US1289329A - Combined setting and filing machine. - Google Patents

Description

F. 'w, WARDWELL, JR.

COMBINED SETTING AND HUNG MACHINE.

APPLICATION FILED AUG.24. 19%.

1,289,329, I Patented Dec. 31, 1918.

5 SHEETS-SHEET I.

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F. W. WARDWELL, 1R.

comsmso smme AND nuns MACHINE.

APPLICATION FILED AUG-24,1916. 1,289,329, Patented Dec. 31, 1918.

5 SHEETS-SHEET 2.

INVENTOR F W Ward wil WI rlvfsszs: 1 511mm ATTORNEYS F. W WARDWELL, JR: COMBINED SETTING AND FILING MACHINE. APPLICATION FILED AUG 24. l9l6.

1,289,329. Patented Dec. 31, 1918.

5 SHEETSSHEET 3.

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F. w wARDwELL, In. COMBINED SETTING AND FIHNG MACHINE.

APPLICATION FILED AUG.24. I916.

Patented Dec. 31, 1918.

5 SHEETSSHEET 5.

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A TTOR/VEYS 1 289 2 5 "application'filedAugust24,:19I6. ,seriaim.116,619.;; ;j

v FRANK w 'wennwnilt, JR, OECLEVELAND, c1110.

1 I eoMBINEnsE'rrms-mvn LFIIiING MACHINE.

Be it known that I, FRANK -WAl ?DWl1lLL, Jr., a citizenof theUnited.states residing at Cleveland, inv the county of Cuyahoga-and State of Ohio, havefinvented certainnew cially adapted to handle is of the bandtype for use in wood or metal working and'fthes'e saws usually are from one-e ghth ofan inch to two inches in width'and have fromtwo t-o'eighteen teeth to the inch, according to "the work to be done therewith, andl'endless. Obviously,- different] sizes of files [are required for'difl'er'ent styles of sawsandjadjustments must be made in the saw clamping 7 devices for/setting and filing as will be seen and useful Improvements in" Combined Setting and Filing Machines, all substantially as showni and.described,: and particularly 'pointedout in the claims. f

In the accompanying.drawings, Figure @is a sideelevation of them-achineon aconsiderably reduced scale, andFigfl is a plan .view of Fig. 1, the complete machine being shown in both views. 1 h

Fig. 3, Sheet 2, isenlarged as compared I ;with Figsfll and 2 and is a frontelevation ofthe machine looking in from the right of Fig. .1, and Fig.4 isa vertical sectional elevation of thexmachine corresponding-tin the position of the .parts to Fig.3, but with the-immediate front portions of th e mechanism removed 'to disclose parts-otherwise hidden from view and showing the relations of. the. settingand filing and feed mechanism. x

v, Fig. 5, Sheet3,is a horizon-tallysectioned plan view. of the machine taken' on a line above the main shaft. Fig. 6 is a vertical sectional elevation of the machine. illustrating the operating portion of the setting mechanism andtaken on the line'corresponding substantially to 66, Fig. '3; "Fig. 7 is 7, Fig. '1. a

across section on line 7 Fig. 8, Sheet 5, is a sectional elevation.

through the saw-clamping and setting mech- ,a.nism. Fig. 9 is a sectional elevation on a line corresponding-to 9 9, Fig. '6. Fig. .10 is a perspective View of one of thesaw clamps associated with the setting mechanism, and Fig. llis a sectional view looking down on line 1111, Fig. 8, and through the head of the clamp in- Fig. 10. Fig-'12 is a plan view ofthe feed pawls and a part'of-a file engaging a saw. I r e The operating parts as-thusshown are mounted directly or indirectly upon the main frame a, which may be of one or more parts rigidly built togethenand power is derived through a drive shaft I), mounted in said frame relativelyas seen in Fig. 7, and carrying fast and loose pulley'wheels w and spe'cificatio nl of Letters Patent.

