US 6,981,658 B2
Liquid sprayers
Alen David Streutker, Florence, Ky. (US); Travis Edward Langevin, Olathe, Kans. (US); Robert James Good, Raytown, Mo. (US); Ka-Nam Ho, Shatin (Hong Kong Special Administrative Reg ); Steve Lynn Sweeton, Lee-S Summit, Mo. (US); and Phillip Joseph DiMaggio, Kansas City, Mo. (US)
Assigned to The Procter & Gamble Company, Cincinnati, Ohio (US)
Filed on Oct. 28, 2002, as Appl. No. 10/281,530.
Application 10/281530 is a division of application No. 09/624061, filed on Jul. 24, 2000, granted, now 6,502,766.
Prior Publication US 2003/0042330 A1, Mar. 06, 2003
This patent is subject to a terminal disclaimer.
Int. Cl. B05B 7/32 (2006.01); B05B 9/04 (2006.01); F23D 11/24 (2006.01); F23D 14/28 (2006.01); F23D 14/34 (2006.01)
U.S. Cl. 239—337 15 Claims
OG exemplary drawing
 
1. A liquid sprayer comprising:
a bottle having an opening;
a sprayer housing connected to said bottle, said sprayer housing including an electric motor, a voltage source for powering said electric motor, a pump driven by said motor, a switch for completing an electrical circuit, a nozzle mechanism attached to said sprayer housing for spraying a liquid, a vent housing having an inner surface, an outer surface, a first opening wherein said first opening is in fluid communication with said bottle, a second opening wherein said second opening is in fluid communication with the outside atmosphere, and a translating piston disposed in said vent housing;
a trigger movably connected to said sprayer housing for closing said switch and translating said piston;
a pump supply tube extending from said opening of said bottle to an inlet of said pump; and
a pump discharge tube extending from an outlet of said pump to an opening of said nozzle mechanism.