DOOR CLOSER WITH BACKOUT PREVENTION

• Main Authors: SHETTY ADITHYA G, KOESKE PAUL, PATTAR JONAH M, TOLODAY DAVID V, JACOB COLINS V, BARBON MITCHELL T
• Format: Patent
• Language: Chinese; English
• Published: 18.02.2022
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

An exemplary door closer includes a housing defining a hydraulic chamber having a hydraulic fluid disposed therein. A pinion is rotatably mounted to the housing and extends into the hydraulic chamber. A piston is mounted for reciprocal movement within the housing, and defines a rack engaged with the...