US1218523A - Machine for cleaning metal plates. - Google Patents

Description

F. W. CARRINGTON.

MACHINE FOR CLEANING METAL PLATES. APPLICATION FILED JUNE 3.1915.

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F. W. CARRINGTON.

MACHINE FOR CLEANING METAL PLATE-S.

APPLICATION nuzn JUNE 3.1916.

1,218,523. v Patented Mar. 6, 1917.

6 SHEETS-SHEET 2.

F. W. CARRINGTON.

' MACHINE FOR CLEANING METALPLA E S.

APPLICATION FILED JUNE 3, 1916-4 1 ,21 8,523. Patented Maf. 6, 1917.

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F. w. CARRINGTON.

MACHINE FOR CLEANING METAL PLATES.

APPLICATION FILED IUNE3, i916.

Patented Mar. 6, 1917.

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1 ,21 8,523.. Patentd Mar. 6, 1917.-

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APPLICATION FILED 1uuE 3.'19|6. Patented Mar. 6, 1917.

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FRED W. CARRINGTON, OF BURLINGTON, VEBFIONT, ASSIGN OR OF ONE-HALF T GUY 0. TAYLOR, or TOPEKA, Kansas.

MACHINE FOR CLEANING METAL PLATES.

Specification of Letters Patent.

Patented Mar. 6,1917.

To all whom it may concern.

lie it known that I, Faro W. CnnRINo'roN, a citizen of the United States, residing at Burlington, in the county of Chittenden and State of Vermont, have invented new and useful Improvements in Machines for Cleaning Metal Plates, of which the following is a specification.

This invention relates to a machine for cleaning metal plates such as are used in addressing machines; and its principal objects are to provide a machine which will clean such plates in a rapid and thorough manner and wherein, as an incident of the cleaning operation, provision is made for stacking the plates in their normal arrangement in the drawer or receptacle in which they are stored when their use in the addressing machine is not required. Further objects of the in vontion are to provide a machine which shall be wholly automatic in its operations, which shall be of simple, durable and i ncxpensive construction, and which shall require but a low degree of power and shall ta lie up a minimum amount of space.

The invention consists in certain novel features of structure, combination and relation which, together with the above objects and advantages will appear in detail as the description proceeds.

An embodiment of the invention is illustrated in the accompanying drawings, wherein:

Figure 1 is a front elevation of a machine in which the features of the invention are incorporated, the word front being used with reference to that side of the machine which the attendant faces when the machine is in operation; v

Fig. :2 is an elevation of that end of the machine at which the cleaned plates are delivered to the drawer or receptacle in which they are normally stored.

Fig. 3 is a plan view of the machine, partly in horizontal section. I

F i s 4, 5, 6 and 7 are enlarged detail sectional views, respectively, on the lines H, 55, 6-6 and 7-7 of Fig. 3.

Fig. 8 is a detail perspective view of one of the reciprocatory feed elements.

Fig. 9 is a detail perspective View showing the corner structure and relation of two angularly disposed guide-ways along which the plates are fed.

Fig. 10 is a detail perspective view showing a plate to be cleaned and the holder therefor.

Fig. 11 is a detail perspective view show ing the manner of filling the magazine with the plates to be cleaned.

Figs. 12 and 13 are diagrammatic plan views showing the relations of the moving parts at different stages of the operation of the machine.

The operating parts are supported by an upright frame 1 which carries, near the floor, a shelf 2 upon which is mounted the motor 3 from which the machine derives its operation and certain gear elements to be hereafter pointed out.

The plates to be cleaned are normally stored, in alphabetical order, in a drawer which forms partof the equipment of any ordinary cabinet or file case; and, prior to the operation of the machine, are deposited in a. vertical stack in an upright magazine 4:, the foremostplate of the group in the drawer being uppermost in said stack and the rearmost plate of said group being lowermost in said stack. The magazine 4. has at its front side a hinged door 5, pormally held closed by suitable catches 6; and its rear wall is hinged at its lower end, as at 7, to a support or fixed bar 8.

