A boat dock bumper assembly configured for mounting on a boat dock and protecting a boat against damage from impacts with a side surface and a lower surface of the dock. The bumper assembly includes a clamp frame, an upper jaw, and a bumper. The upper jaw is movably coupled to the clamp frame for clamping a boat dock between the upper jaw and a lower jaw of the clamp frame. The bumper is joined to the clamp frame and has an upper portion and a lower portion. The upper and lower portions of the bumper may be integral or separable. The bumper is configured to absorb impacts from collisions between the boat and the dock. A method of protecting a boat against damage from impacts with a side surface and a lower surface of a boat dock using the bumper assembly.

An automatically retractable marine ladder, and a method of using the ladder. The ladder rotates between a horizontal/resting position, and an angular/in-use position, under at least in part the influence of a force-generating element, such as a cantilever weight, spring, etc.

An automatically retractable marine ladder, and a method of using the ladder. The ladder rotates between a horizontal/resting position, and an angular/in-use position, under at least in part the influence of a force-generating element, such as a cantilever weight, spring, etc.

A mechanism that allows a ladder to be moved to either a use position or a retracted position. The ladder can be moved from the retracted position to the use position with a minimal effort, and the ladder moves by itself from the use position to the retracted position. A pit ladder apparatus for an elevator according to the present invention includes a position change means to be provided in a fixing metal frame fixed to the hoistway and allowing a ladder to be moved to either the use position when the ladder is used or the retracted position for retracting the ladder when it is not used so as not to interfere with operation of the elevator.

A mechanism that allows a ladder to be moved to either a use position or a retracted position. The ladder can be moved from the retracted position to the use position with a minimal effort, and the ladder moves by itself from the use position to the retracted position. A pit ladder apparatus for an elevator according to the present invention includes a position change means to be provided in a fixing metal frame fixed to the hoistway and allowing a ladder to be moved to either the use position when the ladder is used or the retracted position for retracting the ladder when it is not used so as not to interfere with operation of the elevator.

An access platform system for enabling access to and from ground-based structures, vehicles, and mobile equipment. The system has a main frame that is attached to or juxtaposed with one or more of the ground-based structures, vehicles, and mobile equipment; a vertical platform displacement assembly attached to the main frame; and a folding steps assembly. The vertical displacement mechanism has a multi-stage apparatus for influencing the stroke of lift cylinders. In one embodiment, the folding steps assembly has folding and unfolding steps.

An access platform system for enabling access to and from ground-based structures, vehicles, and mobile equipment. The system has a main frame that is attached to or juxtaposed with one or more of the ground-based structures, vehicles, and mobile equipment; a vertical platform displacement assembly attached to the main frame; and a folding steps assembly. The vertical displacement mechanism has a multi-stage apparatus for influencing the stroke of lift cylinders. In one embodiment, the folding steps assembly has folding and unfolding steps.

A wirelessly electrically-coupled deployable apparatus comprising a deployable structure supported on a supporting structure for motion between a stowed position and a deployed position, an electrically-powered device carried by the deployable structure, a wireless electrical power receiving circuit carried by the deployable structure and connected between the device and a wireless electrical power receiver, and a wireless electrical power transmitting circuit carried by the supporting structure and connected between an electrical power supply and a wireless electrical power transmitter. The wireless electrical power transmitter is carried by the supporting structure, and the wireless electrical power receiver is carried by the deployable structure, in respective positions where wireless electrical power transfer between the wireless electrical power transmitter and receiver powers the device via the receiving circuit when the deployable structure is in its deployed position.

An access deck assembly is provided for an aerial lift vehicle mobile platform. A base member defines an upper surface to support an operator, and has first and second guides to cooperate with the platform. A locking mechanism is supported by the base member and retains the access deck to the platform. A method of connecting an access deck assembly to a mobile platform is provided. The access deck assembly is positioned relative to the platform to be above and spaced apart from the platform floor surface, with the base member of the access deck assembly substantially within a perimeter frame of the platform. An access deck assembly has a guide member connected to a base member and configured to connect the base member to the mobile platform and support the base member directly above and spaced apart from the platform floor surface.

An access deck assembly is provided for an aerial lift vehicle mobile platform. A base member defines an upper surface to support an operator, and has first and second guides to cooperate with the platform. A locking mechanism is supported by the base member and retains the access deck to the platform. A method of connecting an access deck assembly to a mobile platform is provided. The access deck assembly is positioned relative to the platform to be above and spaced apart from the platform floor surface, with the base member of the access deck assembly substantially within a perimeter frame of the platform. An access deck assembly has a guide member connected to a base member and configured to connect the base member to the mobile platform and support the base member directly above and spaced apart from the platform floor surface.