Slider of a zipper

A slider for installation in a zipper having interlocking tabs and pulled by a puller of the zipper to close/open the interlocking tabs, comprising:

• a slider body having a sliding slot for passing the interlocking tabs of the zipper and a top wall, a substantially U-shaped nose raised from said top wall, a pin hole through said top wall in communication with said sliding slot, and a blind hole on said top wall, said nose having one end adjacent to the pin hole in said top wall, an opposite end spaced from said top wall by a gap, a first through hole through said nose in alignment with said gap and said blind hole, and a second through hole intersecting said first through hole;
• a spring mounted inside said blind hole;
• a movable block inserted into said blind hole and supported on said spring, having a beveled front and disposed in said gap;
• a spring locating plate mounted in between said slide body and said nose, having a first end inserted into said second through hole, a transverse slot at said first end, a second end inserted into said pin hole, and a pair of projections at said second end for engagement with the interlocking tabs of the zipper;
• and
• a stop plate mounted inside said first through hole and inserted through the transverse slot of said spring locating plate, having a downwardly backward projecting strip stopped against said spring locating plate to limit backward movement of said stop plate relative to said spring locating plate.