IP Library › Granted Patent US 7,121,022
Granted Patent B2
US 7,121,022 · App. 10/815,471 · Granted Oct 17, 2006

Cam action locking assembly

Assignee: Berkeley Forge and Tool, Inc.
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Quick Facts
Patent No.
US 7,121,022
App. No.
10/815,471
Granted
Oct 17, 2006
Kind
B2
Abstract

A locking assembly is disclosed. The locking assembly is for coupling a first member including a receiving area, and a second member having a receiving region. The locking system includes an interference element including an interfering portion that is received within the receiving area of the first member when the locking system couples the first member and the second member together, a biasing element, a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or an unbiased position, and a wedge shaped structure.

Claims (53)

1. A locking assembly for coupling a first member including a receiving area, and a second member having a receiving region, the locking system comprising:

(a) an interference element including an interfering portion that is received within the receiving area of the first member when the lacking system couples the first member and the second member together;

(b) a biasing element;

(c) a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or ax unbiased position; and

(d) a wedge shaped structure, wherein the wedge shaped structure is configured to be received in the receiving region of the second member, and wherein movement of the wedge shaped structure in a first forward direction moves the interfering portion of the interference element upward into the receiving area of the first member and wherein movement of the wedge shaped structure in a second backward direction causes the interfering portion of the interference element to move downward out of the receiving area of the first member.

2. The locking assembly of claim 1 wherein the first member is a tooth and the second member is an adapter.

3. A locking assembly for coupling a first member including a receiving area, and a second member having a receiving region, the locking system comprising:

(a) an interference element including an interfering portion that is received within the receiving area of the first member when the locking system couples the first member and the second member together;

(b) a biasing element;

a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or an unbiased position; and

(d) a wedge shaped structure, wherein the wedge shaped structure is configured to be received in the receiving region of the second member, and wherein movement of the wedge shaped structure in a first direction moves the interfering portion of the interference element into the receiving area of the first member and wherein movement of the wedge shaped structure in a second direction causes the interfering portion of the interference element to move out of the receiving area of the first member, wherein the cam includes a main portion including a recess and a pin coupled to the main portion.

4. A locking assembly for coupling a first member including a receiving area, and a second member having a receiving region, the locking system comprising:

(a) an interference element including an interfering portion that is received within the receiving area of the first member when the locking system couples the first member and the second member together;

(b) a biasing element;

(c) a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or an unbiased position; and

(d) a wedge shaped structure, wherein the wedge shaped structure is configured to be received in the receiving region of the second member, and wherein movement of the wedge shaped structure in a first direction moves the interfering portion of the interference element into the receiving area of the first member and wherein movement of the wedge shaped structure in a second direction causes the interfering portion of the interference element to move out of the receiving area of the first member, further comprising a plunger between the biasing element and a portion of the wedge shaped structure.

5. A locking assembly for coupling a first member including a receiving area, and a second member having a receiving region, the locking system comprising:

(a) an interference element including an interfering portion that is received within the receiving area of the first member when the locking system couples the first member and the second member together;

(b) a biasing element;

(c) a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or an unbiased position; and

(d) a wedge shaped structure, wherein the wedge shaped structure is configured to be received in the receiving region of the second member, and wherein movement of the wedge shaped structure in a first direction moves the interfering portion of the interference element into the receiving area of the first member and wherein movement of the wedge shaped structure in a second direction causes the interfering portion of the interference element to move out of the receiving area of the first member, wherein the interference element includes a sealing portion.

6. A locking assembly for coupling a first member including a receiving area, and a second member having a receiving region, the locking system comprising:

(a) an interference element including an interfering portion that is received within the receiving area of the first member when the locking system couples the first member and the second member together;

(b) a biasing element;

(c) a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or an unbiased position; and

(d) a wedge shaved structure, wherein the wedge shaped structure is configured to be received in the receiving region of the second member, and wherein movement of the wedge shaped structure in a first direction moves the interfering portion of the interference element into the receiving area of the first member and wherein movement of the wedge shaped structure in a second direction causes the interfering portion of the interference element to move out of the receiving area of the first member, further comprising an o-ring around a main portion of the cam.

7. A locking system comprising:

(a) a first member including a receiving area;

(b) a second member including a receiving region; and

(c) a locking assembly for coupling the first member and the second member having a receiving region, wherein the locking system comprises (i) an interference element including an interfering portion that is received within the receiving area of the first member when the locking assembly couples the first member and the second member together, (ii) a biasing element, (iii) a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or an unbiased position, and (iv) a wedge shaped structure, wherein the wedge shaped structure is configured to be received in the receiving region of the second member, and wherein movement of the wedge shaped structure in a first forward direction moves the interfering portion of die interference element upward into the receiving area of the first member and wherein movement of the wedge shaped structure in a second backward direction causes the interfering portion of the interference element to move downward out of the receiving area of the first member.

8. The locking system of claim 7 wherein the first member is a tooth and the second member is an adapter.

9. The locking system of claim 7 wherein the cam includes a main portion including a recess and a pin coupled to the main portion.

10. The locking system of claim 7 comprising a plunger between the biasing element and a portion of the wedge shaped structure.

11. The locking assembly of claim 7 wherein the interference element includes a sealing portion.

12. The locking assembly of claim 7 further comprising an o-ring around a first portion of the cam.

13. A method of using a locking system comprising:

(a) obtaining a first member including a receiving area;

(b) obtaining a second member including a receiving region; and

(c) using a locking assembly to couple the first and second members together,

wherein the locking assembly comprises (i) an interference element including an interfering portion that is received within the receiving area of the first member when the locking system couples the first member and the second member together, (ii) a biasing element, (iii) a cam, wherein the cam is adapted to cause the biasing element to be in a biased position or an unbiased position, and (iv) a wedge shaped structure, wherein the wedge shaped structure is configured to be received in the receiving region of the second member, and wherein movement of the wedge shaped structure in a first forward direction moves the interfering portion of the interference element upward into the receiving area of the first member and wherein movement of the wedge shaped structure in a second backward direction causes the interfering portion of the interference element to move downward out of the receiving area of the first member.

14. The method of claim 13 wherein the first member is a tooth and the second member is an adapter.

15. The method of claim 13 wherein the cam includes a main portion including a recess and a pin coupled to the main portion.

16. The method of claim 13 comprising a plunger between the biasing element and a portion of the wedge shaped structure.

17. The method of claim 13 wherein the interference element includes a sealing portion.

18. The method of claim 13 further comprising an o-ring around a first portion of the cam.

19. A locking system comprising:

the locking assembly of claim 3 ;

the first member, wherein the first member is a tooth; and

the second member, wherein the second member is an adapter, and wherein the first member and the second member are secured together with the locking assembly.

20. A locking system comprising:

the locking assembly of claim 4 ;

the first member, wherein the first member is a tooth; and

the second member, wherein the second member is an adapter, and wherein the first member and the second member are secured together with the locking assembly.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 29, 2022
From: BIERWITH, ROBERT
To: BERKELEY FORGE & TOOL INC.
Reel/Frame 061913/0484 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 29, 2022
From: BERKELEY FORGE & TOOL INC.
To: CR MINING EQUIPMENT (USA) LLC
Reel/Frame 061913/0619 →
Continuity (1)
Related Publication 20050229443A1 · Oct 20, 2005