US492896A - Andreas sxhner - Google Patents

Description

(No Model.) l 2 sheetsslum 1.

A. SHNBR'.

LANTBRN. Y No. 492,896. Patented Mar. 7, 189.3.

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.a slightly different construction. ,as extended from the top downward. Fig. 13

UNITED STATES PATENT OFFICE.

ANDREAS SHNER, OF BERLIN, GERMANY.

LANTERN.

SPECIFICATION forming part of Letters Patent No. 492,896, dated March 7, 1893.

Application tiled May 23, 1891. Serial No. 393,798. (No model.)

To a/ZZ whom it may concern.-

Be it known that I, ANDREAS SHNER, a subject of the Emperor of Germany, residing at Berlin, Prussia, Germany, have invented a certain new and useful Improvement in Lanterns, of which the following is a specification.

My improved lantern is capable of being folded in a small compass when not required for use. It is lighted both by a lampusinga liquid, as oil, and a candle, with provisions for detaching and using either orboth of these lighting means independently. External shields defend the sides from injury and by means of highly reflective inner surfaces increase the amount of light thrown outward through the front. The air inducted through the perforated bottom is deflected outward against the interior of the lantern to insure that the glass shall be kept at a moderate temperature. I provide special means for obscuring parts when the lamp is to be used for signaling.

The accompanying drawings form a part of this specification and represent what I consider the best means of carrying out the invention.

Figure 1 is a vertical section. Fig. 2 shows the upper portion of a vertical section at right angles to that in Fig. l, and Fig. 3 is a horizontal section. These show the lantern in the condition for use. Fig. 4 shows the candleholding parts with a remnant of candle, detached, and extended. Fig. 5 is a horizontal section showing the lantern folded for packing or transportation. Fig. 6 is an elevation on a smaller scale showing the parts extended, in folding or unfolding. Fig. '7 is an elevation of one of the side shields detached, giving an inside view. Fig. 8 is a corresponding horizontal section. The remaining figures show modifications. Fig. 9 is a horizontal section corresponding to Fig. 5, but with the main portion of each side plane. Fig. l0 is an outline showing the front screen extended from the top downward quite to the bottom. Fig. 11 is a corresponding outline showing the front screen drawn upward into the smallest compass and held by a spring. Fig. 12 is a front view of a portion of a front screen of It is shown is a corresponding vertical section. Fig. 14 is a corresponding vertical section showing the screen drawn upward and retained out of use.

Similar letters of reference indicate correresponding parts in all the figures where they appear.

Referring to Figs. 1, 2, and 3, a is a flat plate of glass, and b Z1 two sides of curved glass, each set in a suitable border or frame of metal c. The bottom e is of metal, perforated to admit air to support combustion,

and @l is the top, of metal, similarly perforated, and having in addition a large cylindrical aperture. These parts are hinged together, the two sides being hinged to the back and the top and bottom to the front, in the manner shown more fully in Fig. 6. There are also hinged to the back, shield plates d d', matching closely to the exterior faces of the curved glass b b. The inner faces of these shields d d are polished to reflect light.

Around the large aperture in the top 't' is a short tube k, extending upward as shown in Fig. l. Into iis interior is matched from below a corresponding tube k with its lower end flared. Upon the exterior of the tube k is matched a short tube of corresponding depth k2. These parts moveone upon the other like the sections of a telescope. The upper length k2 is surmounted by a cap k3, which is lined or faced on the under. side with a layer of asbestus 104, held in place by wire cloth l5. All thesetelescopic parts are perforated and allow the hot air rising into the chimney to escape. The lower part la is formed withtwo cross pieces sustaining a vertical spindle, Q7,

- in the center, on which revolves a light screw or helicoidal piece r, which, when the lantern is in use revolves with the action of the ascending current of air. Its employment gives steadiness to the out-goingcurrent and guards against any down current in any part of the chimney. It also defends against the eifect of gusts of wind. The bottom c has also a circular aperture, surrounded by a short tube e which extends both upward and downward, the lower edge having a ange e2. Within this is iitted a series of successively smaller tubes, g g g2 g3, which are capable of being extended upward telescopically as shown in Fig. 4. The innermost tube g3 has a iiange g4 at its upper edge, and carries a horizontal partition g5. This tube is adapted to support a candlef. At the upper edge of the outermost tube is `a broader 'iiange' g, of a form corresponding with the interior of the lantern, but smaller. Theairrisingthroughtheapertures 1n the perforated bottom e is deflected outward by the flange Q6 and cools the entire inner surfaces of the lantern.

The provision for lighting by oil is independent. In rear of the back c is a chamber h extending the whole height of the lantern and having a tube h', extending laterally therefrom at about the mid-height and carrying a suitable burner. ward and downward as indicated by h2, and carrlesa wick which serves as will be obvious, to convey the oil or other combustible iiuid from the lower part of the chamber 77, to

l which there obtains.

the burner. The upper portion of this vessel is formed with a hook hs which engages over the upper edge of the back c, and holds the parts reliably together. At about the midlieight of the vessel h is a horizontal partition having a small aperture h3. Above this is a considerable chamber which holds a supply of oil or analogous tluid introduced through an aperture closed by a tight-fitting screwplug h4. An air-tube 72.5, open at both ends extends up and down past this upper reservoir. The bottom of the lower reservoir is stopped by a tight litting screw plug h6.

