Diver's knife and cutting tool

• US 20110061503A1
• Filed: 08/23/2010
• Published: 03/17/2011
• Est. Priority Date: 08/22/2009
• Status: Active Grant

• Current Assignee: Eezycut, LLC
• Original Assignee: Eezycut Co.
• Inventors: Mayes, Laura Jane
• Granted Patent: US 9,346,177 B2
• Time in Patent Office: Days
• US Class Current: 83/13
• CPC Class Codes: B26B 5/00 Hand knives with one or more detachable blades
• CPC Class Codes: B26B 9/02 characterised by the shape of the cutting edge, e.g. wavy
• CPC Class Codes: B63C 11/02 Divers' equipment
• CPC Class Codes: B63C 11/52 Tools specially adapted for working underwater, not otherwise provided for
• CPC Class Codes: Y10T 83/04 Processes

Abstract

A diver'"'"'s knife that includes a casing with a bottom portion, a top half and a bottom half, a handle slot disposed on bottom portion of casing to allow a user to grasp diver'"'"'s knife, a single-sided cutting blade to cut a line with a cutting edge with a top end and a blade aperture, with the single-sided cutting blade being sandwiched between top half and bottom half of casing. The diver'"'"'s knife also includes a slot disposed on a side of casing to receive a line to be cut by an exposed single-sided cutting blade with cutting edge and an fastener to secure top half of casing, single-sided cutting blade and bottom half of casing together to form diver'"'"'s knife. The diver'"'"'s knife can also be double-sided to cut the line from both sides.

Claims

1. A knife comprising:

a cutting blade with at least one cutting edge;

a protective overhang located opposite the cutting blade having a convex edge shaped to bulge inward toward the cutting edge for directing a line into the blade.

2. The knife according to claim 1, further comprising a casing including at least the overhang, and

a portion for holding the blade that is attached to the overhang.

3. The knife of claim 1, further comprising a casing including at least

a top half, and

a bottom half that is a separate piece removably attached to the top half;

the cutting blade being sandwiched between the top half and bottom half leaving the cutting edge exposed.

4. The knife according to claim 3, wherein the casing having a noncircular socket;

the knife further comprising;

a fastener having a cylindrical body with a non-circular head, the non-circular head mates with the non-circular socket, the fastener secures the top half of the casing to the bottom half of the casing.

5. The knife according to claim 3, the knife further comprising

a nut;

the noncircular socket being on one side of the casing and the nut being located on another side of the casing;

the blade having an aperture;

the fastener extends through the noncircular socket through the aperture, and attaches to the nut.

6. The knife according to claim 1, further comprising a protective film coating the blade.

7. The knife according to claim 1, the cutting edge being first cutting edge, the knife further comprising a second cutting edge on the blade, the second cutting edge being on an edge of the blade that is opposite the first cutting edge.

8. The knife according to claim 6, wherein cutting edges are each provided with a protective overhang.

9. The knife according to claim 8, wherein top of each protective overhang is located opposite each cutting edge.

10. The knife according to claim 9, wherein each protective overhang has a groove facing the blade on opposite that overhang.

11. A method comprising:

placing a line to be cut into an opening that opens into a slot;

moving the line into the slot, the slot having a directing edge opposite a cutting blade;

pulling the line away from the opening; and

the directing edge guiding the line into the cutting blade.

12. The method according to claim 11, wherein the cutting blade is part of a handheld knife the directing edge has a convex shape.

13. The method according to claim 11, the opening being a first opening and the cutting edge being a first cutting edge, the method further comprising determining whether to place the line into the first opening and cut the line with the first cutting edge or place the line into a second opening and cut the line with a first cutting edge.

14. A method of construction, comprising:

forming a blade;

forming a casing having a body and an arm that hangs over a portion of a side of the body, arm having an edge facing the side of the body, edge having a convex shape;

placing the blade in the body of casing such that a cutting edge of the blade faces the arm.

15. The method according to claim 14,

the forming of the casing further including forming a top half and a second half;

the placing of the blade in the body of the casing further including placing the blade on an inner side of one of the first half and the second half of the casing and securing another of the other of the first half and second half of the casing to one another.

16. The method according to claim 15, the securing including at least placing a fastener through the casing securing the first half to the second half, the fastener having a cylindrical body that is passed through the casing and a noncircular head;

the casing having a noncircular socket;

placing the fastener through the casing includes at least placing the noncircular head into the noncircular socket such that the head mates with the noncircular socket.

17. The method according to claim 16, wherein blade including two cutting edges.