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. 16, 2004
Filed:
Aug. 30, 2001
Applicant:
Inventor:
Pradip Kumar Paul, Charlotte, NC (US);
Assignee:
Chicago Pneumatic Tool Company, Rock Hill, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C 9/02 ;
U.S. Cl.
CPC ...
B25C 9/02 ;
Abstract
Disclosed is a reciprocating pneumatic tool including first, second and third piston retaining mechanisms for preventing the piston from freely exiting the barrel of the tool when the retaining sleeve and workpiece are removed. The retaining mechanisms are located within the lower portion of the tool barrel, and do not interfere with normal operation of the tool.