US 11,732,516 B2
Door closer adjustment with backout discouragement
Colins V. Jacob, Bangalore (IN); Christopher A. Salisbury, Ohio, IL (US); Kanagaraj Shanmugam, Virudhunagar District (IN); Zachary P. Boomer, Indianapolis, IN (US); and Daniel Cannon, Indianapolis, IN (US)
Assigned to Schlage Lock Company LLC, Carmel, IN (US)
Filed by Schlage Lock Company LLC, Carmel, IN (US)
Filed on Jul. 12, 2021, as Appl. No. 17/373,029.
Prior Publication US 2023/0007921 A1, Jan. 12, 2023
Int. Cl. E05F 3/10 (2006.01); E05F 3/12 (2006.01); F16B 35/04 (2006.01)
CPC E05F 3/12 (2013.01) [F16B 35/041 (2013.01); E05Y 2201/716 (2013.01); E05Y 2201/722 (2013.01); E05Y 2900/132 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A door closer, comprising:
a body including a surface and a cavity extending from the surface into the body, wherein the cavity comprises an internal threading;
a regulation screw mounted in the cavity and including an external threading engaged with the internal threading, wherein rotation of the regulation screw in a first direction advances the regulation screw, and wherein rotation of the regulation screw in an opposite second direction withdraws the regulation screw; and
an indicator engaged with the regulation screw and positioned at least partially within the cavity, wherein the indicator is positioned to project beyond the surface when the regulation screw is withdrawn to a reference position relative to the body.