US 12,116,766 B2
Blind install drain for bath or shower
Kenneth Stout, Sheboygan Falls, WI (US)
Assigned to KOHLER CO., Kohler, WI (US)
Filed by Kohler Co., Kohler, WI (US)
Filed on Dec. 4, 2020, as Appl. No. 17/112,942.
Claims priority of provisional application 62/949,942, filed on Dec. 18, 2019.
Prior Publication US 2021/0189711 A1, Jun. 24, 2021
Int. Cl. E03F 5/04 (2006.01); A47K 1/14 (2006.01)
CPC E03F 5/0407 (2013.01) [A47K 1/14 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A drain installation assembly comprising:
a drain coupling configured to be inserted into a drain opening of a wash basin from a top side of the wash basin, the drain coupling comprising:
a first coupling end and a second coupling end, the second coupling end positioned opposite to the first coupling end; and
a squeeze portion positioned between the first coupling end and the second coupling end, the squeeze portion formed of a flexible material; and
a drain body comprising a body flange extending radially away from the drain body;
wherein the squeeze portion is configured to deform so as to define a squeeze bulge when the drain coupling is coupled to the drain body, the squeeze bulge having a diameter greater than a diameter of the drain opening of the wash basin.