Quick-change blade system
AssigneeHusqvarna AB
InventorsChris Roth, Darren Chandler, Lennie Rhoades, Steve Brinkman, Sean Dwyer
Life of this patent
Estimating the term…
Abstract
A lawn care device may include a cutting deck housing at least one blade, a rotatable shaft, and a blade mount operably coupled to the rotatable shaft. The blade mount may include at least one engagement slot configured to enclose at least a portion of the at least one blade. The blade mount may further include at least one protruding member disposed within the engagement slot to secure the at least one blade within the engagement slot responsive to insertion of the at least one blade into the engagement slot.
Claims20
A lawn care device comprising:
- a cutting deck housing at least one blade;
- a rotatable shaft;
- and
- a blade mount operably coupled to the rotatable shaft, the blade mount comprising at least one engagement slot configured to enclose at least a portion of the at least one blade, the blade mount further comprising at least one protruding member disposed within the engagement slot to engage at least one alignment slot disposed in the at least one blade offset relative to a longitudinal centerline of the at least one blade to secure the at least one blade within the engagement slot responsive to insertion of the at least one blade into the engagement slot.
A blade mount configured to couple a blade to a rotatable shaft, the blade mount comprising:
- at least one engagement slot configured to enclose at least a portion of the blade;
- and
- at least one protruding member disposed within the engagement slot to engage at least one alignment slot disposed in the blade offset relative to a longitudinal centerline of the blade to secure the blade within the engagement slot responsive to insertion of the blade into the engagement slot.
A cutting blade for a lawn mower, the blade comprising:
- a top face;
- a bottom face;
- and
- at least one alignment slot forming a cutout portion of the blade passing from one of the top face or bottom face toward the other of the top face or the bottom face, the at least one alignment slot being disposed spaced apart from an axis of rotation of the blade to receive a corresponding protruding member of a blade mount configured to hold the blade, via engagement of the protruding member with the at least one alignment slot, at a portion of the blade other than at the axis of rotation during rotation of the blade responsive to operation of the lawn mower, wherein the at least one alignment slot is disposed to be offset relative to a longitudinal centerline of the blade.
Dependencies are inferred from the claim text.