# US 9,751,578 B2 · Mounting structure with ambulating transport system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,751,578 B2 - Document ID: US9751578B2 - Status: Granted - Kind: B2 - Application number: 15/083,440 - Filed: 2016-03-29 - Published: 2016-10-13 - Granted: 2017-09-05 - Earliest claimed: 2015-04-07 - Assignees: Entro Industries, Inc. - Applicants: Entro Industries, Inc. - Inventors: Shawn R. Smith; Harlan B. Smith - Web page: https://patentgrep.com/patent/US9751578B2 ## CPC - B62D 57/032: with alternately or sequentially lifted supporting base and legs; with alternately or sequentially lifted feet or skid (B62D57/024 takes precedence) - B60P 1/00: Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading (vehicles for carrying harvested crops with means for self-loading or self-unloading A01D90/00; peculiar to refuse collecting-vehicles B65F; loading or unloading vehicles by means not incorporated therein B65G) - B60P 9/00: Other vehicles predominantly for carrying loads {, e.g. load carrying vehicles convertible for an intended purpose} - 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) - 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) ## Abstract A load transporting apparatus includes a base structure that supports a load and a plurality of transport devices that move the base structure over a base surface. A first group of transport devices concurrently contact the base surface during a first movement step. Following the first movement step the first group of transport devices are disengaged from the base structure during a second movement step of the base structure. A second group of transport devices are disengaged from the base surface during the first movement step. Following the first movement step the second group of transport devices contact the base surface during the second movement step, and the weight of the load supported by the first group of transport devices is transferred from the first group of transport devices to the second group of transport devices. ## Claims ### Claim 1 A load transporting apparatus, comprising: a base structure configured to support a load; a plurality of transport devices operably coupled to the base structure and configured to move the base structure over a base surface and support the base structure at a predetermined height above the base surface, wherein the plurality of transport devices comprise: a first group of transport devices configured to concurrently contact the base surface during a first movement step of the base structure, wherein the first group of transport devices supports a weight of the load during the first movement step, and wherein following the first movement step the first group of transport devices are configured to be disengaged from the base surface during a second movement step of the base structure; and a second group of transport devices configured to be disengaged from the base surface during the first movement step, wherein following the first movement step the second group of transport devices are configured to contact the base surface during the second movement step, wherein the weight of the load supported by the first group of transport devices is transferred from the first group of transport devices to the second group of transport devices during the second movement step, and wherein the base structure remains substantially at the predetermined height throughout both the first movement step and the second movement step. ### Claim 2 (depends on 1) The load transporting apparatus of claim 1, wherein the first group of transport devices comprise translation mechanisms configured to laterally displace the base structure along the base surface after the second group of transport devices are disengaged from the base surface. ### Claim 3 (depends on 1) The load transporting apparatus of claim 1, wherein the weight of the load is repeatedly transferred between the first group of transport devices and the second group of transport devices as the base structure alternates between the first movement step and the second movement step. ### Claim 4 (depends on 1) The load transporting apparatus of claim 1, wherein both the first group of transport devices and the second group of transport devices are distributed between three or more lift zones of the base structure, wherein each of the three or more lift zones are assigned a lifting force that collectively support the weight of the load, and wherein the assigned lifting force of each lift zone is approximately maintained as the weight of the load is transferred from the first group of transport devices to the second group of transport devices. ### Claim 5 (depends on 1) The load transporting apparatus of claim 1, wherein both the first group of transport devices and the second group of transport devices are distributed between three or more lift zones of the base structure, wherein the second group of transport devices are configured to extend from a retracted position to the base surface during the second movement step, and wherein the load transporting apparatus comprises a hydraulic system configured to apply hydraulic pressure to the second group of transport devices to support the base structure above the base surface. ### Claim 6 (depends on 5) The load transporting apparatus of claim 5, wherein an equal amount of the hydraulic pressure is applied to each of the three or more lift zones. ### Claim 7 (depends on 5) The load transporting apparatus of claim 5, wherein the hydraulic system is configured to concurrently withdraw the hydraulic pressure from the first group of transport devices as the hydraulic pressure is being applied to the second group of transport devices such that an equal amount of the hydraulic pressure is continuously applied to the plurality of transport devices in any one of the three or more lift zones as the weight of the load is transferred from the first group of transport devices to the second group of transport devices. ### Claim 8 (depends on 7) The load transporting apparatus of claim 7, wherein the second group of transport devices is configured to substantially maintain the base structure at the predetermined height when the equal amount of hydraulic pressure is applied. ### Claim 9 (depends on 5) The load transporting apparatus of claim 5, wherein the base surface