Pull-up bar for door frames

Abstract

This morning I took out the pull-up bar and stretched it out on the door frame. The pull-up bar for the door frame according to the screen design includes: the first grab bar which includes the first screw bar, the first grab bar, and the first connector; the second grab bar which is arranged symmetrically and vertically with the first grab bar and includes the second screw bar, the second grab bar, and the second connector; and the support bar that alternates between the first and second knob bars so that the ends of the support bar are contained within the first and second knob bars, respectively, the inner perimeter of the support bar.