20110163553 | MULTIPOINT LOCK EXTENSION FOR A ROUND TOP DOOR - A latch and lock extension is provided for a round top door, for use in combination with a multipoint latch and lock mechanism of the type disclosed in U.S. Pat. No. 5,290,077. The extension comprises a curved channel for guiding an elongated auxiliary actuator drive bar along a curved path from one side edge of the door where it is coupled with a main drive bar as disclosed in U.S. Pat. No. 5,290,077, to at least one auxiliary latch cartridge disposed generally at the top of the round top door for engaging an associated keeper in the top of the door frame. The auxiliary actuator drive bar is constructed from an assembled plurality of articulating links and a plurality of relatively rigid bridge links to accommodate the size and curved shape of the curved channel. | 07-07-2011 |