US692701A - Lamp-burner. - Google Patents

Description

Patented Feb. 4, I902.

W. A. PENFIELD.

LAM P BU R N ER.

(Application filed mi. 15, 1901.

(No Model.)

Tr: uqnms PETERS co. PHOTO-HTML, WASHINGTON. n. c.

UNITED [STATES YVILLIAM ALLEN PENFIELD, OF MERIDEN, CONNECTICUT, ASSIGNOR TO THE PATENT OFFICE.

BRADLEY 85 HUBBARD MFG. CO., OF MERIDEN, CONNECTICUT, A COR- PORATION.

LAMP-BURNER.

SPECIFICATION formingpart of Letters Patent No. 692,701, dated February 4, 1902. Application filed January 15,1901. Serial No. 43,348. (No model.)

To all whom it may concern:

Be it known that I, WILLIAM ALLEN PEN- FIELD, of Meriden, in the county of New Ha- V611 and State of Connecticut, have invented a new Improvement in Lamp-Burners; and I do hereby declare the following, whentaken in connection with the accompanyingdrawings and the figures of reference marked thereon, to be a full, clear, and exact description of the same, and which said drawings constitute part of this specificatiomand represent, 1n-

Figure 1, a view in vertical seotionof one form which a lamp-burner constructed in accordance with my invention may assume; Fig. 2, a detail view,'partly in elevation and partly in vertical section, for the illustration of the locking sleeve of the chimney-gallery in its elevated or lighting position as well as in its depressed and locked position; Fig. 3, a detached plan view of the wick-stop collar of the chimney-gallery; Fig. 4, abroken View of the upper end of the outer wick-tube,showing its bayonet-lock pin; Fig. 5, a detached View, in side elevation, of the locking-sleeve, showing its bayonet-lockgroove and lockingnotch; and Fig. 6, a detached plan view of one of the modified forms which the wick-stop collar may assume.

My invention relates to an improvement in that class of central-draft lamp-burners which are constructedwith particular reference to preventing the wick from being lifted high enough to cause the lamp to smoke, the object being to secure these results by extremely simple and eifective means.

With these ends in view my invention consists in certain details of construction and combinations of parts, as will be hereinafter described, and particularly recited in the claims.

In carrying out my invention as herein shown I locate a wick-stop collar 2 at the upper end of the perforated chimney-gallery cone 3. As shown,'the said collar is made integral with the said cone; but that is not essential, as it might be made independent thereof and secured thereto. The said cone rises from the chimney-gallery ring 4, which is provided with the usual upwardly-projecting spring chimney -holding fingers 5, the

bead llfrom the slightly-tapering burnerskirt 12, the upper end of which is shaped to form a seat for the outer edge of the galleryring 4:, It will be observed by reference to Figs. 1 and 2 of the drawings that the internal diameter of the wick-stop collar 2 is only just large enough to permit the same to ride down over the extreme upper end of the outer wick-tube 8, of which the said collar virtually forms an extension when the gallery is in its depressed or operating position. The locking-sleeve '7 is struck up from the inside to form the groove member 13 of a bayonetlock, the pin 14 of which projects from the outer wick-tube 8, as shown in Fig. 5. The upper end of the groove 13 opens, as seen in Fig. 6, into a notch 15, formed in the upper edge of the sleeve 7 and having an inclined locking edge 16, which rides under the pin 14: when the gallery is turned from right to left after it has been allowed to descend into its normal position from its elevated or temporary position, into which it is lifted, as shown by the broken lines in Fig. 2, for the purpose of lighting the lamp. If desired, the notch 15 might be [replaced by an inclined groove struck up from the inside of the sleeve in the same way as the groove member 13 of the bayonet-lock. is formed. In the event of the adoption of that construction, which seems too obvious to require illustration further than that afforded by the groove member 13, the sleeve would be made longer or extended at its upper end, which is the same thing.

' With reference now to the wick-stop collar 2 its upper edge is turned inward over the path of the Wick 17, which is raised and lowered in the annular space between the outer wick-tube 8, before mentioned, and the inner wick-tube 18, which is secured by its lower end to the lamp-fount and the upper end of whichreceives the flame-spreader or air-distribnter 19, which may be of any approved i it from burning freely.

construction. As shown in Figs. 1 and 8, the upper edge of the wick-stop collar 2 is turned inwardly at a right angle to form a horizontal flange 2, which is formed with an annular series of short teeth or points 20, which while they are in position to be engaged by the wick, so as to limit the upward movement thereof, do not cover enough of it to prevent In constructing the burner the said teeth will be arranged to stop the lifting of the wick after the upper edge of the same has been lifted to the point beyond which it cannot be lifted without causing the lamp to smoke. The teeth 20 may be increased or decreased in number, the object being to aiford a uniform stop for the wick, by which is meant a stop which will evenly limit its upward movement and prevent one portion from being pushed sensibly beyond another portion. They constitute extensions of the wick-stop collar, and their number and specific form are immaterial as long as they are adapted to perform their wick-stopping functions without preventing the wick from burning.

In the modification shown by Fig. 6 of the drawings the upper edge of the collar 2 is turned inward to form a continuous wickstop flange 21, which constitutes, in effect, a single extension of the wick-stop collar 2.

\Vhen the wick is lifted into engagement with the wick-stop teeth 20 of the collar 2, it will exert an effort to lift the entire burnergallery up, and that effort will be resisted by the locking means already described. Other locking means might also be employed. In using my improved burner, therefore, it will be necessary before lifting the gallery to light the lamp, to rotate the gallery, so as to unlock it, and then to again rotate it correspondingly in the opposite direction, so as to look it in its normal or down position. The looking device employed for this purpose, whatever its character, should work enough easier than the means employed for securing the burner to the lamp within it so as not to disturb that connection.

In view of the modifications described and shown and of others which may obviously be resorted to I would have it understood that I do not limit myself to the exact form illustrated, but hold myself at liberty to make such variations therefrom as fairly fall within the spirit and scope of my invention.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A lamp-burner having a vertically-movable chimney-gallery formed with a wick-stop collar adapted to be engaged by the wick to limit the upward movement thereof, whereby the wick is prevented from smoking, and formed with a plurality of teeth which are engaged by the wick and between which the wick burns, and said gallery being constructed to be locked in its depressed or normal position against the lifting action of the wick.

2. A lamp-burner having a chimney-gallery comprising a perforated gallery-cone, a gallery-rin g, a locking-sleeve carried by the said ring, and adapted to ride up and down upon the outer wick-tube of the burner, a wickstop collar located at the upper edge of the gallery-cone and formed with an extension into the path of the wick, the upward movement of which it limits.

8. In a lamp-burner, the combination with a vertically-movable and rotatable chimneygallery having its cone provided with an inward extension into the path of the wick, the upward movement of which is thereby limited, and carrying a locking-sleeve formed with a bayonet-lock groove and with a locking-notch intersected by the upper end of the said groove; of a burner-skirt and an outer wick-tube connected therewith and provided with a pin coacting with the said bayonetlock groove, and with the inclined lower edge of the said notch, whereby the said edge by riding under the said pin when the gallery is rotated, locks the same in its normal or depressed position against the lifting power of the wick when the same impinges against the said extension of the gallery-cone.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

WILLIAM ALLEN PENFIELD.

Witnesses:

WV. A. HALL, GEORGE D. SEYMOUR.

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