Then the magazine is tobe filled it is tilted about its hinges 7 into a rearwardly and upwardly inclined position in which it is supported by a pivoted latch arm 12; and thereupon its door 5 is opened. The drawer containing the plates is then placed over the magazine (as shown at D in Fig. 11, the" drawer being illustrated in dotted lines), so that the stack of plates is deposited bodily into the magazine in the relation described;

after which the door 5 is closed and the magazine is restored to its normal vertical position. The magazine is of the same width as the drawer, and its side walls are provided with forwardly extending fingers 13 and its bottom 14C with a forward extension 15. In filling the magazine the drawer is arranged between the fingers 13, its sides resting upon the sides of the magazine and its front wall engaging over and resting upon the upper end of the magazine. The extension 15 which is bifurcated to fit over the back rest with which filing drawers are usually provided, projects under the stack of plates and guides the lowermost plate evenly upon the bottom 14.

I its notch 16 from the pin The latch arm 12 has two notches, 16 and 17, in its lower edge in either of which a pin 18 projecting laterally from the magazine engages, said pin normally engaging in the front notch 16 to prevent accidental rearward displacement of the magazine and engaging in the rear notch 17 when the magazine is positioned for the deposit of the plates therein, as described. To move the magazine rearwardly from its normal vertical position it is, of course, first necessary to lift the latch arm 12 in order to disengage The lowermost plate rests on the magazine bottom 14: between which and the lower edge of the door 5 there is a slot or clearance 19 (Fig. 4) to permit the movement of the lowermost plate forwardly from the magazine.

The term plate used in the preceding and subsequent description comprehends, as applied to the particular embodiment herein disclosed, not only the plate proper, or type bearing part, as A (Fig. 10), but also the holder B therefor which carries an identification card C. In short, and in general, the term plate is applied to each of the separate units which make up the stack in the magazine 1 and are separately acted on by he various feeding or conveying devices of the machine.

The type bearing parts A are cleaned by a plurality of buffers 20 arranged in a common transverse plane (Fig. 3) and the plates are first fed longitudinally from the magazine and thereafter transversely under said buffers.

in their first or longitudinal movement the plates are supported by a guide which consists of parallel bars 21 and 22 having confronting channels 23 which extend forwardly from the magazine. The bars 21 and 22 extend under and rearwardly beyond the magazine and in the rear of the magazine carry the bar 8 to which the magazine is hinged. When the magazine is in its nor mal vertical position, its side walls rest upon the bars 21 and 22, and its bottom 1% is flush with the lower walls of the channels 23 (Fig. l) and is substantially narrower than the space between the bars 21 and 22 whereby slots or clearances 24: (Figs. 3 and 5) are provided at the sides of said bottom.

The movement of the plates through the guide 21-22 is produced by a longitudinally reciprocatory head 25 (Fig. 8) slidably mounted on supporting bars 26 and provided on its upper face with pair of plate engaging dogs 27 which work in the clearances 2e and are pivoted for movement in vertical planes whereby they may yiel to pass under the lowermost plate in the magazine during the rearward movement of the head 25. The head 25 moves forwardly from a position in the rear of the magazine;

and during its forward movement the dogs 27 engage the rear edge of the lowermost plate and thereby push. said plate from under the stack and carry it forwardly with the head 25.

The guide bars 21 and 22 extend at right angles to a pair of generally similar trans verse guide bars 28 and 29, the shorter inner guide bars 21 and 28 forming an angle with one another and the longer outer guide bars 22 and 29 forming another angle. The plates are disposed transversely between the bars 21 and 22 and are each moved to the front end of the passage which said bars provide and into alinement with the passage provided by the bars 23 and 29 between which the plates are disposed longitudinally, e'. 6., in the direction of their length.

In order to prevent a plate which has been moved to the front end of the guide 2122 from having any accidental rearward displacement, however slight, for example in connection with the rearward movement of the head 25, one of the guide bars, preferably the inner bar 21, has the upper wall of its channel 23 recessed to make room for a cam-faced stop 30 which projects across said channel and is carried by a leaf spring 31 conveniently secured on the guide bar 28. The bars 28 and 29 are formed with channels 32 similar to the channels 23 and the front face of the stop 30 is flush with the rear wall or base of the channel 32 of the bar 28. The inner edge of each plate which is moved forwardly between the bars 21 and 22 passes under the stop 30 which ultimately is sprung down behind the rear edge of such plate to prevent any rearward displacement thereof.

