A material containment and transport device may be provided. The material containment and transport device includes a body portion having opposed body side edges and opposed body end edges connecting respective ends of the body side and end edges. The containment and transport device includes a border portion constructed of a porous mesh material, the border portion having at least a pair of border side edges and a plurality of opposed border end edges connecting respective ends of respective border side edges. The border portion outwardly surrounds the body portion. At least one pull cord is selectively attached to and extends away from a corner of the border portion so that the body portion may be pulled thereby.

A safety trailer including first and second platforms, at least one of said first and second platforms having an axle and wheels attached thereto; a plurality of interconnected wall sections positioned between and connected to the first and second platforms, the plurality of wall sections defining a protected work area on a side of the trailer; and wherein each wall section has a lower bracing section comprising a single horizontal beam, two diagonal braces and a plurality of cross-braces, to allow workers in the protected work area to access a portion of the area under the wall section.

A safety trailer including first and second platforms, at least one of said first and second platforms having an axle and wheels attached thereto; a plurality of interconnected wall sections positioned between and connected to the first and second platforms, the plurality of wall sections defining a protected work area on a side of the trailer; and wherein each wall section has first and second end members, each of the first and second end members comprising an outwardly projecting alignment member and an alignment-receiving member, the first and second end members having the alignment and alignment-receiving members positioned in opposing configurations.

A mobile photography studio for photographing objects. The studio has a main trailer body having an internal volume defined by a roof, a floor, a front wall, a rear wall, and two side walls. A control computer controls an expansion of the sidewalls of the trailer, and optionally the roof, to expand the internal volume of the trailer. A turntable, which is disposed on the trailer floor supports and rotates the object based on commands from the control computer. At least one camera takes photographs of the object on the turntable based on commands from a camera control computer. A plurality of lights illuminate the object on the turntable based on commands from the control computer. The camera control computer controls the camera(s), and stores and processes the photographs.

A collapsible hunting blind apparatus comprises a floor member, a roof member, and a plurality of walls. The roof member includes angled surfaces and side walls coupled to the angled surfaces. The plurality of walls are hingedly couplable to the floor member such that the plurality of walls hingedly fold inward toward opposite walls and atop the floor member. The roof member is couplable to the floor member while the plurality of walls are folded atop the floor member.

Stackable trailer systems and associated methods are provided. In some embodiments, the trailer system includes (1) a platform structure sized in accordance with a dimension of a shipping container; (2) a corner module configured to be positioned at a corner of the platform structure; and (3) a wheel assembly coupled to the platform structure and configured to move the platform structure. The corner module is formed with an upper recess and a lower recess. The upper recess is configured to receive an insert connector, and the lower access is configured to receive a post extending from the platform structure

A modular slave vehicle articulatable at one end thereof to another slave vehicle and at another end thereof to an independently driven master vehicle, simultaneously. The slave vehicle comprising a body including a driving system; a structural frame supporting said body; a master coupling system in the form of a mechanical stress absorbing coupling mechanism; at least one first slave coupling device; at least one second slave coupling device; said first and second coupling devices, when mounted to two adjacent slave vehicles intended to be articulated to each other, are detachably connectable to each other to form a tandem coupling configured to constrain all DOF therebetween.

A trailer having a frame, the frame having a pair of spaced apart side frame rails, a front frame rail, and a rear frame rail, the trailer frame supports a floor panel, a longitudinally collapsible front rail attached to the front frame rail, and a pair of longitudinally collapsible, opposed side rails, each side rail being attached to a respective side frame rail, the collapsible front rail and the collapsible side rails are each pivotally coupled to at least one pivotable upstanding arm which is supported on the frame.

A trailer having a framework configured for selectively switching between a wheel-based towing mechanism and a ski-based towing mechanism and wherein the trailer framework is lightweight and configured for supporting an enclosed trailer that may be constructed of lightweight composite paneling. The trailer framework can also be used with a pivotable and removable tow-bar where the tow-bar is configured with a plurality of pivotable attachment points for pivotably securing to the framework. The tow-bar is also connectable to any tow-vehicle and can be removed from the tow-vehicle and the trailer framework when not in use, or can be pivoted upwardly about the trailer framework for storage.

An expandable habitation unit which includes a main frame and a main floor with an exposed habitation area. A rear module with a floor is located over a rear portion of the main floor. The rear module floor is connected to the main frame to allow limited movement over the rear portion of the main floor. A side module with a floor is located over a first side portion of the main floor. The first side module floor is connected to the main frame to allow limited movement over the first side portion of the main floor. Another side module has a floor located over a second side portion of the main floor. The second side module floor is connected to the main frame to allow limited movement over the second side portion of the main floor. The modules are moveable along their limited paths of travel to vary the size of the exposed habitation area.