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:
Jul. 08, 1986
Filed:
Jul. 23, 1984
Applicant:
Inventors:
Lanson Y Shum, Silver Spring, MD (US);
Brian D Ottinger, Penn Hills, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J / ;
U.S. Cl.
CPC ...
294106 ; 294 864 ; 901 31 ; 901 38 ;
Abstract
In a gripper device including a power frame of a motor 10, shaft 12, sun gear 14, planetary gear 16, gripper assembly shaft 18, gripper lever 20, gripper finger 22, a clutch 24 is interposed in the power train to each gripper finger and is controlled to provide a low force coupling transmittal when the fingers are moved in a position to contact the object 26 to be gripped, and after all fingers have contacted the object, the clutch provides for the transmittal of a relatively higher force adequate to permit handling the object without slipping.