US 11,851,912 B2
Universal chassis for door handle assemblies
Gerald Chong, Mission Viejo, CA (US); Jeanette V. Bui, Lake Forest, CA (US); Michael Winardi, Chino Hills, CA (US); and Lynthia Li Yan, Xiamen (CN)
Assigned to ASSA ABLOY Americas Residential Inc., New Haven, CT (US)
Filed by ASSA ABLOY Americas Residential Inc., New Haven, CT (US)
Filed on Jan. 6, 2022, as Appl. No. 17/569,877.
Claims priority of provisional application 63/134,821, filed on Jan. 7, 2021.
Prior Publication US 2022/0213718 A1, Jul. 7, 2022
Int. Cl. E05B 63/00 (2006.01); E05B 15/02 (2006.01); E05B 3/04 (2006.01); E05B 3/06 (2006.01)
CPC E05B 63/0056 (2013.01) [E05B 3/04 (2013.01); E05B 3/06 (2013.01); E05B 15/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A door handle assembly comprising:
a chassis comprising an interior chassis portion and an exterior chassis portion, the interior chassis portion configured to extend from a first side of a door and including at least a first trim plate having at least one first fastener engagement mechanism, and the exterior chassis portion configured to extend from a second side of the door and including at least a second trim plate having at least one second fastener engagement mechanism;
a first escutcheon having at least one first post configured to removably engage the at least one first fastener engagement mechanism;
a second escutcheon having at least one second post configured to removably engage the at least one second fastener engagement mechanism; and
a latch assembly extending between the exterior chassis portion and the interior chassis portion;
wherein the at least one first fastener engagement mechanism and the at least one second fastener engagement mechanism are capable of removably engaging with any of a plurality of different interchangeable escutcheons, wherein the at least one first fastener engagement mechanism comprises at least one first catch configured to snap-fit connect with at least one first cantilever of the first escutcheon, and wherein the at least one second fastener engagement mechanism comprises at least one second catch configured to snap-fit connect with at least one second cantilever of the second escutcheon.