Lee Valley used to have the hardware for this type of bins. Check some of the box stores cabinet hardware areas for what you need.

I did find this site that you can look at the pictures to see if they are similar to what you want.

You may also find a design by going to your local book store and checking out the do it yourself woodworking books. Look not only in kitchen but gardening as some of the designs for tilting soil bins could be adapted.

Here is a link that might be useful: pictures of tilt out bins