To prevent any binding in connection with the initial movement of the plates between the bars 28 and 29, the upper wall of the channel 32 of the bar 28 is bent upwardly at the junction of the bars 21 and 28 (Fig. 9) as at 33.

The movement of the plates through the guide 2829 is produced by a transversely reciprocatory head (Fig. slidably mounted on supporting bars 35 and provided on its upper face with a spring finger 36 having a terminal dog 37. The finger 36 projects outward, i. 6., toward the outer guide bar 22 whose channel 23 is recessed in its lower wall, as at 38, to provide room for the dog 37 upon the completion of the outward movement of the head l/V hen the said head moves outward the dog 37 passes under the plate at the front end of the guide 21-92 and ultimately, by the spring action of the finger 36, springs up behind and engages the outer edge of this plate which, on the inwan movement of the head 3% is carried into the guide 28 29.

To prevent any backward displacement of the plates in the guide 2829, a spring stop device is provided which preferably consists of a leaf spring 39 secured to the upper face of the bar 29 and projecting obliquely and inwardly across the channel 32 of said bar and a stop finger 40 provided at the inner end of this leaf spring. The movement of each plate from the guide 2l22 into the guide 28-29 is continued until such plate passes beyond the finger 40 which is thereupon moved downward by the spring 39 (under which the plate passes) to engage behind the outer edge of said plate 2'. 0., the same edge which is engaged by the dog 37 The space between the upper walls of the channels 32 of the bars 28 and 29 through which the type bearing parts A are exposed to the action of the buffers 20 is preferably of approximately the same width as said parts which, it is to be noted, are disposed at one side of their holders; and the upper wall of the channel 32 of the bar 28 is extended forwardly, whereby it will overlie the cards C and prevent them from getting soiled by any accumulating particles of ink laden lint thrown off by the bufiers 20. The dog 37 should, however, act at the center of the plateedge which it engages; and in order to provide for this position of the dog 37, without increasing the width of the space through which the parts A are exposed to the buffers, the upper wall of the channel 32 of the bar 28 is recessed for a short distance from its outer end, as at ll (Fig. 9).

In the normal operation of the machine.

the plates are disposed end to end in the guide 2829 and each new plate as it is fed into said guide acts as a follower on the plates in front of it, pushing them through a distance equal to the length of a plate. In this way the plates have a step-by-step movement through the guide 28-29.

The plates pass from the guide 2829 to a third longitudinally disposed and forwardly projecting guide composed of barsand 43 having channels 44 similar to the channels 23 and 32. A discharge chute 45 is located at the front end of the guide through which the plates pass to the receiving drawer. The bars 42 and 43 form right angles with the respective bars 28 and 29.

The movement of the plates through the guide el243 is produced by a longitudinally reciprocatory head 46 (Figs. 6 and 7) slidably mounted on supporting bars 47 and which is exactly similar to the head 25, being provided on its upper face with a pair of plate engaging dogs 4.8 pivoted for movement in vertical planes whereby they may yield to pass under the plate at the rear end of the guide l2 l.3 during the rearward movement of the head 46. The head 46 moves forwardly from a position under the guide bar 28 (which is provided with recesses or clearances for the dogs 48); and

' wardly and during its forward movement the dogs 48 engage the rear edge of the adjoining plate and carry it forwardly until it falls through the chute 45.

The chute l5 passes the plates into the drawer D in which they are normally stored. For the support of this drawer a shelf 49 (Fig. 6) is provided. This shelf is arranged longitudinally under the guide 42-h; and at its rear edge is connected by a transverse hinge joint 50 to a fixed supporting bar, in order that it may be held in an inclined position, with its front end elevated, during the normal operation of the machine and may be lowered when the drawer I) is to be placed thereon or removed therefrom. For the support of the free front end of the shelf. 4C9 it is preferred to employ a pair of spring arms 51 having terminal lugs 52 upon which the shelf rests during the operation of the machine. The arms 51 are spread or moved apart to disengage the lugs 52 from under from the drawer D to the magazine l in the manner described and shown in Fig. 11, the then empty drawer is placed upon the shelf 49 which is thereupon raised into the reardownwardly inclined position shown in Fig. 6 in which position it is supported by the arms 51 as described and the plates cleaned by the buffers 20 are passed into the drawer by the chute 5. The plates are delivered into the drawer in the order of their upward succession in the magazine a in consequence of which their normal arrangement in the drawer is preserved.

