US 11,655,580 B2
Washer appliance with removable agitator post having twist lock mechanism
Venkata Chakradhar Rangu, Hyderabad (IN); Kalyana Mallavarapu, Hyderabad (IN); Neelapala Gopinath Yadav, Hyderabad (IN); Veera Venkata Anil Bhaskar Prasad Seereddy, Hyderabad (IN); and Srikanth Gopireddy, Hyderabad (IN)
Assigned to Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed by Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed on Jul. 1, 2021, as Appl. No. 17/365,384.
Prior Publication US 2023/0002949 A1, Jan. 5, 2023
Int. Cl. D06F 37/24 (2006.01); D06F 23/04 (2006.01)
CPC D06F 37/24 (2013.01) [D06F 23/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A washing appliance, comprising:
a cabinet;
a wash tub positioned in the cabinet and defining a wash chamber;
a wash drum rotatably mounted within the wash chamber and configured for receiving articles for washing;
an impeller positioned in the wash drum, the impeller being rotational about a vertical axis and configured for imparting motion to the articles during washing, the impeller including
a receptacle,
a plurality of grooves extending along a circumferential direction about the receptacle;
a plurality of notches, each notch connected with one of the plurality of grooves and extending along a vertical direction;
a plurality of access channels, each access channel connected with one of the plurality of grooves and extending along the vertical direction;
an agitator post configured for removable positioning in the receptacle of the impeller, the agitator post having a top end and a bottom end, the agitator post including a plurality of agitator tabs proximate the bottom end that project along a radial direction and are configured for movement along the circumferential direction within the plurality of grooves and movement along the vertical direction within the plurality of notches and the plurality of access channels;
a biasing element positioned between the impeller and agitator post when the agitator post is received in the receptacle, the biasing element configured for urging the agitator post upwardly along the vertical direction within the receptacle.