US400101A - Levee-protector - Google Patents

Description

(No Model.)

J. M. MQLEMORE 8v 0. D. JONES.

LEVER PROTECTOR.

Patented Mar. 26, 1889.

i z E WITNESSES I ATTORNEYS.

N. PETERS. Photn-Lflhogmpher, Washington. D. C.

UNITED STATES PATENT OFFICE.

JAMES M. MCLEMORE AND CHARLES D. JONES, OF COUS HATTA, LOUISIANA.

LEVEE-PROTECTO R.

SPECIFICATION forming part of Letters Patent No. 400,101, dated March 26, 1889.

Application filed October 3, 1888. Serial No. 287,117. (No model.)

To all whom it may concern:

Be it known that we, JAMES M. MCLEMORE and CHARLES D. JONES, of Coushatta, Red River parish, in the State of Louisiana, have invented certain new and useful Improvements in Levee-Protectors, of which the following is a specification.

This invention relates to a device for protecting the artificial dikes or levees used principally on Western rivers. The levee itself is a protector to the natural bank of the river, but at times and from special causes it is found inadequate to accomplish its purpose. It is sometimes submerged and overflowed by high water, or undermined and washed out by currents, great damage being caused in either event to these costly structures.

The object of this invention is to supply a removable shield or protector, which may be placed at points exposed to dangers of this character, and which will entirely prevent the disastrous results above alludedto.

The invention consists in certain novel features of construction, as will be hereinafter fully explained in the annexed specification, and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a front View. Fig. 2 is a vertical transverse section through the levee structure and the protecting-shield. Fig. 3 shows the protector as a deepener of channels.

A represents the levee structure, which in transverse section is of frusto pyramidal shape and built in the usual way. The shield B is applied to the water front of the levee, extending below the same, as shown, and 'is constructed in sections of cast or wrought iron of any suitable size and thickness. These sections are bolted together, as shown at h, each of the sections being formed with a rabbet, b, on which the overlapping section fits, making a smooth front and a water-tight joint. Fig. 1 shows a portion of a shield composed of four metallic sections.

The shield is of course backed by the front wall of the levee; but as it extends above the crown of the latter it is necessary to provide additional means for resisting the pressure of the water. This is afforded by braces C, Fig. 2, which may be secured to or cast with the protector, and extend from it back at a sufficient angle to afford the greatest resistance to the crown of the levee, where they are firmly bolted or otherwise anchored. This work continued until a sufficient height is reached for the levee structure. It is also very effective as a breakwater or dike in deepening channels in which bars have been formed by confining the water to the channel, as shown in Fig. 3, resulting in the removing of the obstacle. In this case the shields are set at an angle to the bank as far as the bar or the portion requiring deepening extends and confines the water to a narrow channel, which causes the current to scour or wash out the bottom. It is also of great service for temporary use in repairing old levees by defending them from the water while the repairs are progressing.

Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is

1. The combination,- with the levee structure A, of the shield B, applied to the front of the levee, said shield consisting of sections bolted together, as at h, each of said sections formed with a rabbet, b, on which the overlapping section fits, whereby a smooth front and a water-tight joint are formed, substantially as and for the purpose described.

2. The combination, with the levee A of the usual form, of the shield B, applied to the water-front of said levee, said shield formed of metallic sections secured together, the lower section extended below the levee and entered into the river-bed, the upper portion of said shield projected above the levee, and an angle-brace, 0, formed substantially as shown, its upright arm connected to the rear of the upper projecting portion of said shield, its horizontal member resting on the levee top, substantially as shown and described.

JAMES M. MoLEMORE. CHARLES D. JONES. WVitnesses:

J. M. T. ELLIOTT, THEo. SAYLOR.

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