Patent ID: 9114864
Filing Date: 2015-08-25
Classification: B63H

Abstract:
1. A boat hull with a bottom-mounted drive unit for at least one propeller, comprising: a lower housing section of the bottom-mounted drive unit; an upper housing section of the bottom-mounted drive unit; an intermediate housing section of the bottom-mounted drive unit disposed between the lower housing section and the upper housing section, the intermediate housing section having an outwardly extending retention portion; a hull support ring mounted to a bottom of the boat hull and surrounding an opening through the bottom of the boat hull, the hull support ring having a downwardly facing support ring surface; and a clamp ring fastened to the hull support ring and having an upwardly facing clamp ring surface, wherein the outwardly extending retention portion is disposed between the downwardly facing support ring surface and the upwardly facing clamp ring surface to retain the outwardly extending retention portion of the bottom-mounted drive unit within the hull support ring.