US249277A - Mill-lam p - Google Patents

Description

P@ WALL. MILL LAM?.

(N o Model.)

No'. 249,277. Patented Nov. 8,1881.

N, vertus. Pmw-ummpw. wnghingm n. c,

I UNITED f STATES PnfrlnvrA GFFICE.

VPATRICK WALL, on ALLEGHENY CITY, PENNSYLVANIA.

MILL-LAMP.

SPECIFICATION forming part of Letters Patent No. 249,277, dated November 8, 1881.

Application filed April 9, 1881. (No model.)

To Vall whom it may concern Be it known that I, PATRICK WALL, of Allegheny City, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement. in Mill-Lamps and I do hereby declare the following to be a full, clear, and exact description thereof.

My invention relates to that class of lamps known as mill-lamps577 andit consists, first, in securing the' detachable cover by overlapping lips or lugs onthe bail-ears; and, secondly, in forming the bail-ears on or with the cross bar or brace for supporting the mouth of the reservoir, whereby acheap, simple, and effective means of securing the removable cover and of bracing the reservoir are obtained, all as will hereinafter morefully appear.

To enable others skilled in the art to make and use my invention, I will now describe it v by reference to the accompanying drawings,

in which- Figure l is a side elevation of my improved lamp. Fig. 2 is a section of part of the same.

Fig. 3 is a perspective view of' the top. Fig. 4. is a perspective view of one of the bail-lugs. Fig. 5 shows how the cross bar or brace may be formed in one with the bail-ears to facilitate manufacturing.

Like letters of reference indicate like parts in each.

It is very desirable in this class'of lamps to have a top which is easy of attachment, capableof being easily and quickly removed, and which, when once in place, will hold firmly against dislodgment and not be liable to be i displaced.

By my present invention l secure such cover by providing the topa with inclines b on the two opposite edges, and betweenthe inclines I form scores or recesses c, of suitable shape to permit the passage of the cover between the lugs d, which overlap and operate as fastening devices upon the said inclines.

I form the suspension or bail lugs d, which are provided' with eyes d for the attachment of the ends of the bail e', with overlapping lips or edges d2, extending inward toward the edge of the reservoir a sufficient distance to .overlap the edges ofthe cover c, when the latter is in piace upon thevessel. The lugs d are usually riveted to' the sides of the reservoir at the upper end in the usual way, or may be connected to or formed on the cross-bar j', (see Fig. 5,) as will hereinafter appear.

In using my improved lamp the cover is put on by passing the lips d2 of thelugs dthrough v the recesses c in the edge of the cover a, and

In order to sustain the reservoir and strength enit at the mouth, there being no ange or rim around the said mouth, I place inside of the reservoir a cross-bar, j', which is riveted or hrazed to the sides of the reservoir. This bar sustains the otherwise unsupported sides of the top and keeps the lamp in abetter shape.

A modification of my construction is shown in Fig. 5, in which the barfis made of wire, with the ends passing through the sides of the reservoir and turned backward and soldered to the edge insuch a way as to form the eyes d for the attachment of the bail, and the inwardly-projectin g points or lugs d2 for fastening the cover. In this way the wire f performs the functions of a brace in the mouth of the reservoir, the suspension-lugs for the bail, and the fastening device for the top. cess, c, only may be made inthe edge of the cover. In which case the opposite edge` of the cover is placed under the lip d2, and then the cover dropped in place, the one recess, c, permitting the other edge to pass the other lip d2,-

or the cover a. may be made slightly oval, with the shorter diameter between the points now marked c, Fig. 3. Then the shorter diameter will permit the cover to pass down between the lips d2, and the rotation of the cover on the upper edge of the reservoir will cause the lips d2 to engage the inclines, which are on the longer diameter of the top.

If desired, the cover may be provided with a swivel, my, attached by a chain, n., to thebail, to prevent the cover from being separated from the lamp.

The advantages of my inventionV are cheapness and facility of manufacture and use.

One re I am aware that a cross-brace has heretofore been employed for supporting the walls of a bailed can to prevent the distortion thereof, and do not herein broadly claim the same; but

5 What I claim as my invention, and desire to secure by Letters Patent, is

1. A suspension-lamp or other vessel provided with bail-lugs having overlapping lips, in combination with a cover having inclines 1o upon its upper edges, substantially as and for the purpose described. 2. In a suspension-lamp or other vessel, the

combination, With the reservoir and detachas specified.

In testimony whereof I have hereunto set my hand. o

PATRICK WALL. Witnesses:

T. B. KEER, JAMES N. PORTE.

Images