PRESS SHUTHEIGHT ADJUSTMENT USING BOLSTER HYDRAULIC TIE ROD ASSEMBLIES
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United States of America Patent
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Aug 10, 2004
Grant Date -
Aug 19, 2004
app pub date -
Feb 13, 2003
filing date -
Feb 13, 2003
priority date (Note) -
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Abstract
A shutheight adjustment system incorporating tie rods and accompanying hydraulic tie rod nut assemblies in connecting a bed to a bolster of a mechanical press for dynamically altering the tensioning of the tie rods. Each hydraulic tie rod nut assembly includes a cylinder with an inner sliding piston threadably engaging the tie rod. A pressurizing mechanism injects pressurized fluid within a chamber formed by the piston and cylinder. By increasing pressure within the chamber of the hydraulic tie rod nut assembly, compression between the press bed and press bolster may be increased, thereby increasing the press shutheight.
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