US 11,721,961 B2
Mounting mechanism for an electrical device
Jared A. Leese, Easton, PA (US); and Joseph M. Nichols, Boyertown, PA (US)
Assigned to Lutron Technology Company LLC, Coopersburg, PA (US)
Filed by Lutron Technology Company LLC, Coopersburg, PA (US)
Filed on Aug. 6, 2021, as Appl. No. 17/396,227.
Application 17/396,227 is a continuation of application No. 16/151,939, filed on Oct. 4, 2018, granted, now 11,088,518.
Claims priority of provisional application 62/569,079, filed on Oct. 6, 2017.
Prior Publication US 2021/0367414 A1, Nov. 25, 2021
Int. Cl. H02G 3/12 (2006.01); F16M 13/00 (2006.01); H02G 3/08 (2006.01)
CPC H02G 3/12 (2013.01) [F16M 13/005 (2013.01); H02G 3/081 (2013.01); H02G 3/085 (2013.01); H02G 3/123 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A wall box installable in a hollow wall, the wall box
comprising:
a rotatable attachment feature including a body having a fin portion coupled to a drum portion, the drum portion including a female threaded aperture;
a wall box body having an obstructed end and an open end, the body including a recess formed on an external surface of the wall box body, the recess including:
a channel fluidly-coupled to a void space, the channel and void space formed on an external surface of the body, the void space to accommodate the rotatable attachment feature in a 1st position adjacent a side of the wall box body;
wherein the drum portion of the rotatable attachment feature includes a cylindrical portion having a first diameter; and wherein the channel comprises a channel having a width greater than the first diameter; and
wherein the channel further includes a throat portion having a width less than the first diameter such that the drum portion of the rotatable attachment feature is trapped within the channel;
a flange coupled to and extending laterally outward from the open end of the wall box body;
a male threaded fastener having a length and disposed in the channel and engaging the female threaded aperture in the drum portion of the rotatable attachment feature;
wherein, in response to a rotation of the threaded fastener in a first direction, the attachment feature rotates to a 2nd position in which the fin portion extends at an angle from wall box body;
wherein, in response to a continued rotation of the threaded fastener in the first direction, the attachment feature travels in an upward direction along the length of the threaded fastener such that the hollow wall is trapped between the fin portion and the flange.