Wash arm attachment
AssigneeMaytag Corporation
InventorsThomas M. Johnson, Lawrence J. Jordan
Life of this patent
Estimating the term…
Abstract
A wash arm attachment includes a conduit connector having a threaded end extending through a central opening in the top wall of the dishwasher tub. An upper coupling member is threaded over the threaded end of the connector member and includes a shank portion which extends downwardly into a central opening of a wash arm so that the shank portion is enclosed within an internal spray chamber of the wash arm. A retainer stud has a plurality of cantilevered spring arms which are inserted into a tapered sleeve within the lower end of the upper coupling member so as to retain the two together and so as to permit the rotatable mounting of the spray arm within the dishwasher.
Claims15
In combination:
- a dishwasher tub having tub walls enclosing a washing chamber;
- a wash arm having a longitudinal axis, first and second opposite ends, and spaced apart upper and lower walls defining a spray chamber therebetween, an upper circular opening being in said upper wall and a lower circular opening being in said lower wall and registered below said upper circular opening;
- a first coupling member having an upper portion above said upper wall of said wash arm and having a shank portion extending downwardly through said upper circular opening into said spray chamber;
- a second coupling member having a head portion below said bottom wall of said wash arm and having a shank portion extending upwardly through said lower circular opening into said spray chamber and retentively engaging said shank portion of said first coupling member, whereby said wash arm is free to rotate about said shank portions of said first and second coupling members;
- means attaching said upper portion of said first coupling member to said dishwasher tub within said washing chamber whereby said wash arm, said first coupling member and said second coupling member are within said washing chamber.
Dependencies are inferred from the claim text.