|Publication number||US414637 A|
|Publication date||Nov 5, 1889|
|Filing date||Feb 7, 1889|
|Publication number||US 414637 A, US 414637A, US-A-414637, US414637 A, US414637A|
|Inventors||George A. Goodson|
|Original Assignee||The minneapolis Electro Matrix Company|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (16), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
(N0 Model) A' 2 sheets-sheet 1.
G. A. GOODSN. DEVICE FOR GONVERTING MOTION.
' (No Model.) 2 Sheets-Sheet 2.
G. A GOODSON.. DBVIGB POR GONVBRTING MOTION. No. 414,637. Patented Nov. .5, 188,9.Y
@mmm- @www M-, x Wm m A WQM UNITED STATES vnTnNT GEORGE A. GOODSON, OE MINNEAPOLIS, MINNESOTA, ASSIGNOR TO THE MINNEAPOLIS ELECTRO MATRIX COMPANY, OF SAME PLACE.
DEl/ICE FOR CONVERTING MOTION.
srnciricarroiv refining pere ef Letters Patent No. 414,637, dated November 5,1889.
Original application filed March 20, 1888, Serial No. 267,795. Divided and this application filed February 7, 1889. Renewed October 8, 1889. Serial No. 326,327. (No model.)
To @ZZ whom' t may concern:
Be it known that I, GEORGE A. GooDsoN, a citizen of the Dominion of Canada, residing at Minneapolis, in the county of Hennepin a-nd State of Minnesota, have invented certain new and useful Improvements in Devices forOonverting Motion; and I do 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 appertains to make and use the same.
My invention relates to mechanism for obtaining a reciprocating motion at intervals for depressing dies, punches, and other tools, and for any purposes for which it may be found available; and it consists in certain constructions whereby this result is accomplished, and also whereby the movement to effect the depression of the die, punch, or other tool or machine is controlled by electromagnetic devices, so that the closing of a circuit through the controlling1 devices eiects one or more reciprocatory movements for the purposes desired.
It also consists in combining with the electro-magnetic controlling device an appliance whereby a circuit is broken and the reciprocating motion stopped at the point desired.
In the present application, which is a division of an application for a matrix-making machine iiled by me March 20, 1888, Serial No. 267,795, I have shown this my present invention as employed for the purpose of effecting the impression of the dies of said inachine.
In the drawings, Figure 1 is a longitudinal section through the electro-magnetic controlling devices. Fig. 2 is an end View of the electro-magnetic controlling devices. Figs. 3 anda are partial sections, similar to Fig. l, of other species of constructions. Fig. 5 is a diagrammatic view showing the circuits.
A is a portion of the bed or main supporting-frame of a matrix-machine. To the top of this main supporting-frame I secure in any suitable way a support B fora toggle-lever C. The lower end of one arm of this lever is secured pivotally to the rectilinearly-reciprocating plunger D, and the upper end. of the lower arm is pivotally secured to the standard B. This upper point of pivoting constit'utes the base of resistance for thetoggle-lever, the other end being free to move, carrying with it the plunger D. This plunger moves in suitable guides, and a die-carriage E is placed so that any one of lthe diescan be brought beneath the plunger D. The standard B must be made so as to permit of a free movement of the toggle-lever. A shaft B is mounted in a suitable bearing or bearings, and is provided with a fly-wheel h and also a pulley b, by which a constant rotary motion may be imparted to the shaft. This shaft B is also provided with a crank or eccentric (a crank-disk is shown) b2. Between the crankshaft and the toggle-lever, with one end placed in proximity to the toggle-lever when in its vertical position, is placed a solenoid C. The core of the solenoid consists of two parts c c', of which the part c is the core proper, and c an armature therefor. The part c is comparatively short, and at its outer end is directly or indirectly connected with the toggle-lever'O. This connection is such that a movement of the armature c will draw the toggle-lever C toward the end of the solenoid and also permit of a downward movement of the saine. The core is comparatively long, and its outer eXtremity is connected by the connecting-rod E to the crank-pin of the disk b2. Then the crank and the toggle-lever are in their extreme positions and at their greatest distance apart, the inner ends of core c and armature c are separated bya distance about equal to the throw of the crank, and when the crank is at its extreme of movement nearest the toggle-lever the two parts c c will be in contact or in such close proximity with each other that they will be within the field of each others attraction. It is evident that if a current of electricity be passed through the solenoid the core c and armature c will adhere to each other and together be reciprocated by the crank on the shaft B. The toggle-lever will thus be drawn toward the end of the solenoid, thus depressing the plunger D and causing it to make a single stroke. n
