Abstract: A leveling system for a lift device includes an axle, a pin, a cradle, and a chassis. The axle is configured to rotatably couple with one or more tractive elements. The pin extends through a bore of the axle. The cradle is pivotally coupled with the pin. The chassis is pivotally coupled with the pin and includes a first actuator and a second actuator. The first actuator and the second actuator each include a body and a rod configured to extend relative to the body. The rods of the first actuator and the second actuator are configured to be extended to engage corresponding surfaces on opposite sides of the cradle. The cradle and the chassis are configured to rock in unison a limited angular amount relative to the axle.

Abstract: A boom system includes a base assembly and a boom assembly. The boom assembly includes a boom including a plurality of boom sections. The plurality of boom sections includes a lower boom section coupled to and extending away from the base assembly and defining a proximal end of the boom and an upper boom section defining a distal end of the boom. The boom assembly further includes an attachment coupler assembly coupled to a boom section other than the upper boom section and configured to receive a first implement. The boom assembly further includes an implement connector positioned at the distal end of the boom, the implement connector configured to receive a second implement.

Abstract: A lift device includes a lift apparatus for raising and lowering a robotic attachment. The lift apparatus includes a base assembly, the base assembly including a prime mover to rotate one or more wheels. The robotic attachment includes a base, a primary robotic implement, and a secondary robotic implement, each moveable independent of the base. The robotic attachment further includes a stabilizer bar coupled to the base and configured to engage with an external support to provide a stabilizing force to the robotic attachment. At least one of the primary robotic implement and the secondary robotic implement are configured to move one or more end effectors to perform a welding operation, including a weld gun, a weld lead, and a needle scaler. The lift apparatus may also include a control system configured to position the robotic implements in a plurality of preset positions.

Abstract: A machine includes a chassis, a turntable coupled to the chassis, a boom coupled to the turntable, an axle, a first actuator, and a second actuator. The chassis has a first end and an opposing second end, and defines a longitudinal center axis. The turntable is selectively rotatable about a rotation axis. The axle is pivotally coupled to the first end of the chassis and configured to pivot about the longitudinal center axis. The first actuator is coupled to the first end of the chassis and positioned on a first side of the longitudinal center axis. The first actuator is extendable to selectively engage a first contact point on the axle. The second actuator is coupled to the first end of the chassis and positioned on an opposing second side of the longitudinal center axis. The second actuator is extendable to selectively engage a second contact point on the axle.

Abstract: A boom lift includes a base having a first end and an opposing second end, a turntable coupled to the base, a boom coupled to the turntable, an assembly pivotably coupled to the first end of the base, and a first actuator coupled to the first end of the base and the assembly. The assembly includes a tractive element. The assembly extends from the base such that the tractive element is longitudinally offset from and spaced forward of the first end and the opposing second end of the base.

Abstract: A work platform for a personnel lift includes a floor structure, a safety rail coupled with the floor structure and defining a personnel work area, and a control panel area. A protection envelope surrounds the control panel area and enhances protection for an operator from an obstruction or structure that may constitute a crushing hazard. In one arrangement, the protection envelope includes protection bars on either side of the control panel area extending above the safety rail relative to the floor structure. In another arrangement, the protection envelope includes a platform barrier that is configured to trip upon an application of a predetermined force.

Abstract: A leveling system for a lift device includes an axle, a pin, a cradle, and a chassis. The axle is configured to rotatably couple with one or more tractive elements. The pin extends through a bore of the axle. The cradle is pivotally coupled with the pin. The chassis is pivotally coupled with the pin and includes a first actuator and a second actuator. The first actuator and the second actuator each include a body and a rod configured to extend relative to the body. The rods of the first actuator and the second actuator are configured to be extended to engage corresponding surfaces on opposite sides of the cradle. The cradle and the chassis are configured to rock in unison a limited angular amount relative to the axle.

Abstract: A lift device includes a chassis, a lift assembly supported on the chassis, a platform including a platform floor, a sensor coupled to the platform and positioned adjacent the platform floor, and a control system in communication with the lift assembly and the sensor. The sensor is oriented to sense objects or obstacles above the platform. The platform is displaceable by the lift assembly between a raised position and a lowered position.

Abstract: A platform assembly includes a work platform including a platform floor and a safety rail extending from the platform floor to a rail height, and a primary sensor unit secured to the work platform and positioned adjacent one of the platform floor and the safety rail. The primary sensor unit is configured to monitor an area from the platform floor or from the safety rail to a space above the rail height and forward and aft of the work platform. The platform assembly enhances protection for an operator from sustained involuntary operation resulting in an impact with an obstruction or structure.

Abstract: A solar panel installation system includes a solar panel unloading machine, a solar panel carrier machine, and a solar panel installation machine. The solar panel unloading machine is configured to autonomously interact with a shipping device carrying a plurality of solar panels to unload the plurality of solar panels from the shipping device and autonomously transfer the plurality of solar panels to the solar panel carrier machine. The solar panel carrier machine is configured autonomously transport the plurality of solar panels to a location proximate where the plurality of solar panels are to be installed. The solar panel installation machine is configured to autonomously pick up a respective solar panel of the plurality of solar panels from the solar panel carrier machine and autonomously provide the respective solar panel to an installation location where the respective solar panel can be secured to a solar panel support.

