IP Library › Granted Patent US 11,685,065
Granted Patent B2
US 11,685,065 · App. 17/137,492 · Granted Jun 27, 2023

Knife apparatus and method

Inventor: Wei Zhang (Guangdong, CN)
Assignee: MASTER CUTLERY LLC
B26B5/00B25G1/06B25G3/36
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Quick Facts
Patent No.
US 11,685,065
App. No.
17/137,492
Granted
Jun 27, 2023
Kind
B2
Abstract

An apparatus including left and right handle portions; a first blade portion; a first device; and a fastener. The fastener may be configured to connect in a first state, first ends of the left handle portion, the right handle portion, and the first blade portion to each other, with the first blade portion sandwiched between the left and right handle portions. The first device may be configured to connect second ends of the left and right handle portions and an intermediate part of the first blade portion. In at least one embodiment, in the first state the left and right handle portions, and the first blade portion are fixed to each other so that their orientation with respect to one another cannot be changed without disconnecting the fastener so that it no longer connects the first ends of the left and right handle portions, and the first blade portion.

Claims (82)

1. An apparatus comprising:

a left handle portion;

a right handle portion;

a first blade portion;

a first device;

and

a fastener;

wherein the fastener is configured to connect in a first state, first ends of the left handle portion, the right handle portion, and the first blade portion to each other, with the first blade portion sandwiched between the left handle portion and the right handle portion;

wherein the first device is configured to connect second ends of the left handle portion and the right handle portion and an intermediate part of the first blade portion;

wherein in the first state the left handle portion, the right handle portion, and the first blade portion are fixed to each other so that their orientation with respect to one another cannot be changed without disconnecting the fastener so that it no longer connects the first ends of the left handle portion, the right handle portion, and the first blade portion;

wherein removal of the fastener from the left handle portion, the first blade portion, and the right handle portion, allows the left handle portion to rotate with respect to the first blade portion and the right handle portion, while the left handle portion is connected to the first blade portion and the right handle portion;

wherein the first device includes a first plate fixed to the left handle portion, and a protrusion fixed to the right handle portion; and

wherein after removal of the fastener, rotation of the left handle portion with respect to the first blade portion and the right handle portion allows the protrusion to line up with a slot in the first plate to thereby allow the removal of the left handle portion from the first blade portion and the right handle portion.

2. The apparatus of claim 1 wherein

after removal of the fastener, with the left handle portion oriented to be at an angle with respect to the first blade portion and the right handle portion, the left handle portion and the right handle portion are configured to be separated from the first blade portion and from each other.

3. The apparatus of claim 1 wherein

in the first state, the protrusion is substantially perpendicular to the slot of the first plate, thereby preventing the left handle portion from being separated from the first blade portion and the right handle portion.

4. The apparatus of claim 1 wherein

the protrusion is inserted through an opening in the first blade portion and through an opening in the first plate to thereby connect the second ends of the left handle portion and the right handle portion, and the intermediate part of the first blade portion, with the first blade portion sandwiched between the left handle portion and the right handle portion.

5. An apparatus comprising:

a left handle portion;

a right handle portion;

a first blade portion;

a first device;

and

a fastener;

wherein the fastener is configured to connect in a first state, first ends of the left handle portion, the right handle portion, and the first blade portion to each other, with the first blade portion sandwiched between the left handle portion and the right handle portion;

wherein the first device is configured to connect second ends of the left handle portion and the right handle portion and an intermediate part of the first blade portion;

wherein in the first state the left handle portion, the right handle portion, and the first blade portion are fixed to each other so that their orientation with respect to one another cannot be changed without disconnecting the fastener so that it no longer connects the first ends of the left handle portion, the right handle portion, and the first blade portion;

wherein removal of the fastener from the left handle portion, the first blade portion, and the right handle portion, allows the left handle portion to rotate with respect to the first blade portion and the right handle portion, while the left handle portion is connected to the first blade portion and the right handle portion;

wherein

the fastener is inserted through an opening in the first blade portion and through an opening of the left handle portion to thereby connect the first ends of the left handle portion, the right handle portion, and the first blade portion, with the first blade portion sandwiched between the left handle portion and the right handle portion, in the first state.

6. The apparatus of claim 1 wherein

the left handle portion, the right handle portion, and the first blade portion are substantially parallel to each other in the first state.

7. An apparatus comprising:

a left handle portion;

a right handle portion;

a first blade portion;

a first device;

and

a fastener;

wherein the fastener is configured to connect in a first state, first ends of the left handle portion, the right handle portion, and the first blade portion to each other, with the first blade portion sandwiched between the left handle portion and the right handle portion;

wherein the first device is configured to connect second ends of the left handle portion and the right handle portion and an intermediate part of the first blade portion;

wherein in the first state the left handle portion, the right handle portion, and the first blade portion are fixed to each other so that their orientation with respect to one another cannot be changed without disconnecting the fastener so that it no longer connects the first ends of the left handle portion, the right handle portion, and the first blade portion;

wherein removal of the fastener from the left handle portion, the first blade portion, and the right handle portion, allows the left handle portion to rotate with respect to the first blade portion and the right handle portion, while the left handle portion is connected to the first blade portion and the right handle portion; and