A spring may be employed to retract the toggle-lever C and hold it normally away from the solenoid, if desired; but this is not essential, since the reciprocation of the core c Will restore the armature c and the togglelever to their normal positions. In order to insure the release of the armature c and the toggle-lever at the end of a single stroke, I provide a suitable circuit-controlling device, by means of which the movement of the toggle-lever is made to break its actuatingcircuit as soon as it has reached the extremity of its operative movement. If, however, a number of successive strokes are dei sired, the circuit may be broken at the same point at which it was closed, or at any convenient point in the main circuit through solenoid C.
In Fig. 5, in order to show the circuits used in connection with this device, I have shown this device in operative relation to the other parts of the matrix-making machine which forms the subject-matter of the application ot' Which this is a division. In this figure, M M M2 are the feed-magnets, which are made through their armature-levers N N N2 and their attached pawls to actuate the ratchet 0, with vvhich is connected a pinion gearing with the rack O', extending` fronra matrixmaterial carriage. (N ot shown.) These magnets are operated independently to feed the matrix material forward through the intervention of key-lever 3, which has at the end seen a contact-point and at the other a diecaprriage (not shown) above the matrix-material carriage. The index-plate or characterboard O2 is provided with openings or keyseats 0, corresponding with the characters on thev dies in the die-carriage, and such keyseats are provided with contact-points, so that on inserting the point of the key-lever in any one of them one of the branches of a normally-open local circuit is closed. In the branches of this local circuit are located magnets S S S2, provided with armature-levers R R R2, having contact-points, and the armature-lever R forms a part of an independent circuit normally closed through magnets M and F.
For enabling' the toggle to break its actuating-circuit an armature-lever f is pivoted in the supporting-frame, having an arm f extending into the path of the toggle-lever and adapted to be struck thereby at its extreme of movement toward the solenoid. A magnet F on the local circuit is supported in position t'o attract the armature of lever f and impart a motion to the arm fin a direction opposite to that imparted by the toggle-lever. This lever f is provided with a contact-point f2, which is normally in contact with a suitable contact-point f3 on the supporting-frame, Which is connected with the main circuit. lVhen the contact-points f2 f3 are in contact, the niain circuit extends through them to the solenoid C', and a suitable circuit-controlling device is located in said main circuit. A
different circuit passes through the magnet F, and this circuit is also provided with a circuit-controlling device.
The operation of the device will be readily seen. The main circuit through the solenoid is closed at its circuit-controlling device, and the parts c c are thereby magnetized, so that when brought together by the reciprocation of the core c they will adhere and the toggle- 'lever will be drawn toward the solenoid C', thereby depressing the plunger A. .As soon as the toggle reaches its extreme of movement it comes in contact with the arm f of the armature-lever f, and by actuating it separates the contacts f2 f3, and thus breaks its own circuit. Vhen, therefore, the armature c of the core is returned With the togglelever to its normal position, the circuit being broken, there will be no attraction between the parts c c', and the latter Will remain in its operative position. A spring may engage the same to secure its retention,it` desired, as before stated. After the toggle-lever has been returned to its normal position and the main circuit broken t-hrough its circuit-controller the circuit through magnet F may be made, When the core of said magnet Will attract the armature on lever f and restore the contacts f2 f3 to their normal or closed position.
