Abstract: A trailer restraining device comprising a portable frame having mounted thereto a tail hook and a king pin receiver that includes at least one of a receiver hydraulic cylinder, a receiver pneumatic cylinder, a receiver electric actuator, and a receive winch.

Abstract: Shunt truck-dock safety systems are disclosed. An example shunt truck-dock safety system may include a shunt truck interlock element configured to selectively prevent and/or allow operation of at least one operable component of a shunt truck and/or a shunt truck controller configured to direct operation of the shunt truck interlock element based at least in part upon a dock condition.

Abstract: A parked freight trailer stabilizer and restraint comprising: (a) a kingpin receiver configured to lock onto a kingpin of a parked freight trailer; (b) a jack operatively coupled to the kingpin receiver, the jack repositionable between a retracted position and an extended position; (c) a tail hold operatively coupled to the kingpin receiver, the tail hold repositionable between a stowed position and a restraining position, the tail hold configured to engage a ground mount; and, (d) a transport receiver configured to engage a transport vehicle.

Abstract: A method of stabilizing a parked semi-trailer, the method comprising: (i) repositioning a tractor, with a lift extending forward of a front of the tractor, the lift operatively coupled to a portable trailer stabilizer while at least a portion of the portable trailer stabilizer is elevated above the ground, forward to position the portable trailer stabilizer proximate a forward end of a semi-trailer that is parked; (ii) repositioning the tractor forward to reposition the portable trailer stabilizer at least partially beneath the forward end of the semi-trailer; (iii) repositioning the lift located at the front of the tractor in order to lower the portion of the portable trailer stabilizer to be in contact with the ground when proximate the forward end of the semi-trailer that is parked; (iv) operatively decoupling the portable trailer stabilizer from the lift after the portable trailer stabilizer is in contact with the ground; and, (v) reversing the tractor, after the lift is operatively decoupled from portabl

Abstract: A parked freight trailer stabilizer and restraint comprising: (a) a kingpin receiver configured to lock onto a kingpin of a parked freight trailer; (b) a jack operatively coupled to the kingpin receiver, the jack repositionable between a retracted position and an extended position; (c) a tail hold operatively coupled to the kingpin receiver, the tail hold repositionable between a stowed position and a restraining position, the tail hold configured to engage a ground mount; and, (d) a transport receiver configured to engage a transport vehicle.

Abstract: A parked freight trailer stabilizer and restraint comprising: (a) a kingpin receiver configured to lock onto a kingpin of a parked freight trailer; (b) a jack operatively coupled to the kingpin receiver, the jack repositionable between a retracted position and an extended position; (c) a tail hold operatively coupled to the kingpin receiver, the tail hold repositionable between a stowed position and a restraining position, the tail hold configured to engage a ground mount; and, (d) a transport receiver configured to engage a transport vehicle.

Abstract: A portable trailer stabilizer, comprising: (i) a support surface engagement element configured to selectively engage a support surface; (ii) a trailer engagement element configured to selectively engage a forward end portion of a trailer; (iii) a hydraulic cylinder operatively connected between the support surface engagement element and the trailer engagement element, the hydraulic cylinder configured to extend the trailer engagement element relative to the support surface engagement element; (iv) an on-board, self-contained energy source comprising a hydraulic accumulator operatively coupled to the hydraulic cylinder; (v) an isolation valve fluidically interposing the hydraulic cylinder and the hydraulic accumulator; (vi) a positioning element engagement element configured to selectively couple with a trailer stabilizer positioning element of a tractor; and (vii) a valve operator mechanism configured to (a) open the isolation valve when the when the positioning element engagement element is coupled to the tr

Abstract: A parked freight trailer stabilizer and restraint comprising: (a) a kingpin receiver configured to lock onto a kingpin of a parked freight trailer; (b) a jack operatively coupled to the kingpin receiver, the jack repositionable between a retracted position and an extended position; (c) a tail hold operatively coupled to the kingpin receiver, the tail hold repositionable between a stowed position and a restraining position, the tail hold configured to engage a ground mount; and, (d) a transport receiver configured to engage a transport vehicle.

Abstract: Supports utilized to stabilize and/or support parked trailers, such as semitrailers parked at loading docks while loading and/or unloading cargo, are disclosed. Some example embodiments may include jacks mounted to repositionable frames, which may be mounted to posts. Some example embodiments may be configured to engage with king pin plates and/or king pins on the undersides of trailers.

