# US 2014/0197007 A1 · Conveyor Roller System

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- Number: US 2014/0197007 A1
- Document ID: US20140197007A1
- Status: Published application
- Kind: A1
- Application number: 14/196,404
- Filed: 2014-03-04
- Published: 2014-07-17
- Earliest claimed: 2001-02-06
- Assignees: Advanced Aircraft Roller Systems, Inc.
- Applicants: Advanced Aircraft Roller Systems, Inc.
- Inventors: Bryan Spiess; John Dallum
- Web page: https://patentgrep.com/patent/US20140197007A1

## CPC

- B65G 39/02: Adaptations of individual rollers and supports therefor
- B64D 9/00: Equipment for handling freight; Equipment for facilitating passenger embarkation or the like
- B65G 13/00: Roller-ways (storage devices comprising roller-ways B65G1/02; endless-chain conveyors comprising load-supporting rollers B65G17/00; rollers or arrangements thereof B65G39/00)
- B65G 39/00: Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors (driving gear for rollers of roller-ways B65G13/06)
- B65G 39/10: Arrangements of rollers (on a single axle B65G39/04)
- B65G 39/12: mounted on framework
- F16C 13/00: Rolls, drums, discs, or the like (guide rollers in feeding webs B65H27/00; calender rolls, bearings therefor D21G1/02; rotary drums or rollers for heat-exchange or heat-transfer apparatus F28F5/02); Bearings or mountings therefor
- B64D 2009/006: {Rollers or drives for pallets of freight containers, e.g. PDU}
- B65G: TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS (packaging B65B; handling thin or filamentary materials, e.g. paper sheets or thread, B65H; cranes B66C; portable mobile or lifting or hauling appliances, e.g. hoists, B66D; devices for lifting or lowering goods for loading or unloading purposes, e.g. fork-lift trucks, B66F9/00; emptying bottles, jars, casks, barrels or similar containers, not otherwise provided for, B67C9/00; delivering or transferring liquids B67D; filling or discharging vessels for liquefied, solidified or compressed gases F17C; pipe-line systems for fluids F17D)
- B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS

## Abstract

An aircraft conveyor system comprising an aircraft including an aircraft cargo storage bay; and a roller mounted within the aircraft cargo storage bay, the roller including a one-piece integral body having a cylindrical shape, the entirety of the body being made solely out of a single piece of polymeric material, said body having a length extending from a first outermost end to a second outermost end and a diameter and a first and second exterior shoulders at the ends, said body including an aperture extending longitudinally along and through the center of said body from the first outermost end to the second outermost end, the aperture sized to rotatably receive an axle therethrough, the axle being for mounting the roller within the aircraft cargo storage bay, wherein the roller has a burn rate of less than 4.0 inches per minute.

## Claims

### Claim 1

A roller system having at least one operable roller unit, each roller unit comprising:
a. a roller, cylindrical in shape having a length and a diameter, the roller having a center aperture extending through the length of the roller and the roller being fabricated from a polymer;
b. a shaft in the form of an elongate cylinder having a diameter sized to rotatably fit within the central aperture of the roller, the shaft further having a means for retention located upon the shaft ends; and
c. an elongate “U” shaped roller rack, the roller rack sized to extend the length of the roller and having a pair of upwardly extending ends located adjacent the ends of the roller, each end having an aperture sized to receive the respective shaft end and locate the shaft in a fixed location.

### Claim 2 (depends on 1)

The roller system as described in claim 1 wherein the polymer forming the roller is a polymer select from the group consisting of polysulfone, polyetherimide, polyetherketone, polyphenylene sulfide and polyvynilidene fluoride.

### Claim 3 (depends on 1)

The roller system as described in claim 1 wherein the polymer forming the roller is an acetyl copolymer.

### Claim 4 (depends on 1)

The roller system as described in claim 1 further comprising a pair of bushings having central openings fitted within the central aperture of the roller and attached to the roller sized to rotatably accept the shaft within their respective central openings.

### Claim 5 (depends on 1)

The roller system as described in claim 1 further comprising a pair of bearings having central openings fitted within the central aperture of the roller and attached to the roller sized to rotatably accept the shaft within their respective central openings

### Claim 6

A roller comprising:
a. an outer housing constructed from a polymer selected from the group consisting of polysulfone, polyetherimide, polyetherketone, polyphenylene sulfide and polyvynilidene fluoride;
b. the outer housing further having a central aperture disposed longitudinally therethrough; and
c. a bearing located surrounding the central aperture and attached to the outer housing.

### Claim 7

A monolithic roller comprising a cylindrical roller body, the roller body having a length and a diameter, the roller also having an aperture extending along and through the center of the roller, the roller fabricated from a polymeric material.

### Claim 8 (depends on 7)

The monolithic roller of claim 7 further comprising a pair of bushings fitted within aperture of the roller extending inwardly into the aperture of the roller.

### Claim 9 (depends on 8)

The monolithic roller of claim 8 wherein the pair of bushing is merged into a single bushing extending through the roller.

### Claim 10 (depends on 7)

The monolithic roller of claim 7 further comprising a pair of bearings fitted within aperture of the roller extending inwardly into the aperture of the roller.

### Claim 11 (depends on 7)

The monolithic roller of claim 7 wherein the polymeric material of the roller is selected from the group consisting of polysulfone, polyetherimide, polyetherketone, polyphenylene sulfide and polyvynilidene fluoride.

### Claim 12 (depends on 7)

The monolithic roller of claim 7 wherein the polymeric material of the roller is an acetyl copolymer.

### Claim 13 (depends on 7)

The monolithic roller of claim 7 wherein the polymer has a compressibility strength of at least 20 psi, impact strength of at least 0.5 ft. Lbs./in. and flexural strength of at least 20 psi.