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:
Mar. 10, 1992
Filed:
Oct. 13, 1989
Applicant:
Inventor:
John R Nasiatka, Northbrook, IL (US);
Assignee:
Duo-Fast Corporation, Franklin Park, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C / ;
U.S. Cl.
CPC ...
227156 ; 227130 ;
Abstract
A guide for use with a fastener driving tool which positions the fastener driving tool with respect to the workpiece and also controls the degree of penetration of the fastener with respect to the workpiece to allow for contraction and expansion of the workpiece due to temperature changes. The guide includes a rigid U-shaped member which may be attached to either a wire type or flat type safety yoke.