Chain saw
AssigneeMakita Corporation
InventorsDaisuke SUZUKI, Kosuke AISO
Life of this patent
Estimating the term…
Abstract
A chain saw may include: a guide bar extending in a front-rear direction; a sprocket; a prime mover configured to rotate the sprocket about a rotation axis extending in a left-right direction; a brake drum configured to rotate integrally with the sprocket; a body housing which accommodates the prime mover; a sprocket cover covering the sprocket; and a cover member disposed between the body housing and the guide bar. When viewed in an upper cross section which extends in the front-rear direction and the left-right direction and includes an upper rear end of the guide bar, the cover member may be in contact or is nearly in contact with a surface of the guide bar which faces the body housing and a rear end of the cover member may be positioned rearward of a rear end of the guide bar.
Claims8
A chain saw comprising:
- a saw chain;
- a guide bar extending in a front-rear direction and to which the saw chain is attached;
- a sprocket configured to have the saw chain run along a periphery of the guide bar;
- a prime mover configured to rotate the sprocket about a rotation axis extending in a left-right direction;
- a brake drum configured to rotate integrally with the sprocket;
- a body housing which accommodates the prime mover;
- a sprocket cover covering the sprocket;
- and
- a cover member disposed between the body housing and the guide bar,
- wherein when viewed in an upper cross section which extends in the front-rear direction and the left-right direction and includes an upper rear end of the guide bar, the cover member is in contact or is nearly in contact with a surface of the guide bar which faces the body housing, and a rear end of the cover member is positioned rearward of a rear end of the guide bar.
Dependencies are inferred from the claim text.