US Patent 10272974 Boat tower hinge

This invention relates to an improved boat tower hinge which supports a boat tower for use in supporting tow lines used for towing skiers or the like. The hinge can support a boat tower in a raised position while allowing the tower to be swung to a lowered rest position. In the raised tower position the hinge wedges an elongated tongue with polymer sides into an elongated groove having polymer locking inserts to reduce the side-to-side motion of the tower.