US864552A - Machine for reducing rags or paper. - Google Patents

Description

PATENTED AUG. 27, 1907; J. L. PERKINS & J. 0. STANLBY.. MACHINE FOR REDUCING RAGS 0R PAPER.

3 SHEETS-SHEET 2.

APPLICATION FILED DEO.14.1906.

No. 864,552. 1 PATENTED AUG. 27, 1907. J. L. PERKINS & J. O. STANLEY.

MACHINE FOR REDUCING RAGS 0R PAPER.

APPLIOATION FILED nno.14,19oa.

3 SHEETS-SHEET 3.

\ 'jzy j UNITED j sTAipsr rENT OFFICE.

JOHN L. PERKINS AND JOHN O. STANLEY, OF HOLYOKE, MASSACHUSETTS.

MACHINE FOR REDUCING BAGS OR PAPER.

Specification of Letters Patent.

Application filed December 14, 1906. Serial N0- 347,834.

Patented Aug. 27, 1907.

suitably small, and more or less nearly similarly shaped and uniformly sized pieces.

An object of the invention is to devise a machine for the purpose indicated which has the capability of a large amount of stock reduction in a given time.

Another object is to so construct the machine that it may have a long life, notwithstanding the wear to which the parts, especially the shears comprised therein, are subjected. Another object of the invention is to so construct the machine that the shear comprising parts therein become self sharpening. And another object of the invention is to so construct the machine that it is of great durability.

The invention is described in conjunction with the accompanying drawings and the particular features thereof are covered in the claims.

In the accompanying drawings,Figure 1 is a plan unusual simplicity, of cheapness of manufacture, and

view of the machine; Fig. 2 is a sectional elevation as taken on line 2-2, Fig. 1; Fig. 3 is a perspective view, with parts broken away, of the portion of the machine which is herein termed the fixed bed plate. Fig.

4 is a perspective representation of some of the individual teeth and spacing-blocks comprised in the bed plate; Fig. 5 is a perspective view illustrating abed plate of modified form.

Similar characters of reference indicate corresponding parts in all of the views.

In the drawings,-A represents the frame of the machine comprising opposite upright sides 10, 10, having L- shaped lugs 12, 12, on the inner faces thereof, each provided with an aperture 13.

13 represents a rotatable body or cylinder journaled in said frame and having essentially one, and in practice preferably a plurality of helically extending series of outwardly projecting separated tapered teeth 14, 14. The shaft orarbor of the rotatable body B has a large spur gear wheel 15 thereon, meshing into which is a considerably smaller spur gear wheel 16 affixed on the driving shaft 17 to which the driving pulley 78 is provided whereby the rotation of the shaft through means of a belt may be accomplished for the driving of the rotatable tooth carrying body' at appropriate speed and with great power. g v

G represents the portion of the machine, which, as an. entirety, is herein termed the bed plate, the

same having a series of separated teeth evenly spaced I and arranged in a horizontal line parallel with the a'xis of the cylinder 13 and positioned so that the teeth revolubly carried by the cylinder willsucccssively pass with shearing actions in close contact with the surfaces of, and through the. spaces between, the teeth of the bed plate, which latter teeth are tapered so that both sets of teeth and the walls of the intermediate spaces between the individual teeth are complemental to each other.

Describing the bed plate exactly as constructed and mounted in the preferred form, it will be perceived i that the same comprises an L-shaped bar a having appurtenant thereto and located above the ledge portion 18 thereof, a section 19 in the form of a rigid metallic strap, arranged vertically adjustable relatively to the part 18 by the screws 20 which have thread engagements vertically through such portion 18 with upper end supporting bearings against the underside of the section 19. The L-shapcd bar is supported at its end portions on the aforementioned opposite L-shaped lugs 12 of the frame sides. The series of teeth b of the bed plate are constituted by tooth sections in the form of comparatively vertically long, or high, steel blocks, the bases of which rest on the vertically adjustable section 19. The upper ends of the said tooth sections or blocks extend considerably above the upper edge of the L-shaped bar a, all terminating at a normal level more or less nearly corresponding to that of the axis line of the cylinder B. The blocks are at their upper end portions forwardly tapered, as indicated at 22, conformable to the tapering or beveling of the teeth projecting outwardly from the cylinder.

