US 6,981,533 B2
Appliance for perfecting the snap connection and disconnection of the tank for floor-washing appliance, containing liquids with a discharge pipe inserted in the element that supports the tank
Bruno Zorzo, Villa Del Conte (Italy)
Assigned to Filmop S.R.L., Villa Del Conte (Italy)
Filed on Dec. 30, 2003, as Appl. No. 10/748,461.
Claims priority of application No. PD2003A0001 (IT), filed on Jan. 03, 2003.
Prior Publication US 2004/0165934 A1, Aug. 26, 2004
Int. Cl. B65B 1/04 (2006.01)
U.S. Cl. 141—351 14 Claims
OG exemplary drawing
 
1. A tank assembly for removable attachment to the handle of a floor-washing apparatus which comprises: a tank having an upper portion and a lower portion; a removable lid affixed to said upper portion; a fluid discharge opening formed in the lower portion; a spring-biased valve mounted in the lower portion of said tank at said fluid discharge opening and movable alternatively between a first valve position in which said fluid discharge opening is open to the allow the passage of fluid there through and a second valve position in which said fluid discharge opening is closed to prevent the passage of fluid there through; a tank receptacle adapted to receive said tank lower portion having a top portion and a bottom portion; a fluid discharge sleeve mounted in the bottom portion of said tank receptacle and connected to a fluid discharge line; tank attachment means for attaching said tank lower portion to said tank receptacle bottom portion; and wherein said receptacle mounted fluid discharge sleeve engages said spring-biased valve affixed to said tank lower portion to move said spring-biased valve to said first valve position to provide fluid communication between said tank and said fluid discharge sleeve when said tank lower portion is attached to said tank receptacle bottom portion.