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.:

US 6786378 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 07, 2004

Filed:

Jan. 09, 2002
Applicant:
Inventors:

Mohamed K. Wagdy, Arlington Heights, IL (US);

Valery H. Vanstaan, Highland Park, IL (US);

Assignee:

Illinois Tool Works Inc., Glenview, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25C 1/04 ; B25C 1/08 ; F16L 5/500 ;
U.S. Cl.
CPC ...
B25C 1/04 ; B25C 1/08 ; F16L 5/500 ;
Abstract

An auxiliary elastomeric sealing adaptor is disclosed which effectively provides a high degree of sealing, and prevents fuel leakage, between the metering valve stem and the tool stem components of a fuel-cell powered fastener-driving tool despite bending, tilting, or pivotal movements of the metering valve stem attendant a fastener-firing operation. In addition, the incorporation of the elastomeric adaptor between the stem components reduces the need for high tolerance manufacturing techniques and also enhances the service lives of the stem components. The sealing adaptor is mounted upon the free or distal end portion of the metering valve stem and is seated within a counterbored region of the fastener-driving tool stem.


Find Patent Forward Citations

Wagdy, Mohamed. (2004). Fastener tool having auxiliary fuel cell metering valve stem seal adaptor (U.S. Patent No. 6786378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6786378

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