Screw name: three-in-one connector
Mainly used for panel furniture connectors. It was invented by Hafele Furniture Accessories Company in the 1970s. Because of their name "Minifix" was registered as a patent, and then Hettich also invented its own patented three-in-one connector, named "eccentric connector". Therefore, the name "eccentric connector" was adopted abroad and was introduced to China in the 1980s. , people named them after the number of accessories: three-in-one connectors, as well as two-in-one, four-in-one and other connectors. Because three-in-one is the most commonly used type, three-in-one connectors are popular in China. The connector has become the synonym for eccentric connector.
--See encyclopedia for details