# US 4,393,888 A · Method of protecting contents of a barge while in transit

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- Number: US 4,393,888 A
- Document ID: US4393888A
- Status: Granted
- Kind: A
- Application number: 05/932,667
- Filed: 1978-08-10
- Granted: 1983-07-19
- Earliest claimed: 1977-09-08
- Assignees: American Commercial Barge Line Co.
- Inventors: James E. Nivin
- Web page: https://patentgrep.com/patent/US4393888A

## CPC

- B63B 19/14: Hatch covers (opening devices in general E05F)
- B63B 17/023: {Hatchway tents, e.g. for weather protection of cargo during loading or unloading}
- Y10S 135/903: Roller-operated canvas
- Y10S 135/904: Separate storage means or housing for shelter
- Y10S 135/905: Method of erecting shelter
- B63B: SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06)
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

A tent structure of light-weight reinforced plastic sheet covers the hatch of a barge for weather protection of contents. The cover is stored in compact form aboard the barge for quick erection by a winch system when use is required. The array is secured over the coaming by fastening the cover to the deck at a series of positions with claw hook and chain assemblies. By erecting stored ridge poles to extend above the coaming, the cover thereover provides a pup-tent form which sheds water as a roof, permits loading above the coaming level, and permits loading or unloading in foul weather from the side. Very light-weight reinforced plastic permits a low cost throw-away type assembly with little manpower necessary for erection and produces maximum cargo capacity pay-load and lower maintenance cost by replacement of heavier steel hatch covers.

## Claims

### Claim 1

The method of protecting contents of a barge in transit with an open hatch from the weather comprising the steps of erecting a light-weight fabric pup-tent like hatch cover array to extend above the hatch over a ridge pole assembly affixed to the deck and maintaining the tent in erected position over the ridge pole assembly in transit in the place of alternative hatch cover means, erecting from a folded position stowed on deck the ridge pole assembly affixed to the deck of the barge to extend over the top of the open hatch, placing a removable tent fabric sheet over the framework, fastening the sheet edges to the barge, and removal of the tent fabric and storing for further use on the barge deck by folding the fabric and then rolling the fabric from two ends onto a pair of bobbins.

### Claim 2 (depends on 1)

The method of claim 1 including the step of unstowing the fabric sheet from a stored position on the barge for placement over the framework.

### Claim 3 (depends on 2)

The method of claim 2 including the step of unrolling the fabric sheet from the pair of bobbins and unfolding said sheet.

### Claim 4 (depends on 3)

The method of claim 3 wherein the deck of the barge is provided with a coaming, the sheet edges are fastened to one of the deck and the coaming, and the pair of bobbins is rollably and stowably disposed on the coaming.