Power strip

• US 7,229,302 B1
• Filed: 07/11/2006
• Issued: 06/12/2007
• Est. Priority Date: 07/11/2006
• Status: Expired due to Fees

• Current Assignee: Li-Chun Lai
• Original Assignee: Li-Chun Lai
• Inventors: Lai, Li-Chun
• Primary Examiner(s): NGUYEN, TRUC T
• Application Number:
  US11/456,571
• Time in Patent Office: 336 Days
• Field of Search: 439/214, 439/502, 439/505
• US Class Current: 439/214
• CPC Class Codes: H01R 13/652 with earth pin, blade or socket
• CPC Class Codes: H01R 2103/00 Two poles
• CPC Class Codes: H01R 24/22 with additional earth or shield contacts
• CPC Class Codes: H01R 24/30 with additional earth or shield contacts
• CPC Class Codes: H01R 25/003 the coupling part being secured only to wires or cables
• CPC Class Codes: H01R 27/02 for simultaneous co-operation with two or more dissimilar counterparts

Abstract

A power strip includes a primary distribution unit, a secondary distribution unit, a primary power cord, at least two secondary power cords and at least two third-level power cords. The primary distribution unit has three distribution points, and each of the three distribution points is in electrical communication with a respective line of the three lines (positive line, neutral line and ground line) of the primary power cord. An electrical plug is provided at the free end of the primary power cord, and each of the three lines of each secondary power cord is in electrical communication with a respective distribution point. Also, each secondary power cord is in electrical communication with at least two third-level power cords. Hence, electricity may be fed from the electrical plug to the primary power cord, secondary power cords and third-level power cords and then to the sockets.

Claims

1. A power strip comprising:

a primary distribution unit, having three distribution points, wherein a screw is used at each of the three distribution points;

a secondary distribution unit, wherein two dividing pieces divide an internal space of the secondary distribution unit into three segments;

a primary power cord, including a positive line, a ground line and a neutral line, wherein an electrical plug is provided at a free end of the primary power cord and each of the three lines of the primary power cord is in electrical communication with a respective distribution point;

a plurality of secondary power cords, wherein each of the secondary power cords includes a positive line, a ground line and a neutral line, and wherein each of the three lines of the secondary power cord is connected with a respective distribution point of the primary distribution unit and a screw is used at each of these distribution points so as to affix the lines of the primary power cord and the secondary power cords; and

a plurality of third-level power cords, wherein each of the third-level power cords includes a positive line, a ground line and a neutral line, and wherein three connecting pieces are used so as to connect the three lines of each third-level power cord with the three lines of the respective secondary power cord and each of the three connecting pieces is disposed in a respective segment, so that electricity is fed from the electrical plug to the primary power cord, the secondary power cords and the third-level power cords and then to the sockets.

2. The power strip as in claim 1, further comprising a switch provided on the primary distribution unit and a switching portion of the switch extending out of the primary distribution unit, and wherein the positive line of the primary power cord is connected with one of the three connecting portions of the switch and a wire is used to connect another connecting portion of the switch with a respective distribution point.

3. The power strip as in claim 1, further comprising a socket provided on the primary distribution unit and the three insertion holes of the socket extending out of the primary distribution unit, and wherein the socket has three connecting portions and each of the three connecting portions is in electrical communication with a respective distribution point.

4. The power strip as in claim 1, further comprising an overload protection device provided on the primary distribution unit to protect against overloads.

5. The power strip as in claim 1, further comprising a layer coated on the secondary distribution unit.