comprises an uneven surface, and wherein one or more extended devices of the second group of transport devices are extended by different amounts to contact the uneven surface. ### Claim 10 (depends on 9) The load transporting apparatus of claim 9, wherein the hydraulic system is configured to distribute the hydraulic pressure between the one or more extended devices in order to support the base structure at a predetermined angle of incline with respect to the uneven base surface. ### Claim 11 (depends on 9) The load transporting apparatus of claim 9, wherein the hydraulic system is configured to provide an equal amount of hydraulic pressure to each of the one or more extended devices within one of the lift zones. ### Claim 12 (depends on 9) The load transporting apparatus of claim 9, wherein the hydraulic system is configured to provide a different amount of the hydraulic pressure to each of the three or more lift zones in order to maintain a fixed position of an offset center of gravity of the load relative to the base structure. ### Claim 13 (depends on 12) The load transporting apparatus of claim 12, wherein the three or more lift zones comprise a first lift zone, a second lift zone, and a third lift zone, wherein the offset center of gravity is positioned above the first lift zone, and wherein the hydraulic system is configured to provide a greater amount of the hydraulic pressure to the first lift zone as compared to the second lift zone and the third lift zone. ### Claim 14 A load transporting apparatus, comprising: a base structure configured to support a load; a plurality of transport devices operably coupled to the base structure and configured to move the base structure over a base surface and support the base structure at a predetermined height above the base surface, wherein the plurality of transport devices comprise: a first group of transport devices configured to concurrently contact the base surface during a first movement step of the base structure, wherein the first group of transport devices supports a weight of the load during the first movement step, and wherein following the first movement step the first group of transport devices are configured to be disengaged from the base surface during a second movement step of the base structure, and wherein during the second movement step the first group of transport devices are configured to be disengaged from the base surface; and a second group of transport devices configured to be disengaged from the base surface during the first movement step, wherein following the first movement step the second group of transport devices are configured to contact the base surface during the second movement step, wherein the weight of the load supported by the first group of transport devices is transferred from the first group of transport devices to the second group of transport devices during the second movement step, wherein the first group of transport devices comprise translation mechanisms configured to laterally displace the base structure along the base surface after the second group of transport devices are disengaged from the base surface, and wherein the base structure remains substantially at the predetermined height throughout both the first movement step and the second movement step. ### Claim 15 (depends on 14) The load transporting apparatus of claim 14, wherein the second group of transport devices comprise additional translation mechanisms configured to laterally displace the base structure along the base surface after the first group of transport devices are disengaged from the base surface. ### Claim 16 (depends on 14) The load transporting apparatus of claim 14, wherein the second group of transport devices comprise hydraulic cylinders operably coupled to support feet that engage the base surface during the second movement step, and wherein the hydraulic cylinders are configured to raise the support feet during the first movement step in which the second group of transport devices are disengaged from the base surface. ### Claim 17 (depends on 14) The load transporting apparatus of claim 14, wherein the plurality of transport devices are additionally configured to support the base structure at a predetermined angle of incline with respect to the base surface, and wherein the base structure remains substantially at the predetermined angle of incline during both the first movement step and the second movement step. ### Claim 18 A method of transporting a load, comprising: placing a first group of transport devices in contact with a base surface during a first movement step, wherein the first group of transport devices supports a weight of the load during the first movement step, and wherein the first group of transport devices supports the load at a predetermined height above the base surface during the first movement step; disengaging a second group of transport devices from the base surface during the first movement step; reengaging the second group of transport devices with the base surface during a second movement step, wherein the second group of transport devices supports the load at the predetermined height above the base surface during the second movement step; and disengaging the first group of transport devices from the base surface during the second movement step, wherein the weight of the load supported by the first group of transport devices is transferred from the first group of transport devices to the second group of transport devices during the second movement step. ### Claim 19 (depends on 18) The method of claim 18, further comprising laterally displacing, by the first group of transport devices, the load along the base surface during the first movement step after the second group of transport devices are disengaged from the base surface. ### Claim 20 (depends on 18) The method of claim 18, further comprising: extending the second group of transport devices from a retracted position to the base surface during the second movement step; transferring hydraulic pressure from the first group of transport devices to the extended second group of transport devices; and applying the hydraulic pressure to the extended second group of transport devices to support the load above the base surface after the first group of transport devices are disengaged from the base surface.