Patent ID: 7739802

Claim:
An undercut saw comprising: a housing; at least one handle on said housing, a motor housed within said housing; a drive shaft rotated by said motor; a blade mount mechanically linked to said drive shaft by a mechanical linkage such that when said drive shaft is rotated by said motor, said blade mount is rotated such that when a blade is mounted on said blade mount, said blade is rotated; a fixed blade guard joined to said housing, said fixed blade guard circumscribing a portion of a circular saw blade mounted on said blade mount, said fixed blade guard including: a top plate fixedly connected to said housing; a height adjustment skirt in telescoping attachment to said top plate, said height adjustment skirt having a horizontal surface substantially parallel to said saw blade when said blade is mounted onto said blade mount, wherein said horizontal surface contacts a floor surface on which said undercut saw is placed when said saw is in use; a dust port mounted on said height adjustment skirt; and a dust channel on an underside of said height adjustment skirt and recessed from said horizontal surface, said dust channel extending to said dust port.