Abstract: A portable trailer stabilizer, comprising: (i) a support surface engagement element configured to selectively engage a support surface; (ii) a trailer engagement element configured to selectively engage a forward end portion of a trailer; (iii) a hydraulic cylinder operatively connected between the support surface engagement element and the trailer engagement element, the hydraulic cylinder configured to extend the trailer engagement element relative to the support surface engagement element; (iv) an on-board, self-contained energy source comprising a hydraulic accumulator operatively coupled to the hydraulic cylinder; (v) an isolation valve fluidically interposing the hydraulic cylinder and the hydraulic accumulator; (vi) a positioning element engagement element configured to selectively couple with a trailer stabilizer positioning element of a tractor; and (vii) a valve operator mechanism configured to (a) open the isolation valve when the when the positioning element engagement element is coupled to the tr

Abstract: A method of supporting a trailer using a portable trailer stabilizer, the method comprising: (i) contacting a trailer engagement element of a portable trailer stabilizer with a forward end portion of a parked trailer using a tractor coupled to the portable trailer stabilizer; (ii) compressing a hydraulic cylinder containing pressurized hydraulic fluid and directing the pressurized hydraulic fluid to a hydraulic accumulator via an open isolation valve by pressing the trailer engagement element against the forward end portion of the parked trailer to compress the hydraulic cylinder to move the trailer engagement element from the fully extended configuration to a partially extended configuration by positioning the portable trailer stabilizer at least partially beneath and the forward end portion of the parked trailer using the tractor, the hydraulic cylinder operatively coupled to extend the trailer engagement element relative to a support surface engagement element, the isolation valve fluidically interposing t

Abstract: A trailer stabilizing device for stabilizing a parked freight trailer, the trailer stabilizing device comprising a frame separate from the support frame of the parked freight trailer, the stabilizing device frame having mounted thereto wheels and a hitch, the stabilizing device including a repositionable jack.

Abstract: A trailer stabilizing device for stabilizing a parked freight trailer, the trailer stabilizing device comprising a frame separate from the support frame of the parked freight trailer, the stabilizing device frame having mounted thereto wheels and a hitch, the stabilizing device including a repositionable jack.

Abstract: A method of leveling a parked freight trailer at a loading dock, the method comprising: (a) positioning a portable stabilizing device at least partially underneath a forward portion of the parked freight trailer; (b) positioning a lift associated with the portable stabilizing device to bear weight of the forward portion of the parked freight trailer; (c) reorienting the parked freight trailer so a floor of the parked freight trailer goes from a substantially non-parallel orientation to an approximately parallel orientation with respect to a floor of the loading dock by repositioning at least one of the jack and a landing gear of the parked freight trailer; and, (e) maintaining the lift in a weight bearing position while goods are at least one of unloaded from or loaded onto the parked freight trailer.

Abstract: A trailer restraining device comprising a portable frame having mounted thereto a tail hook and a king pin receiver that includes at least one of a receiver hydraulic cylinder, a receiver pneumatic cylinder, a receiver electric actuator, and a receive winch.

Abstract: A parked freight trailer stabilizer and restraint comprising: (a) a kingpin receiver configured to lock onto a kingpin of a parked freight trailer; (b) a jack operatively coupled to the kingpin receiver, the jack repositionable between a retracted position and an extended position; (c) a tail hold operatively coupled to the kingpin receiver, the tail hold repositionable between a stowed position and a restraining position, the tail hold configured to engage a ground mount; and, (d) a transport receiver configured to engage a transport vehicle.

Abstract: A parked freight trailer stabilizer and restraint comprising: (a) a kingpin receiver configured to lock onto a kingpin of a parked freight trailer; (b) a jack operatively coupled to the kingpin receiver, the jack repositionable between a retracted position and an extended position; (c) a tail hold operatively coupled to the kingpin receiver, the tail hold repositionable between a stowed position and a restraining position, the tail hold configured to engage a ground mount; and, (d) a transport receiver configured to engage a transport vehicle.

Abstract: A repositionable trailer stabilizer for supporting at least a portion of a weight of a parked semi-trailer.

Abstract: Supports utilized to stabilize and/or support parked trailers, such as semitrailers parked at loading docks while loading and/or unloading cargo, are disclosed. Some example embodiments may include jacks mounted to repositionable frames, which may be mounted to posts. Some example embodiments may be configured to engage with king pin plates and/or king pins on the undersides of trailers.

Abstract: A trailer stabilizing device for stabilizing a parked freight trailer, the trailer stabilizing device comprising a frame separate from the support frame of the parked freight trailer, the stabilizing device frame having mounted thereto wheels and a hitch, the stabilizing device including a repositionable jack.