Patent ID: 7089679
Filing Date: 2006-08-15
Classification: G01B

Abstract:
1. An apparatus for measuring distances, said apparatus comprising: a housing that functions as a layout tool, said layout tool selected from a group consisting of a straight edge, a gauging block, a ruler, or a combination thereof, wherein said housing further comprises a truncated flat front wall, said front wall enabling said housing to rest against a wall surface; a single wheel, rotatably disposed within said housing, said single wheel comprising incremental line markers for measuring distances solely via revolution of said single wheel, wherein said incremental line markers enable measurement and display of distances based upon a fraction of a first revolution of said single wheel and optionally fractions of additional revolutions of said single wheel; and a squaring lip, wherein said squaring lip is disposed on said housing, wherein said squaring lip comprises a string groove, and wherein said string groove comprises a ‘U’-shaped longitudinal channel.