The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 11, 1990
Filed:
Aug. 01, 1988
Anthony Caracciolo, Jr, Troy, MI (US);
Wayne R Austin, Warren, MI (US);
Dante C Zuccaro, Allenton, MI (US);
Leonard P Pomrehn, Mt. Clemens, MI (US);
General Motors Corporation, Detroit, MI (US);
Abstract
An apparatus and method of a robot or like end-of-arm tool (EOAT) for gripping workpieces by cavities in the workpieces is provided. The EOAT is connected with the robot or like and includes an extendible rod having a generally flanged end opposite the robot. The EOAT also includes at least one spacer encircling the rod between the robot or like and the flanged end of the rod, and at least two elastomeric gripper portions encircling the rod and capturing at least one spacer. The gripper portions have a first dimension when the rod is extended whereby at least one of the gripper portions can be inserted into a workpiece cavity and the gripper portions have a second dimension when the rod is retracted whereby the gripper portions can engage with the workpiece cavity to grip the workpiece.