Adjustable stroke mechanism for a scotch yoke assembly
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United States of America Patent
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Mar 19, 2002
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N/A
app pub date -
Apr 24, 2000
filing date -
Apr 24, 2000
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Abstract
A scotch yoke mechanism for converting rotational movement into reciprocating linear movement and having an adjustable stroke length. The scotch yoke mechanism includes a stroke length toggle eccentrically connected to a cam such that the stroke length toggle may assume one of first and second positions. The first position defines a first stroke length which is shorter than a second stroke length defined by said second position. Rotational movement of the cam causes the stroke length toggle to assume the first position when the cam is rotated in a first direction to assume the second position when the cam is rotated in a second direction opposite the first direction.
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