A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.

A lift device includes a base, a retractable lift mechanism, a work platform, and a lift controller. The retractable lift mechanism is moveable between an extended position and a retracted position. The work platform is configured to support a load and is coupled to and supported by the retractable lift mechanism. The linear actuator is configured to selectively move the retractable lift mechanism between the extended position and the retracted position. The linear actuator has an electric motor and an electromagnetic brake. The lift controller is in communication with the linear actuator and is configured to determine the load supported by the work platform based on the actuator force applied to the work platform and the height of the work platform.

A fully-electric scissor lift comprises a base, a retractable lift mechanism, a work platform, a linear actuator, and a battery. The base has a plurality of wheels. The retractable lift mechanism has a first end coupled to the base and is moveable between an extended position and a retracted position. The work platform is configured to support a load. The work platform is coupled to and supported by a second end of the retractable lift mechanism. The linear actuator is configured to selectively move the retractable lift mechanism between the extended position and the retracted position. The linear actuator has an electric lift motor. The battery is configured to apply power to the electric lift motor. The fully-electric scissor lift is completely devoid of moving fluids.

A system is disclosed which provides the ability to install a cross arm on a power pole utilizing an electrically isolated bucket which is free of all hydraulic components used by an operator in the bucket to manipulate the bucket. The system also utilizes an in-the-bucket rechargeable battery powered electric tool such as a saw, drill etc. without a need for a hydraulic electric generator in the bucket. The system includes the ability to provide communication to and from and to supply electrical power to remote portions of an electrically isolated boom, by transmitting optical power and control signals through an electrically non-conductive optical fiber.

Systems of detecting high-voltage lines to guard against electrocution when using heavy machinery are disclosed. Systems of the inventive subject matter include an antenna to detect the high-voltage line, and upon detection, the system can cut power to a movement system of the heavy machinery. A manual override is provided so that a user can remove the heavy machinery from an area at risk of causing electrocution either by contact with the high-voltage line or by arcing from the high-voltage line.

The present invention includes a partially or completely translucent elevating platform with at least three walls. At least one panel, knee space, and/or door is composed of clear or transparent or translucent materials. In one embodiment, the panel is a clear panel that is centered on a wall of the elevating platform. These aspects of the present invention provide for advantages in visibility and safety for the operator of the elevating platform.

An apparatus for treating a surface of a structure includes a main carriage having an accessory carriage that is vertically movable with respect to the main carriage.

A land vehicle, is provided with a mobile work platform assembly with a platform mounted to the land vehicle, sized to receive an operator thereupon. A frame extends from the platform. A positioner assembly includes a guide mounted on the frame of the mobile work platform assembly. A carriage is provided on the guide for translation along the guide. Hardware is provided on the carriage to support a workpiece upon the carriage external of a perimeter of the frame. The carriage includes a brake assembly to position the carriage at various positions along the guide.

Disclosed embodiments include cover assemblies for baskets of aerial work platforms and methods of fabricating a cover assembly for a basket of an aerial work platform. In an illustrative embodiment given by way of non-limiting example, a cover assembly for a basket of an aerial work platform includes a flexible cover. The flexible cover includes an interior guardrail portion and an exterior guardrail portion. The interior guardrail portion is configured to be received adjacent an interior surface of a guardrail of a basket of an aerial work platform. The exterior guardrail portion surrounds the interior guardrail portion, and the exterior guardrail portion is configured to be received adjacent an exterior surface of a guardrail of a basket of an aerial work platform. A retrieval mechanism is configured to draw the exterior guardrail portion toward the interior guardrail portion.

A lift device includes a base, a boom coupled to the base, and an actuator assembly having (i) a first end coupled to the base and (ii) an opposing second end coupled the boom. The actuator assembly includes a first actuator, a second actuator, and a coupler coupling the first actuator and the second actuator together at or proximate one of the first end or the opposing second end of the actuator assembly. The coupler is pivotally coupled to a pivot point of one of the boom or the base. The coupler pivots with the first actuator and the second actuator about the pivot point.