In connection with the delivery of the plates into the drawer by the chute 45 means is provided for stacking the plates against one another. This means is used in connection with a longitudinally movable back rest E of any suitable construction but which usually forms part of the equipment of such drawers. The plate stacking means consists of a packing follower preferably in the form of a plate 53 which is pendant from a transverse rock shaft 54 and is oscillated in a longitudinal direction. The follower 53 projects nearly to the bottom of the drawer and its lower portion is bifurcated to fit over the projection sometimes found at the inner side of the front wall of metal filing drawers. The lower portion of the front wall of the chute is cut away as at 55 to provide a clearthey issue :3...

' gearing,

follower 53 from the motor 3. 7 As shown, the shaft of this motor is provided with a small pulley which forms an element of belt gearing 57 for the drive of a longitudinal shaft 58 journaled in bearings 59 secured on the shelf 2. The shaft 58 is connected by belt gearing 59 to a transverse shaft 60 and by belt gearing e1 to a longitudinal shaft 62 which, for the purposes of enabling a certain advantageous slack in the belt of the gearing 59' aids in the drive of the shaft 0 by means of miter gearing 63.

The shaft 60 operates the heads :25 and M3, for this purpose having crank arms (l -l and 5 at its ends which are connected to said respective heads by links or pitmen (3'0 and c7. The shaft 60 also operates the follower 53, for this purpose being provided with an eccentric which is connected by an eccentric strap 68 to an arm ('39 at one end of the rock shaft 5i. The shaft operates the head 34- and is accordingly provided with a crank arm 70 connected to said head by a pitman 71.

The platecleaning means, herein referred to as the buffers 20, may be of any suitable construction. Rotary buffers composed of laminated textile fabric are preferably employed and are secured on shafts 7 2 by which they are driven. The buffers are opcrated from the motor 3 by any suitable conveniently a belt 73 running from a pulley on the motor shaft to pulleys 7 l on the shafts 72.

It 'is preferred that the shafts 72 be so mounted that their elevation may be adjusted, i. 6., lowered, to compensate for wear of the buffers. For this purpose the bearings for said shaft are secured on a frame 75 which is vertically slidable on posts 7 6 and is. pressed upward by supporting springs 77, preferably surrounding said posts, against adjusting nuts 78 threaded on the upper ends of said posts and bearing against the upper side of said frame. The frame 75 may, obviously, be lowered against the pressure of the springs 77 by turning the nuts 7 8, at any time that the wear on the buffers 20 becomes appreci ble. When new buffers are to be applied the nuts 78 are backed off to permit the springs 77 to raise the frame 7 5 to the correct elevation.

The buffers 20 are preferably inclosed in a casing 79 having a separate chamber 80 for each buffer and having its front wall 81 hinged along its upper edge to the top wall, suitable catches 82 being provided to hold the wall 81 normally closed. The casing 79 prevents particles of ink-laden lint thrown off by the buffers from contaminating the atmosphere; and insures the deposit of such particles on the walls of the chambers 80 or on parts of the machine frame from which they may be readily cleaned from time to time. Access to the buffers may be had,

whenever desired, by raising the front wall 81 as shown. in Fig. 1.

'lo insure the passage of all the plates through the macl'iine a certain number of blank plates or dummies are used in the ei'nbodiment disclosed. A. machine proportioned according to Figs. 1, 2 and 3 will require seven of these blanks, which are placed on top of the stack in the magazine a and remain in the machine when the last the type-bearing plates has been discharged. it follows that at the inception of the operation these seven blanks will be discharged prior. to the discharge of the first type-bearing plate; and to provide for the removal of the blanks the upper walls of the channels *llr'l: are cut away, at the front ends of the bars il-.2 and 4L3, as at 83. As the rear edge of each dummy passes be yond the inner edges of the recesses 83, the operator inserts his hand into the upper end of the chute 4-5 and removes the dummy, repeating this operation until all seven of them have been removed, whereupon they are placed on the stack in the magazine l and again utilized to insure of the passage of all, or, more accurately, of the last seven of the type-bearing plates through the machine.

