Patent ID: 6913054

Claim:
A device for moistening an envelope flap of an envelope, comprising: a first plate having a first set of orifices formed therethrough for discharging moistening fluid; a second plate, mounted on said first plate, having a second set of orifices formed therethrough, a portion of said second set of orifices aligning with at least a portion of said first set of orifices in said first plate; a circuit board mounted on said second plate; a plurality of valves mounted on said circuit board and said first plate, each of said plurality of valves being connected to a respective one of said first and second set of orifices for selectively supplying each of the orifices with moistening fluid; and flap sensing means mounted on said circuit board for sensing an edge portion of said envelope flap, and operatively connected to said plurality of valves for supplying signals to said plurality of valves for selectively actuating each of said plurality of valves to selectively supply moistening fluid to said first and second sets of orifices in response to the sensing of the edge portion of said envelope flap.