23 represents spacing blocks between the tooth sections, the same being of the same height as such tooth sections, but of considerably less width so as to leave the proper tooth spacing and to constitute, by their upper forward portions, shear edges 24, against which the points of the cylinder teeth coact, while the sides of the cylinder teeth coact with the lateral edges or upper corners of the said tooth sections, The upper bed plate surface, constituted by the upper ends of the closely united tooth sections and spacing blocks, is one that is horizontal and flush. The blocks 25, shorter than the tooth sections and spacing blocks, are provided between the lower portions of the tooth sections and are positioned facewise against the spacing blocks.

d represents a clamping plate of the same length as the L-shaped bar or body a of the bed plate. --This clamping plate is firmly secured on the forward edge of the horizontally disposed ledge member 18 of the aforesaid bar a, being secured by the screws 27, and tightly binds all of the tooth sections and spacing blocks, so that when united the tooth comprising" plate is to all intents and purposes the same as if integrally made. V

The bed plate bar a has end cheeks or right angular vertical lugs 28, 28, to constitute stops against which may be positioned thetooth sections and intermediate blocks, and also against which engage the inner ends of screws 30 which have thread engagements horizontally through the frame sides in a line of the length of the bar a. These screws 30 are available for positioning and holding the tooth comprising bed plate positioned with exactness, so that the centers of the spaces between the bed plate teeth will be coincident with the centers of the teeth of the cylinder.

32, 32, represent adjusting screws passing through the lugs 12 at the inner portions of the frame sides in lines at right angles to the length of the bed plate bar a and with bearings against the back thereof; and 33, 33, represent a pair of screws extending horizontally loosely through the apertures 13 therefor in the aforesaid opposite side lugs 12, and with screw thread engagements into the opposite end portions of the bar a. By loosening the screws 33 and turning up the screws 32 the bed plate may be bodily set forwardly in slight extents, towards the axis of the cylinder, as may be required from time to time in consequence of the wearing away of the shearing parts, more especially the teeth of the cylinder. And after the bed plate shall have been slightly forwardly moved, the" confining screws 33 are again tightened so that their heads hind against the rear side of the lugs 12 outside of the margins of the slot 13. The slots 13 are made slightly wider than the diameter of the shanks of the screws 33 so that there may be a slight play of the screws horizontally in an endwise adjustment of the bed plate, see Fig. 1.

ff represent a pair of feed rolls to the rear of the bed plate teeth with their nipping part adjacent peripheral portions at or slightly above the level of the tops of the bed plate teeth; and g represents a chute or guide for the rags or. other stock to be brought to reducing action by the machine. The said feed rolls are geared together at one end of each, 37 representing the intermeshing spur gears therefor; and the lower feed roll has on the opposite end from that on which is secured one of the gears 37 a larger spur gear wheel 38 which meshes with a spur gear wheel 39 which is fast on the arbor, or integrally formed journal, of the cylinder B,- this last mentioned gearing constituting the driving means for the feed rolls.

The stock fed to and through the feed rolls and advanced forwardly therebeyond over the teeth of the bed plate is cut into four sided small pieces, the shapes thereof corresponding to those of the eomplemental.

teeth of the bed plate cylinder; and because of the helical arrangement of each of the endwise arranged rows or series of the cylinder teeth, a cylinder tooth at one end reaches the shearing plane and performs its individual cutting action slightly before the next revolving cylinder tooth of the same series, so that there is a distribution, as to time, within the period of passage of a helical series of cylinder teeth past the bed plate teeth, of the shearings performed by and between individual pairs of the teeth.

The teeth of one of thetooth comprising bodies in this machine, preferably those of the cylinder, are composed of a softer metal than are the teeth of the relatively opposed body, and in practice the bed plate teeth are composed of steel, hardened; and the cylinder with its outwardly extending teeth arranged in gradually sweeping helical lines is made of cast iron. Consequently the cylinder teeth are self sharpening in their shearing passages through'and in relation to the harder bed plate teeth. From time to time as the cylinder teeth are perceived to have been worn away, the bed plate isvery' slightly forwardly adjusted, the provisions for which have been hcreinabove pointed out,so that the complemental sets of teeth will bottom and be in shearing contact at all of the tooth sides and intermediate walls.

The cylinder teeth are constructed with reinforcing rearribs or webs 45 whereby liability of .tooth breakage is lessened.

The bed plate maybe bodily taken out from the maworn and dull at the corners or shear edges of'and between the bed plateteeth; and to compensate for any reduction in the height of the teeth, the tooth series may be bodily slightly elevated by the adjusting screws 20 operable to slightly raise the movable bed plate section 19 on which the series of individual tooth sections and their spacing blocks rest.

As hereinabove intimated, the bed plate is to all intents and purposes an' entirety, or the same as if integrally made, so far as its function is concerned, for a given period of effective operativeness; but by making it sectional as regards the individual tooth sections, the latter are susceptible of being made of very simple and easily produced forms from good steel and satisfactorily hardened, and wear compensation provided for.