further comprising

a second blade portion;

wherein the first blade portion is configured to be detached from the left handle portion and the right handle portion;

wherein the second blade portion is configured to replace the first blade portion and to be attached to the left handle portion and the right handle portion;

wherein the fastener is configured to connect in a second state, first ends of the left handle portion, the right handle portion, and the second blade portion to each other, with the second blade portion sandwiched between the left handle portion and the right handle portion;

wherein the first device is configured to connect second ends of the left handle portion and the right handle portion and an intermediate part of the second blade portion;

wherein in the second state the left handle portion, the right handle portion, and the second blade portion are fixed to each other so that their orientation with respect to one another cannot be changed without disconnecting the fastener so that it no longer connects the first ends of the left handle portion, the right handle portion, and the second blade portion; and

and wherein removal of the fastener from the left handle portion, the right handle portion, and the second blade portion allows the left handle portion to rotate with respect to the second blade portion and the right handle portion, while the left handle portion is connected to the second blade portion and the right handle portion.

8. A method comprising the steps of:

fixing a left handle portion, a right handle portion, and a first blade portion together in a first state by use of fastener and a first device so that the left handle portion, the right handle portion, and the first blade portion are fixed in orientation and position with respect to each other;

removing the fastener from the left handle portion, the right handle portion, and the first blade portion; and

rotating the left handle portion with respect to the right handle portion and the first blade portion, while the left handle portion, the right handle portion and the first blade portion are connected together;

wherein the fastener is configured to connect in the first state, first ends of the left handle portion, the right handle portion, and the first blade portion to each other, with the first blade portion sandwiched between the left handle portion and the right handle portion;

wherein the first device is configured to connect second ends of the left handle portion and the right handle portion and an intermediate part of the first blade portion;

wherein in the first state the left handle portion, the right handle portion, and the first blade portion are fixed to each other so that their orientation with respect to one another cannot be changed without disconnecting the fastener so that it no longer connects the first ends of the left handle portion, the right handle portion, and the first blade portion; and

and wherein removal of the fastener from the left handle portion, the first blade portion, and the right handle portion, allows the left handle portion to rotate with respect to the first blade portion and the right handle portion, while the left handle portion is connected to the first blade portion and the right handle portion.

9. The method of claim 8 wherein

separating the left handle portion and the right handle portion from each other and from the first blade portion after removal of the fastener, with the left handle portion oriented to be at an angle with respect to the first blade portion and the right handle portion.

10. The method of claim 8 wherein

the first device includes a first plate fixed to the left handle portion, and a protrusion fixed to the right handle portion; and

wherein after removal of the fastener, rotation of the left handle portion with respect to the first blade portion and the right handle portion allows the protrusion to line up with a slot in the first plate to thereby allow the removal of the left handle portion from the first blade portion and the right handle portion.

11. The method of claim 10 wherein

in the first state, the protrusion is substantially perpendicular to the slot of the first plate, thereby preventing the left handle portion from being separated from the first blade portion and the right handle portion.

12. The method of claim 10 wherein

the protrusion is inserted through an opening in the first blade portion and through an opening in the first plate to thereby connect the second ends of the left handle portion and the right handle portion, and the intermediate part of the first blade portion, with the first blade portion sandwiched between the left handle portion and the right handle portion.

13. The method of claim 8 wherein

the fastener is inserted through an opening in the first blade portion and through an opening of the left handle portion to thereby connect the first ends of the left handle portion, the right handle portion, and the first blade portion, with the first blade portion sandwiched between the left handle portion and the right handle portion, in the first state.

14. The method of claim 8 wherein

the left handle portion, the right handle portion, and the first blade portion are substantially parallel to each other in the first state.

15. The method of claim 8 further comprising

detaching the first blade portion from the left handle portion and the right handle portion;

replacing the first blade portion with a second blade portion;

attaching the second blade portion to the left handle portion and the right handle portion;

wherein the fastener is configured to connect in a second state, first ends of the left handle portion, the right handle portion, and the second blade portion to each other, with the second blade portion sandwiched between the left handle portion and the right handle portion;

wherein the first device is configured to connect second ends of the left handle portion and the right handle portion and an intermediate part of the second blade portion;

wherein in the second state the left handle portion, the right handle portion, and the second blade portion are fixed to each other so that their orientation with respect to one another cannot be changed without disconnecting the fastener so that it no longer connects the first ends of the left handle portion, the right handle portion, and the second blade portion; and

and wherein removal of the fastener from the left handle portion, the right handle portion, and the second blade portion allows the left handle portion to rotate with respect to the second blade portion and the right handle portion, while the left handle portion is connected to the second blade portion and the right handle portion.

Assignments (2)
SECURITY INTEREST Recorded May 18, 2022
From: MASTER CUTLERY, LLC
To: AVIDBANK
Reel/Frame 059952/0101 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 30, 2020
From: ZHANG, WEI
To: MASTER CUTLERY LLC
Reel/Frame 054773/0193 →
Priority Claims (1)
CN 202020002879.4 · Jan 2, 2020 · national
Continuity (1)
Related Publication 20210206007A1 · Jul 8, 2021