Controller for supporting workpieces on an operating machine
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United States of America Patent
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N/A
Issued Date -
Mar 1, 2012
app pub date -
Oct 5, 2010
filing date -
Aug 25, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A controller is provided for machining devices of the type having a workpiece support table with a plurality of vacuum support devices mounted thereon for heightwise movement between an active raised position and an inactive lowered position. The controller includes at least one hydropneumatic actuator operably connected with the vacuum support devices, and shifting the same between the raised and lowered positions. A synchronization bar has at least one lock member that selectively engages and displaces heightwise in unison and at the same time each of the vacuum support devices operated by the hydropneumatic actuator.
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