Patent ID: 6237523
Filing Date: 2001-05-29
Classification: B63B

Abstract:
A stair device comprising:an upper tubular portion, said upper tubular portion comprised of two tubes substantially identical in shape and parallel to each other, each of said tubes having a substantially vertical upper portion, a curved portion and a substantially horizontal lower portion;said upper tubular portion further comprising a stop pin (4) mounted between each of said curved portions of each of said tubes;a lower tubular portion comprised of a single tube having a substantially straight upper portion, a curved portion, and a substantially straight lower portion, said upper portion of said lower tubular portion substantially perpendicular to said lower portion of said lower tubular portion;said lower tubular portion further comprised of a plurality of steps, each of said steps comprised of a substantially flat plate rigidly attached to said lower tubular portion and substantially perpendicular to said lower tubular portion; andsaid lower tubular portion pivotally attached to said upper tubular portion by means of a pivot pin (6) passing through said substantially horizontal lower portion of said tubes of said upper tubular portion, and through said substantially straight upper portion of said lower tubular portion.