The operation will be readily apparent 'rrom the foregoing description, and is graphically illustrated in the diagrams of Figs. 12 and 13. When the head 25, having left a plate at the front end of the guide 21-22 is moving rearward to engage the lowermost plate of the stack, the head 3% is moving outward, i. 6., toward the guide bar 22 to engage the dog 37 with the said plate left by the head 20; and during the initial forward movement of the head 25, the head 35 carries this plate into the guide ZS-9,9, leaving it in a position just beyond the spring stop 39i0, at the time when the head 25 has brought the next plate to the front end of the guide 2122. viously explained, the plates are fed in step by-step manner through the guide 2829. During the outward movement of the head 34:, the head at) moves rearward to engage the plate at the rear end of the guide 42%3 and carries this plate forward until it is out of the path of the guide 2829. Thereupon, and during the further forward movement of the head 4-6, the head 34 moves inward and brings the next plate into the guide 28-29.

The plates are moved by the head &6 through the guide 4l2l-3 in step-by-step manner similarly to their movement by the head 34: through the guide 2829; and during the rearward movement of the head 46 the follower 53 moves rearwardly to press the plate which has just issued from the chute e5 against the stack in the drawer D. or, if it be the first plate issuing from said As precombination, a plate magazine,

chute, against the back rest E which, on each rearward movement of the follower 53, moves rearwardly through a distance equal to the greatest thickness of a plate. A plate is discharged through the chute on each forward movement of the head 46; and during each forward movement the follower 53 moves forwardly to provide a clearance between it and the stack in the drawer D into which the plate drops as it issues from the chute. V

While I have disclosed and specifically described a single embodiment of themvention, it is to be understood that this specific description is not intended to put any limitation upon the scope of the appended claims not inherent in the language thereof or to be taken otherwise than for the purposes of exposition, where necessary, since various modifications of the several features of the machine herein disclosed may be resorted to within the purview of the invention. 7

I claim 1. In a machine of the type set forth, in combination, a plate magazine, a plate guide extending longitudinally therefrom, a second plate guide extending transversely from said first guide, devices. for moving the plates through said guides and cleaning means operating on the plates during their movement through the second guide. 7

2. In a machine of the type set forth, in a plate guide extending longitudinally therefrom, means for feeding the plates throu h said guide, means for e'fi'ecting a movement of the plates from said guide in a direction transversely of the machine and cleaning means operating on the plates during their transverse movement.

3. In a machine of the type set forth, in combination, plate cleaning means, a guide comprising a pair of bars having channels to receive the edges of the plates and between which the plates are moved into relation to-said cleaning meansand a reciprocatory head having a plate engaging means and operable to effect astep-by-step movement of the plates through said guide.

4. In a machine of the type set forth, in 1 combination, a pair of longitudinally disposed guides, a plate magazine arranged adjacent' the first guide, plate stack ng means arrangedadiacent the second guide, means for moving the plates from the magazine through the first guide, means for effecting movement of the plates transversely of the machine from the first guide to the second one, cleaning means operating on the plates during their transverse movement, andmeans for feeding the plates through the second guide to the plate-stacking means.

5. In a machine of the type set forth, in

combination, a pair of longitudinally disposed guides,a plate magazine arranged adjacent the first guide, plate stacking means arranged adjacent the second guide, a transverse guide extending between and communicating with said longitudinal guides, devices for moving the plates through said guides and cleaning means operating on the plates during their movement through the transverse guide.

6. In a machine of the type set forth, in

8. In a. machine of the type set forth, in

combination, plate cleaning means, means,

for moving the plates in a direction transverse to the machine in relation to said cleaning means, and a reciprocatory stacking follower operating in a direction longitudinally of the machine and which acts on the plates subsequent to the action thereon of said cleaning means. I

9. In a machine of the type set forth, in combination, a plate delivery chute, a plate cleaning means, meansfor movingtheplates after the action thereon of said cleaning means to said delivery chute and a reciprocatory stacking follower acting onthe plates as they issue from said chute.

10. In a machine of the type set forth, in combination, plate cleaning means, a plate delivery chute; having its front wall cut away and provided with depending eXtensions at'the sides of its cut-away portion,

thereon of said cleaning means to said delivery chute and a reciprocatory stacking follower acting on the plates as they issue from said chute and movable through the cut-away portion of said front wall.

