Abstract: Disclosed herein is a device for closing swinging doors which is mounted in a door frame and has an elongated housing with a spindle rotatably mounted in one end thereof by which the door closer is secured to a door. A cylinder is interiorly formed in the other end of the housing and has a piston disposed therein. The piston rod extends from the cylinder and is secured at its extended end to a pair of flat carrier plates which are slidably mounted within the housing about the spindle and biased to maintain the door in a closed position. Camming surfaces are carried by the spindle which cooperate with a pair of cam followers carried by the carrier plates to hold the door in an open position. Valve means communicating with the cylinder are provided to permit fluid flow from one end of the cylinder to the other about the piston for controlling the rate of travel of the piston within the cylinder and thereby regulate the rate of movement of the door as it is being opened, closed and latched.
Type:
Grant
Filed:
March 18, 1976
Date of Patent:
December 27, 1977
Assignee:
Builders Brass Works
Inventors:
Thomas M. Bejarano, Herbert Schmidt, Joseph J. Schmidt
Abstract: A bumper adapted for mounting on a wall and contacting a door or doorknob to stop the swing of the door towards the wall which is comprised of a resilient bumper which protrudes through an aperture in an annular retaining housing. The bumper has an enlarged annular base portion which abutts the interior front wall of the housing to maintain the bumper within the housing. A deformable plate is disposed within an annular channel in the wall of the housing and upon deformation maintains the bumper rigidly within the housing and provides means for securing the wall bumper to the wall.