Contact terminal with self-adjusting contact surface

• US 7,614,907 B2
• Filed: 02/12/2008
• Issued: 11/10/2009
• Est. Priority Date: 02/12/2008
• Status: Active Grant

• Current Assignee: Chaojiong Zhang
• Original Assignee: Chaojiong Zhang
• Inventors: Zhang, Chaojiong
• Primary Examiner(s): LE, THANH TAM T
• Application Number:
  US12/029,759
• Publication Number:
  US 20090203253A1
• Time in Patent Office: 637 Days
• Field of Search: 439/289, 439/500, 439/930
• US Class Current: 439/500
• CPC Class Codes: H01R 13/2407 characterized by the resilient means
• CPC Class Codes: H01R 13/33 Contact members made of resilient wire
• CPC Class Codes: Y10S 439/93 Coupling part wherein contact is comprised of a wire or brush

Abstract

A self-adjusting contact includes a plurality of conductive fibers, such as wires, arrayed along an axis perpendicular to the major plane of the battery terminal. The contact may include straight or corrugated wires, aligned substantially along the axis. The wires may be arranged in a bundle and held within an electrically conductive holder, which may be cylindrical or bell-shaped, and the wire bundle may be soldered to the bottom of a well formed in the holder.

Claims

1. A self adjusting contact for contact with a hard, irregular planar terminal surface defining a terminal area, the contact comprising:

a. an axially oriented, electrically conductive holder having a well and a mounting post extending from the well, the axis of the holder perpendicular to the plane of the terminal surface; and

b. a bundle of spaced, flexible wires secured within the well having ends opposite the holder, the bundle of wires directed perpendicular to the irregular planar terminal surface and further defining a contact surface at the ends of the wires adapted for perpendicular stationary conforming contact with the planar terminal surface by bending in random directions from the axis of the holder.

2. The contact of claim 1, wherein the holder defines a lip and wherein the bundle of wires extends beyond the lip of the holder.

3. The contact of claim 1, wherein the holder defines a lip and a holder area at the lip larger than the terminal area and wherein the bundle of wires does not extend beyond the lip of the holder.

4. The contact of claim 1, wherein the well is cylindrical.

5. The contact of claim 1, wherein the well comprises a cylindrical wall adjacent the mounting post and a frustoconical wall adjacent the cylindrical wall.

6. The contact of claim 1, wherein the well defines a bottom and further comprising a recess in the bottom of the well adapted to retain a quantity of solder to secure the bundle of wires.

7. The contact of claim 6, further comprising an orifice extending through the well to communicate solder through the orifice into the recess.

8. The contact of claim 1, wherein the wires are corrugated.

9. A self-adjusting contact for contact with a hard, planar terminal surface, the contact comprising:

a. an axially oriented, electrically conductive holder having a well and a mounting post extending from the well, wherein the well defines a bottom and further comprising a recess in the bottom of the well adapted to retain a quantity of solder to secure the bundle of wires;

b. a bundle of spaced, flexible wires secured within the well; and

c. an orifice extending through the well to communicate solder through the orifice into the recess.