Patent ID: 6357326
Filing Date: 2002-03-19
Classification: B26B,B26D,B26F,Y10T

Abstract:
A shape outlining device for outlining a predetermined shape on a surface, the device comprising:a post assembly with a lower end for resting on a surface and an upper free end, the post assembly comprising: a spool base, the spool base having a central shaft with an upper end and a lower end, the spool base having an upper flange; a cam for determining a shape to be outlined on the surface, the cam having a central passage through which the central shaft is received, the cam resting on the upper flange of the post assembly, the cam having a profile surface corresponding to a shape to be cut into the surface; an arm assembly removably and rotatably mounted on the post assembly, the arm assembly comprising: a central tube member mounted to the post assembly, the central tube having a lumen receiving and riding on the flanges of the spool base such that the tube member is rotatable about the flanges; an arm having an inner end and an outer end, the inner end of the arm being mounted to an outer surface of the tube member; a rod mounted on the arm in a substantially parallel orientation to the arm, the rod being mounted to permit axial movement of the rod with respect to the arm, the rod having an inner end and an outer end; a cam follower mounted on the inner end of the rod, the cam follower abutting against the profile surface of the cam such that the rod is axially movable by the profile surface of the cam as the arm assembly is rotated around the post assembly; a carriage mounted on the rod in a manner permitting sliding movement of the carriage in an axial direction along the rod; and a blade holder mounted on the carriage, the blade holder having a blade mounted thereon; wherein the cam is removably mounted on the central shaft of the spool base for permitting replacement of the cam with cams of different shapes.