US1769353A - Boat-salvaging device - Google Patents

Description

July 1,.'1930. L, F, LQNG BOAT SALVGING DEVICE Filed April 17, 1928 \w w IIIIIIUFIHHHIIHHWIIIU A y M au l1.. IIN H1! H H Il llllyllllllllllllld mmv.

ATTORNEY Patented July 1, 1930 l UNITED STATES vPpxrEN'i omer.

LOUIS F. LONG, OF ST. LOUIS, MSSO'URI BOAT-SALVAGING DEVICE Application filed April 17, 1928. Serial No. 270,760.

This invention relates to salvaging apsisting metal, of a size and thickness conparatus for use in raising ,sunken vessels and forming to the size of the boat in connecboats of all characters. tion with which they are to be used. These It is well known that when vessels and bands pass under and around the boat at boats of various kinds sink and settle in mud longitudinally spaced intervals and are 55 or sand at the bottom of the water, it is sunken iiush with the boat as is shown cleargenerally difficult and often impossible to ly in Fig. l, terminating at their ends on a pass a cable beneath the bottom of the boat level with the deck, and provided in said to which'it is customary to apply hoisting ends with up-standing eye-bolts 4 with tackle. Ordinary arrangements provided which the hoisting tackle may be readily 60 for lifting such vessels without passing a connected. The building in of these sal cable under them are liable to pull out and vage bands as apart of the boat avoids all defeat the object. necessity of dredging in mud and water A primary object of this invention is to under the boat to get chains under itto provide simple yet eificientmeans carried alraise it and also saves valuable time which is 65 ways by the boat and which are built in as an important factor in the case of a suba part of the boat, and which, while passing marine in which the crew is imprisoned. under and around the boat are accessible With this form of salvaging apparatus, all from the top of the deck, thereby dispensing that is necessary is for access to the top of with all the useless labor of dredging in the the deck to be accomplished and then chains y70 mud under the boat in order to get chains or or cables may be secured to the eye-bolts l cables under it to raise it, as well as the conand any power available applied for rais* sumption of time necessary to such a perlng the boat. A formance, To further assist in raising the boat, air Y '25 Another object of the invention is to propipes are provided, one extending into vide simple and eflicient means for forcing each air compartment of the boat and proair into the various air compartments of the JeCtlIlg at their upper ends above the deck boat to facilitate the raising thereof, 2 and there equipped with suitable valved In carrying out these objects, the invencOnnections whereby an air supply hose may tion is susceptible 0f a Wide range of modibe quickly. attached thereto so that air may so fication without departing from the spirit be forced into the compartments, which lator sacrificing any of the advantages of the ter are provided in nearly yevery form of vesclaimed invention there being shown inthe sel, and this air, of course, renders the boat drawings for illustrative purposes a premore buoyant and more readily raised.

ferred and practical form in which; `It is, ofcourse, to be understood that any Figure l is a perspective view 0f a boat suitable air supply means ymay be provided equipped with this improved apparatus; for forcing air into the compartments, such Fig. 2 is a side elevation thereof, and Y as air compression pumps.

Fig. 3 is a detail perspective view of one` l/Vithout furtherk description it is thought of the boat encircling bands constituting a that the features and'advantages of the inpari; of the invention vention will be readily apparent to those In the embodiment illustrated, a boat 1 skilled in the art, and it will of course be is shown of the closed submarine type, havunderstood thatv changes in the form, proing the usual deck 2. portion and minor details of construction This boat is provided with a plurality of may be resorted to, without departing from 95 what we will call salvage bands 3, any dethe spirit of the invention or its scope as sired number of which may be employed, claimed. according to the size of the boat in con- I claim nection with which they are used. These YThe combination with the hull of a vesbands 3 are composed of suitable strain resel, of a plurality of salvage bands secured t0 the exterior of said hull and sunken flush with said exterior, said bands passing transversely around the bottom of the hull and having their ends terminating flush With the deck thereof, said bands being provided at their ends with means for the attachment of hoistingy tackle, said means projecting above the deck level to facilitate engagei nient with the hoistingV tackle.

LOUIS F. LONG.

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