US Patent 11273338 Dumbbell and barbell supporting system

A dumbbell and barbell supporting system includes two tables rotatably attached to a base and rotatable relative to the base to two working positions where the tables are inclined relative to each other or are in line with each other, and two dumbbells disposed on the tables, the dumbbells each include two or more weight members or two weight elements, and a handlebar engageable with the weight members and the weight elements for detachably coupling the weight members and the weight elements to the handlebar, the tables are rotatable to be in lined with each other, and a longitudinal bar engageable with the weight members and the weight elements for forming a barbell exerciser device.