https://botdb.win/wiki/10_Fact....s_About_Bifold_Door_
https://opensourcebridge.scien....ce/wiki/4_Dirty_Litt
How to Repair a Bifold Door Top Pivot The top pivot of the bifold closet door could be loosened and scrape the floor. This can be fixed by loosening up the set screw on the top bracket. The top pivot pin is a metal screw which fits into a cap made of plastic that has a rounded edging and stays in the track above the front door. You'll requir