Bar knob with integrated lock
AssigneeElectrolux Home Products, Inc.
InventorsWilliam Keeton, Paul Warfel
Life of this patent
Estimating the term…
Abstract
A retaining assembly is provided for a tensioning arrangement for adjusting the tension of the cutting chain in the chainsaw. The retaining assembly includes a knob body, a lock, and a lever. The lock and lever rotate about a common axis, which is perpendicular to an axis of rotation of the retaining assembly. The lock includes a tooth adapted to engage with teeth on a clutch cover of a chainsaw to lock the retaining assembly in place.
Claims14
A retaining assembly for adjusting a tension of a cutting chain of a chainsaw having an engine chassis, a clutch cover, and a guide bar for the cutting chain, the retaining assembly comprising:
- a rotatable knob operatively coupled to the engine chassis, the clutch cover, and the guide bar, wherein the knob is rotated about a rotational axis between a tightened position, in which the guide bar is fixed in place between the engine chassis and the clutch cover, and a loosened position, in which the guide bar is loosened and may be repositioned to adjust the tension of the cutting chain on the guide bar;
- a lock operatively coupled to the rotatable knob and having a least one locking member projecting in a direction that is parallel to an axis of rotation of the rotatable knob;
- and
- a lever operatively coupled to the rotatable knob and the lock such that movement of the lever moves the at least one locking member into and out of engagement with teeth provided on the clutch cover.
A retaining assembly for adjusting a tension of a cutting chain of a chainsaw comprising:
- rotatable means for repositioning a guide bar to adjust the tension of the cutting chain;
- locking means for engaging and disengaging with teeth on a clutch cover of the chainsaw in a direction parallel to an axis of rotation for the rotatable means;
- and
- lever means for pivoting the locking means to effect actuation of the locking means.
Dependencies are inferred from the claim text.