US 12,031,310 B2
Pop-up drain stopper and actuator assembly
Ken Sapp, Lakeville, MN (US); and DeChang Li, Maspeth, NY (US)
Assigned to COMPASS MANUFACTURING INTERNATIONAL, LLC, Louisville, KY (US)
Filed by COMPASS MANUFACTURING INTERNATIONAL, LLC, Louisville, KY (US)
Filed on Aug. 16, 2022, as Appl. No. 17/889,365.
Application 17/889,365 is a continuation in part of application No. 17/872,083, filed on Jul. 25, 2022.
Claims priority of provisional application 63/398,211, filed on Aug. 15, 2022.
Claims priority of provisional application 63/233,706, filed on Aug. 16, 2021.
Prior Publication US 2023/0148123 A1, May 11, 2023
Int. Cl. E03C 1/23 (2006.01); E03C 1/262 (2006.01)
CPC E03C 1/2302 (2013.01) [E03C 1/262 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A pop-up drain stopper actuator assembly, comprising:
an actuator housing having at least two vertical flanges and at least two guide tabs extending from a side of a lower portion of said actuator housing with a spaced apart horizontal medial ring and a bottom base ring attaching to and extending from an outer edge of said at least two vertical flanges and at least two guide tabs for aligning and cooperative slidable engagement with an inner wall of a drain body conduit;
said actuator including a support stem including a threaded top stem and an integral cam travel groove path formed on a recessed face of a bottom portion of said support stem;
a cam following pin having a top distal end disposed in said integral cam travel groove path, said cam following pin projecting downward into a coiled spring having a top end cooperatively engaging a bottom portion of said support stem for insertion into said actuator housing;
said cam following pin to having an opposing end secured to a bottom of said cam support; and
a stopper assembly including a stopper body having a cover, a recessed threaded opening in said stopper body for cooperative threaded engagement with said threaded top stem, a seal member for cooperative engagement with a drain conduit providing sealing water tight engagement with said stopper body, and a removable screen cooperatively engaging a bottom surface of said stopper body and cooperatively engaging a inner sidewall of said drain conduit.