US403492A - Electro-medical apparatus - Google Patents

Description

(No Model.) 2 Sheets-Sheet I.

- T. J. SMITH,

ELEGTRO MEDICAL APPARATUS. No. 403,492. Patented May 14, 1889.

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T. J. SMITH. ELBGTRO MEDIGAL APPARATUS. No. 403,492. Patented May 14, 1889.

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UNITED STATES PATENT OFFICE.

'IIIOMAS .I. SMITH, OF BROOKLYN, NE\V YORK, ASSIGNOR TO TIIE E. S. GREELEY & COMPANY, OF GONNEC'IICIIT.

ELECTRO-MEDICAL APPARATUS.

SPECIFICATION forming part of Letters Patent'No. 403,492, dated May 14, 1889.

Application filed February 19, 1889. Serial No. 300,429. (No model.)

To to whom, it may concern:

Be it known that I, THOMAS J. SMITH, of Brooklyn, county of Kings, State of New York, a citizen of the State of New York, have in vented certain new and useful Improvements in Electro-Medical Apparatus, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.

My invention relates to an apparatus for the generation and application of electro-magnetism; and my invention consists in the parts and devices and their combinations hereinafter described, and as more particularly and at length recited in the claims.

Figure l is a plan of an electro-medical apparatus containing my invention. Fig. 2 is a similar view of the same, showing the parts in diifercnt relative positions to those exhibited in Fig. 1. Fig. 3 is an inverted plan of my improved sliding base. Fig. i is a vertical central section of the apparatus on the line as 00, Fig. 2, the cell being shown in full lines; and Fig. 5 is a front end elevation of the apparatus when open.

A is the galvanic cell or battery.

B is the inclosing-case of the apparatus. \Vithin the case I construct the cell-chamber B by means of a partition, Z), extending laterally of the case near its forward end and reaching vertically from the case-bottom toward the top to the height of the cell, as shown, and I then cover the upper end of this chamber with a lid or roof, Z), which slides horizontally into the case-walls in ways Z2 pro vided therein. Apertures, as at U, are provided in the lid for the passage of the polewires a a of the battery. I thus inclose the 'battery in a separate and distinct chamber within the apparatus-case, so that dust and other extraneous matter are excluded from the battery, while access may be readily had to said chamber and its battery by means of the sliding lid 1). Furthermore, the case is, in the manner described, divided into three compartments-11amely, the chamber B, closed by the lid 1), the compartment 13 in the forward end of the case in front of the chamber B, and in which may be kept the detachable parts of the apparatus, such as the current-applying wires or conductors and their handles, and the compartment B in the upper part of the case, above the cell-chamber, and communicat-ing at its forward end with the chamber I3 \Vithin the case in the space or compartment B above the cell-chamber I arrange the base or table 0, of insulating material, and I adapt the same to be capable of sliding or moving horizontally by fitting its side edges in ways I), provided in or upon the side walls, 5 of the case. Upon the forward end of the sliding base 0, and preferably on the under side thereof, I fix the magnet or coil C, which may be done by means of a frame or standards, c, as shown, the coil having the usual sliding current-graduator cylinder, C upon it, as shown. IVhen the base 0 is slid into the case, it is stopped against the rear wall, 1), thereof, and the coil, with its graduaton cylinder 0 closed upon it, lies within the front part of the case, illustrated in broken lines in Fig. 2. IVhen the base 0 is slid outward until the coil C is brought beyond the line of the front edges of the side walls of the case, the movement of the base is preferably stopped by a pin, 0, fixed in the said base, impinging upon a stop, 0 on the case-wall, as shown in Figs. 1 and The stop a is preferably a disengageable One-as, for example, a leafspring, as shown-so that it may be manipulated to permit the pin 0 to escape or pass it, in order that the sliding base 0 may be wholly withdrawn from its ways, whereby access may be had to the lid of the cell-chamber.

Upon the case-walls are contact-points d and d, to which the respective pole-wires a and a lead from the battery-cell, as shown in Fig. 2, and upon the sliding base C are the contactpoints 0 and 0 preferably in the form of leafsprings, as shown, which are brought into contact with the points (Z and (1', respectively,

when the sliding base is slid outward to itslimit of such movement, as described. This is plainly illustrated in Fig. 2. The points 01 and (Z are preferably on the side walls of the case below the line of the sliding base, and the points 0 and c" are therefore preferably on the under side of the said base, as shown.

