Brakes supposed to ride on "hub"??

I just put the calipers on my 71 demon, and the pads looked like they were pretty straight forward, but the outside pad sits on the hub. The inside sits on the spindle, correct? the outside pad sits in the caliper, but when the caliper is put on, the pad falls onto the hub part of the rotor. This doesn't seem right. If anyone has any pics of how the pads sit in, it would be appreciated. I didn't have pads when i got the calipers, so I have never seen them in. Thanks for any info.

Jeff