I may prefer to construct the circuit-controllers in such a manner that the making of the one circuit will break the other, and vice versa; but the device could be operated by separate circuit-controllers, if desired.
In this case when the die-carriage E has been moved to bring one of the dies beneath the plunger D the circuit through the solenoid C will be closed and the plunger depressed, as before described, striking the die and forcing it into the matrix material, thus forming an impression.
In case it should be desired to adjust the,
toggle-lever so as to vary the extreme position of the plunger When depressed, I may mount the upper supports of said toggle-lever so that they may be adjusted in the supporting-frame.
It is obvious that modiications of the dcvices already described for communicating motion from the armature to the plunger may be made Without departing from the spirit of my invention.
In Fig. 3 I have shown an ordinary pivoted lever C2, having its free end engaging an extended head d of plunger D, and in Fig. 4 I have shown the armature c provided with a rack or other means for operating a cam C:s for actuating the plunger, and in other particulars I do not Wish to limit myself to my 'exact constructions herein shown and described.
In Fig. 5 the various electric circuits are illustrated. It may be noted, in explanation of the figure, that the solid arrow-head lines, the broken arrow-head lines, and the dotted lines respectively represent different circuits, the currents in each case passing in the di- IIO rection of the arrow. The full arrow-head lines :represent a local circuit and its branches through the index-plate and the electro-magnets S, S', and S. Ot these there is a common outgoing conductor B from a source of electricity (not shown) through the magnet S to the bed-plate l, and through the 'same to the platinum point on the key-lever 3, and there are as many return-wires as there are different classes of type-dies, the platinum points in the respective key-seats on the index-plate connecting with one or the other ot' these return-Wires, according to the number of units of space required, as is fully set out in my former application. In the drawings three return-Wires are shown C2, C3, and C4, ot' which C2 passes directly' from the indexplate back to the source, C3 leads from the index-plate to the magnet S and thence to the source, and Ci leads from the characterboard to the magnet S and thence to the source. The dotted lines represent circuits passing through the armature-levers or circuit-closers 16 and 17 t'or operating the feedmagnets M M. Of these, l) represents Ithe the common outgoing' wire from source of electricity, (not shown D', the branch passing through fr R to M; D, the branch Y through 7"R to D E, the common returnwire, and E E its branches from M and li respectively. The broken arrowlines represent an independent circ uitalways passing through the three-point switch l5, and which in the normal position of the switch is closed through the magnet F and the feed-magnet M, but` which may be closed through the solenoid C and the circuit-breaking mechanism f f2f3. Of the Wires making this circuit, F is the common outgoing Wire from source of electricity (not shown) to the switch-lever R. is the branch from the contact vr through the magnet F and the feed-magnet M; F3, the branch from the contact r through the solenoid C and the circuit-breaking mechanism f f2 G is the branch of the return-Wire from the magnet M, and G is the return branch 'from the contact f2 on the circuitbreaker.
- The operation is as follows: The normal condition of the branch F2 G of the local circuit F G is closedat r through the magnets F and M, While the normal condition of the branch Fll G through solenoid C and the circuit-tweaking mechanism f,f2, and f3 is open at r. The normal condition of the local circuit and its branches B C2, &c.,through the character-board is open at the contactpoints on the character-board. The armature N is therefore drawn down to its magnet M, and the armature f is drawn to the magnet F, and the contacts f'z and f3 are together. Now, when Jthe local circuit through the magnet S is closed 'by the selection of a character on the character-board, by the `insertion of the point ot' the key in the key-seat correspondin g to that character the bran ch F2 G through F and M is broken. at the conta-ct o', setting free the armatures f and N and closing the branch F3 G through the solenoid C and the circuit-breaking mechanism f', f2, and f3. The solenoid C is therefore magnetized for an instant and the toggle is drawn to its vertical position, making the stroke on the typedie. On reaching its vertical position the toggle strikes the projecting arm ot' the armature f, separating the contacts f2fE and breaking the circuit F: G at that point. This circuit then remains open until the local circuit through S is broken by retracting the keyA from the character-board. rl`he instant that is done R is retracted by the spring Q and the circuit F2 G is again closed at fr', and the magnets F and M are magnctized, drawing up the armatures f and N. At the time that the armature f is drawn to its magnet F the contacts f2 and f3 are brought together, and the circuit F3 G through these contacts and the solenoid C is iu its normal position open at fr". The movement of the armature N moves the ratchet a certain distance, which, through its connections, advances the matrixmaterial carriage a corresponding amount.
