Patent ID: 7290342

Claim:
A locking system for selectively controlling the blade orientation relative to a work surface of a circular blade in a circular saw assembly of the type that includes a motor housing having a handle , the generally circular saw blade disposed within a blade housing at a first end of the motor housing, and a foot member through which the blade extends for guiding the saw assembly along the work surface, said system comprising: an arcuate bracket extending from a top surface of the foot member; an arcuate slot disposed along at least a portion of a length of said bracket; at least one arcuate biasing member connected to said bracket and having detent portions extending into said arcuate slot, including at least one detent recess; an engagement member configured to engage said slot and to threadedly receive a threaded fastener extending from the motor housing, said engagement member contacting said biasing member as it is moved along said slot; and a pivotable lever configured to rotate said engagement member extending radially therefrom, wherein said engagement member is configured to lockingly engage said bracket along said slot.