Pliers

• US 20030196526A1
• Filed: 04/19/2002
• Published: 10/23/2003
• Est. Priority Date: 04/19/2002
• Status: Abandoned Application

• Current Assignee: Pang-Chung Wang
• Original Assignee: Pang-Chung Wang
• Inventors: Wang, Pang-Chung
• Application Number:
  US10/126,136
• Publication Number:
  US 20030196526A1
• Time in Patent Office: Days
• US Class Current: 81/367
• CPC Class Codes: B25B 13/40 by toggle links
• CPC Class Codes: B25B 7/02 Jaws
• CPC Class Codes: B25B 7/123 with self-locking toggle levers

Abstract

A pair of pliers including a first handle, a bolt movably mounted on the first handle, a first jaw secured to the first handle, a second jaw linked to the first handle, a spring connected between the first handle and the second jaw, a second handle linked to the second jaw, a strut linked to the second handle at an end and abutting the bolt at another end, and a lever linked to the second handle for control over the strut. The first jaw includes a tooth formed thereon and a flat edge formed next to the tooth. The second jaw includes a tooth and a concave edge formed next to the tooth thereof.

Claims

1. A pair of pliers including a first handle (20), a bolt (23) movably mounted on the first handle, a first jaw (30;

30′

;

30″

) secured to the first handle, a second jaw (40;

40′

;

40″

) linked to the first handle, a spring (70) connected between the first handle and the second jaw, a second handle (50) linked to the second jaw, a strut (60) linked to the second handle at an end and abutting the bolt at another end, and a lever (80) linked to the second handle for driving the strut, wherein the first jaw includes a tooth (32) formed thereon and a flat edge (33) formed next to the tooth, where the second jaw includes a tooth (42) formed thereon and a concave edge (43) formed next to the tooth (42) of the second jaw.

2. The pair of pliers according to claim 1 wherein the first handle includes a first section (21) to which the first jaw is secured and a second section (22) on which the bolt is movably mounted.

3. The pair of pliers according to claim 2 wherein the second section of the first handle defines a window (25) through which a tip of the bolt can be seen and includes at least one scale (251) marked on the second section of the first handle beside the window for providing a reading of the tip of the bolt.

4. The pair of pliers according to claim 3 wherein the reading indicates a distance between the tips of the first and second jaws.

5. The pair of pliers according to claim 3 wherein the reading indicates a size of an article to be driven by means of the pair of pliers.

6. The pair of pliers according to claim 1 wherein the first handle includes a hook (24) projecting from the second section thereof for hooking an end of the spring.

7. The pair of pliers according to claim 1 including a pin (31) for securing the first jaw to the first section of the handle.

8. The pair of pliers according to claim 1 wherein the securing of the first jaw to the first handle is performed by means of soldering.

9. The pair of pliers according to claim 1 wherein the first handle is an extension from the first jaw.

10. The pair of pliers according to claim 1 including a pin (41) for linking the second jaw to the first handle.

11. The pair of pliers according to claim 1 including a pin (51) for linking the second handle to the second jaw.

12. The pair of pliers according to claim 1 including a pin (61) for linking the strut to the second handle.

13. The pair of pliers according to claim 1 wherein the strut includes an elbow (63) formed thereon for contact with the lever.

14. The pair of pliers according to claim 1 including a pin (81) for linking the lever to the second handle.

15. The pair of pliers according to claim 14 wherein the pin divides the lever into a first section to be pressed and a second section for contact with the strut.

16. The pair of pliers according to claim 15 wherein the strut includes an elbow (63) formed thereon for contact with the lever.

17. The pair of pliers according to claim 1 wherein the first jaw (30″

) includes a series of miniature teeth (34) formed next to the flat edge, wherein the second jaw (40″

) includes a series of miniature teeth (44) formed next to the tooth.