ADJUSTING DEVICE ON AN OPTICAL INSTRUMENT
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United States of America Patent
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app pub date -
Feb 18, 2014
filing date -
Aug 18, 2011
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Abstract
An adjusting device for linearly displacing an assembly has a rotary knob rotatable in first and second rotary directions. A gear unit rapidly displaces the assembly in a first linear direction when the rotary knob is rotated in the first rotary direction and slowly displaces the assembly in a second linear direction opposite the first linear direction when the rotary knob is rotated in the second rotary direction over a defined rotation angle.
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