Patent ID: 9723928
Date: 2017-08-08
CPC Classifications: A47C

Claim:
1. A sitting bones cushion, comprising: a) a right aperture, which is configured to receive a right sitting bone of a user that is seated on the sitting bones cushion; b) a left aperture, which is configured to receive a left sitting bone of the user that is seated on the sitting bones cushion; c) a right leg support cutout, which is positioned on an upper front right part of the sitting bones cushion, such that the right leg support cutout is configured to support, guide, and position a right leg of the user that is seated on the sitting bones cushion; and d) a left leg support cutout, which is positioned on an upper front left part of the sitting bones cushion, such that the left leg support cutout is configured with a shape, which is symmetrical with a shape of the right leg support cutout, with respect to a front to rear centerline of the sitting bones cushion, such that the left leg support is configured to support, guide, and position a left leg of the user that is seated on the sitting bones cushion; wherein the right and left apertures are each configured to extend between a top surface and a bottom surface of the sitting bones cushion; wherein the right and left apertures are configured to reduce the pressure applied to the right and left sitting bones when the user is seated on the sitting bones cushion, thereby providing relief from pressure and pain to the buttocks of the user; wherein surfaces of the right and left leg support cutouts are each configured with a shape as an inner segment of an elliptic cylinder, whereby surface lines following an elongated direction of the elliptic cylinder are straight surface lines; wherein the straight surface lines comprise right and left straight surface lines of respectively the right and left cutouts; such that the right straight surface lines are configured with a right outward angle in a range of 1 to 45 degrees, relative to the front to rear centerline of the sitting bones cushion; and such that the left straight surface lines are configured with a left outward angle in a range of 1 to 45 degrees, relative to the front to rear centerline of the sitting bones cushion.