Patent ID: 6848342

Claim:
An adjustable wrench comprising: a handle; a base portion defined on said handle, said base portion defining an elongated groove and a portion of a locking chamber lower wall; a stationary jaw attached to said base portion, said stationary jaw having an inside face; a movable jaw mounted to said base portion for slidable movement in a direction of travel, said movable jaw having an inside face and an extension flange, said extension flange received at least partially within said groove and having an exposed portion exposed to said locking chamber; a first spring positioned to bias said moveable jaw away from said stationary jaw; and a locking member disposed within said locking chamber between said lower wall and said exposed portion of said extension flange, said locking member being movable between a first position and a second position, wherein said locking member does not tightly contact said lower wall and said exposed portion when in said first position, and said locking member is positioned to provide wedging between said lower wall and said exposed portion when in said second position to lock said movable jaw in a selected position relative to said stationary jaw and wherein said locking member is of a shape to allow said locking member to roll along at least portion of said wedging mechanism.