# US 10,479,257 B1 · Road trailer with lift frame for transporting and deploying legged containers

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- Number: US 10,479,257 B1
- Document ID: US10479257B1
- Status: Granted
- Kind: B1
- Application number: 16/156,416
- Filed: 2018-10-10
- Granted: 2019-11-19
- Earliest claimed: 2017-05-25
- Assignees: King Kutter II, Inc.
- Applicants: King Kutter II, Inc.
- Inventors: J. Phillip Fraley; John W. Davis, III
- Web page: https://patentgrep.com/patent/US10479257B1

## CPC

- B60P 1/6445: {the load-transporting element being shifted only vertically}
- B62D 21/20: trailer type, i.e. a frame specifically constructed for use in a non-powered vehicle
- B60P 1/02: with parallel up-and-down movement of load supporting or containing element (in combination with tipping B60P1/34; devices for lifting or lowering bulky or heavy goods for loading or unloading purposes, movable on wheels or the like, e.g. fork-lift trucks, B66F9/06 {; suspensions with electronic levelling control during loading or unloading B60G17/0157})
- B60P 1/027: {with relative displacement of the wheel axles}
- B60P 1/6418: {the load-transporting element being a container or similar}
- B60P 1/649: {Guiding means for the load-transporting element}
- B62D 53/062: {having inclinable, lowerable platforms; Lift bed trailers; Straddle trailers (lifting coupling saddles B62D53/0821; crane vehicles B60P3/28)}
- B62D 53/08: Fifth wheel traction couplings {(tractors for handling trailers in terminals B62D49/007)}
- 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

A trailer has a main frame with a neck portion on its forward end. A pivot fifth wheel is rotatably affixed to the forward end of the neck portion. The pivot fifth wheel releasably attaches to the fifth wheel of a towing vehicle. An axle frame is rotatably affixed to the rearward end of the main frame, and rotates with respect to the main frame. The pivot fifth wheel and the axle frame are configured to pivot and move the main frame upwardly a vertical distance.

## Claims

### Claim 1

A trailer comprising:
a trailer main frame comprising a forward end and a rearward end;
a neck portion rigidly affixed to the forward end of the main frame;
a pivot fifth wheel rotatably affixed to the neck portion, the pivot fifth wheel rotatable with respect to the neck portion, the pivot fifth wheel configured to removably attach to a fifth wheel of a towing vehicle;
an axle frame rotatably affixed to the rearward end of the main frame, the axle frame rotatable with respect to the main frame; and
frontward hydraulic cylinders extending substantially vertically between the neck portion and the pivot fifth wheel, the frontward hydraulic cylinders configured to push down on the pivot fifth wheel and lift the neck and the main frame upwardly a vertical distance.

### Claim 2 (depends on 1)

The trailer of claim 1, further comprising rearward hydraulic cylinders extending between the axle frame and the main frame, the rearward hydraulic cylinders configured to push down on the axle frame and lift the main frame the vertical distance.

### Claim 3 (depends on 1)

The trailer of claim 1, wherein the vertical distance is between four (4) inches and eighteen (18) inches.

### Claim 4 (depends on 1)

The trailer of claim 1, wherein the neck portion comprises a plurality of openings at a forward end of the neck, the openings configured to receive protrusions extending from the pivot fifth wheel.

### Claim 5 (depends on 4)

The trailer of claim 4, each of the protrusions affixed to a lower end of one of the frontward hydraulic cylinders.

### Claim 6 (depends on 5)

The trailer of claim 5, an upper end of each of the frontward hydraulic cylinders affixed to an upper cross tube of the neck portion, such that each hydraulic cylinder extends between the upper cross tube of the neck portion and one of the protrusions of the pivot fifth wheel.

### Claim 7 (depends on 6)

The trailer of claim 6, where the protrusions of the pivot fifth wheel and the upper cross tube of the neck portion are in a same vertical plane.

### Claim 8 (depends on 1)

The trailer of claim 1, a kingpin disposed on a lower side of the pivot fifth wheel for releasable connection to the fifth wheel of the towing vehicle.

### Claim 9

A trailer comprising:
a trailer main frame comprising a forward end and a rearward end;
the forward end comprising a neck portion;
a pivot fifth wheel rotatably affixed to the neck portion, the pivot fifth wheel rotatable with respect to the neck portion, the pivot fifth wheel configured to removably attach to a fifth wheel of a towing vehicle;
frontward hydraulic cylinders extending substantially vertically between the neck portion and the pivot fifth wheel, the frontward hydraulic cylinders configured to push down on the pivot fifth wheel and lift the neck and the main frame upwardly a vertical distance.

### Claim 10 (depends on 9)

The trailer of claim 9, further comprising an axle frame rotatably affixed to the rearward end of the main frame, the axle frame rotatable with respect to the main frame, the axle frame configured to pivot and move the main frame upwardly the vertical distance.

### Claim 11 (depends on 10)

The trailer of claim 10, further comprising rearward hydraulic cylinders extending between the axle frame and the main frame, the rearward hydraulic cylinders configured to push down on the axle frame and lift the main frame the vertical distance.

### Claim 12 (depends on 10)

The trailer of claim 10, wherein the vertical distance is between four (4) inches and eighteen (18) inches.

### Claim 13 (depends on 10)

The trailer of claim 10, wherein the neck portion comprises a plurality of openings at a forward end of the neck, the openings configured to receive protrusions extending from the pivot fifth wheel.

### Claim 14 (depends on 13)

The trailer of claim 13, each of the protrusions affixed to a lower end of one of the frontward hydraulic cylinders.

### Claim 15 (depends on 14)

The trailer of claim 14, an upper end of each of the frontward hydraulic cylinders affixed to an upper cross tube of the neck portion, such that each hydraulic cylinder extends between the upper cross tube of the neck portion and one of the protrusions of the pivot fifth wheel.

### Claim 16 (depends on 15)

The trailer of claim 15, where the protrusions of the pivot fifth wheel and the upper cross tube of the neck portion are in a same vertical plane.

### Claim 17 (depends on 9)

The trailer of claim 9, a kingpin disposed on a lower side of the pivot fifth wheel for releasable connection to the fifth wheel of the towing vehicle.
