Patent ID: 8020545

Claim:
An apparatus for scribing tile comprising: a scribe member; a tile engagement member; an extension member, the extension member connecting the scribe member to the tile engagement member, the extension member being both slideably and pivotally connected to the tile engagement member; and a locking member, the locking member being movable between a locking position and an unlocking position, the locking member preventing movement of the tile engagement member relative to the extension member when the locking member is in the locking position and allowing both pivotal and slideable movement of the tile engagement member relative to the extension member when the locking member is in the unlocking position, the locking member being biased from the unlocking position toward the locking position, the locking member comprising a cam surface and the tile engagement member comprising a cam surface, the cam surface of the locking member engaging the cam surface of the tile engagement member when the locking member is in the locking position in a manner such that the extension member is in clamped engagement with the tile engagement member.