Patent ID: 8979117
Filing Date: 2015-03-17
Classification: B60R,Y10T

Abstract:
1. An air cushion comprising: a support structure including a plurality of sides and a plurality of tube-shaped hollow bodies on each of the plurality of sides, the tube-shaped hollow bodies being connected to each other and planar elements disposed between the hollow bodies; a sleeve including at least one opening; a closure element arranged inside the air cushion at the at least one opening to at least partially prevent a flow-through of air from a first direction; and an air-permeable flat structure arranged at an outer side of the sleeve in a region of the at least one opening, wherein the closure element is flexible and has a channel-shaped design at least upon the flow of air from a second direction opposite the first direction, and wherein the closure element is configured to press against the air-permeable flat structure from inside the air cushion in a restraint state in which the air cushion is under pressure compared to surroundings of the air cushion.