Patent ID: 8777822
Filing Date: 2014-07-15
Classification: A63B

Abstract:
1. An exercise device for use in a doorway, the doorway defined by a door frame, the doorway having a first side, a second side parallel to the first side and a header perpendicular to and extending between the first and second sides, the exercise device comprising: a first vertical rail member attachable to the first side of the doorway; a second vertical rail member attachable to the second side of the doorway; a first carriage slidably engaged with the first vertical rail member, the first carriage being sized and configured to move longitudinally along the first vertical rail member; a second carriage slidably engaged with the first vertical rail member, the second carriage being sized and configured to move longitudinally along the first vertical rail member; a third carriage slidably engaged with the second vertical rail member, the third carriage being sized and configured to move longitudinally along the second vertical rail member; a fourth carriage slidably engaged with the second vertical rail member, the fourth carriage being sized and configured to move longitudinally along the second vertical rail member; a first resistance band with a primary end and an opposing secondary end, the first resistance band extending within and along the first vertical rail member and between the first and second carriages, the primary end extending from the first carriage and the secondary end extending from the second carriage; and a second resistance band with a primary end and an opposing secondary end, the second resistance band extending within and along the second vertical rail member and between the third and fourth carriages, the primary end extending from the third carriage and the secondary end extending from the fourth carriage.