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Número de publicaciónUS510711 A
Tipo de publicaciónConcesión
Fecha de publicación12 Dic 1893
Fecha de presentación16 Nov 1892
Número de publicaciónUS 510711 A, US 510711A, US-A-510711, US510711 A, US510711A
InventoresWilliam Rowe
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos: USPTO, Cesión de USPTO, Espacenet
Engineer s lamp
US 510711 A
Resumen  disponible en
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Reclamaciones  disponible en
Descripción  (El texto procesado por OCR puede contener errores)

(No Model.)

2 Sheets-Shegt 1.


No. 510,711. Patented Dec. 1-2, 189 3.


wAamNaYcN. D. 0.

(N0 Mode1.) v 2 sheets-sheet 2. W. ROWE.


No. 510,711. Patented Dec. 12,1893.


wAauma'roN. n. cl




SPECIFICATION forming part of Letters Patent No. 510,711, dated December 12,1893.

Application filed November 16, 1892. Serial No. 452,196. (No model.)

To all whom, it may con'cerm.

Be it known that I, WILLIAM ROWE, general agent, a subject of the Queen of Great Britain, and a resident of No. 512 Canning Street, North Carlton, near Melbourne, in the British Colony of Victoria, have invented an Improved Hand-Lamp of the kind commonly known as Engineers Lamps, of which the following is a specification.

This invention relates to those kinds of hand lamps which are commonly known as engineers lamps, and consists of certain novel means for keeping the lid or cover closed, and for assisting to return it to its closed position after it has been opened. Heretofore various means have been suggested for this purpose, but I have found that in practice they are either complicated, or expens1ve, or inconvenient.

The object of this invention is to providea hand lamp of this class, having a lid or cover closing the mouth of the lamp which can easily be raised when it is required to empty or replenish the lamp with oil and as easily be replaced afterward; but being at all times socurely held in position so as to make it almost impossible for the lid or cover to become accidentally displaced or lost.

Hand lamps constructed according to my invention have the lid or cover connected by a spiral spring with the bottom of the lamp, the tendency of which is always to keep the lid closed; but, in addition to this, it has a rigid connection passing through the center of the spring of just suflicient length to allow said lid or cover to be raised high enough to be slid back so as to uncover the top or mouth of the lamp. The upper ends of the spiral spring are fastened to an eye formed preferably by bending a piece of wire into the required shape, the ends of which wire are passed through the lid or cover. The lower ends of the spring are fastened to an eye formed preferably in the same way, the ends of the wire forming the eye being passed through the bottom of the lamp. In each case the ends of the wire forming the eye are bent over and soldered, a cap piece being fitted over the ends in order to impart a finish to the article.

The rigid connection above referred to is described, to the bottom of the lamp, so as to permit of only such an amount of movement to the lid as is necessary for the purposes described. A short piece of tube projects from the inside of the bottom of the lamp and encircles the lower part of the spiral spring, in order to act as a shield and so prevent the vwick coming-into contact therewith. On the inside of the lid or cover is a washer or pad, consisting by preference of a circular piece of leather, to assist in more perfectly closing 7 the mouth of the lamp, and thus prevent the contents escaping in the event of the lamp being turned upside down.

Referring to the accompanying drawings: Figures 1 and 2 are vertical central sections of a hand lamp constructed according to my invention, showing the lid or cover opened in the first case and closed in the second. Fig. 3 is a front elevation of same, and Fig. 4 is'a plan of the top of the lid.

The same letters of reference indicate the same parts in all the figures.

A represents the lid or cover of the oil receptacle B.

A is the washer or pad on the inside of the lid or cover; 0 the spiral spring which is connected at one end to said lid or cover, and at the other to the bottom of the lamp as shown; while D, D represent the rigid connection consisting of two pieces of wire looped together, the end of one being secured to the lid or cover and the end of the other to the bottom of the lamp alongside the ends of the loop 0' to which the spiral spring C is attached.

E represents the protecting tube or shield which projects from the bottom of the lamp and encircles the'lower part of the spring 0, so as to prevent the wick coming in contact therewith.

The front part of the lid is preferably cut ICO away (as illustrated at 1*) to enable it to be more readily opened and closed, and the lips or edges of the mouth of the lamp are bent inward (as at G) in order to afford a lead to the lid or cover so as to facilitate its return to the closed position. The remaining parts of the lamp being practically the same as those at present in use do not require explanation.

I prefer to make the spouts of my lamps with an inner lining or false month (such as H), for the purpose of more firmly holding the wick in position.

Having now particularly described and ascertained the nature of my said invention and ILLIAM ROWE.



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