Sacral air bladder assembly
First Claim
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1. A seat assembly comprising:
- a seat bottom;
a seat back mounted adjacent the seat bottom and extending generally in an upright direction, wherein the seat back and seat bottom are provided with an occupant seating surface; and
first and second air bladders each having a generally hexagonal support surface defined by an enlarged width portion and extending to an elongated tapered portion having a width less than the enlarged width portion, wherein the first air bladder is disposed in the seat back and the second air bladder is disposed in the seat bottom,whereby inflation of the first and second air bladders inclines the support surfaces from the tapered portion to the enlarged width portion relative to the seating surface,wherein the first and second air bladders are oriented with the elongated tapered portions oriented toward each other and the enlarged width portions oriented away from each other.
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Abstract
A seat assembly is provided with a seat bottom and a seat back mounted adjacent the bottom. The seat back and seat bottom are provided with an occupant seating surface. At least one air bladder is oriented in a sacral region the seat bottom or the seat back. The air bladder has a support surface defined by a enlarged width portion and extends to an elongated tapered portion. When the air bladder is inflated, the support surface is inclined from the taper portion to the enlarged width portion relative to the seating surface.
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Citations
17 Claims
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1. A seat assembly comprising:
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a seat bottom; a seat back mounted adjacent the seat bottom and extending generally in an upright direction, wherein the seat back and seat bottom are provided with an occupant seating surface; and first and second air bladders each having a generally hexagonal support surface defined by an enlarged width portion and extending to an elongated tapered portion having a width less than the enlarged width portion, wherein the first air bladder is disposed in the seat back and the second air bladder is disposed in the seat bottom, whereby inflation of the first and second air bladders inclines the support surfaces from the tapered portion to the enlarged width portion relative to the seating surface, wherein the first and second air bladders are oriented with the elongated tapered portions oriented toward each other and the enlarged width portions oriented away from each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 17)
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9. A seat assembly comprising:
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a seat bottom; a seat back mounted adjacent the seat bottom and extending generally in an upright direction, wherein the seat back and seat bottom are provided with an occupant seating surface; and first and second air bladders each having a support surface defined by a wide portion extending to a tapered portion having a width less than the wide portion, wherein when the first and second air bladders are inflated, the support surfaces of the first and second air bladders are inclined relative to the seating surface, wherein the first air bladder is disposed in the seat bottom and the second air bladder is disposed in the seat back, and wherein the first and second air bladders are positioned with the elongated tapered portions oriented toward each other and the enlarged width portions oriented away from each other. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification