# US 2019/0315319 A1 · Systems, Devices, and/or Methods for Managing Truck Trailers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0315319 A1 - Document ID: US20190315319A1 - Status: Published application - Kind: A1 - Application number: 16/383,639 - Filed: 2019-04-14 - Published: 2019-10-17 - Earliest claimed: 2018-04-15 - Inventors: Craig Williams - Web page: https://patentgrep.com/patent/US20190315319A1 ## CPC - B60S 9/08: the screw axis being substantially vertical - B60S 9/12: of telescopic type - B60Q 5/005: {automatically actuated} - B60S 9/04: mechanically - B62D 63/08: Component parts or accessories - B60S: SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL - 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 Certain exemplary embodiments can provide a system comprising a Trailer. The Trailer is coupleable to a tractor. The Trailer comprises a pair of dollies. Each of the pair of dollies can comprise a support shaft and a footpad. The system comprises a single shaft that is coupled to a jack of each of the pair of dollies. ## Claims ### Claim 1 A system comprising: a trailer, the trailer coupleable to a tractor, the trailer comprising a pair of dollies, each of the pair of dollies comprising a support shaft and a footpad; a single shaft that is coupled to a jack of each of the pair of dollies; and a drive coupled to the single shaft, the drive comprising an electric motor, the electric motor constructed to raise or lower both of the pair of dollies. ### Claim 2 (depends on 1) The system of claim 1, wherein: the electric motor is coupled to the single shaft via a chain and sprockets. ### Claim 3 (depends on 1) The system of claim 1, wherein: the electric motor is coupled to the single shaft via a belt and sheaves. ### Claim 4 (depends on 1) The system of claim 1, wherein: the electric motor is coupled to the single shaft via a socket. ### Claim 5 (depends on 1) The system of claim 1, wherein: the electric motor is controlled via a switch comprised by the tractor. ### Claim 6 (depends on 1) The system of claim 1, wherein: the tractor is coupled to the trailer. ### Claim 7 (depends on 1) The system of claim 1, further comprising: a camera, the camera constructed to cause transmission of a signal that comprises an image in proximity to the trailer. ### Claim 8 (depends on 1) The system of claim 1, further comprising: a position sensor, the position sensor constructed to cause transmission of a signal that indicates a degree of extension of at least one of the support shaft or the footpad. ### Claim 9 (depends on 1) The system of claim 1, further comprising: a wireless transceiver, the wireless transceiver constructed to receive a signal that causes the electric motor to raise or lower both of the pair of dollies. ### Claim 10 (depends on 1) The system of claim 1, further comprising: a wireless transceiver, the wireless transceiver constructed to receive a signal that causes an alarm if a human is detected in proximity to one of the pair of dollies. ### Claim 11 (depends on 1) The system of claim 1, further comprising: a wireless transceiver, the wireless transceiver constructed to receive a first signal that causes the electric motor to raise or lower both of the pair of dollies, wherein the signal is automatically transmitted responsive to a second signal from the tractor, wherein the tractor is positioned relative to the trailer without a driver. ### Claim 12 A system comprising: a trailer, the trailer coupleable to a tractor, the Trailer comprising a pair of dollies, each of the pair of dollies comprising a support shaft and a footpad; a single shaft that is coupled to a jack of each of the pair of dollies; and a drive coupled to the single shaft, the drive comprising a socket, the socket constructed to raise or lower both of the pair of dollies when rotated. ### Claim 13 (depends on 12) The system of claim 12, further comprising: a pneumatic actuator, the pneumatic actuator coupled to the socket to raise or lower both of the pair of dollies. ### Claim 14 (depends on 12) The system of claim 12, further comprising: a hydraulic actuator, the hydraulic actuator coupled to the socket to raise or lower both of the pair of dollies. ### Claim 15 (depends on 12) The system of claim 12, further comprising: an electric actuator, the electric actuator coupled to the socket to raise or lower both of the pair of dollies.