'hen the size ot' the character requiresV slightly greater space than that provided by the movement given the matrix-material carriage by the magnet M, inserting the key in the proper key-seaton the index-plate closes the circuit C3 through the magnet S'. This closes the circuit D through M and breaks the circuit in magnet S and closes the circuit through the solenoid in the manner just described. When a still greater movement of the matrix material is required, the
selection of the character on the index-plate in the manner heretofore stated closes the circuit through magnet M9' and actuates the solenoid in an analogous manner, and the dcvices for feeding the matrix material. These devices are notherein claimed.
`that I claim, and desire to secure by Letters Patent, is-
l. The combination, with a solenoid, of a constantly-reciprocating magnetic core, au independent movable ,armature Within the magnetic ield of said core, and a circuit-controller in the electric circ-uit of said solenoid, substantially as described.
2. The combination, with a solenoid and a magnetic core movable therein, of a source ot motion to which said core is coupled, an independent movable armature Within the magnetic iield ot said core, and a circuit-controller in the electric circuit of said solenoid, as set forth.
The combination, with a constantly-runing crank-shaft, of a solenoid having amova'- `ble magnetic core, a connecting-rod from the las source of motion, of an independent movable armaturev Withinv the magnetic field of said core, means for making and breaking an electric circuit through said solenoid, a depressing device, and a connection from said independent movable armature to said depressing device, substantially as described.
5. The combination, with a solenoid having a constantly-reciprocating core coupledto a source of motion, of an independent movable armature Within the magnetic field of said core, means for making and breaking an electric circuit through said solenoid, a plunger mounted in a suitable guide, a depressing device for actuating said plunger, and a connection from said depressing device to said independent movable armature, substantially as described.
6. The combination, with a togglelever having one end secured toa base of resistance and the other end free to move in a definite path, of a solenoid having a constantly-reciprocating core coupled to a source of motion, an independent movable armature secured to said toggle, and means for making and breaking an electric circuit through said magnet,
' vsubstantially as described.
7. The combination, with asolenoid having a constantly-reciprocating core coupled to a source of motion, of an independent movable armature within the magnetic field, of said core, means for closing 'an electric circuit throughsaid solenoid, and an automatic circuit-breaker in said solenoid-circuit, substantially as described.
S. The combination, with a solenoid having a constantly-reciproeating core coupled to asource of motion, of an independent movable varmature Within the magnetic field of said core, means for closing an electric circuit through said solenoid, and acircuit-breaker in said solenoid-circuit operated by motion communicated from said independent movable armature, substantially as described.
9. The combination, with a plunger mounted in a suitable guide, of a toggle-lever having one end secured toa base ofv resistance and the other to said plunger, an armature secured to said toggle-lever, a solenoid, a movable core within said solenoid, a constantlyrunning crank-shaft, a connecting-rod from the crank on said shaft to said movable core, means for closing an electric circuit through said solenoid, and a circuit-breaker in said solenoid-circuit operated by said toggle-lever, substantially as described.
In testimony whereof I affix my signature in presence of two Witnesses.
GEORGE A. GOODSON. Witnesses:
RoBrF. GAYLORD, PARKER W. PAGE.
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