Patent ID: 8424434

Claim:
A fence mechanism for a push-pull power saw having a table top with generally vertical front, rear and opposite side surfaces, at least one side surface having a captive groove extending from a front portion toward said rear surface, a rotatable blade extending through an elongated slot in the table top and mounted in a carriage mechanism wherein an operator knob is configured to pull the blade from a rearward position in the slot toward the front of the saw to cut a work piece that is positioned on the top surface of the table, said fence mechanism comprising: a body portion having a holding mechanism for releasably holding an elongated fence assembly slidably attached to said body portion, and including a table extension having a top surface area adapted to be coextensive with said saw table top and configured to be connected to said body portion, said table extension extending beyond a side of the table top; an elongated fence member slidably attached to said fence assembly and having a generally vertical front planar surface for engaging a work piece; said table extension having a slide element configured to slidably engage the captive groove, so that said table extension is supported to be coextensive with said saw table top, entirely by the engagement of said slide element with said captive groove; a locking mechanism for locking said table extension at any desired position along an entire length of the captive groove from the front surface to the rear surface, so that said fence assembly is locked at any desired position along at least the entire length of the captive groove from the front surface to the rear surface, and for unlocking said table extension so that fence assembly is guided along the captive groove toward and in parallel to the blade to move the work piece along the table top to engage the blade for making a cut.