# US 2019/0316809 A1 · Portable blowup underpinning for trailers

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- Number: US 2019/0316809 A1
- Document ID: US20190316809A1
- Status: Published application
- Kind: A1
- Application number: 15/954,631
- Filed: 2018-04-17
- Published: 2019-10-17
- Earliest claimed: 2018-04-17
- Inventors: Sandra Wilburn; Rex Wilburn
- Web page: https://patentgrep.com/patent/US20190316809A1

## CPC

- F24H 3/0429: {For vehicles}
- B62D 63/08: Component parts or accessories
- F24H: FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL (steam generation F22)
- 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 portable blowup underpinning disposed on a bottom surface of a trailer, the portable blowup underpinning including a center portion to contact the bottom surface of the trailer, a perimeter portion disposed around the center portion, and a hot air blower disposed on the perimeter portion to supply air to the perimeter portion.

## Claims

### Claim 1

A portable blowup underpinning disposed on a bottom surface of a trailer, the portable blowup underpinning comprising:
a center portion to contact the bottom surface of the trailer;
a perimeter portion disposed around the center portion;
a storage portion disposed at a portion of the perimeter portion to store at least one of animals and objects therein; and
a hot air blower disposed on the perimeter portion to supply air to the perimeter portion and the center portion.

### Claim 2 (depends on 1)

The portable blowup underpinning of claim 1, further comprising:
a plurality of trailer securing devices to secure the perimeter portion to the bottom surface of the trailer.

### Claim 3 (depends on 1)

The portable blowup underpinning of claim 1, further comprising:
a plurality of ground securing devices to secure the portable blowup underpinning to the ground.

### Claim 4 (depends on 1)

The portable blowup underpinning of claim 1, further comprising:
a plurality of weights disposed within the perimeter portion.