Disclosed are various embodiments of storage systems. In some embodiments, the storage system includes an upper frame, a guide tube that supports the upper frame, a pivot arm, and a side support. A first end of the pivot arm is rotatably coupled to the guide tube, and a second end of the pivot arm is rotatably coupled to a fixed pivot point. The side support includes a guide post that is inserted into the guide tube. The guide tube is configured to move along the guide post.