# US 7,611,321 B1 · Portable storage system

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- Number: US 7,611,321 B1
- Document ID: US7611321B1
- Status: Granted
- Kind: B1
- Application number: 11/974,252
- Filed: 2007-10-12
- Granted: 2009-11-03
- Earliest claimed: 2007-10-12
- Inventors: D. Jeffrey Cooper
- Web page: https://patentgrep.com/patent/US7611321B1

## CPC

- B60P 1/6454: {the load transporting element being shifted by means of an inclined ramp connected to the vehicle}
- 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 method of providing portable storage and a portable storage system including a vehicle for carrying a container. The vehicle includes a tilting bed carried by a wheeled carriage. A lift system tilts the bed from the carriage to load and unload the container by using a conveyor on the bed.

## Claims

### Claim 1

A vehicle for transporting a storage container comprising:
a tilting bed, said tilting bed for loading and unloading the container;
an endless conveyor, a pair of sprockets, said conveyor mounted on said pair of sprockets, said pair of sprockets affixed to said tilting bed;
a motor, said motor operably connected for driving said conveyor;
a latch, said latch mounted on said conveyor, said latch for joining the container to said conveyor, said latch comprising a pivotable forward arm and a pivotable rearward arm, said forward arm engaging said rearward arm in a closed position and as said latch encounters one of said pair of sprockets said forward arm and said rearward arm each pivot to disengage and open said latch; and
a key switch, a pin and a lock, said pin selectively positionable in said key switch for powering said motor, and alternatively positionable in said lock for retaining said latch, said lock proximate said motor, said lock comprising a pair of lock arms, said pin positionable through said pair of lock arms to retain said latch relative to said tilting bed.

### Claim 2 (depends on 1)

The vehicle according to claim 1 further comprising a wheeled carriage supporting said tilting bed.

### Claim 3 (depends on 1)

The vehicle according to claim 1 further comprising a chock for retaining the container on said bed.

### Claim 4 (depends on 1)

The vehicle according to claim 1 further comprising a lock for retaining the container on said bed.

### Claim 5 (depends on 1)

The vehicle according to claim 1 further comprising a ratchet strap for retaining the container on said bed.

### Claim 6 (depends on 1)

The vehicle according to claim 1 further comprising a limit switch proximate one end of said conveyor and another limit switch proximate the opposite end of said conveyor.

### Claim 7 (depends on 1)

The vehicle according to claim 1 further comprising a nudge switch for bumping the container forward on said bed.