Patent ID: 6418631
Filing Date: 2002-07-16
Classification: B43K,B43L,G01B

Abstract:
An apparatus for measuring distances comprising:a lower portion having an upper end, a lower end, side walls, side walls, and end walls, the side walls being parallel and the end walls being parallel to form a generally rectangular apparatus in cross-section, the side walls being greater in size than the end walls, the side walls including semicircular bulges positioned centrally on the side walls and flanked by flat portions of the side walls; and an upper portion telescopically interconnected with the lower portion, the upper portion having a lower end, an upper end, side walls, and end walls, the side walls being paralled and the end walls being parallel to form a generally rectangular apparatus in cross-section, the side walls being greater in size than the end walls, the side walls including semicircular bulges positioned centrally on the side walls and flanked by flat portions of the side walls, wherein the upper portion can be telescoped from the lower portion to a distance to measure a distance.