US 12,116,825 B2
Adjustment screw indicator mechanism
Benaka Gireesha, Udupi (IN); Ankith Kulal, Mangalore (IN); and Vidyashree D. Shenoy, Bangalore (IN)
Assigned to Schlage Lock Company LLC, Carmel, IN (US)
Filed by Schlage Lock Company LLC, Carmel, IN (US)
Filed on Apr. 13, 2022, as Appl. No. 17/719,577.
Prior Publication US 2023/0332450 A1, Oct. 19, 2023
Int. Cl. E05F 3/04 (2006.01); E05F 3/10 (2006.01)
CPC E05F 3/10 (2013.01) 15 Claims
OG exemplary drawing
 
1. A hydraulic door operator, comprising:
a body;
a hydraulic regulation valve mounted to the body and operable to adjust an operating characteristic of the hydraulic door operator, the hydraulic regulation valve including an adjustment screw having a variable screw position;
a visual indicator mechanism engaged with the hydraulic regulation valve and configured to provide a visual indication relating to a level of regulation provided by the hydraulic regulation valve, the visual indication varying according to the variable screw position; and
a Geneva drive mechanism configured to rotate an indicator wheel through a predetermined angle in response to a 360° rotation of the adjustment screw, the Geneva drive mechanism comprising a dead-stop configured to limit rotation of the adjustment screw to a predetermined rotational range.