US678126A - Combined wick-stop and flame-extinguisher. - Google Patents

Description

No. s7s,|2's. Patented July 9, 1901.

W. A. PENFIELD.

COMBINED WICK STOP AND FLAME E'XTINGUISHER.

(Application filed Oct. 24, 1900.)

(No Model.)

In: NORRIS "ITEM 00.. wow-Luna, Wunmu'mu. n. c.

7 UNITED STATES PATENT OFFICE.

WILLIAM ALLEN PENFIELD, OF MERIDEN, CONNECTICUT, ASSIGNOR TO THE BRADLEY & HUBBARD MFG. 00., on SAME PLACE.

COMBINED w cKrs oPANo FLAME-EX'l'lNGUISHER.

SPECIFICATION forming part of Letters Patent N 0. 678,126, dated July 9, 1901.

Application filed 0ctober 24, 1900. Serial No. 34,123. (No model.)

To aZZ whom it may concern:

Be it known that I, WILLIAM ALLEN PEN- FIELD,of Meriden, in the county of New Haven and State of Connecticut, have invented a new Improvement in a Combined Wick-Stop and Flame-Extinguisher; and I do hereby de clare the following, when taken in connection with the accompanying drawings and the letters of reference marked thereon, to be a full, clear, and exact description of the same, and

which said drawings constitute part of this specification, and represent, in-

Figure 1, a view in vertical broken section of a lamp provided with my improvement; Fig. 2, a detached view of one form which my improved thimble-liko flame-spreader may assume; Fig. 3, a view thereof in transverse section on the line a b of the preceding figure; Fig 4, a detached perspective view of the annulus or ring.

My invention relates to an improvement in lamp-burners, and more particularly to combined wick-stops and flame-extinguishers for.

thimble-like spreaders of lamps of the central-draft or Argand type, the object-being to produce at a low cost for manufacture a reliable and effective device of extreme sirnplicity of construction. I

With these ends in view my invention consists in a stationary thimble -like flaniespreader encircled by a loose vertically-movable ring, the vertical movement of which is limited by the engagement of its inner edge with detents or stops located upon the outer surface of the spreader.

My invention further consists in certain details of construction and combinations of parts, as will be hereinafter described, and pointed out in the claims.

In carrying out my invention I employ, as herein shown, a combined Wick stop and flame-extinguisher in the form of a fiat sheetmetal annulus or Washer-like ring 2, the inner diameter of which'is sufficiently greater than the external diameter of that portion of the thimble-like flame-spreader 3 which it encircles to permit itto have free vertical movement thereupon. The inner edge of the said ring is cut away to form several draft-spaces 3 which are separated from each other by short inwardly-extendingstop-fingers 4,which limit the upward and downward movement of the ring on the flame-spreader 3 by their engagement with an annular bead 5 and an annular shoulder 6, located upon the outer face of the said flame-spreader, from the body of which, as shown, they are struck up, though this is not essential, and they may be replaced'by any stops or detents of any other form or construction placed upon the exterior surface of the body of the spreader in right position for limiting the vertical movement of the loose ring. As shown, the flamespreaderis provided near its upper end with a deflecting-ring 7, while its top is formed with a central opening for the upward pas sage through it of a binding-rod 9, the upper end of which is threaded for the reception of a thumb-nut 10, which is screwed down to a bearing upon the top of the spreader, which is thus firmly secured in place and made stationary as to upward or downward movement. The lower end of the binding-rod is mounted in a spider 11, located within the inner wick-tube 12-0f the lamp, the outer wick-tube 13 of which forms a part of the lamp-burner, which may be of any approved construction. The space between the said inner and outer tubes receives the tubular wick 15, which is raised and lowered in any desired manner. When the lamp is wicked, the upper end of the wick stands directly under the ring-'2, which when the wick is raised will be lifted thereby until the fingers 4 of the ring engage with the bead 5,when the ring will be stopped and the further lifting of the wick prevented. It is designed that the parts shall be proportioned so that the lifting of the wick will be stopped beforethe wick can be lifted high enough to cause the lamp to smoke. When, on the other hand, the wick is turned down either by a slow or a so-called plunging movement, the ring 2 will drop by the action of, gravity and so cut off the access of air to the upper end of the wick that the flame will be extinguished.

It will be apparent that the particular con struetion of the thimble-like flame-spreader and the particular construction of the burner and lamp may be widely varied from the form herein shown, it being only necessary, so far as my present invention is concerned,

to employ a thimble-like flame-spreader of a construction adapted to be secured in a sta tionary position and for the reception of a loose vertically-movable annulus or ring,por-

tions of the inner edge of which are designed to be engaged with steps of some sort upon the exterior surface of the cone.

I would therefore have it understood that I do not limit the invention to the precise construction herein shown and described, but hold myself at liberty to make such changes and alterations as fairly fall within the spirit I fingers formed in its inner edge to engagewith stops located upon the exterior surface of the spreader.

3. A thimble-like flame-spreader encircled by a loose vertically-movable ring having its inner edge shaped to form draft-spaces and one or more stop-fingers, and limited in its vertical movement upon the spreader by the engagement of its said finger or fingers with stops located upon the exterior surface of the body of the spreader.

4. The combination with a thimble-like flame-spreader, provided upon its outer surface with an annular bead and with an an nular shoulder separated from each other, of a fiat annulus or ring encircling the said spreader at a point between the said bead and shoulder, and free to move up and down between them.

5. In a central-draft lamp, the combination with the inner and outer tubes thereof, of a thimble-like flame-spreader set within the upper end of the inner tube, a binding-rod rigidly connected with the lamp and projecting upward through the said spreader, means applied to the projecting upper end of the rod for holding the spreader firmly in place, and acombined Wick-stop and flame-extinguisher 1oosely movable,within predetermined limits, vertically upon the flame-spreader, and acting as a wick-stop and as a flame-extinguisher.

In testimony whereof I have signed this specification in the presence of two subscrib-- ing witnesses.

WILLIAM ALLEN PENFIELD. Witnesses:

IV. A. HALL, E. R. LEWIS.

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