US Patent 7712894 Eye gear having quick-release frame coupling blocks

An eye gear includes a lens frame, a support unit having a pair of frame coupling blocks, and a pair of coupling units, each connecting pivotally one end of a respective one of the frame coupling blocks to a corresponding one of two ends of the lens frame and including a first pivot coupling component provided on one of the lens frame and the respective one of the frame coupling blocks, and a second pivot coupling component provided on the other of the lens frame and the respective one of the frame coupling blocks. The first pivot coupling component includes a pin portion. The second pivot coupling component includes a limiting portion that defines a pin receiving space to receive removably and pivotally the pin portion.