Patent ID: 9604234
Date: 2017-03-28
CPC Classifications: B05B,F04B

Claim:
1. A handheld airless fluid dispensing device comprising: a housing body configured to be carried and fully supported by an operator of the handheld airless fluid dispensing device during operation; a reciprocating piston fluid pump disposed within the housing body and comprising at least two pumping chambers configured to be pumped out of phase by at least one piston; a drive element coupled to the housing body and connected to the reciprocating piston fluid pump to displace the at least one piston; a switch configured to activate the drive element; a spray orifice fluidly connected to outlets of the pumping chambers; a pin to close the spray orifice; and a lever connected to the dispensing device to actuate the switch and retract the pin from the orifice.