Patented Dec. 31', 1913.

pulley 'wheel fhaving removable as Jseen'inFig; Therate of operation is fu'r'ther along. I Y

In the setting of .the sawfwhich precedes thefiling of, ajgivenitooth I employ two i-lamps cand c, which are'supportedljinj or upona casting .orhead 71. frigid with the main frame and which has a, central slot in its top and front of say two to four inches deep to accommodate the. saw and which extends the full lengthjofthe, casting to and including the filingpoint,-.as 'partially seen in Figs. 3 andf' l. The said slot takes the sa-w 'some- What loosely and hence the need of 'the clamps 0- ando toholdj'the saw for setting by, either of the setting members 3 and- 4c,

7 r gpectively' Fig. 8 shows suchenga'gement by the member 4. j

:The clamp 0' is permanently fixed ,onthe top-of'the casting h with: its lip across. the slot therein, while theclamp or clamping member o-is constructed substantially as seen in Fig. 10, having. ahead .with' a square engaging face provided with'acentra-l recess 7" beneath its top engaging edge and. a stem or standard adj ustabl y clamped against part b by the clampingscrews 6 and 6. The said screws:and particularly' screw- 6 serve to engage the clamp c firmly against the saw with clamp 0' asa bearing ontheopposit'e side, and at the same time W11BI6 the saw may vary in gage or thickness'th'e thin shank ofclamp G acts as a spring, bendsin its middle and allows the thick part of sawto pass through between of andc without binding or strain. The saw is. supported and I adapted} to slidealong onthe adjustable support beneath, consisting,E-in this instance of the follower 7 and the screw 7 beneath {the same and engaged through a corresponding bore in said casting orjheadfor saidf parts; w

through the in achine; and' gthe w pause i-ri' a'ny case is for only a lr'lQlllflllbQffillllG and-during which one tooth is set and another is filed.

The" forthesavv atlthe place. of filing; consisted a tiltingjbar on having ears at'its outer exposed-end between which the saw rests and is adapted to slide,1a'n d the said bar-dislo ated between the xisti g h and'the Y clamp (Z' and pivotally engaged at about its ,iniddle 011 other end-of an adjusting screw it. ,Itis'de 'irabIe. to hav the saw at the filing .7 point relatively higher than at y the setting gpoint and said bearing harm, is designed to contribute to this e'if nn'ohas possible through theaction of screw n, and

" tilting of m Otherwise the saw isengagedby the outside-clamping or engaging member d and the Wall of casting h onthe inside and which parts xtendabove the bar at and engage the saw about as do the clamps 01 w n 1 1- pmne a t ott'b j ms ,3

and which can bewithdrawmo, reffidvefthe clamp bodily to clean outthe" chipsanddirt, While the inner clamping wa11o1 ortion h iSii fixedportionofthe 'n'aohine. A screw has a springk intension relation therewith s'eje Fig. 1, to tighten-plate d to pre vent-chattering and provide t he reqni'site firmness to permit filing.

he two setting jaws 3 and 4E comprise j's lotte'd plates adj u'st'ably secured by screws i 18 at the upper e idsof the bifurcated rock in;g 'memb er g which is mounted for-longio tu'dinal adjustment upon a sleeve 17 having I rotatable bearing on the headed shaft or pin i6 screwed igidly'within the end of castmg h, see Fig. 4; Set screws 19 are also carried by the arms of rocking member 17 in bearing engagement With the end edges of the plate=like jaws 3 and {i to fix said ja'vvs at any desired angle with the saw teeth. A set screw 17/ serves to fasten the rocking memb r in {adjusted -po 'sitio11 on sleeve 17; The immediate tooth engaging portion of each setting member Band 4 is beveled vertically, see Fig. I6,'to about the inclination or set tooth is to receive; and

.also beveled transverselyrseeFig. 'so thnt' the cutting face of the toothis'set more than the'bacl'r, n other' fivords the tooth is given a *sligg'ht:t'vvist', and "first one setting member operates and'then the other under' the Iim the" main frame.

