Patent ID: 8104386

Claim:
A quick release device for a saw blade guard assembly mounted to a circular saw, said saw blade guard assembly having a spreader including a locating hole, said quick release device comprising: a mounting block having first and second spaced sidewalls, a mounting groove formed between said first and second sidewalls for receiving said spreader, and a through hole defined through one of said first and second sidewalls of said mounting block and in communication with said mounting groove and said locating hole of said spreader; at least one movable engagement member movably disposed in said through hole of said mounting block; and a locking member having a locking block proximate to said sidewall having said through hole, said locking block having a retaining wall portion configured for engaging said movable engagement member and forcing said movable engagement member into the locating hole of said spreader; wherein said locking block further comprises a recessed wall portion spaced from said mounting block at a distance larger than a distance between said retaining wall portion and said mounting block wherein said recessed wall portion and said retaining wall portion selectively face said movable engagement member; said movable engagement member configured to move in said through hole when said recessed wall portion faces said movable engagement member; said retaining wall portion stopping against the movable engagement member in an axial direction of the through hole of the mounting block when said retaining wall portion faces said movable engagement member.