Patent ID: 7891588

Claim:
A paint spray gun comprising: a wetted parts subassembly including: a spray tip; a pump housing and cylinder assembly; a paint cup; and at least one protrusion on the pump housing and cylinder assembly; a paint spray gun housing; a frame within the paint spray gun housing, the frame having at least one slot aligned to receive the at least one protrusion on the pump housing and cylinder assembly when the wetted parts subassembly is received in the frame; a lock lever attached to the frame adjacent the at least one slot and movable between a latched position in which the lock lever holds the at least one protrusion in the at least one slot and thus secures the wetted parts subassembly to the frame and an unlatched position in which the lock lever releases the at least one protrusion and thus releases the wetted parts subassembly from the frame, the lock lever biased to the latched position; at least one pushbutton extending through an aperture in the paint spray gun housing and operably coupled to the lock lever such that pushing the pushbutton causes the lock lever to move from the latched position to the unlatched position and releasing the pushbutton causes the lock lever to return to the latched position, the lock lever being configured such that the wetted parts subassembly can be reattached to the frame by inserting the at least one protrusion into the at least one slot without having to push the at least one pushbutton.