Improvements in and connected with Single and Double Action Swing and other Doors.

摘要

10,137. Meiklejohn, A. April 26. Hinges for swing doors, of the kind that are adapted to close under the action of a spring- pressed roller running on inclines, comprise a heel-plate provided with a projecting hinge pin F engaging a socket D in the base plate. An upper socket for the reception of the upper pin is composed of two members clamped together by screws.