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.

Date of Patent:
Jan. 27, 2009

Filed:

Jan. 10, 2005
Applicants:

Rodney W. Tynes, Shreveport, LA (US);

Paul A. Warfel, Texarkana, TX (US);

Dennis S. Zapanta, Wake Village, TX (US);

Inventors:

Rodney W. Tynes, Shreveport, LA (US);

Paul A. Warfel, Texarkana, TX (US);

Dennis S. Zapanta, Wake Village, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27B 17/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bar adjustment assembly for a chain saw includes a shaft, a bar adjustment pin that is journalled for rotation relative to the shaft, and a pin alignment spring that biases the pin toward an engagement position. A void is provided for accommodating the pin as it is rotated away from the engagement position by a guide bar that has been incorrectly attached.


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