US697717A - Street-lamp. - Google Patents

Description

No. 697,7i7. Patented Apr. I5, |902.

J. C. HEINRITZ & J. W. MGCUEN.

STREET LAMP.

(Application med sept' 21, 1901.)

2 Sheets-Sheet I.

(No Model.)

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No. 697,7l7. Patentd Apr. I5, |902.

J. C. HEINBITZ J. W. MCCUEN.

STREET LAMP.

(Application Bled Sept. 21, 1961.) (No Model.) 2 Sheets--Sheet 2.

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JOHN O. HEINRITZ AND JAMES VATSON MCOUEN, lOF BALTIMORE, MARY- LAND, ASSIGNORS OF ONE-THIRD TO RICHARD H. JOHNS, OF BALTIMORE, MARYLAND.

STREET- LAM P'.

i SPECIFICATION forming part of Letters Patent No. 697,717, dated April 15, 1902 Application tiled September 21,1901. Serial No. 76,016. (No model.)

To @ZZ wwm may concern: dome 14 is seated and hinged bya base-ring 15 5o Be it known that We, JOHN C. HEINRITZ upon thering 10. A convex reflector 16 is and JAMES VATSON MCOUEN, citizens of the seated and hangs by a rim 1'7 upon the rim United States, residing at Baltimore,`in the of the globe, and a drafttube 18 passes 5 State of' Maryland, have invented certain new through a central opening in the reflector and and useful Improvements in Street-Lamps, of is suspended therefrom by a ring 19, clamped 55 which the following is a specification. upon the outer Walls of the tube, and forms The accompanying drawings illustrate our thereby a seat for the tube and closes the improvementinhydrocarbon lampsf'orstreetjoint at the reflector-opening. The draft- 1o lighting, and the particular matters of novtube extends above the reflector, and the adelty therein will be set out in the claims apjustable ring-clampsuspendingthe tube from 6o pended hereto. the upper side of the refiector renders it con- In the drawings, Figure 1 represents a venientto raise and lower thedraft-tube from street-lamp embodying our improvement. the dome-space. Moreover, it Will be noted I5 Fig. 2 is a vertical section of the burner part that the draft-tube telescopes with the burnerof the lamp. Fig. 3 is a like View of the chimney 6, and the tube being of greater di- 65' globe part of the lamp. ameter than the chimney leaves a space be- The lamp shown is of two slidable frame tween the outer walls of the chimney and the parts to allow the globe-carrying frame part inner walls of the tube and forms thereby a 2o to be lifted free of the burner; but our irndraft-space 25 to reinforce the usual draft at provements are not confined to the particuthe base of the burner-chimney, giving there- 7e lar lamp construction-shown, and a brief deby an increased draft through the mantle and scription is only deemed necessary to show a more complete combustion Within the manthe application of our improvements to a tle and a better light.l

25 street-lamp in which the fixed part of the For adjusting the draft-tube it is only neclamp-frame is formed by the standards 1 1 essary to turn back the Ventilating-dome, lift 75 and the base-socket 2, the burner 3 being the tube up, and set the clamp-band nearer to fixed between the standards and is provided or farther from the upper end of the tube, so with the usual adjustable needle-valve for that it will form a greater or less prolonga- 3o regulating the feed of the vapor and with the tion of the burner-chimney, and in any adoil-supply branch pipe 4. A mantle 5 is susjustment of the draft-tube it maintains its 8o pended over the burner, and a chimney 6, telescoping connection with the burner-chimseated upon the burner, incloses the mantle. ney and extends above the reflector. This A ring-tank S, fixed on the upper ends of the way'of suspending the draft-tube from the 3 5 standards, supplies'oil to the burner through refiector gives a true central seating to said one of the standards, the supply being contube in its telescoping relation to the burner- 8:' trolled by the cock 7. Rods 9 9 are fixed to chimney, and the projection of the tube and rise from bosses 22 22 on the standards through the ventilator prevents the diusion and form guides for the globe-containing of the products of combustion upon the globe- 4o frame part. Walls and the walls of the reector.

10 is a ring which constitutes-the movable A table 24, supported on the standards, 9o frame part, and from it depend tubes 2O 20, forms a seat for and closes the bottom of the which are slidable over the rods 9 in raising globe. and lowering the upper lamp part, said tubes The upper frame structure is lifted with 45 depending from bosses 21 21 on the outer the globe and the draft-tube to uncover the walls of the ring 10. The ring has an inner mantle and the chimney, and for this pur- 95 ledge 11, on which the globe 12 is suspended pose the length of the rods 9 will be suiiicient by a rim 13, and an outer ledge 23, by which to give a lift of about six inches. When the the ring is seated upon tho oil-tank. The globe is so lifted, the tubes 20 Will pass free of and be supported on spring-detents 26, fastened on the rods, to hold up the movable. globe-carrying frame part.

We claim- 1. In a lamp and in combination, a burner, a tank for supplying oil thereto, a globe and a reflector having a central opening, a draft- ,Y tube extending through the reflector, and af ring-clamp movable on the outer walls of the tube, freely seated upon the inner wall of the reflectorclosing the joint around its central opening and freely suspending said tube from the reflector. p

2. In a lamp and in combination, a burner, a tank, for supplying oil thereto, a chimneyL

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