A cushion for inserting in the legwell between individual seats in rows of seats, for example in a vehicle, is disclosed. The top of the cushion can act as a surface for a user to lie down. The cushion can be inflatable and can be deflated for easy transport. The cushion can have multiple reservoirs
A cushion for inserting in the legwell between individual seats in rows of seats, for example in a vehicle, is disclosed. The top of the cushion can act as a surface for a user to lie down. The cushion can be inflatable and can be deflated for easy transport. The cushion can have multiple reservoirs so the internal pressure can be separately adjusted for the base and for the mattress of the cushion, similar to a box spring and a mattress in a common bed.
대표청구항▼
1. An inflatable cushion comprising: a flexible wall defining a first reservoir and a second reservoir, wherein the flexible wall comprises an external wall and a septum separating the first reservoir and the second reservoir;a first closable valve in fluid communication with the first reservoir and
1. An inflatable cushion comprising: a flexible wall defining a first reservoir and a second reservoir, wherein the flexible wall comprises an external wall and a septum separating the first reservoir and the second reservoir;a first closable valve in fluid communication with the first reservoir and the outside environment; anda second closable valve in fluid communication with the second reservoir and the outside environment,wherein the first reservoir is in fluid isolation from the second reservoir,wherein when the first reservoir and the second reservoir are in their inflated configurations, a first external surface of the wall adjacent to the first reservoir and opposite to the second reservoir is flat, and a second external surface of the wall adjacent to the second reservoir and opposite to the first reservoir is flat and parallel to the first external surface;wherein at least a portion of the first external surface extends continuously from a first lateral terminal end of the first reservoir to a second lateral terminal end of the first reservoir and continuously from a first longitudinal terminal end of the first reservoir to a second longitudinal terminal end of the first reservoir along the lateral extent of the first external surface of the flexible wall defining the first reservoir,wherein at least a portion of the second external surface extends continuously from a first lateral terminal end of the second reservoir to a second lateral terminal end of the second reservoir and continuously from a first longitudinal terminal end of the second reservoir to a second longitudinal terminal end of the second reservoir along the lateral extent of the second external surface of the flexible wall defining the second reservoir,wherein the first closable valve is on a first longitudinal side of the first reservoir,wherein the second closable valve is on a first longitudinal side of the second reservoir,wherein when the first reservoir and the second reservoir are in their inflated configurations, the first reservoir has a first reservoir central axis and the second reservoir has a second reservoir central axis, and wherein the first reservoir central axis is collinear with the second reservoir central axis,wherein the first reservoir is configured to be above the second reservoir when the second external surface is positioned against a floor,wherein when the first reservoir is in the inflated configuration, the first reservoir has a first reservoir length, a first reservoir width, and a first reservoir height,wherein when the second reservoir is in the inflated configuration, the second reservoir has a second reservoir length, a second reservoir width, and a second reservoir height,wherein the first reservoir length is greater than the second reservoir length,wherein the first reservoir width is greater than the second reservoir width,wherein the first reservoir height is less than the second reservoir height,wherein when the first reservoir and the second reservoir are in their inflated configurations, the inflatable cushion has a cushion height from 15 cm to 80 cm,wherein when the first reservoir and the second reservoir are in their inflated configurations, the first external surface is rectangular with rounded corners and the second external surface is rectangular with rounded corners,wherein the first reservoir has three cells defined by three corresponding internal walls, wherein the three internal walls are attached to the septum and to the external wall forming the first external surface, wherein the three internal walls are attached to the external wall forming the first external surface at three corresponding cell seams, wherein each cell seam is rectangular with rounded corners, wherein at least a portion of each cell seam extends from a first lateral side of the first reservoir to a second lateral side of the first reservoir and from the first longitudinal side of the first reservoir to a second longitudinal side of the first reservoir,wherein when the first reservoir is in an inflated configuration, the internal walls are in tension between the septum and the external wall forming the first external surface,wherein the flexible wall comprises polyvinyl chloride (PVC), andwherein a first external surface material is coated on at least a portion of the first external surface. 2. The cushion of claim 1, wherein the first external surface material is a low friction material. 3. The cushion of claim 1, wherein the first external surface material is felt, velvet, silk, satin, cotton, or combinations thereof. 