Patent ID: 8381626

Claim:
A lockable hinge for a circular saw blade guard of a circular saw having a blade, comprising: a first hinge member, including a first lock knuckle with a first opening defined therethrough, adapted to be secured to a first blade guard portion; a second hinge member, including a second lock knuckle with a second opening defined therethrough, rotatably secured to the first hinge member and adapted to be secured to a second blade guard portion such that the second blade guard portion is rotatable relative to the first blade guard portion, wherein the first and second blade guard portions cover a portion of the blade, and a lock mechanism configured to lock the second hinge member in a predetermined rotational orientation relative to the first hinge member, comprising a lock pin sized to be received in the first and second openings; wherein the first and second lock knuckles are provided so the first and second openings align when the second hinge member is in the predetermined rotational orientation relative to the first hinge member, and the lock pin is simultaneously receivable in the first and second openings of the first and second lock knuckles to lock the second hinge member in the predetermined rotational orientation relative to the first hinge member.