US 11,721,250 B2
Door closer power adjustment
Adithya Gangadhar Shetty, Bangalore (IN)
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. 17/372,926.
Prior Publication US 2023/0011048 A1, Jan. 12, 2023
Int. Cl. G09F 23/00 (2006.01); E05F 1/10 (2006.01)
CPC G09F 23/00 (2013.01) [E05F 1/105 (2013.01); E05Y 2201/474 (2013.01); E05Y 2900/132 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An indicator mechanism for a door closer comprising a body and an adjustment screw rotatably mounted to the body, the indicator mechanism comprising:
a base configured for mounting to the body of the door closer, the base comprising a plurality of lobes and one of an indicator or at least one indicium;
a cycloidal gear mounted for movement relative to the base, the cycloidal gear comprising the other of the indicator or the at least one indicium;
a driver rotatably supported by the base and configured for engagement with the adjustment screw, the driver comprising an eccentric shaft engaged with the cycloidal gear; and
a cycloidal drive configured to selectively align the indicator and the at least one indicium to thereby indicate an operating characteristic of the door closer, the cycloidal drive comprising the plurality of lobes, the cycloidal gear, and the eccentric shaft.