4. The cushion of claim 1, wherein at least two of the cells are in fluid communication with one another. 5. The cushion of claim 1, wherein at least one of the internal walls is fluid permeable. 6. The cushion of claim 1, wherein the cushion height is from 35 cm to 50 cm. 7. The cushion of claim 1, further comprising at least one of a heater and a cooler. 8. The cushion of claim 1, further comprising a third reservoir extending from the first reservoir and in fluid isolation from the first and second reservoirs. 9. A method of using the inflatable cushion of claim 1 in a legwell between a first seat and a second seat in a vehicle, the method comprising: inflating the second reservoir to a first pressure;positioning the inflatable cushion between the first seat and the second seat after the second reservoir is inflated; andinflating the first reservoir to a second pressure;wherein after inflating the first reservoir, the cushion does not extend onto the first seat; andwherein the second reservoir is below the first reservoir after the inflatable cushion is positioned. 10. The method of claim 9, wherein the positioning of the cushion occurs before the mattress reservoir is inflated. 11. The method of claim 9, wherein the positioning of the cushion occurs after the mattress reservoir is inflated. 12. The method of claim 9, wherein at least a first portion of the inflatable cushion contacts a portion of the first seat and at least a second portion of the inflatable cushion contacts a portion of the second seat when the first reservoir and the second reservoir are in inflated configurations. 13. The method of claim 9, wherein the first pressure is greater than the second pressure. 14. The method of claim 9, wherein the first pressure is less than the second pressure. 15. The method of claim 9, further comprising rotating an armrest attached to the first and/or second seat, and laying a second passenger across the first and second seats. 16. An inflatable cushion comprising: a flexible wall defining a first reservoir and a second reservoir, wherein the flexible wall comprises an external wall and a septum separating the first reservoir and the second reservoir;a first closable valve in fluid communication with the first reservoir and the outside environment; anda second closable valve in fluid communication with the second reservoir and the outside environment,wherein the first reservoir is in fluid isolation from the second reservoir,wherein when the first reservoir and the second reservoir are in their inflated configurations, a first external surface of the wall adjacent to the first reservoir and opposite to the second reservoir is flat, and a second external surface of the wall adjacent to the second reservoir and opposite to the first reservoir is flat and parallel to the first external surface;wherein at least a portion of the first external surface extends continuously from a first lateral terminal end of the first reservoir to a second lateral terminal end of the first reservoir and continuously from a first longitudinal terminal end of the first reservoir to a second longitudinal terminal end of the first reservoir along the lateral extent of the first external surface of the flexible wall defining the first reservoir,wherein at least a portion of the second external surface extends continuously from a first lateral terminal end of the second reservoir to a second lateral terminal end of the second reservoir and continuously from a first longitudinal terminal end of the second reservoir to a second longitudinal terminal end of the second reservoir along the lateral extent of the second external surface of the flexible wall defining the second reservoir,wherein the first closable valve is on a first longitudinal side of the first reservoir,wherein the second closable valve is on a first longitudinal side of the second reservoir,wherein when the first reservoir and the second reservoir are in their inflated configurations, the first reservoir has a first reservoir central axis and the second reservoir has a second reservoir central axis, and wherein the first reservoir central axis is collinear with the second reservoir central axis,wherein the first reservoir is configured to be above the second reservoir when the second external surface is positioned against a floor,wherein when the first reservoir is in the inflated configuration, the first reservoir has a first reservoir length, a first reservoir width, and a first reservoir height,wherein when the second reservoir is in the inflated configuration, the second reservoir has a second reservoir length, a second reservoir width, and a second reservoir height,wherein the first reservoir length is greater than the second reservoir length,wherein the first reservoir width is greater than the second reservoir width,wherein the first reservoir height is less than the second reservoir height,wherein when the first reservoir and the second reservoir are in their inflated configurations, the inflatable cushion has a cushion height from 15 cm to 80 cm, andwherein when the first reservoir and the second reservoir are in their inflated configurations, the first external surface is rectangular with rounded corners and the second external surface is rectangular with rounded corners. 17. The cushion of claim 16, wherein the cushion height is from 35 cm to 50 cm. 18. The cushion of claim 16, further comprising at least one of a heater and a cooler. 19. The cushion of claim 16, further comprising a third reservoir extending from the first reservoir and in fluid isolation from the first and second reservoirs.
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