Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuji Takahashi0
Date of Patent
September 4, 2007
0Patent Application Number
105581270
Date Filed
May 26, 2004
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
When suction/release-passage-internal pressure Pin is equal to or less than a suction detection pressure Pj, a suction of a workpiece is detected and a transfer operation is started. As long as the suction/release-passage-internal pressure Pin does not rise to pressure having an upper limit value or more of the drop detection range during a transfer, it is recognized that the workpiece is not dropped from the sucker. The drop detection range is computed by adding predetermined allowable deflection width ΔD to the suction/release-passage-internal pressure Pin that is read as reference pressure under the condition that the workpiece is sucked by the sucker.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.