Low friction adjustable roller pin
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United States of America Patent
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May 24, 2011
Grant Date -
Mar 12, 2009
app pub date -
Sep 10, 2007
filing date -
Sep 10, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A roller pin of the type mounted on a tie bar that slides to drive the roller pin into engagement with a keeper of a casement window includes an inner pin and an outer roller. The outer roller includes an integral outer flange that is circular and spins with the outer roller to reduce friction during engagement with keeper. The inner pin includes an offset mounting pin at one end and is enlarged at the other end to hold the outer roller on the inner pin. The enlarged end of the inner pin is flush with the outer flange and is provided with a recessed opening that receives a tool, such as a screwdriver, to rotate the inner pin and adjust its position relative to the tie bar and a keeper. The invention is also directed to a tie bar and multiple roller pins in combination.
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