USRE6355E - Improvement in lamps - Google Patents

Description

PATENT OFFICE.

BENNETT B. SCHNEIDER, OF NEW YORK, N. Y.

IMPnovEMENT m LAMPS.

Specilioation forming part of' Letters Patent No. 102,163, dated April 19,1870; reissue No. 6,355, dated March 30,1875; application filed February 2, 1875.

To all whom it/11mg concern:

Be it known that I, BENNETT B. SoHNEI- DER, of' the city, county, and State of New York, have invented certain Improvements in Lamps; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing forming part of this speciication.

One part of this invention relates particularly to that kind of lamp which has an oilreservoir with a valve in the bottom, and is placed in a case or receiver, in which it is supported at a level higher than the burner. The object of this part of the invention is to )rovide for positively closing this reservoir,

y means of its valve, in such manner that the reservoir, after it has been removed from its case and filled with oil in an inverted position may be turned over and replaced in the shell without danger of spilling the oil, and Without liability to force out the oil through the burner in such a manner as to produce au overiiow, and that when the reservoir is in its place in the case the valve may be easily opened to permit the flow of oil to the burner, or closed to cut oii the suppl y from the burn er, and thereby to prevent overflow when the lamp is not in use. This part of the invention consists in the combination, with the reservoir and case, of e valve itted to the bottom of the reservoir, and which may be opened and closed by turning the reservoir in the case, and in means of effecting the opening and closing by such turning of the reservoir. y Another part of the invention relates to the Argaud burners commonly used in lamps of the class hereinabove mentioned. One of my improvements in such burners consists of the simplification of their construction by uniting the deieetor at its wp directly to the tube, which immediately surrounds the wiel: (and which is revolved or turned to effect the adjustment of the wick) in such a manner that the said tube, the deieotor, and the chimneygallery form but a. single piece.

Another feature consists in strengthening and protecting with strips of metal the edges of the slot provided in the outside wick-tube for the reception of the spur of the wick-carnel'.

Another feature consists in providing in the top ofthe deflector, or the piece which unites it to the top of the said outside wick-tube, a series of openings close to the said tube, in such manner as to cause any oil which may drip from the burner to flow into the tube or shell containing the aforesaid wicletube, or the cup provided at the bottom of the same.

In the accompanying drawing, Figure 1 is a side View of a lamp embodying my inven tion, the chimney and standard thereof being broken 'away for the sake of compactness. Fig. 2 is a. vertical section, in detail, on a plane parallel to Fig. l, showing the burner, and the shell which contains the oil-reservoir. Fig.3 is an under-side view ofthe oil-reservoir, a small portion being broken away to show the inside disk, forming part of the ou t-oi' or valve of the same. Fig. 4 is a top view of the burner. Fig. 5 isahorizontal section taken through the wick-tubes on the plane of the dotted line a: Figs. 1 and 2. Fig. 6 is a vertical central section of the oilreservoir; and Fig. 7 is a side view of the outside wick-tube, the deiiector being omitted.

Similar letters of reference indicate corresponding parte in the several figures.

A designates a oase or receiver, for holding the oil-reservoir. This receiver is of cylindrical form, and it is provided internally with a groove or passage, which is open at the upper end, extends downward along the inside of the said receiver, and terminates, at a suitable distanoe from the bottom thereof, in a transverse extension, having a. closed outer end. In the example of my invention illustrated in the drawing this passage is formed by `securing inside the receiver A a wire, f, bent so as to confine or bound a space which is of the general shape of the letter L, Casse Fig. 2,) and is open at the top, but close the outer end of its lower limb or transverse extension. (J designates a. supply-pipe, lead` ing from the receiver A to the tube or pipe which contains the wick-tube. This pipe is shown as being provided in the usual way with o. slide and a set-screw, whereby it is adapted to move up and down, and be secured in any desirable position on a suitable standard or stem. B designates the reservoir. It is of oylindric form, and provided with a valve,

which is capable of being operated in a positive manner by means of turning the reservoir within the receiver A. Thisvalve is represented as consisting of a pair of disks, applied, one, b, to the upper side of the plate which forms the bottom of the reservoir B, and the other, o, to its lower side.- These two dislrs are rigidly secured to a pin or pivot, d, which is free to turn in the bottom of the reservoir. In these disks are holes or openings, which correspond in size, and in their distance from the pin d, to a hole or opening, c, in the bottom 'of the reservoir.

By turning the disks so that their said openings are brought into line with the hole u, the reservoir may be opened for filling it, or for permitting the iiow of oil from it into the receiver A. By turning the disks so that their said .openings areshifted out of line with the hole u, ,the bottom of the reservoir is closed,

and the icw ot' oil from it is consequently prevented.