Abstract: A carrier machine includes a chassis, a plurality of tractive elements coupled to the chassis, a prime mover coupled to the chassis and configured to drive one or more of the plurality of tractive elements, and a carrier coupled to the chassis. The carrier defines a stowage area. A width and a depth of the carrier are adjustable to facilitate varying a size of the stowage area.

Abstract: A solar panel installation machine includes a chassis, a body coupled to the chassis, a plurality of tractive elements coupled the chassis, a boom coupled to the body, and an implement coupled to an end of the boom. The implement includes a track, a robotic arm coupled to and translatable along the track, the robotic arm including a plurality of linkages, and a grabber assembly coupled to the robotic arm, the grabber assembly configured to selectively engage with and facilitate picking up a solar panel to provide the solar panel to an installation location where the respective solar panel can be secured to a solar panel support.

Abstract: A method of installing a solar panel includes providing, by a remote controller to an installation vehicle, a desired installation location for the solar panel. The method further includes controlling, by a first controller coupled to the installation vehicle, the installation vehicle to autonomously navigate toward the desired installation location, the installation vehicle including an implement configured to selectively couple to the solar panel. The method further includes controlling, by a second controller coupled to a delivery vehicle, the delivery vehicle to autonomously navigate toward the installation vehicle, the delivery vehicle supporting the solar panel. The method further includes autonomously controlling the implement of the installation vehicle to remove the solar panel from the delivery vehicle and move the solar panel into the desired installation location.

Abstract: A lift device includes a lift apparatus configured to raise and lower a robotic attachment and a base assembly configured to support the lift apparatus. The base assembly includes a prime mover configured to rotate one or more wheels coupled to the base assembly. The lift device also includes a controller in communication with at least one of the lift apparatus and the robotic attachment. The robotic attachment includes robotic implement moveable independent of the lift apparatus, a stabilizer bar coupled to the robotic implement and configured to selectively provide a stabilizing force to the robotic attachment, and a locking mechanism configured to selectively hold the stabilizer in a locked position.

Abstract: A lift device includes a lift apparatus for raising and lowering a robotic attachment. The lift apparatus includes a base assembly, the base assembly including a prime mover to rotate one or more wheels. The robotic attachment includes a base, a primary robotic implement, and a secondary robotic implement, each moveable independent of the base. The robotic attachment further includes a stabilizer bar coupled to the base and configured to engage with an external support to provide a stabilizing force to the robotic attachment. At least one of the primary robotic implement and the secondary robotic implement are configured to move one or more end effectors to perform a welding operation, including a weld gun, a weld lead, and a needle scaler. The lift apparatus may also include a control system configured to position the robotic implements in a plurality of preset positions.

Abstract: A leveling system for a lift device includes an axle, a pin, a cradle, and a chassis. The axle is configured to rotatably couple with one or more tractive elements. The pin extends through a bore of the axle. The cradle is pivotally coupled with the pin. The chassis is pivotally coupled with the pin and includes a first actuator and a second actuator. The first actuator and the second actuator each include a body and a rod configured to extend relative to the body. The rods of the first actuator and the second actuator are configured to be extended to engage corresponding surfaces on opposite sides of the cradle. The cradle and the chassis are configured to rock in unison a limited angular amount relative to the axle.

Abstract: A system for protecting an operator on an aerial work platform from a crushing hazard includes a sensor, such as opto-electric sensor, positionable adjacent the control panel area. A control system is programmed to control operation of the driving components based on signals from the sensor.

Abstract: A vehicle can include a plurality of tractive elements, a bed, an electrical power source including a battery assembly, one or more wireless charging devices electrically coupled with the electrical power source, and a controller communicably coupled with the electrical power source. The one or more wireless charging devices can be configured to wirelessly provide power to one or more rechargeable batteries of one or more lift devices positioned on the bed via an inductive coil. The controller can be configured to determine battery information regarding a state of charge of the battery assembly and a state of charge of the one or more rechargeable batteries of the one or more lift devices. The controller can be configured to initiate, based on the determined battery information, a charging operation to charge the one or more rechargeable batteries of the one or more lift devices via the inductive coil of the one or more wireless charging devices.

Abstract: A platform assembly includes a work platform including a platform floor and a safety rail extending from the platform floor to a rail height, and a primary sensor unit secured to the work platform and positioned adjacent one of the platform floor and the safety rail. The primary sensor unit is configured to monitor an area from the platform floor or from the safety rail to a space above the rail height and forward and aft of the work platform. The platform assembly enhances protection for an operator from sustained involuntary operation resulting in an impact with an obstruction or structure.

Abstract: A boom lift includes a base having a first end and an opposing second end, a turntable coupled to the base, a boom coupled to the turntable, an assembly pivotably coupled to the first end of the base, and a first actuator coupled to the first end of the base and the assembly. The assembly includes a tractive element. The assembly extends from the base such that the tractive element is longitudinally offset from and spaced forward of the first end and the opposing second end of the base.