Abstract: An adjustable trim plate can be incorporated on the transom bracket of an outboard motor jack plate having right and left transom bracket members and right and left motor bracket members, by eliminating or modifying a lower cross-member of the motor bracket to provide clearance for an actuator connected to an upper transom bracket cross-member.

Abstract: A carrying case has an elongated housing having a central and two end housing structures in overlapping, telescoping relationship so that the length of the carrying case can be adjusted. Hinges are connected to each housing with the hinge axes aligned so that the housings can be jointly rotated between open and closed positions without twisting the housing structures. Hinge alignment is possible by making the leaves of some hinges radially longer than the leaves of other hinges. Interengaging, load-bearing bosses are provided on the housing structures for adjustability to the length of the carrying case while providing strong connections, making it possible to use light weight material. Ribs and buttresses are molded as unitary parts of the central element and have an interengaging feature for reinforcement.