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:
May. 14, 1991
Filed:
Dec. 01, 1989
Applicant:
Inventor:
Charles F Smart, Danbury, CT (US);
Assignee:
Emhart Industries, Inc., Towson, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21J / ;
U.S. Cl.
CPC ...
227-6 ; 227112 ; 227117 ;
Abstract
An automatic riveting machine determines that an operator has manually removed a rivet from the nose of the gun by sensing its insertion into the nose and its subsequent absence prior to gun operation.