US 12,359,413 B2
Reconfigurable flapper for different sized flush valves
Jordan D. Smith, Waukesha, WI (US); and Glenn W. Brown, Franklin, WI (US)
Assigned to Lavelle Industries, Inc., Burlington, WI (US)
Filed by Jordan D. Smith, Waukesha, WI (US); and Glenn W. Brown, Franklin, WI (US)
Filed on Aug. 25, 2021, as Appl. No. 17/411,272.
Claims priority of provisional application 63/070,637, filed on Aug. 26, 2020.
Prior Publication US 2022/0064924 A1, Mar. 3, 2022
Int. Cl. E03D 1/35 (2006.01)
CPC E03D 1/35 (2013.01) 20 Claims
OG exemplary drawing
 
3. A toilet flapper assembly kit comprising:
a frame including a buoyancy assembly attachment having a buoyancy assembly attachment interface;
a first buoyancy assembly attachable to the buoyancy assembly attachment interface, the first buoyancy assembly providing a first amount of buoyancy when attached to the buoyancy assembly attachment; and
a second buoyancy assembly attachable to the buoyancy assembly attachment interface, the second buoyancy assembly providing a second amount of buoyancy when attached to the buoyancy assembly attachment, the second amount being different than the first amount;
wherein:
the frame includes:
a) a main frame;
b) the buoyancy assembly attachment has a first buoyancy assembly attachment interface and a second buoyancy assembly attachment interface that is configured differently than the first buoyancy assembly attachment interface;
the first buoyancy assembly attachable to the first buoyancy assembly attachment interface;
the second buoyancy assembly attachable to the second buoyancy assembly attachment interface;
a first seal member attachable to the frame having a first characteristic for sealing with a valve seat of a first size flapper valve assembly;
a second seal member attachable to the frame having a second characteristic for sealing with a valve seat of a second size flapper valve assembly, the second size being different than the first size.