Patent ID: 7232971
Filing Date: 2007-06-19
Classification: H01H

Abstract:
1. A circuit breaker comprising: a hollow shell provided with a first hole and a second hole spaced apart in a bottom wall; a movable press strip provided with a pivot in a lower center portion, said pivot being fixed in an upper portion of said shell, said movable press strip having a right side and a left side located in an interior of said shell, said right side formed with a first press member extending down and said left side formed with a second press member extending down, said first press member and said second press member capable of being pressed down manually with said pivot functioning as a fulcrum to permit said movable press strip to function like a seesaw, wherein said first press member is moved up when said second press member is pressed down, and said second press member is moved up when said first press member is pressed down; a first conductor inserted through in said first hole of said shell, shaped as an inverted L-shape and having a lower end exposing down out of said shell and an upper end extending in an interior of said shell, a first contact point provided at an upper end of said first conductor; a second conductor inserted through in said second hole of said shell, shaped as a double L-shape and having a lower end exposed down out of said shell and an upper end extending in the interior of said shell; a metal strip having a left end connected vertically with the upper end of said second conductor and a right end facing a lower end of said first press member, said metal strip having an elastic contact strip formed integral in its center portion, said elastic contact strip having its right end connected with the body of said metal strip and its left end being free separated from said metal strip, an opening formed between said left end of said elastic contact strip and an inner edge of the left end of said metal strip, said elastic contact strip forming a curved-down dish shape, a second contact point fitted firmly in the free end of said elastic contact strip to face said first contact point of said first conductor; and a C-shaped plate spring having two lower ends inserted in the free end of said elastic contact strip, said C-shaped plate spring having a curved-up portion facing said second press member.