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US 10,850,421 B2Granted
Rotatable blade with replaceable cutting edges
AssigneePuntoni Products LLC
InventorPatrick G. Puntoni
Life of this patent
Estimating the term…
Abstract
The present disclosure provides rotatable blades with easily replaceable cutting edges, and methods of making and using same.
Claims17
A rotatable blade comprising:
- a carrier portion having
- a first long edge, and
- a first end portion including an angled finger;
- and
- a replaceable cutting edge removably associated with the first long edge and the first end portion, the replaceable cutting edge comprising:
- a retaining slot disposed on a first longitudinal edge and configured to removably mate with the first long edge of the carrier portion,
- a tapered cutting edge disposed along a second longitudinal edge opposite the first longitudinal edge, and
- an angled receiving slot disposed along the first longitudinal edge configured to removably mate with the angled finger.
5 more elements
A rotatable carrier comprising:
- at least one inwardly-angled receiving slot disposed along a first edge and configured to receive an outwardly-angled finger of a replaceable cutting edge;
- and
- at least one inwardly-angled finger disposed along the first edge and configured to reversibly mate with an outwardly-angled receiving slot of the replaceable cutting edge.
A replaceable cutting edge comprising:
- a tapered cutting edge disposed along a first longitudinal edge;
- a retaining slot along at least a portion of a second longitudinal edge opposite the first longitudinal edge and configured to reversibly mate with an edge of a rotatable carrier;
- a retaining mechanism notch disposed adjacent the second longitudinal edge and configured to reversibly receive a retaining mechanism;
- and
- an angled receiving slot configured to reversibly mate with an angled finger of a rotatable carrier.
2 more elements
Dependencies are inferred from the claim text.