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:
Dec. 06, 1977
Filed:
Dec. 01, 1976
Applicant:
Inventors:
Lee Kindgren, Rockford, IL (US);
James P Swanson, Winnebago, IL (US);
Assignee:
W. A. Whitney Corporation, Rockford, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B26F / ;
U.S. Cl.
CPC ...
83368 ; 83560 ; 408 13 ;
Abstract
Punch presses are positioned for punching holes at selected vertical locations in the flanges of I-beams, angle irons and channels by apparatus which utilizes a movable probe to determine the initial position of the presses and which further utilizes a reversible counter and a comparator to stop the presses after they have moved a selected distance from their initial position.