US Patent 8967744 Reinforcement device for slide assembly

A reinforcement device includes a rail, a reinforcement member and an extension support which is connected to the reinforcement member. The rail has a top wall, a bottom wall and a sidewall connected between the top and bottom walls. The sidewall has a first face and a second face which is located opposite to the first face. A space between the top wall, the bottom wall and the first face of the sidewall defines a slide path. The reinforcement member is connected to the reinforcement path of the rail. The extension support is engaged with the rail. The rail is reinforced by the reinforcement member and the extension support.