Patent ID: 8764136

Claim:
A coupling device comprising: a moveably-mounted coupling portion for releasably connecting said coupling device to a moveable rail of a drawer extension guide; and an adapter device for adjusting a vertical position of said coupling portion relative to a bottom of a drawer, said adapter device including: a mounting portion to be fixed to the drawer; and an adjusting portion connected to said coupling portion and configured to adjustably engage said mounting portion to adjust a position of said coupling portion relative to said mounting portion along an axis substantially perpendicular to the bottom of the drawer and in a direction towards the bottom of the drawer, and to prevent adjustment of the position of said coupling portion relative to said mounting portion in a direction away from the bottom of the drawer wherein said mounting portion has a tooth arrangement extending along said axis substantially perpendicular to the bottom of the drawer, and said adjusting portion has a tongue configured to engage any of a plurality of teeth of said tooth arrangement of said mounting portion so as to position said coupling portion at a desired vertical position relative to the bottom of the drawer, said teeth of said tooth arrangement and said tongue being configured to allow movement of said tongue along said tooth arrangement only in the direction towards the bottom of the drawer while preventing movement of said tongue in a direction away from the bottom of the drawer bottom.