# US 2014/0151970 A1 · Mobile Barrier > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0151970 A1 - Document ID: US20140151970A1 - Status: Published application - Kind: A1 - Application number: 14/177,124 - Filed: 2014-02-10 - Published: 2014-06-05 - Earliest claimed: 2008-06-13 - Assignees: Concaten, Inc. - Applicants: Concaten, Inc. - Inventors: Kevin K. Groeneweg; David Meyerink; Duane Meyerink; LeRoy Severson - Web page: https://patentgrep.com/patent/US20140151970A1 ## CPC - E01F 15/148: {mobile arrangements} - B60P 3/00: Vehicles adapted to transport, to carry or to comprise special loads or objects (ambulances or other vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances A61G3/00; hearses A61G21/00; fire-fighting land vehicles A62C27/00; refuse-collecting vehicles B65F3/00, B65F7/00; snow-removing vehicles E01H; armoured or armed vehicles F41H7/00; self-propelled mine-clearing vehicles F41H11/16) - B62D 63/061: {Foldable, extensible or yielding trailers (foldable caravans B60P3/34; adjustable chassis frames B62D21/14)} - E01F 9/602: {Upright or projecting signs or signals permanently installed directly on or in the roadway and designed to be depressed by rolling or other loads and then to return to normal position, e.g. collapsible or rockable stop signs, flexible vehicle-striking members for audible warning (E01F9/565, E01F13/10 take precedence)} - E01F 9/662: mounted on vehicles, e.g. service vehicles; Warning vehicles travelling along with road-maintenance, e.g. remotely controlled - E01F 15/00: Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact (arrangements for fastening signs or signals to safety barriers or the like E01F9/669; for forcibly arresting vehicles E01F13/00) - E01F 15/006: {Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs (E01F15/12 takes precedence; by crossable lane separators E01F9/594); Apparatus or barriers specially adapted therefor, e.g. wheeled barriers (wall-type modules E01F15/08)} - E01F 15/088: {Details of element connection} - E01F 15/10: portable, e.g. for temporary use {not used} - E01F 15/14: specially adapted for local protection, e.g. for bridge piers, for traffic islands - E01F: ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE - B60P: VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS (vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances A61G3/00) - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) ## Abstract In one embodiment, a safety trailer has semi-tractor hitches at both ends and a safety wall that is fixed to one side of the trailer. That side, however, can be changed to the right or left side of the road, depending on the end to which the truck attaches. A caboose can be attached at the end of the trailer opposite the tractor to provide additional lighting and impact protection. Optionally, the trailer can be equipped with overhead protection, lighting, ventilation, onboard hydraulics, compressors, generators and other equipment, as well as related fuel, water, storage and restroom facilities and other amenities. ## Claims ### Claim 1 A safety trailer, comprising: (a) first and second platforms, at least one of said first and second platforms having an axle and wheels attached thereto; (b) 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; (c) wherein each wall section has a plurality of interconnected levels, each level comprising first and second longitudinal members, a plurality of truss members interconnecting the first and second longitudinal members, and being connected to an end member; and (d) wherein a bottom edge of each wall section is positioned about 10 to about 14 inches above a surface upon which the trailer is parked; a top edge of each wall section is positioned from about 3.5 feet to about 4 feet above the surface; and a height of the wall sections from the bottom edge to the top edge ranges from about 2.5 feet to about 3 feet. ### Claim 2 (depends on 1) The trailer of claim 1, wherein the barrier is not supported above the surface by stands. ### Claim 3 (depends on 1) The trailer of claim 1, wherein a thickness of each wall section ranges from about 18 to about 30 inches. ### Claim 4 (depends on 1) The trader of claim 1, wherein a length of each of the wall sections ranges from about 10 to about 30 feet. ### Claim 5 (depends on 1) The trailer of claim 1, wherein the wall sections are fixed relative to the first and second platforms. ### Claim 6 (depends on 1) The trailer of claim 1, wherein a common side of the first and second platforms and barrier is substantially planar to direct a motorized vehicle impacting the common side away from the protected area. ### Claim 7 (depends on 1) The trailer of claim 1, wherein the selected wall section comprises upper and lower levels and further comprises a middle level, the middle level comprising first and second longitudinal members, a plurality of truss members interconnecting the first and second longitudinal members, and is connected to the end member. ### Claim 8 (depends on 1) The trailer of claim 1, wherein the trailer supports a ballast member, the ballast member being positioned near a first side of the trailer and the plurality of wall sections near a second, opposing side of the trailer, the ballast member offsetting, at least partially, a weight of the plurality of wall sections. ### Claim 9 (depends on 8) The trailer of claim 8, wherein the ballast member is on a first side of a longitudinal axis of the trailer and the plurality of wall sections on a second opposing side of the longitudinal axis. ### Claim 10 (depends on 1) The trader of claim 1, wherein the at least one axle is engaged with a vertical adjustment member, the vertical adjustment member selectively adjusting a vertical position of a surface of the trailer. ### Claim 11 (depends on 10) The trailer of claim 10, wherein the adjustment member is at least one of a hydraulically and pneumatically adjustable piston. ### Claim 12 (depends on 1) The trailer of claim 1, wherein the interconnected wall sections slidably engage one another. ### Claim 13 (depends on 1) The trailer of claim 1, wherein the interconnected wall sections telescopically engage one another.