11. In a machine of the type set forth, in combination, plate cleaning means, means for fecding'plates in relation thereto in a direction transverse to the machine, a longitudinal guide into which the cleanedplates finally pass and a longitudinally reciprocatory stackingfollower operating adjacent the discharge end of said guide;

12. In a machine of the type set forth, in combination, plate cleaning means means for feeding plates in relation thereto in a direction transverse to the'machine, a lonhinged at its rear end and combination, plate and a shelf for supporting the plates acted on by said follower, said shelf being movable vertically relatively to said follower.

14. In a machine of the type set forth, in combination, plate cleaning means, a reciprocatory stacking follower acting on the plates subsequent to the action of said means, a shelf for supporting the plates acted on by said follower, said shelf being 7 yieldably mounted supporting means engaging the front end of the shelf to support it in an elevated position.

15. In a. machine of the type set forth, in combination, a plate magazine, a guide extending therefrom, a second guide extending at a right .angle from said first guide, reciprocatory heads working parallel to the respective guides, said heads having plate engaging devices and operating to move the plates through said guides, and plate cleaning means operating on the plates during their movement through the second guide.

16. In a machine of the type set forth, in combination, a plate magazine, a guide extending therefrom, a second guide extending at a right angle from said first guide, a third guide extending at a right, angle from said second guide, "reciprocatory heads working parallel to he respective guides, said heads having plate engaging devices and operating to move the plates through said guides, the plates being discharged from the machine by the third guide, and cleaning means operating on the plates during their movement through the second guide.

17. In a machine of the type set forth, in combination, a guide, plate cleaning means operating adjacent thereto, a guide comnninicating at a right angle with the first guide, and reciprocatory heads working parallel to the respective guides, said heads having plate engaging devices and operating to move the plates through said guides.

18. In a machine of the type set forth, in combination, a guide, plate cleaning means operating adjacent thereto, a guide extending at a right angle from the first guide, a discharge chute at the end of the second guide, reciprocatory heads working parallel to the respective guides, said heads having plate engaging devices and operating to move the plates through said guides, and a reci 'n'ocatory stacking follower acting on the plates as they issue from said discharge chute.

19. In a machine of the type set forth, in combination, a guide, a second guide extending at a right angle from the first guide, devices for moving plates through said guides, a spring'held stop incorporated with the first guide, and which prevents retrograde movement of the plates, and plate cleaning means operating adjacent the second guide.

20. In a machine of the type set forth, in combination, a guide, plate cleaning means operating adjacent thereto, a reciprocatory head having plate engaging means and operable to move the plates through said guide and a spring held stop incorporated with said guide to prevent retrograde movement of the plates.

21. In a machine of the type set forth, in combination, a plate magazine hingedly mounted for rearward displacement, a guide projecting forwardly from said magazine, and means working under said magazine for moving plates therefrom and throughsaid guide.

22. in combination, a guide, a plate magazine located at the rear end thereof and having clearances between its bottom and side walls, and a reciprocatory head working under said magazine and guide and provided with yieldably mounted plate engaging dogs which, during the movement of said head under said magazine, project into said clearances.

28. In a machine of the type set forth,

in combination, a guide, a plate magazlne located at the rear end thereof and hingedly mounted, said magazine having a movably mounted wall at the side thereof opposite its hinged wall, and means for moving plates from said magazine and through said guide.

r 24. In a machine of the type set forth, in combination, a guide, a plate magazine located at the rear end thereof and hingedly mounted, said magazine having a movably mounted wall at the side thereof opposite its hinged wall. and having projections at the side of said movably mounted wall, and means for moving plates from said magazinc and through said guide.

25. In a machine of the type set forth,

in combination, a guide, a reciprocatory head working under said guide in parallel relation thereto, and a yieldably mounted plate engaging dog carried by said head.

26. In a machine of the type set forth, in combination, a plate magazine, means for In a machine of the type set forth,

effecting a IHOVGIIIGllt of the plates in the my hand in presence of tWo subscribing Witdn-ectlon oi then" Width from said magazine, nesses. means for effecting a subsequent movement of the plates in the direction of their length, FRED OARRINGTON' and cleaning means operating on the plates Witnesses: during their subsequent movement. JOHN S. PoWERs,

In testimony whereof I have hereunto set CHAS. S. HYER,

7 Copies of this patent may be obtained for five cents each, by addressing the flommissioner of Patents,

Washington, D. 0.

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