US337737A - Assigsob of two-thieds - Google Patents

Description

(No Model.) 2 Sheets-Sheet 1. W. P. BUGKLEY.

ELECTRIC ARC LIGHT. No. 387,737. Patented Mar. 9, 1886.

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(No Model.) 2 SheetsSheet 2. W. F. BUOKLEY. ELECTRIC ARC LIGHT. No. 337,787. Patented Mar. 9, 1886. x

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KJNKT EM ST WVILLIAM F. BUCKLEY, OF CLEVELAND, OHIO, ASSIGNOR OF TiVO-THIRDS TO L. E. HOLDEN AND EUGENE H. (IOXVLES, BOTH OF SAME PLAC RC LlGl-lT.

SFEGEEICATZON forming part of Letters Patent No. 637,737, dated March 9, 1886.

Application filed December 20, 1884. Serial No. 150,866. (No model.)

To all whom, it may concern.-

Be it known that LXVILLIAM F. BUCKLEY,

a citizen of the United States, residing at Cleveland,in the county of Ouyahoga and State of Ohio, have invented certain new and useful ImprovementsinElectrioArc Lights; and Ido hereby declare the following to be a full, clear,

and exact description of the invention, such as will enable others skilled in the art to which it apperlains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

This invention relates to the class of electricarc lights specially designed for use in lighthouses and for the head-lights of steamboats and locomotives; audit consists in certain improvements whereby an improved feed for the carbons is secured and any jarring of the carbons due to their being brought suddenly together is prevented, all of which will be fully described, and then set forth in the claims.

This present invention is an improvement upon the invention described in a prior application filed by me July 5, 188%.

In the accompanying drawings the same reference-letters referto the same parts throughout the several views.

Figure 1 is a front elevation of an electricare light which embodies my invention, and Fig. 2 is atop view of the same, the top of the box-frame Q being removed. Figs. 3, 4, 5, and 6 are enlarged detail views of the devices constituting the preseutiuvention.

The positive-carbon holder a, Fig. 1, is sup-' ported by and insulated from its red A, which is made tubular. The negative-carbon holder 1) is carried by a similar tubular rod, B.

a and b are the toothed racks secured to their respective rods A and Screwed into the bottom of the iron lampbox Q there are two supporting-rods, a and G, which actuate the ratchet-s of the carbonrods, and which have their teeth set in opposite directions. The pawlsf and g, which engage with said ratchets, are carried by the lever H, which leveris controlled by theplungers i of the main solenoids I I. Beneath the rearward extremity of the pawl f there is a post, f, which strikes the pawl when the plunger is drawn clear down and throws the pawl clear of its ratchet. The shaft E is supported by the hangers e, dependent from the top of the box-frame, and near the middle of the shaft there is afriction-druin, 6, against which there always bears a brake-lever, K, the latter being pivoted at one end to the hanger 7c, and supported at its free end by the adjustable spring it. The brake-levcrhasa semi-circular bearing which is held against the drum on its under side by the spring, the amount of friction being regulated by means of the screw 76. Beneath the shaft E, and near one end of the same, there is aratchet-wheei, L, supported in bear iugs formed by the extension ot'one ofthe hangers e, and on one side of this ratchet-wheel and carried by its shaft there is a small pinion which engages with the gear-wheel M, carried by the shaft E. The pawl 2, which actnates the ratchet L, is carried by the armature-lever a of the shunt-magnets N N, and said lever has the insulated pin n, that strikes against and raises the spring a, when the armature is drawn up to the magnets. The spring a is attached to the bottom head of the shuntmagnet N N, and is insulated therefrom, and it serves the purpose of a circuit-breaker for the shunt-magnets. The magnet 0 (shown in detail in Fig. 8) has its armature 0 suspended from the top of the lamp-box vertically above the lever H, and when the armature 0 is drawn to its magnet after the lever H has been depressed it looks the lever in a depressed position and holds it until the circuit of the magnet 0 is broken, when the armature 0 is withdrawn by its spring a.

The operation 01' the above-described devices is as follows: The electric current enters the lamp through the wire X, traverses the solevnoids I I, the resulting magnetism of which draws down the plungers z,- thence the current passes up the flexible conductor 00 to the positive-carbon holder a, thence across the arc and through the lamp-box Q, to the negative side. I/Vhen the plungersiare drawn down by the solenoids, the pawl f, carried by the lever H, engages with the ratchet F, imparting motion thereto and to the gear-wheel G and pinion D, thus moving the carbon-holding rods Aand B, separating the carbons, and establishing the are. The pawl f then strikes the post f, which moves it away from the ratchet F, leaving the same free to revolve when the feeding mechanism is in operation. The magnet O is in the shunt-circuit along with the magnets N, and by reason of its resulting magnetism it draws its armature-lever 0 over the lever H, thus locking the lever H during the time the lamp is in action and preventing any jars from affecting the are. As the carbons are consumed the resistance of the arc becomes greater and an abnormal amount of current is shunted through the magnets N. The increased magnetism thus produced draws up the lever a, and the pawl Z engages with the ratchet-wheel L andimparts motion thereto, and consequently to the gear-wheel O and pinion D, thus moving the rods A and B and feeding the carbons together. The insulated pin a on the lever then strikes the spring n", raising it and breaking the circuit of magnets N. When this takes place,the levern is drawn back against its support 12 the pawl Z is thereby moved away from the ratchet-wheel L, permitting the shaft E to revolve when the carbon-rods are being separated. This operation is repeated until the arc is normal. In the meantime the carbon rods are prevented from jarring together by the friction of the brake lever K against the drum 6. This friction is continuous, and the amount-is regulated by the screw it". WVhen the lamp is cut out, the mag net 0 releases the lever or armature 0, said armature is drawn back by the spring 0, the lever H then rises by reason of the spring h, the pawl g, which is always engaged with the ratchet-wheel G, turns the ratchet-wheel part way, and the motion thus communicated to the toothed wheel Cand pinion D brings the carbons together.

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

1. The combinatiomwith the carbon-feeding mechanism of an electric-arc light actuated by means of a revolving feed-shaft, E, of the friction-drum e, secured upon shaft E, the brake-lever K, pivoted to the'hanger .k, the spring 7c, and adjusting-nut 70*, substantially as described and shown, and for the purpose set forth.

2. In an electric are light, the combination ofa friction-drum and brake lever operating in connection with the feeding mechanism for separating the carbons, a ratchet-wheel adapted to give a reverse motion to the said feeding mechanism, which ratchet is operated by apawl carried by the lever of a shunt-magnet, and a circuit-breaker for the shunt-circuit, which latter is operated by the armature-lever ofsaid magnet, substantially as and for the purpose herein set forth.

3. In an electric-arclight, the combination, with the feeding mechanism which separates the carbons, of a locking device controlled by a magnet in the shunt-circuit which locks the carbon-separating mechanism as soon as the carbons have been once separated and holds it locked as long as the light is in circuit, substantially as and for the purpose set forth.

4. In an electric are light, the combination, with the operating-lever of the feeding mechanism which separates the carbons, of a magnet placed in the shunt-circuit, and an armature adapted to lock the operating feed-lever when the latter has once been brought into action, substantially as and ,for the purpose set forth.

In testimony whereof I atfix my signature in presence of two witnesses.

\VILLIAM F. BUOKLEY.

Witnesses:

CHAS. S. GRowELL, HERBERT W. BI L.

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