In Fig. 5 a bed plate is represented in which the tooth sections b are horizontally arranged and clamped within an L-shaped bar a the longer diameter of which latter is also horiz0ntal,the object of this illustration being to indicate that the precise formation and arrangement of a bed plate such as represented in the preceding viewsneed not necessarily be strictly followed, although such is the preferred one for reasons of practicability and expediency.

It will be seen that, in both the form of bed plate illustrated in Fig. 5 and that shown in the remaining views, the fixed tooth members are mounted in what is, in effect, a casing, composed of the L-shaped bar with its end members, and the clamping plate. In both forms, also, means is provided for adjusting the tooth members, and the spacing members, in and out of the open side of the casing.

A machine made in accordance with this invention is especially available for the reduction of rags for paper stock; and such machine has also been extensively utilized in the manufacture of confetti from tissue paper.

We claim:

1. In a machine of the character described, the combination of a fixed body comprising a series of spaced teeth. a rotatable body carrying teeth complemental to said other teeth and arranged to pass therehetween with a shear action, and means for securing relative adjustment of said bodies in a direction tangential to said rotatable may.

2. In a machine of the character described, in eomhlna sous:

tion, a iixed series of separated teeth, and '1 rotatable body having a series of teeth complemental ,to those of the fixed series and adapted to pass with a shear action therebelwcen, and means for adjusting the fixed series tsngem, iiaiiy of therotatable body.

ii. In a machine of the character described, in combination, a iixed series of separated teeth,-and a rotatable body having a series of teeth complcmcntal to those of the 'iixed series and adapted to pass with a shear action therebetween, means for adjusting the-series of'iixed teeth in a direction towards ihe rotatable body, means for adjusting said series parallel tothe axis of the rotatable body, and

means for adjusting the series tangentially of said rotatable body.

4. In a machine of the character described, the combiuatlon of a holder casing, a series of spaced independent'tooth members projecting therefrom, and means for clamping said series rigidly within the casing, and of a rotatable body having projecting spaced teeth arranged to pass with a shearing action between said other teeth.

5. In a machine of the character described, the combinalion of a fixed holder casing, a series of spaced independent looi'li members projecting therefrom, spacing members allernating with said tooth members, and means for clampin; said series endwlse rigidly within the casing, and of a rotatable body having projecting spaced teeth arranged to pass with a shearing action between said tooth members.

ii. in a machine of the character described, the combination or a holder casing having one side removable, a series of spaced independent teeth projecting from said casing and clamped therein by said removable side, and a rotatable body having a series of spaced projecting teeth teeth.

I. In a machine of the character described, the combinatlon of a holder casing, a series of spaced tooth members projecting therefrom, and means for adjusting said series within the casing. and of a rotatable body having a series of spaced projecting teeth arranged to pass with a shearing action between said tooth members.

8. in a machine of the character described, the combination of a holder casing having one side open, a series of spaced independent teeth projecting from said casing, and means for adjusting said series simultaneously in the direction of their length in and out of such open side, and of a rotatable body having a series of spaced projecting teeth arranged to pass with a shearing action between said other teeth.

9. in a machine of the character described, the combinalion of a holder casing. a series of spaced independent teeth projecting from said casing, means for adjusting said scl'ies simultaneously in and out of said casing, and means for adjusting said casing at right angles to the last mentioned adjustment, and of a rotatable body having a series of spaced projecting teeth arranged to pass with a shearing action between the teeth within the casing.

10. In a-machine of the character described, the combination or a holder casing, means for adjusting said casing in two directions at right angles to each other, a series of spaced independent tooth members projecting from said casing, and means for adjusting said series simultaneously in and out of the casing at right angles to said other adjustments, and of a rotatable body having a series of spaced projecting teeth arranged to pass with a shearing action between the tooth members.

11. in a machine of the character described, the combination with a fixed bed-plate comprising a series of separated forwardly tapered teeth, of a rotatable cylindrical body having a series of correspondingly tapered teeth arranged along the length of, and extended outwardly from the side of such cylinder and operable as an interdentai shears in conjunction with the bed plate teeth, means for rotating the cylinder and means for securing an adjustment of one of the tooth series in a direction towards the other.

12. in a machine of the character described, the combination with a fixed bed-plate comprising a series of separated teeth, of a rotatable cylindrical body having series of teeth arranged in helical lines along the length of and extended outwardly from the side of such cylinder, each of said teeth having a reinforcing rib at its rear side of thereof;

less thickness than the tooth, s d means for rotating the cylinder.

