How to open the air outlet at the bottom of the room seat

The key points are as follows:

The air outlet of automobile air conditioner is a patent applied by Ningbo Sheng Jun Qunying Automobile System Co., Ltd. on March 26th, 20021. The patent publication number is CN 1 12706587B, and the patent publication date is June 28th, 2002/KLOC-0. The inventors are Wang Zexing, Lu Keyan and Wang Keyan.