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:
Nov. 18, 1997
Filed:
Apr. 19, 1996
Applicant:
Inventors:
Yuji Dohi, Osaka, JP;
Ernest John Wendling, Vernon Hills, IL (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25C / ; B25C / ;
U.S. Cl.
CPC ...
227 10 ; 227-8 ; 227130 ;
Abstract
A gas type fastener driver 1 is supplied with electric power from an external power source 55 through an electric cord 53. When a trigger 45 is pulled to turn a switch 47 on, the external electric power is supplied to an ignition plug 17 to burn gas in a combustion chamber 14. Combustion gas pushes a piston 11 forward to drive a nail n by a driving rod 12 connected to the piston 11.