https://jsfiddle.net/rateenergy7/vdxe09n4/
How to Repair Bifold Door Bottom Pivots If your bifold closet doors are sagging or scraping the floor, it's probably due to misalignment. A few simple adjustments can put them back on track and running smoothly. The bottom pivot is attached to the bracket the floor or base for an extremely secure, sturdy mounting. Threaded for adjustment, this kit is compatible with a broad range of bi-fold doors. Broken or cracked Anchor or Pivot Pins The pivot pins and anchor pins on a bifold door can break or are misaligned which can cause the doors to sag,