The present invention relates to a removable electric propulsion system intended to be coupled to a rolling object. The propulsion system comprises a chassis provided with at least one wheel driven by an electric machine, and at least one non-driven wheel. Furthermore, the system, preferably the chassis, comprises means (5) for coupling the propulsion system to the rolling object. Besides, the coupling means comprises at least one means (100) providing combined and simultaneous gripping and lifting of at least one wheel (14) of the rolling object, preferably of two wheels (14) of the rolling object.

The invention also relates to a method for coupling a rolling object to such a propulsion system, this method enabling, simultaneously and through a combined action, gripping and lifting of at least one wheel (14) of the rolling object.

A driving assist unit of a truck for assisting a driving force applied to the truck by a worker includes a unit body connected to the truck, the unit body being turnable with respect to the truck, an operation portion provided on the unit body, the operation portion being configured to input a driving force to the truck through the unit body by being pressed by the worker, a driving wheel provided on the unit body, the driving wheel being rotatable in a longitudinal direction of the unit body, an assist force according to the operation of the operation portion being applied to the driving wheel, a lower engagement mechanism configured to be engaged with the truck by pressing the unit body onto the truck, and an upper engagement mechanism provided above the lower engagement mechanism and configured to be engaged with the truck by fitting of a locking member by the worker.

A wheel pack assembly includes a pack portion wearable by a user, a wheeled portion removably coupled to the pack portion, and a power assist system. The pack portion includes a first interfit element. The wheeled portion includes a frame, a second interfit element coupled to frame and configured to removably couple with the first interfit element of the pack portion, and a first wheel set coupled to the frame and disposed at a location spaced apart from a rear end of the wheeled portion. The power assist system includes a motor mechanically coupled to the first wheel set, at least one sensor coupled to the at least one of the first interfit element and the second interfit element, and a controller configured to operate the motor based on feedback from the at least one sensor.

A powered hand truck assembly for maneuvering loads in tight spaces includes a first housing, which is engaged to a frame. A handle is engaged to and extends upwardly from the frame. A lift module is engaged to and is electively extensible from the first housing. A load can be positioned on a tray, which is operationally engaged to the lift module. Tift module can selectively elevate the tray and the load. A pair of drive wheels, which are positioned singly on opposed facets of the first housing, is rotationally engaged to the first housing. A pair of drive motors is engaged to and positioned in the first housing. Each drive motor is operationally engaged to a respective drive wheel. The drive motors and the drive wheels can motivate the powered hand truck assembly and the load across a surface and can affect 360° turns.

A self-contained portable material transport cart for game transport and utility transport of equipment and supplies including emergency medical transport in multiple venues. The extraction cart has a lightweight collapsible frame with cargo support straps or netting. Fixed and folding wheels and telescopically extensible frame members allow for compact storage and backpack transport to user location. Extensible frame is adjustable for length and width for cargo transport with an optional trailer hitch adapter allowing the cart to be pulled by an off-road vehicle, if needed.

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.

The present invention relates to a structure which may include an outer housing, an inner lining, an insulation space in between, a top, an inner platform, a charging station, a wireless charging panel, power-assist wheels with intelligent torque control for transport, a storage compartment, a removable innner liner, and a handle. The structure may comprise a portable container, such as an insulated cooler for storing cooled food and beverages for social and leisure activities.

The utility cart of the present application comprises a frame, at least two wheels and a storage panel. In one embodiment, the storage panel is removable and capable of being replaced with an alternate storage panel.

An umbrella mounting system for PURPOSE includes a cart that may be urged along a support surface. The cart has a plurality of horizontal members. An umbrella is provided that has a shaft and a canopy. A mounting unit is removably coupled to the cart. The mounting unit insertably receives the shaft such that the canopy is positioned over the cart. Thus, the umbrella shades an area around the cart.

A multipurpose stand includes a first supporting unit, a second supporting unit and a vertical member. the first supporting unit includes the main body and the roller, the second supporting unit includes the first broad member, the second broad member and the third broad member, The vertical member comprises the first vertical section, the second vertical section and the enlarged end, wherein the second supporting unit is formed by cutting a plate material into the first broad member and the second broad member. The member connected with the third broad member is connected with the connecting member through a single point of the second supporting unit and the first supporting unit, and a vertical member is set between the first broad members of the second supporting unit.