Corner key and frame assembly

摘要

A corner key includes a first body and a first engaging portion. The first body has a first slot. The first engaging portion is disposed on a surface of the first body and a position of the first engaging portion is corresponding to the first slot. The first engaging portion has a first section, a second section and a third section, wherein the first and third sections are located at opposite sides of the first engaging portion, the second section is located between the first and third sections, and a height of the second section is greater than that of the first section or the third section.

主权项

1. A corner key comprising:
a first body having a plurality of first slots formed therein and a head end; and a plurality of first engaging portions disposed on a surface of the first body corresponding to the plurality of first slots, each first engaging portion having a first section, a second section, and a third section, the first section and the third section being located at opposite sides of the first engaging portion, the second section being located between the first section and the third section, a height of the second section being greater than a height of the first section or a height of the third section, the first engaging portion close to the head end being a tooth structure with tiny and dense teeth, the first engaging portion away from the head end being a tooth structure with large and sparse teeth.