The clamping plate (Z is hinged ited-rocking motion imparted to the member 9 through the arm 20 thereof and the openslot therein Working over or upon the eccentricQLon short shaft 23 in a stud on Said short shaft carries a gear .Ztengagedand driven by a pinion 2-5 on main shaft 5. timed movement is thus impartedoto the said rocking member and the setting devices mounted thereon, and

the adjusting screws 18 and v 19 determine the degree or amount of set tobegiven to tl1e,.$ W. o

"Tie" feed or movementof the saw as set "tingjan'd filing; occurs is controlled by means of ftwo oawls Sand 8', respectively. These awn ork together under ancoinmon actiona nd are'in duplicate for the reason that sometimes'a saw tooth is broken out, leaving a void, and in such case a single pawl which hasonlv a single tooth movement a! a {time cannot" reach across the void space to engage the next succeeding tooth and there fire the feed ofthe saw stops, Hence 'I have adopted two co-actingpawls which engage the saw at given spaces apart, Fig. say-mo r more-teeth, and If one fails the *otherwill act and the feed of the saw will [proceed in the regular Way. 'Pawl Sis adasto length, being fastened by. screws e extending through 'siots, and p'a-Wl Scanbelengthened or shortened by releasing-screw f, thus permitting adjustment of both pawlsto differently s aced teeth on the liiothpa' wls' are supported on anoscillatingor vibrating hanger 9 pivoted atlo'on a substantially {triangular member 12 pivoted at 1-3on'themainframe and adapted to rock or vibrate atregular intervals on said pivot within controlled limits and to force-feed *the saiw by means of said awn tooth by "tooth, ,unifjorni distances successively. In point of time-the said pan-ls act when the file is on its return stroke and the saw sets are retired, antihalng'er '9 is pivoted at 10 for the essential purpose; of advancing the feed paivls S and 8 so as to bring the of the tooth in correct position for the file to cut :the same more or less, and accuracy of feed is-obtained by pawl 8 which actually engages afitooth already cut or filed.

The means for actuating the said paWls and also the file comprise a skeleton frame overlying the front fixed 'flat portion 31 of the main frame and adapted tobe raised "and lowered in respectthereto Within limits by a cam 32.0nthe end of drive shaft Fig. 7, Working in a corresponding opening in said frame The said frame 30 is confined in Working relations in respectto Wall 31 and saidshaftby lugs or projections 29 on the back thereof extending inward through openings in w'all'31 and slidably engaged on heavy --inclin'ed"stationary rods 33 fixed in thesaid will and having their lower ends projecting through a bore inthe walli'nto correspondingly inclined bores insaid main frame. A- spring 34- is interposed on each rod 33 between the lug 29-and shortzarm 29"on the inner side of wall 31, and normally the' saidwall andplate are'spac'ed apart about as seen in Figs. 5 a11d:-7. The

saidspring cooperates with cam 32 in (le- --pressing said :plate 'afterit has beenlraised todoits work, andthe said rods are set" at such ananglel'as to raise'the filingarm 4O 1 at a slant -when leaving the backi the tooth, as will presently be seen. .2 Thisniovement also is designed to permit of entering and leaving a tooth with an extremehook;v

A plate 35, Figs. 1 and 7, is confinedwithin beveled keepersior guides. 361 fixed -on frame 30 top'and' bottom and is independently slidable: therein within said guides,

and saidplate has a vertical 'slot 37, engaged. by a steel roller '38 on a crank arm '38 integral with cam-:32wa'nd' having such throw as is required to give the requisite thrust and return movement to the file supporting arm 40. The ,said Zarmjisrigid with" said plate and has a socket head 41 for the file. onits outer end, while the innerendof the file'is engaged in a somewhat similar or suitable jsocket 42, thesaid socketsbeing adjustable in their respective supports in arm 40 to0b- V tain the required horizontal position of the file. i V In operation the i the sliding plate 35 and ,crank roller 38-cooperate with arm 40 inthrusting the file forward to sharpen a toothand then to return the fileto starting position while it is raised from the saw,Ithe lift-being through frame .30and cam 32 andvtheithrust and return through crank 38 and plate {35. A t Now, as to the p'awls 8 and .8, it will be seen that the triangular .vibratoryimember 12 through which said pawls-are actuated is 5 engaged at or through a hook or open slot 46 in one angle thereof by a'screws i, or its equivalent, fixed in said frame 30, through said hook or slot, while said member-12 is pivoted at13 on the mainframe. It follows when frame 30 is. bodily raised by its cam 32 that the member 12 throughscrew 44 will'be caused to swing on its pivot'aSufiicierit distance to cause. the said pawls to move iforward the distance of one tooth in the saw, and of course the thrust is proportioned to the space between teeth by adjustments in the actuating parts, and pawl actuation is timed to occur in the intervals when the file and the saw sets are disengaged. A spring 45 engaged with hook 46, serves" to keep it down in' working relations over the head screw orpin 44, while the hanger. 9 is adjust able as to'the vibratory pm 12 by set screw 14, and a second set screw 14' in a lug in frame aengages the back edge of part 12 and torms an adjustable stop therefor. A

