JPS63166064U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings relate to the air-filled seat cushion of the present invention, in which Fig. 1 is a partially cutaway perspective view showing the appearance of one embodiment thereof, and Fig. 2 is an enlarged sectional view of the air supply/exhaust port. . 1...Airtight bag body, 2...Non-stretchable flexible member, 3
...Check valve, 4...Air supply and discharge port.

Claims (1)

[Claims for Utility Model Registration] (1) A non-stretchable, flexible, airtight device that has an external shape that can be inserted between both lower legs when the legs are bent in a sitting position, and is thick enough that the legs are not compressed by body pressure when the legs are bent in a sitting position. An air-filled seat, characterized in that at least one interior facing surface of the bag body is connected and shaped with a non-stretchable flexible member, and a check valve is provided at an air supply/discharge port attached to the airtight bag body. guess. (2) The air-filled seat cushion according to claim 1, wherein the internal facing surfaces connected and shape-retained by non-stretchable flexible members are the vertically facing internal surfaces of the airtight bag body. (3) The air-filled seat cushion according to claim 1, wherein the internal opposing surfaces connected and shape-retained by non-stretchable flexible members are the front-rear opposing inner surfaces and the left-right opposing inner surfaces of the airtight bag body. .