In one embodiment of the invention, a ladder and method for removably mounting the ladder on a recreational vehicle is disclosed. The ladder may be removed and used as a standard step ladder. The ladder includes a top end and two pairs of legs extending downward from the top end. At least one of the pairs of legs is pivotally mounted to the top end, and a pivoting limiting mechanism is provided to allow the pairs of legs to fold adjacent one another or unfold to a use position as a step ladder. An upper mounting arrangement is attached to the recreational vehicle. The arrangement includes two free ends extending downwardly therefrom; and the top end of the ladder includes receivers for receiving free ends of the upper mounting arrangement.

In one embodiment of the invention, a ladder and method for removably mounting the ladder on a recreational vehicle is disclosed. The ladder may be removed and used as a standard step ladder. The ladder includes a top end and two pairs of legs extending downward from the top end. At least one of the pairs of legs is pivotally mounted to the top end, and a pivoting limiting mechanism is provided to allow the pairs of legs to fold adjacent one another or unfold to a use position as a step ladder. An upper mounting arrangement is attached to the recreational vehicle. The arrangement includes two free ends extending downwardly therefrom; and the top end of the ladder includes receivers for receiving free ends of the upper mounting arrangement.

A roof rack side ladder system is provided with a ladder assembly, a roof rack mounting assembly, and a bumper bracket. The roof rack mounting assembly attaches the upper ladder portion of the ladder assembly to the roof rack of a vehicle and provides for a dual pivot attachment of the ladder assembly to the roof rack for absorbing suspension forces while the vehicle is in transit. The bumper bracket attaches the lower ladder portion of the ladder assembly to the side bumper wing of a vehicle.

A roof rack side ladder system is provided with a ladder assembly, a roof rack mounting assembly, and a bumper bracket. The roof rack mounting assembly attaches the upper ladder portion of the ladder assembly to the roof rack of a vehicle and provides for a dual pivot attachment of the ladder assembly to the roof rack for absorbing suspension forces while the vehicle is in transit. The bumper bracket attaches the lower ladder portion of the ladder assembly to the side bumper wing of a vehicle.

A ladder for a flat bed truck which is movably secured to one side of the flat bed truck. The ladder is selectively movable between a horizontally disposed stowed position beneath one side of the flat bed of the flat bed truck to an upstanding position outwardly of the one side of the flat bed of the truck.

A ladder for a flat bed truck which is movably secured to one side of the flat bed truck. The ladder is selectively movable between a horizontally disposed stowed position beneath one side of the flat bed of the flat bed truck to an upstanding position outwardly of the one side of the flat bed of the truck.

A crane includes a lower traveling body, an upper turning body that is turnably provided on the lower traveling body, a counterweight that is mounted on the upper turning body, and a ladder for getting on and off the upper turning body. The ladder has an engagement member that is able to be engaged with and disengaged from an engaged portion provided at the upper turning body, a support portion that supports the engagement member, and a following mechanism that is interposed between the engagement member and the support portion. When the engaged portion in a state of being engaged with the engagement member is moved downward with work of mounting the counterweight, the following mechanism causes the engagement member to follow downward movement of the engaged portion.

A crane includes a lower traveling body, an upper turning body that is turnably provided on the lower traveling body, a counterweight that is mounted on the upper turning body, and a ladder for getting on and off the upper turning body. The ladder has an engagement member that is able to be engaged with and disengaged from an engaged portion provided at the upper turning body, a support portion that supports the engagement member, and a following mechanism that is interposed between the engagement member and the support portion. When the engaged portion in a state of being engaged with the engagement member is moved downward with work of mounting the counterweight, the following mechanism causes the engagement member to follow downward movement of the engaged portion.

A system is provided for interconnecting a ladder to a vehicle. The system may include a first portion for interconnecting to an upper portion of a vehicle rear door and a second portion for interconnecting to a lower portion of the vehicle rear door. The system provides a ladder interconnection wherein no penetrations are made into the vehicle.

A system is provided for interconnecting a ladder to a vehicle. The system may include a first portion for interconnecting to an upper portion of a vehicle rear door and a second portion for interconnecting to a lower portion of the vehicle rear door. The system provides a ladder interconnection wherein no penetrations are made into the vehicle.