A load-bearing trailer dolly which connects a tongue-type boat, utility or other trailer to a towing tandem trailer and bears weight from the trailer during towing. In a preferred embodiment, the trailer dolly is characterized by an axle mounted on a pair of wheels. A dolly frame height-adjustable trailer hitch centered coaxial above the axle axis and midway point framed dolly plate mount by operation of an adjustable sleeve reducer fastened by pinning and lock. Includes dual connecting adjustable height tongues for attachment to rear end trailer hitches on the tandem towing trailer at which a pair of hitch fasteners for engaging the trailer dolly tongues are attached to the rear of the tandem trailer. The adjustable tongue hitches on trailer dolly will give ability to horizontal level tandem dolly. A shock-absorbing spring is fitted between the axle mount and the dolly frame for cushioning the dolly frame on the axle mount as the trailer is towed behind the towing tandem trailer. In the industry of dollies, the car dolly has no shock-absorbing function, just square axle with hubs for wheels, axle is attached to car dolly frame. There is an option with shock-absorbing mechanism or s non shock-absorbing option.

A deployment mechanism and a delivery container enabling unattended delivery of cargo by a vehicle navigating autonomously on both vehicle lanes and pedestrian ways. A trailer for an autonomous vehicle for hauling additional cargo and power supplies. A method for delivering and picking up goods using delivery trucks, autonomous vehicles, and trailers. The deployment mechanism can include a crane, a robot arm, a forklift, straps, and sails. The delivery container can include visible, partly visible, or hidden security features and grasping features, and can be foldable and stackable. The trailer can include a 4-bar linkage, the 4-bar linkage enabling consistent pitch between the trailer cargo and a cargo hold of the towing vehicle. The trailer wheels are decoupled from the 4-bar linkage, connected by swing arms and possible shock absorbers. The trailer can buffer fore/aft movement of the trailer.

A deployment mechanism and a delivery container enabling unattended delivery of cargo by a vehicle navigating autonomously on both vehicle lanes and pedestrian ways. A trailer for an autonomous vehicle for hauling additional cargo and power supplies. A method for delivering and picking up goods using delivery trucks, autonomous vehicles, and trailers. The deployment mechanism can include a crane, a robot arm, a forklift, straps, and sails. The delivery container can include visible, partly visible, or hidden security features and grasping features, and can be foldable and stackable. The trailer can include a 4-bar linkage, the 4-bar linkage enabling consistent pitch between the trailer cargo and a cargo hold of the towing vehicle. The trailer wheels are decoupled from the 4-bar linkage, connected by swing arms and possible shock absorbers. The trailer can buffer fore/aft movement of the trailer.

The present invention comprises a trailer main frame with a first rocker assembly and a second rocker assembly pivotally attached to the trailer main frame wherein the rocker assemblies are attached to leveling means such as but not limited to hydraulic and or air system between the trailer main frame and the rocker assemblies.

A trailer for towing by a power vehicle is provided and generally includes a frame and a tandem wheel assembly. The frame forms an undercarriage chassis which the tandem wheel assembly is positioned there under. The undercarriage chassis includes a steerable rear wheel assembly, a steerable front wheel assembly, and an extension assembly moving the front wheel assembly between trailing position and a self-propelled position where the rear wheel assembly and the front wheel assembly are positioned to equally support the undercarriage chassis.

A recreational vehicle support stand that is configured to further provide indication of parameters such as but not limited to ownership, sports team affiliation or advertisements. The recreational vehicle support stand further includes a frame wherein the frame includes a plurality of vertical support members and horizontal support members. The frame is configured to support an end of a recreational trailer. The present invention further includes a cover member. The cover member is circumferentially disposed the frame extending between the top and bottom thereof. The cover member further includes a fastener that is operable to facilitate the removal or placement of the cover member on the frame. The cover member includes at least one pocket secured to the outer surface thereof. Various indicia may be imprinted on the outer surface of the cover member.

A towable conveyor for transporting and elevating articles and a method and system for towing a conveyor and conveying articles up inclines is provided. The conveyor system has an elevating carriage and a plurality of support elements for conveying articles up the conveyor. Specifically, the towable conveyor system comprises a conveyor having a support frame, a plurality of support elements, a drive end with a motor, and an idle end; an elevating carriage having a first end interconnected to the support frame of the conveyor, a second with two or more wheels, and a support member extending upwardly from the elevating carriage; a cable system for raising the conveyor into a position of use and for lowering the conveyor into a towing position; one or more locking mechanisms; and a hitch for connecting the conveyor to a rear end of a towing vehicle.

A fried food cart assembly for preparing fried treats in any location includes a cart that has a hitch which is coupled to the cart. A fryer is positioned in the cart to heat cooking oil for frying a food item. A cold storage unit is positioned in the cart to store perishable food items. A plurality of preparing shelves is each positioned in the cart to facilitate objects to be placed thereon. A point of sale unit is positioned in the cart to conduct financial transactions for patrons purchasing food that is prepared in the cart. An umbrella is positionable in the cart to shield the cart from precipitation and sunlight.

A fried food cart assembly for preparing fried treats in any location includes a cart that has a hitch which is coupled to the cart. A fryer is positioned in the cart to heat cooking oil for frying a food item. A cold storage unit is positioned in the cart to store perishable food items. A plurality of preparing shelves is each positioned in the cart to facilitate objects to be placed thereon. A point of sale unit is positioned in the cart to conduct financial transactions for patrons purchasing food that is prepared in the cart. An umbrella is positionable in the cart to shield the cart from precipitation and sunlight.

A trailer is provided with a frame to connect to an off-road vehicle. A body is pivotally connected relative to the frame and includes a bed and a side panel extending transversely from the bed to define a cargo area. A pitch actuator assembly is coupled between the frame and the body to pivot the body between a storage position and an elevated position. A bracket is connected to a rearward end of the side panel. A tailgate is pivotally connected to a lower portion of the bracket about a first horizontal axis to adjust between a closed position and an open-downward position, and pivotally connected to an upper portion of the bracket about a second horizontal axis to adjust between the closed position and an open-upward position.