,13. In a machine of the character described, the combination with a supporting frame, a cylinder horinoutally mounted therein, having's series of separuted outwsrdly projecting teeth, and means for rotating the cylinder, of an L-shaped bar supported horinontslly by the frame porallel ,with the cylinder, s. series of separated tooth members, mounted on ssidhsr, and a clamping piste-secured to the bar and binding the tooth members against the back .14. in a machine of the character described, the comblnation with a sup xirting'framega cylinder horlnontslly mounted-therein, havlnga sericslof separated outwardly U ailel with the cylinder, :1 seriesof separated tooth members, mounted on said her, a. clamping piste secured to the bar and binding the tooth membersngsinst the back thereof, and means appurtenant to said'lrshaped bar and operable toadjnst said tooth members vertically.

15. In a machine oi. the character described, the combination with a supportlngframe, a cylinder horizontally mounted therein, having a series of separated outwardly projecting teeth, and means for rotating the cylinder, of an L-shaped bar supported horizontally by the frame parallel with the cylinder, a. series of separated tooth members, mounted on said bar, a clamping plate secured to the bar and binding the tooth members against the back thereof, and means for adjusting said L'shaped bar forwardly towards the axis of the cylinder.

16. In a machine of the character described, the combination with a supporting frame, a. cylinder horizontally journaled therein, having a series of separated outwardly projecting teeth, and means for rotating the cylinder, of an L-shaped bar supported horizontally by the frame par allel with the cylinder, a vertically adjustable section appurtenant to said bar and above the ledge portion thereof, a series of, individual separated tooth members resting on said adjustable section and blocks between and of less width than said tooth members, having their upper ends flush with the tops of such members and a clamping plate secured on the front of the L-shaped bar having a clamping engagement against the forward faces of said teeth members.

17. In a machine of the character described, the combination with a frame comprising opposite upright sides having L-shaped lugs, on the inner faces thereof, provided with apertures and a rotatable body journaled in said 'frame having a series of outwardly projecting separated teeth, and means for rotating said l ody, of an L-shaped bar extending between and supported by said lugs, a vertically adjustable section above the ledge portion thereof, screws passing through said ledge portion and having adjusting engagements with said section, a series of individual tooth members resting on said adjustable section, and bearing against the back of the L-shaped bar, a clamping plate and means for confining it on the L-shaped bar against the forward faces of the tooth members, spacing blocks between the tooth members, headed screws having the shanks thereof extended loosely through the apertures in said Lshaped lugs and screw engaged into the L-shaped bar, and screws threading through the Irshaped lugs and against the back of the L-shaped bar.

18. In a machine of the character described, the combination with a fixed bed plate comprising a series of spaced teeth and a pair of feed rolls thereabove, geared together at one end, and one thereof having an additional gear wheel at its other end, of a rotatable body having a series of outwardly extended teeth operable as lnterdental shears in conjunction with the bed plate teeth, a driving shaft having a small spur gear wheel thereon, a larger spur gear wheel connected with the rotatable body in mesh with the driving shaft gear, and another spur gear wheel connected with said rotatable body and in driving connection with the gear wheel on one end of one of said feed rolls.

19. In a. machine of thecharacter described, the combination of a fixed casing or holder, a movable strip therein, a series of spaced independent tooth members projecting at &

one end without the casing and hearing at their other ends against said sirlp. mean for mijnsling said sirip in carry 1 silk] inelh members emlwlse, and a relalablr belly having a series 01 spat-ed prey-Ming ieelh arranged in pass will: a shearing m-Hen beiwoen said tuulh menrlwrs.

20. in a maehine of the eharaeier described, [he eemblmilieu of alixed easing or holder a series of independent looih members projerlhn: therefrom, sparing members of less depth than said tenth members and nllernutlng iherewill: and having: iheir projeriing ends iiuah wiih ihe bro- Jerlim: ends thereof. and means for einmping said several nn'mhers wilhin the easing. and e! a'roiulahle member having a series 0| spnvell projerling'leelh arranged to pass with a shearing :Iriien between said ionih memhers.

:11. In a marhine oi the character deserilx-d, the combilmiion of a lixed'easing er imider,'a series of independenl ieulh members projecting iherei'rem, sparing members of lens depth than said tooth members and alternating therewith and also projecting without the casing, short blocks eonLlgnuus the feces of said spacing members adjacent 20 their inner ends and cempieting the filling of the inter- (ienial spares ai. these'regionsjund menus for clumping snlui several members and blocks together within the easing, and of a roiatuhie body having a neries of spaced pmjerting. teeth arranged to pass with a. shearing action 2 between the teeth members and along the faces of said s ewing members.

Signed by us at llei'yoke, Mass., in presence of two subscribing witnesses.

JOHN L. PERKINS. JOHN 0. S'IANLIGY.

Witnesses IN. S. Bmmews, (i. it. liulsmnn.

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