Gardening tool

Abstract:

A cultivating tool having a blade made from steel sheet at least one-eighth of an inch thick. The blade has a front surface, a back surface, and at least one cutting edge. The blade is tapered from the cutting edge to the front surface to provide a wide, tapered, camming section and a relatively narrow cutting edge. The tapered, caiming section is at least one inch wide.

Citations

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Claims:

I claim:

1. A cultivating tool having an imperforate rectangular blade made from steel sheet at least one-eighth inch thick, connecting means on the back surface of the blade for use inconnecting a handle to the blade; at least one side of the blade having a cutting edge adjacent the back surface; the blade tapered from the cutting edge to the front surface to provide a wide tapered camming section and a relatively narrow cuttingedge; the tapered camming section having a width, measured from the cutting edge and in a direction transverse to the cutting edge, of at least one inch.

2. A cultivating tool as claimed in claim 1 including a relatively narrow, tapered, section formed in the wide, tapered, camming section; the narrow, tapered section being substantially narrower, in a direction measured transverse to thecutting edge, than the wide, tapered camming section, and extending from the cutting edge to make the cutting edge substantially thinner.

3. A cultivating tool as claimed in claim 2 wherein the second, tapered, section has an angled surface on the front surface of the blade.

4. A cultivating tool as claimed in claim 2 wherein the second, tapered, section has an angled surface on the back surface of the blade.

5. A cultivating tool having an imperforate blade made from steel sheet at least one-eighth inch thick, the blade having a front surface and a back surface; connecting means on the back surface of the blade for use in connecting a handle to theblade; the blade having a generally narrow, rectangular shape with one long side that is generally straight and with the other long side of the blade having teeth along its length; at least the one long straight side of the blade having a cut&g edgeadjacent the back surface; the blade tapered from the cutting edge to the front surface to provide a wide tapered camming section and a relatively narrow cutting edge; the tapered camming section having a width, measured from the cutting edge and in adirection transverse to the cutting edge, of at least one inch.

6. A cultivating tool as claimed in claim 5 wherein one short side of the blade is also generally straight.

7. A cultivating tool as claimed in claim 6 wherein the other short side of the blade is deeply notched to form two narrow fingers.

8. A cultivating tool as claimed in claim 7 wherein each of the other sides of the blade also has a cutting edge adjacent the back surface; the blade on each other side tapered from the cutting edge to the front surface to provide a widetapered camming section and a relatively narrow cutting edge; the tapered camming section on each of the other sides having a width measured from the cutting edge, and in a direction transverse to the cutting edge, of at least one inch.

9. A cultivating tool as claimed in claim 5 wherein each of the other sides of the blade also has a cutting edge adjacent the back surface; the blade on each other side tapered from the cutting edge to the front surface to provide a widetapered calming section and a relatively narrow cutting edge; the tapered camming section on each of the other sides having a width measured from the cutting edge, and in a direction transverse to the cutting edge, of at least one inch.

10. A cultivating tool as claimed in claim 5 including a relatively narrow, tapered, section formed in the wide, tapered, camming section; the narrow, tapered section being substantially narrower, in a direction measured transverse to thecutting edge, than the wide, tapered camming section, and extending from the cutting edge to make the cutting edge substantially thinner.

11. A cultivating tool as claimed in claim 10 wherein the second, tapered, section has an angled surface on the front surface of the blade.

12. A cultivating tool as claimed in claim 10 wherein the second, tapered, section has an angled surface on the back surface of the blade.

13. A cultivating tool having an imperforate blade made from steel sheet at least one-eighth inch thick, the blade having a front surface and a back surface; connecting means on the back surface of the blade for use in connecting a handle tothe blade; the blade having a pointed end defined by two diverging front sides, two short parallel back sides leading from the front sides, and a back end joining the back sides; at least one of the front sides or back end having a cutting edgeadjacent the back surface; the blade tapered from the cutting edge to the front surface to provide a wide tapered camming section and a relatively narrow cutting edge; the tapered camming section having a width measured from the cutting edge, and in adirection transverse to the cutting edge, of at least one inch.

14. A cultivating tool as claimed in claim 13 wherein the other of the front sides and back end each have a cutting edge adjacent the back surface; the blade at each of the other of the front sides and back end tapered from the cutting edge tothe front surface to provide a wide tapered camming section and a relatively narrow cutting edge; the tapered camming section having a width measured from the cutting edge, and in a direction transverse to the cutting edge, of at least one inch.

15. A cultivating tool as claimed in claim 13 including a relatively narrow, tapered, section formed in the wide, tapered, camming section; the narrow, tapered section being substantially narrower, in a direction measured transverse to thecutting edge, than the wide, tapered camming section, and extending from the cutting edge to make the cutting edge substantially thinner.

16. A cultivating tool as claimed in claim 15 wherein the second, tapered, section has an angled surface on the front surface of the blade.

17. A cultivating tool as claimed in claim 15 wherein the second, tapered, section has an angled surface on the back surface of the blade.

Patent number:
6311783
View patent at USPTO

Filing date:
March 8, 1999

Issue date:
November 6, 2001

Inventor:
William Harpell (Joyceville, Ontario, CA)

Primary Examiner:
Victor Batson

Attorney, Agent or Firm:

Current U.S. Classification: 172/371 172/375 172/380 30/353 30/355