US 12,011,729 B2
Handheld fluid sprayer
Christopher J. Sulzer, St. Louis Park, MN (US); and Joseph W. Kieffer, Chanhassen, MN (US)
Assigned to Wagner Spray Tech Corporation, Plymouth, MN (US)
Filed by Wagner Spray Tech Corporation, Plymouth, MN (US)
Filed on Feb. 13, 2023, as Appl. No. 18/168,109.
Application 18/168,109 is a division of application No. 16/356,658, filed on Mar. 18, 2019, granted, now 11,826,766.
Claims priority of provisional application 62/744,803, filed on Oct. 12, 2018.
Claims priority of provisional application 62/644,906, filed on Mar. 19, 2018.
Prior Publication US 2023/0191435 A1, Jun. 22, 2023
Int. Cl. B05B 11/10 (2023.01)
CPC B05B 11/1001 (2023.01) [B05B 11/1057 (2023.01); B05B 11/1061 (2023.01)] 13 Claims
OG exemplary drawing
 
1. A portable fluid spraying system comprising:
a handheld fluid sprayer comprising:
a fluid reservoir configured to store a fluid;
a pump configured to pump the fluid from the fluid reservoir to an outlet of the handheld fluid sprayer;
a handle; and
a first trigger proximate the handle, the first trigger configured to actuate a valve of the handheld fluid sprayer that controls fluid flow to the outlet;
a fluid hose having a coupling mechanism configured to removably couple to the handheld fluid sprayer proximate the outlet, wherein the coupling mechanism comprises a pin configured to mechanically actuate the valve of the handheld fluid sprayer when the fluid hose is coupled to the handheld fluid sprayer; and
a fluid spray gun comprising:
a gun inlet configured to couple to the fluid hose and receive the fluid from the handheld fluid sprayer;
a gun outlet configured to expel the fluid in a spray pattern; and
a second trigger configured to control fluid flow to the gun outlet.
 
8. A portable fluid sprayer system comprising:
a fluid reservoir configured to store a fluid;
a fluid sprayer having an outlet coupling mechanism, wherein the fluid sprayer comprises;
a battery; and
a first pump driven by a motor that is powered by the battery, the first pump configured to pump the fluid from the fluid reservoir to a sprayer outlet proximate the outlet coupling mechanism; and
a second pump that is driven by the motor, the second pump configured to pressurize the fluid reservoir;
outlet assembly comprising:
a spray tip and a first coupling mechanism configured to removably couple to the outlet coupling mechanism;
a fluid nose having a second coupling mechanism configured to removably couple to the outlet coupling mechanism; and
a fluid applicator configured to couple to the fluid hose and receive the fluid from the fluid sprayer.