At e and e are shown the usual connecting or circuit wires leading from the respective battery-poles through the points 0 and c to the magnet-coil, and these wires are preferably fixed on the under side of the base 0.

D is the usual vibratory circuit-breaker carried by the base (3, and preferably on the upper side thereof. At 6 are shown the customary socket-terminals (numbered 1 2 3 in Fig. 1) of the current-wires from the magnet, and to which the circuit-wires for applying the current to the person may be attached.

At 13 1s shown a gate, preferably arranged to swing vertically upon hinges about midway of the heightof the front of the case, and adapted to close the upper part of the front end or wall of the case.

B is the top or lid of the case, hinged upon the top edge of the rear wall and adapted to close down over the chamber or compartment B occupied by the sliding base and its attached parts, and desirably to fasten or clamp to the gate B when the latter is closed.

By means of the case constructed as described, with its lid 13 and gate B and the sl1d1ng base 0, carrying the described attached parts, when it is desired to put the battery in action for use, the sliding outward of the base 0 1n its described ways will accomplish this result, and this result cannot be accomplished wlthout opening the case and swinging downward the gate B It will be noted that the graduator-cylinder C on the magnet or coil can only be operated when the base has been slid outward, as described. When the case is closed after the use of the apparatus, the shutting of the gate B operates to slide the base C inwardly on its ways in the case, and thus to break contact at the points a 0 and a 0 and hence stop the working of the battery or cell A. The closing up of the case of the apparatus therefore acts automatically to stop the battery action, and the liability to leave the battery in action after use and subsequent to shutting its inclosing-case, as is liable to occur 1n cases as now constructed, is wholly avoided, and economy in the battery is thus promoted.

E 1s a circuit-breaker or switch, which I mount upon the upper face of the sliding base 0 in the pole-wire leading from one of the contact-points of the base to the coil, and preferably as shown in the wire 6. By means of this circuit-breaker the action of the battery may be at any time stopped while the base is in its outwardly-extended position without the necessity of sliding said base backward in its ways.

The base may be given a desir. ble frictional seat in its ways by means of a spring, 0 on its edge, as shown in Fig. 3.

What I claim as my invention, and desire to secure by Letters Patent, is-- 1. In an electro-medical apparatus, the combination of the inclosing-case containing the battery or cell and provided with contactpoints (1 and d, an insulating-base, O, carrying a magneto-coil, C, and contact-points c and 0 in electrical connection therewith and adapted to slide in ways in said case and to project therefrom, with electrical connection established with the battery through said contact-points, and a gate, 13*, adapted to close the side of the case through which said base projects, and in closing to swing to and impinge upon said base, substantially as and for the purpose set forth.

2. In an electro-medical apparatus, the com;

bination of the case B, containing the battery or cell A and having the contact-points d and d on the case-walls, the ways 12 in said walls above said contact-points, the base 0, adapted to slide in said ways and to project beyond the case, the stop device 0 0 to limit the outward movement of said sliding base, the coil 0 and its graduat-or 0 carried on the projected end of said base, the contact-points c and c on said base and in electrical connection with said coil and adapted to engage the contact-points on the case when said base is slid outward, together with the gate 13, adapted to close the case where the said base projects and to swing to and impinge upon the projected end of said base in closing, substantially as and for the purpose described.

3. In an electro-medical apparatus, the combination, with the walls of the inelosing-case, of the partition 1), extending laterally of the interior of the ease and terminating Verti-- cally below the top of the case, and the sliding cover 1), working in ways in the case-wall and closing over the upper edge of said partition, together with the lid B whereby a chamber, B, is constituted in the case adapted to inclose and shelter the battery-cell, and a chamber at one side and above said cell-chamher is constituted for the remaining operative and detachable parts of the apparatus, substantially as set forth.

4. In an electro-medioal apparatus, the sliding base 0, carrying the magneto-coil O and contact-points c and 0 adapted to engage and disengage contact-points of the battery inclosed in the case in which said base slides, in combination with a circuit breaker, E, placed in a circuit-wire between one of the contact-points on the base and the magnetocoil, substantially as and for the purpose set forth.

THOMAS J. SMITH.

Witnesses:

ARDEN S. FITCH, A. '1. Forms.

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