US 11,732,914 B2
Grille attachment feature for a ventilation system
Bradley Mergener, Hartford, WI (US); Rick Sinur, Hartford, WI (US); and Ryan Revers, Hartford, WI (US)
Assigned to Broan-NuTone LLC, Hartford, WI (US)
Filed by Broan-NuTone LLC, Hartford, WI (US)
Filed on Mar. 8, 2022, as Appl. No. 17/689,044.
Application 17/689,044 is a division of application No. 16/777,012, filed on Jan. 30, 2020, granted, now 11,300,305.
Claims priority of provisional application 62/806,236, filed on Feb. 15, 2019.
Prior Publication US 2022/0275954 A1, Sep. 1, 2022
Int. Cl. F24F 7/013 (2006.01); F24F 13/08 (2006.01)
CPC F24F 7/013 (2013.01) [F24F 13/084 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A ventilation system comprising
a main housing defining an internal region configured to be positioned adjacent to a room of a building structure,
a blower coupled to the main housing and configured to draw air out of the room of the building structure, and
a grille configured to at least partially block view of the blower and comprising an attachment feature, the attachment feature configured to be removably coupled to at least one of the main housing and the blower, the attachment feature including:
a grille spring comprising a pair of arms, and
a spring-compression link coupled to both of the arms and configured to slide relative to the arms and to move the grille spring from an uncompressed state, in which the arms flare outwardly from one another, and a compressed state, in which the arms moved closer to one another and retained in the compressed state by the spring-compression link prior to installation of the grille.