Patent ID: 7604265
Filing Date: 2009-10-20
Classification: E05B,Y10S,Y10T

Abstract:
1. A latch assembly comprising: a housing having a base and a cover connected to the base by first and second fixing members, the base having a first outer surface and a side wall, the first outer surface defining two apertures and two retaining holes, the side wall defining a plurality of holes, the cover defining a plurality of holes defined through a side thereof and being in alignment with the holes in the side wall, first ends of the fixing members extending through the holes in the side wall and second ends of the fixing members extending through the holes in the side of the cover; first and second adjusting members located between the base and the cover; a drive knob having a key hole, the drive knob defining first and second ends, the first end extending successively through a through hole in the first adjusting member and a hole in the side wall, the second end extending successively through a through hole in the second adjusting member and a hole in the side of the cover; a first link having first and second connection portions and a protrusion and defining a through hole, the connection portions being located at two sides of the through hole of the first link, the drive knob extending through the through hole of the first link and defining a drive surface engaged with a straight inside portion in an inner periphery of the through hole of the link; a second link having a through hole through which the first fixing member extends, the second link having an adjusting portion and a positioning portion which are located at two sides of the through hole, the adjusting portion being connected to the first connection portion of the first link; first and second hooks, each hook having a bore, a retaining slot, and a hook end, the retaining slot of the first hook being pivotably connected to the second connection portion of the first link, and the retaining slot of the second hook being pivotably connected to the positioning portion of the second link; and a spring connected to the protrusion of the first link and configured to be compressed when the first link is pivoted, wherein the drive knob is configured to rotate the first and second links in opposite directions such that when the drive knob is rotated counterclockwise the first and second hooks are pivoted in opposite directions and extended through the apertures of the base.