Improved Method of Applying Hinges to Casement Windows.

摘要

130,837. Crittall Manufacturing Co., and Crittall, W. F. Sept. 25, 1918. Hinges. - A method of application to casement windows consists in separately attaching the two members 3, 4 to the fixed and movable frames 1, 2 of the window, clamping the two frames together, and then drilling the holes for the pivot pin 5 through the hinge members while the frames are so clamped.