Patent ID: 7516910

Claim:
A pressure washer gun configured to be connected to a source of fluid, the pressure washer gun comprising: a housing defining an interior, a first side and a second side, and a first substantially arcuate slot in the first side; a flow path within the interior and including an inlet in fluid communication with the source and an outlet; a valve having a valve member in the flow path that is movable between a closed position and an open position in which fluid travels from the inlet to the outlet; a user interface movable between an actuated position in which the valve is open and a non-actuated position in which the valve is closed; and a lock member at least partially disposed within the interior and moveable in a substantially arcuate path between a locked position in which the lock member inhibits movement of the user interface to the actuated position and an unlocked position, wherein the lock member includes a first actuation portion protruding from the first substantially arcuate slot on the first side of the housing, and wherein the first actuation portion is configured to be engaged by a user to move the lock member along the substantially arcuate path between the locked position and the unlocked position.