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:
Nov. 23, 1999

Filed:

Oct. 12, 1998
Applicant:
Inventors:

Duane M Gibson, Milwaukie, OR (US);

Christopher David Seigneur, West Linn, OR (US);

Assignee:

Blount, Inc., Portland, OR (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01G / ; B23B / ;
U.S. Cl.
CPC ...
37302 ; 144 341 ; 144-41 ; 30387 ;
Abstract

A guide bar mounting arrangement for a tree harvester. The tail end of the guide bar is provided with a center slot and pin receiving slot at each side thereof. A sliding block has a center boss and pins permanently or removably mounted therein at the sides of the boss and the combination is slidably mounted in a fixture or base member fixedly secured to the harvester adjacent a drive sprocket. The guide bar is fitted to the sliding block center slot receiving a center boss of the sliding block and the pin receiving slots engaging the pins of the sliding block. A saw chain is entrained around the guide bar and drive sprocket and the sliding block moved relative to the sprocket to tension the saw chain. The sliding block is forced against the base member to clamp the bar in position.


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