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. 07, 2025

Filed:

Sep. 22, 2022
Applicant:

Makita Corporation, Anjo, JP;

Inventors:

Hideki Kachi, Anjo, JP;

Tsunahisa Nakamura, Anjo, JP;

Assignee:

MAKITA CORPORATION, Anjo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27B 17/00 (2006.01); B23D 57/02 (2006.01); B23D 59/00 (2006.01); B27B 17/02 (2006.01); B27G 3/00 (2006.01);
U.S. Cl.
CPC ...
B27B 17/0008 (2013.01); B23D 57/023 (2013.01); B23D 59/006 (2013.01); B27B 17/02 (2013.01); B27G 3/00 (2013.01);
Abstract

A chainsaw may include a saw chain; a guide bar, a sprocket, a prime mover, a housing, a sprocket cover, and a guide member. The guide bar, the housing and the sprocket cover may define a chain passage. The guide member may include a first facing surface having an arc shape centered on the rotation axis and a second facing surface having an arc shape centered on a position offset from the rotation axis. When the chainsaw is placed on a horizontal mounting surface and viewed in the direction along the rotation axis, an angle between (i) a straight line connecting the rotation axis and a position where the first facing surface and the second facing surface are connected and (ii) a horizontal plane may be in a range of −10 degrees to 25 degrees.


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