A winch utility for hoisting a payload up a track section includes a main body comprising: a shell, the shell defining an enclosure; a powertrain assembly comprising an electric motor contained within at least a portion of the shell; a controller attached to an inner part of the shell and in electronic communication with the electric motor; and a bobbin coupled to the electric motor; a shelf portion comprising a shelf and a rim, the shelf configured to support the payload, the rim configured to protect the payload on the shelf from falling; and an arm assembly coupling the shelf to the main body, the arm assembly comprising an arm oriented at an acute angle relative to the shelf.

An elevator climbs and lifts loads along the length of a double ladder. The double ladder comprises a first ladder and a second ladder that join together to form an overlap portion. The overlap portion is wider and generally less stable than the individual ladders. The elevator helps overcome the physical barriers imposed at the overlap portion. The elevator utilizes guiding mechanisms having different orientations and designs to smoothly cross over misalignments and instable structures in the double ladder. The elevator includes a housing. The underside of the housing includes guide units that ride the side rails to align a first ladder and a second ladder. Rollers press the housing in contact to the ladders. Notched rollers suppress vibrations on the housing. The guide mechanisms selectively engage the ladders and the overlap portion based on the position of the elevator. A motorized platform extends from the housing.

An elevator climbs and lifts loads along the length of a double ladder. The double ladder comprises a first ladder and a second ladder that join together to form an overlap portion. The overlap portion is wider and generally less stable than the individual ladders. The elevator helps overcome the physical barriers imposed at the overlap portion. The elevator utilizes guiding mechanisms having different orientations and designs to smoothly cross over misalignments and instable structures in the double ladder. The elevator includes a housing. The underside of the housing includes guide units that ride the side rails to align a first ladder and a second ladder. Rollers press the housing in contact to the ladders. Notched rollers suppress vibrations on the housing. The guide mechanisms selectively engage the ladders and the overlap portion based on the position of the elevator. A motorized platform extends from the housing.

A winch utility includes a main body, the main body including a shell, the shell defining an enclosure; an electric motor mounted to and contained within at least a portion of the shell; a controller attached to an inner part of the shell and in electronic communication with the electric motor; and a bobbin coupled to the electric motor; and a cable coupled to the bobbin at a bobbin end, the cable defining a terminal end distal to the bobbin end, the cable arranged to be coiled around the bobbin by rotation of the electric motor, wherein the terminal end of the cable is arranged outside of the shell, wherein the controller is configured to instruct the electric motor.

A winch utility includes a main body, the main body including a shell, the shell defining an enclosure; an electric motor mounted to and contained within at least a portion of the shell; a controller attached to an inner part of the shell and in electronic communication with the electric motor; and a bobbin coupled to the electric motor; and a cable coupled to the bobbin at a bobbin end, the cable defining a terminal end distal to the bobbin end, the cable arranged to be coiled around the bobbin by rotation of the electric motor, wherein the terminal end of the cable is arranged outside of the shell, wherein the controller is configured to instruct the electric motor.

Various lifting systems are described that use one or more of the following features. A method for setting an adjustable height upper pulley on a tall structure; load transfer from a suspended load to a tall structure; fan-based stabilizer; stabilizer or horizontal load position control mechanism using a closed loop of cable and taction winch for a crane application; crane-based lifting system that uses a closed loop of lifting cable looped around a traction winch; and a stabilizer or horizontal load position control mechanism that does not need a closed loop of cable. Other embodiments are also described and claims. Other embodiments are also described and claimed.

Various lifting systems are described that use one or more of the following features. A method for setting an adjustable height upper pulley on a tall structure; load transfer from a suspended load to a tall structure; fan-based stabilizer; stabilizer or horizontal load position control mechanism using a closed loop of cable and taction winch for a crane application; crane-based lifting system that uses a closed loop of lifting cable looped around a traction winch; and a stabilizer or horizontal load position control mechanism that does not need a closed loop of cable. Other embodiments are also described and claims. Other embodiments are also described and claimed.

A carrier building ladder hoist that contains a removable carrier casing and a winch casing allowing a user to hoist items. The ladder hoist contains a padded back and straps to allow an individual to carry it on their back and wheels and a tow handle to allow the user to tow it behind them. The side surfaces of the winch casing in ladder hoist have grooves in them to allow a user to hook the ladder hoist to a ladder. The ladder hoist has a winch system using gears and a winch strap ending in a hook.

A carrier building ladder hoist that contains a removable carrier casing and a winch casing allowing a user to hoist items. The ladder hoist contains a padded back and straps to allow an individual to carry it on their back and wheels and a tow handle to allow the user to tow it behind them. The side surfaces of the winch casing in ladder hoist have grooves in them to allow a user to hook the ladder hoist to a ladder. The ladder hoist has a winch system using gears and a winch strap ending in a hook.

An adjustable platform system configured in or attached to a ladder having a moveable or adjustable platform assembly operatively coupled thereto. An adjustment mechanism is operatively connected to the first and second arm members and the platform member, whereby the platform member is selectively movable along a length of the ladder legs or the first and second arm members via the adjustment mechanism.