US Patent:
20040141822, Jul 22, 2004
Inventors:
Ned Hiller - Owings Mills MD, US
International Classification:
B23B047/28
Abstract:
A door closer jig and a door closer arm jig to facilitate the installation of a door closer system. The door closer jig aligns the holes in a door frame header to mount the door closer mechanism, and the closer arm jig aligns the holes in a door for the closer arm. The jigs have drill bushings to enable an installer to mark, spot and drilling of holes in the door frame header and closer arm. The jigs save significant time during installation of the door closer systems.