US8692A

US8692A - serrell

Info

Publication number: US8692A
Authority: US
Publication date: 1852-01-27
Anticipated expiration: 1869-01-27

Description

N.PETERS. PHOTO-L THOGRAPHER. WASHINGTON D C 1 UNITED sTATEs clarion. N

l oHARLEsrERLnv, or New YORK, N. Y.

` SHIPS Davrr. i

Specification of LiettersiiPathent No. 8,692, `dated January 2'?,` 1852.

joint on the foot lanch, so that thedavit can be lowered down alongside and within the bulwarks entirely out of the way, the davit remaining in and attachedto the socketready to replace for use; and I hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawing, making part of this specification, wherein- Figure l, shows a section of the bulwarks, with the davit in place, ready for use; Fig. 2, shows the davit, laid down against the bulwarks, or stowed away Fig. 3, is a plan, on larger size, of the lianch and socket to receive the end of the davit; Fig. 4:, is a longitudinal section, and Fig. 5, is a cross section, throughthe center of the socket.

The like marks of reference denote the same parts, in all the gures.

a, is a foot plate, formed to set on the deck, or as shown, of the forni of the plank shear, with the water ways and deck; this plate a, is secured by bolts 1, to the part of the vessel to which the davit is attached, and is formed with a `square block c, having in the top a socket, that receives the projection, or half globe 2, of a socket c?, that is formed as a short cylinder to receive the lower end of the davit,7 and around the square base of the socket ci, on the top face of the socket c, are lanches 4f, formed as shown, to support the socket CZ, in addition to the projection 2, in the socket c.

On one side of, and formed with the socket d, is a joint 5, that enters between two lugs or ears, 6, on the ilanch a, against the side of the socket c, through which is a e pin 7, forming a joint: I prefer this pin 7,

to be of brass,`to prevent rusting: This joint allows the socket d, to be turned up, into the position shown in Fig. 2.

e, is the lower end of the davit, formed round to enter the socket al, in which it is secured but allowed to turn, by a pin 3, through the side of the socket, entering a semi-circular groove around the part Ve, of

the davit this part e, when t-he davit is l in use, stands vertically, or nearly so, and is supported by a forelock 1l, in a semi-circular notch, in the support g, which may bea part of the rough tree rail, it, of the vessel, or other convenient part, andthe Vdavit is iinished by the curved part f, with an eye 10, as usual, taking by a hook, or swivel, the hoisting tackle, one block ,.of which is shownin place.

It will now be seen, that the davit is supported, and can be used to raise any article, such as an anchor, or boat, up, and swinging it around over the bulwarks, and allow it to be lowered onto the deck, or lowered overboard; and when not in use, the

forelock l1, is to be opened and the davit lowered down alongside the bulwarks and secured as seen in Fig. 2. The socket d, turning on its joint 5, allows of the lowering of the davit, still retaining the foot, and when required for use, all that is necessary is, to hoist the davit into place, and secure it by the forelock 11, or similar means.

The holes 8,V and 9, may be bored in the parts c, and d, toallow the escape of water so as to prevent rusting.

This davit, although shown as applied to the inside of the vessel, may be applied to the outside, by the use of a vertical instead o a horizontal flange, or may be applied in any other convenient situation.

In the old mode of fitting davits, the lower end is simply set in an open socket, so that when not in use, it usually stands in its place, and is in the way of the rigging; and Aalso is a heavy weight, which, in lashing about in a storm, strains or damages thebulwarks; and always interferes with the free motion ofthe ship; and when the davit7 is hoisted out and, laid down, if the anchor is wanted in a hurry, it is generally when secured, ready for use: For the purpose of raising, or lowering, a rope to the yard arm, and davit e, for the purposes, and as del0 or other convenient place, may be employed. scribed and shown.

I do not claim any of the separate parts In witness whereof I have hereto set my themselves, but signature i this thirtieth day of December 5 I do claim as new, and of my own invenone thousand eight hundred and fifty one.

tion, and desire to secure by Letters Patent CHARLES PERLEY. 'of the United States, Witnesses:

The application of the socket d, on its W. SERRELL, hinge 5, in combination with the socket 0, LEMUEL W. SERRELL.