Patent ID: 7240435
Filing Date: 2007-07-10
Classification: A47G,E04F

Abstract:
1. An adjustable carpentry trim gage for marking guidelines on a jamb for installation of a casing on the jamb, the gage comprising, a scribing block adjustably attached to a guide block: the guide block including a guide surface adapted to be placed against the jamb, and the scribing block including a scribing surface along which a scribing instrument can be drawn to mark guidelines on the jamb; the guide block being adjustable with respect to the scribing block to thereby position the scribing surface on the scribing block, with respect to the guide surface on the guide block, in such a manner that the scribing surface will indicate a desired reveal on the jamb, when the guide surface is bearing against the jamb; the guide block and scribing block including alignment features for orienting and guiding the scribing surface parallel to the guide surface; and the guide block and scribing block further including mating surfaces thereof, with the mating surface of the guide block having, protruding therefrom, an elongated key, which extends in a direction perpendicular to the guide surface, and the mating surface of the scribing block including an elongated slot therein for slidingly receiving the elongated key of the guide block, the elongated slot being oriented substantially perpendicular to the scribing surface of the scribing block, and configured such that as the guide block and scribing block are moved relative to one another, the scribing surface is maintained in a parallel relationship to the guide surface.