On the bottom of the dislr c is a rod, arm, or projection, e, which extends slightly beyond .the periphery of the reservoir B, and serves as a means by which to shiit the valve b c. For the sake of strength, this arm may extend through an arcshaped -slot in the bottom of the reservoir, and be secured to the disk b, as well as to the disk c. To prevent this .arm e from moving unnecessarily far, stops g g may be arranged, one on each side of it, on the reservoir B; and to prevent the said arm from being .wrenched off, a bar, l, may be arranged under it andisecured to the stops g g.

The. reservoir B may be filled through the opening al when it is turned upside down and its valve opened.

The reservoir is placed in the receiver A so that the endbf the valve-operating arm e enters and passes down a vertical groove or passage, f f, provided therein. This groove or passage is represented asformed by soldering two wires to the interior of the receiver.

When, after placing the reservoir in the receiver, it is desirable to open the valve and permit the flow of oil to the wick-tube, the reservoir. is turned so as to cause the valve operating arm e to enter the transverse exten sion f' of the groove f f, and abut against the closed end thereof, and then the continued shifting ofthe reservoir opens the valve` by brin ging its hole c into line with the openings of the valve b o, and the oil is free to How out; but until the reservoir is thus turned no oil can escape from it, and hence none is spilled in turning over the reservoir right side up after hlling, and none is allowed to pass into the receiver A and be expelled therefrom and caused to overflow the burner by the pist-orb like operation of the reservoir produced by the act of inserting it into the receiver.

Fitting in the said transverse extension f' of the passage ff thelarm c precludes the rem oval of the reservoir by hfting it upward, and renders it necessary to first turn the reservoir in order to cause the arm to enter the main groove. This movement being necessary the person endeavoring to remove the reservoir will be reminded to turn the reservoir sufficiently far to eil'ect the closing of its valve before lifting it out, and thereby obviate the spilling of any remnant of oil which may be in the reservoir. When the lamp is extinguished the opening ce in the bottom ot the reservoir should be closed by turning the reservoir, as just described, while the arm eis bearing against the stop formed by the side of the main passage f farthest from the transverse extension thereof. D deslgnates an upright shell or tube, which is arranged at the end of the supply-pipe C, and contains the wick-tube and its appurtenances. This tube D is constructed in the usual manner, and at the bottom is provided with a cup, E, for receiving oil, which may drip down the outside of the said tube from the burner. It also contains an inner spiral grooved or threaded tube, F, upon which fits an ordinary s pirally-threaded wick-carrier, G. H designates the outside wick-tube, which is shown as being formed of sheet metal, and provided with the usual slot or opening for the reception of the spur or tongue by which said wicln carrier Gr is turned. Strips t i, of sheet metal, are folded over and secured to the edges of this slot, and the tube is braced at intervals in its length by surrounding rings, the lower of which is provided with an outwardly-extending flange adapted to lit snugly in the tube D and steady the said wick-tube therein. I designates a deflector, which is represented as being of about the usual form, and provided with a chimney gallery or holder, J, but instead of being secured by arms to a separate short tube surrounding the tube D, and connected detachably thereto, the deflector is represented as being permanently attached to the outside wick-tube H, near its top, by an inwardly-projecting portion of the said deiiector or ange or connecting piece attached to said tube.

In practice probably a good mode of con struction will he to contract the metal at the top of the deflcctor, so as to make it lit snugly around the upper end of the tube H, and then solder it thereto. It is, however, necessary, or, at least, preferable, to form a row o f perforations, jj, in that portion of the metal which connects the dellector proper to the tube H, to allow air to pass upward at that point from the inside of the deiiector, and, preferably, to depress the metal inside this row of perforations j j so as to form an annular gutter, which, ifz perforated with holes k k, will return to the inside of the tube D any oil which may drip outside of the wick along the exterior of the tube H.

What I claim as new, and desire to secure by Letters Patent, is-

1. The combination, with the bottom plate of the reservoir B, having an aperture therein for the admission and escape of oil, of avalve having acorresponding aperture, and attached to the bottom of the reservoir, to be capable of turning thereon, substantially as herein described.

2. The combination of the reservoir B, a

I turning-valve attached to its bottom, an erin,

e, provided on such valve, and a receiver, A, having e groove or passagein its inner side receiving said arm, substantially as and for the purpose herein described.

3. The combination, With the reservoir B, valve b or c, furnished with an arm, e, of a. receiver, A, provided in its inner side with a. passage terminating in a transverse extension, substantially as herein set forth, where- BENNETT B. SCHNEIDER.

Witnesses:

HENRY T. BROWN, MICHAEL RYAN.

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