US Patent 10945533 Air bed

An air bed is provided, including: an upper sheet, a lower sheet, a left side sheet, a right side sheet, a first structural pull belt and a second structural pull belt, wherein the upper sheet, the lower sheet, the left side sheet and the right side sheet define one air chamber. The upper sheet and the lower sheet are connected with each other at the front and the back, and an inner edge of a joint between the upper sheet and the lower sheet is provided with the first structural pull belt. The left side sheet is connected with the upper sheet and the lower sheet to form a left side wall of the air bed, and an inner edge of a left joint is provided with the second structural pull belt.