Patent ID: 7690959

Claim:
A mounting arrangement for mounting a boat drive to a boat hull, comprising: a mounting collar comprising a first plate having a first opening therein and a first wall extending from a top surface of the first plate around the first opening and defining a first cylinder; a clamping collar comprising a second plate having a second opening therein and a second wall extending from a top surface of the second plate around the second opening and defining a second cylinder, an external shape of at least a top end of the first cylinder substantially matching an internal shape of at least a bottom end of the second cylinder; and the first wall of the mounting collar having a first alignment member and the second wall of the clamping collar having a second alignment member, the first alignment member and the second alignment member being positioned so that, when the first plate is mounted against an exterior of the boat hull and the second plate is mounted against an interior of the boat hull with the first cylinder received in the second cylinder, the first alignment member and the second alignment member align when the boat hull is at least a first predetermined thickness.