A self-deploying float assembly to support mechanical equipment such as aerators and mixers for use in water, wastewater and process water stream treatment basins and a method of installing same.

Described are various embodiments for coupling devices for dock installations.

Described are various embodiments for coupling devices for dock installations.

A self-deploying float assembly to support mechanical equipment such as aerators and mixers for use in water, wastewater and process water stream treatment basins and a method of installing same.

A self-deploying float assembly to support mechanical equipment such as aerators and mixers for use in water, wastewater and process water stream treatment basins and a method of installing same.

A retractable pontoon boat has a deck, a starboard pontoon and a port pontoon, a center beam coupled to the underside of the deck and running substantially from bow to stern, a plurality of pivoting arms coupling the pontoons to the center beam, a plurality of bearings interposed between the deck and the pivoting arms, and one or more linear actuators for actuating the pivoting arms; wherein, in a first, retracted position, the pontoons are substantially underneath the deck; and wherein, in a second, extended position, the pontoons are substantially extended from underneath the deck.

A retractable pontoon boat has a deck, a starboard pontoon and a port pontoon, a center beam coupled to the underside of the deck and running substantially from bow to stern, a plurality of pivoting arms coupling the pontoons to the center beam, a plurality of bearings interposed between the deck and the pivoting arms, and one or more linear actuators for actuating the pivoting arms; wherein, in a first, retracted position, the pontoons are substantially underneath the deck; and wherein, in a second, extended position, the pontoons are substantially extended from underneath the deck.

There is provided a folding boat structure for facilitating transportation, the structure comprising: a central structure having a fixed primary hull; outrigging supporting at least one secondary hull structure having a secondary hull to the central structure, wherein: the outrigging is double hinged so as to be user configurable in a deployed configuration and a stowed configuration and wherein: in the deployed configuration, the at least one secondary hull is located laterally adjacent the main hull and downwardly orientated; and in the stowed configuration, the at least one secondary hull is located above the main hull and upwardly orientated.

There is provided a folding boat structure for facilitating transportation, the structure comprising: a central structure having a fixed primary hull; outrigging supporting at least one secondary hull structure having a secondary hull to the central structure, wherein: the outrigging is double hinged so as to be user configurable in a deployed configuration and a stowed configuration and wherein: in the deployed configuration, the at least one secondary hull is located laterally adjacent the main hull and downwardly orientated; and in the stowed configuration, the at least one secondary hull is located above the main hull and upwardly orientated.