the multiple channels correspond to different roller chains having different sizes.
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