The partition dividing` the chamber h into an upper and lower portion, allows a large quantity of oil to be received and stored in the upper part without affecting the level or pressure of the oil in the lower part. The partition which separates these chambers, allowing them to communicate onlyby the contracted aperture h3 in the extended base of the upper chamber allows the oil above this partition to be retained by atmospheric pressure and to be delivered automatically by the admission of bubbles of air through the passage hs, which rise to the surface of the'oil in the upper reservoir and relieve the vacuum In case it does not sufficiently descend through such automatic action the plug h4 may be lifted a little at intervals or in extreme cases may be set loosely so as to allow air to leak in and to allow the oil to descend.

The bottom of the oil vessel h is provided with a folding plate k7 which when the lamp is used in the lantern makes a finish and protects the plug h6, and when this oil-supply Vessel h with its attached burner h is removed from the lautern and used independently it may either rest on the plate k7 as in the position shown in full lines, or preferably the plate k7 may be extended into the position shown in dotted lines in Fig. l. In the latter case it serves to extend the base of the body and increase its stability, the hinge being made with a stop to arrest it stifliy when sufficiently turned.

The back plate c is formed with a suiicient aperture (see Fig. 6) to allow the wick tube to be inserted and removed.

This tube is extended inv d2 cl2.

The wick-tube h is capable of being partially revolved horizontally on the tube h2, as indicated in dotted lines in Fig. 3. Whenever it is desired to light by the candlef, the tube h may be swung out of the way without removing the other portions of the provision for lighting byoil. This means of producing the light by oil may be, in emergencies, used simultaneously with the candlef by turning it into an intermediate position, and in such case the light of both will be made available. A screw-cap, shown in dotted lines in Fig. 1, may be applied on the wick-tube h when this part of the apparatus is to remain long out of use.

An aperture in the shield plate d is exposed at will by means of a slide d3, guided in ways This is useful in signaling. I provide for making the front of the lantern opaque either in whole or in part, at will by means of sliding shutters m of metal, analogous to what are sometimes known as Venetian blinds. The full lines in Fig. l show these shutters 4extending from the bottom up to the midheight, and from the top down to the same level. The dotted lines at the top and bottom respectively, show these movable shutters or Venetian blinds in their closed position. The shades are held in their withdrawn position by means of spring dogs Z. These are shown more fully in the modification, Figs; 10, and ll. In that modification only one series of slats is provided extending from the top down quite to the bottom.

In the modification shown in Figs. 13 and 14 there are closely analogous conditions, but the shutters are allowed to droop or incline downward when in their closed position. In this latter form the slats are secured together by pins and slots and allowed to slide one upon the other while in the form shown in Figs. 1,10 and 1l, they are secured by hinges folded one upon the other. The slats are guided in suitable ways which embrace their ends, and they are iiexibly connected together by cords or chains m m. (See Fig. 2.)

0 is a bail of wire hinged to the top and allowing the lantern to be easily carried in a pendent position, the cap 7e3 with its non-conducting lining 7c4 defending the hand against the heat. A handle p is also provided which allows the lantern to be carried like a pitcher.

Spring catches n hold the parts together in their condition for use. When it is desired to fold the lantern these catches are liberated and the tubes g g g2 the. carrying the candle, which may have been before extended as shown in Fig. 4, are brought into their shortest condition, as shown in Fig. l. Then the shield plate el and the adjacent side b are swung outward, (see dotted lines in Fig. 3.) Now the chimney k lo 7a2 is also shortened to its smallest liinitg-the top z' with its attachments turned down into the position-indicated in dotted lines in Fig. l, and the whole is rapidly and easily brought into the compact condition shown in Fig. 5.

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Further modifications may be made without departing from the principle or sacrificing the advantages of the invention.

The modification Fig. 9, shows a construction similar to Fig. 5, but with plane sidepieces joining the front with short round curves. This form is about as compact when folded as that in Fig. 5, and the lantern when extended has about the same qualities.

I claim as my invention- 1. The folding lantern described having the front a, sides b b', back c, bottom e, and top z', hinged together and adapted to be extended to form a capacious lantern or to be folded to stow in a small space, in combination with a perforated telescopic chimney 19,10', k2, mounted in the top and adapted to fold into the interior of the structure for packing, as herein specied.

2. The folding lantern described, having a front a., sides b, b', back c, bottom e and top z', hinged together and adapted to be extended to form a capacious lantern or to be folded to stoW in a small space, in combination with a perforated chimney 2c, 7c', k2 adapted to fold into the interior of the structure for packing and with the freely revolving scroll Z, mounted in the chimney, the cap k3 and non-conducting lining 704, and with the bail o, above the cap so that the hand grasping the bail is protected from the' heat of the flame, substann tially as herein specified.

3. The folding lantern described, having a frontI a, sides b b', back c, bottom e, and top t, hinged together and adapted to be extended to form a capacious lantern orto be folded to stow in a small space, in combination with the telescopic candle-stick g, having a broad plate g, adaptedd to serve as an'air defiector,..

as herein specified. 4o

4. In a folding lantern having a front a, sides fr;

b b', back c, bottom e, and top c', hinged te# gether and adapted to be extended to form a capacious lantern or to be vfolded to stow in a small space, and the detachable lamp h, having a reservoir for combustible fluid in the upper portion, in combination witheach other and with means as the plug h4 for regulating the induction of air to let down such supply to maintain the level of the oil in the lower portion, as herein specified. Y

In testimony whereof I have hereunto set my hand, at Berlin, this 13th day of April, 1891, in the presence of two subscribing witnesses.

ANDREAs soi-insa.

Witnesses vCARL GRONERT, PAUL KHNE.

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