frame 30 oncain 32and coiled sprin'g'15 holds pawl 8 to its work, and aseparate spring 15" also holdspawl s :down in engagement with the saw. "Pawl 8 is adjustably" secured in-a short' arm or holder F pivotallysupported on the lower end of hanger'9.

IThe tooth setting memberg rockswith the sleeve 17 but can be moved either to the right or leftso as to always bring the setter "jaws 3 and'i l opposite 'atooth in .any'given saw, and thisis important, where the'ma- V chine 'is designed -to set and file difierentkinds of 'sawslhaving teeth of difierent sizes and lengths. 1-In other words, when the file rests in oron a-to0th asin Fig. 4, the setting device is adjustedso as to bring the setter -j aws oppositeior in line with a tooth-which.

is to be filed subsequently and it *isthen "locked foruse; Each setter jaw is adjusted so that it twiststhetooth to give the proper.

clearance behind-the cutting edge, and only about two thirds ofthe upper or pointed portion of thetoothf is set.- i

In operation, two adjustments cover, the

movement of the pawl actuating lever at: "'tached to the main frame and rockedby a screw attachment to the verticalslide frame,

Fig. 3. One ot these adjustments covers the length'of the stroke, the other the amount of cut. removed from the face of the tooth. One

elevating screw 7 raises the teethinfthe vise -.to the proper level for setting, and the other screw n to theiproper le'vel for filing. Two pressure screws tighten the vises whichhold V the saw, one screw where the teeth are filed, and the. other screw 6 where the teeth are set.

gAfter the machine isstarted it acts automatically lthroughout andyreouiresi no personal attention in its setting, filing and iced- .1 ing;mechanisms, while the: said mechanisms can be. adjusted to saws. [of ldifierent' :widths and to teeth, of various shapesand sizes and Y variously spaced apart to performfsimultaneous setting, and filing operations, makingzthese adjustable mechanisms, mutually dependent and hence inseparable. Thus re- V ferring to the double feed pawl action, this double movement of feed. .pawls is so arranged that one feedpawl or dog works on each side of the fi e. The pawls being adjustable as to length can jbe spaced so that they comethree, four or five-teeth apart, or

' any numberof teeth for that matter, accord ing to the size and spacing of same." Supso that they are spaced just the width of five teeth apart The movement of these 'p'awls isthenadjusted so that they move along the saw just the length of one true tooth.

The sawnow starts to pass through the pawl toth'e leftofthefile works and moves the saw'along "the exact distance or, Width :of' the "file is worki'ng again'st a ire'sharp'ened truetooth' and this tooth is pushed :along its exactlength, withithe resultithatthe feeding "of the feed pawl-against the long toothis temporarily thrown out of action' wh'ile the {of aftruetooth,"sothat' when thislong "toothrea'ches' the ffile it is properly evened *up'or spaced and so'becomes the same width :asall otherteeth. The reverseof this action takes pla'ce -when a short t-o'oth approaches the file to be cut. 'lhewesult is that the fp'awlon the "left side-of the file, when it works on perfectly spaced andresharpened -"teethis always pushing against the face of an evenly spaced' 'tooth, so that the saw teeth are all producedthe1exact samelength;

*nisni, a VertiCally-adjustable tilting snpport j loi I-claim is? mechanism "to file the same" teeth, yielding clamping devices to hold; the saw at each 'saidmechanisms'a vertieally adjustable sup- ,porfibeneath v,the'saw at the setting mechabeneath the saw at the 'filin'g mechanism, "and means to 'feed thesaw over both said snpports. i, r U

"In a combined saw setting .andffiling machine, mechanism to: set the saw teethand mechanism to 'file each tooth when set, said mechanisms being adjustabl -related longitudinally of thesaw to, permit simultaneous setting and filing operations on saw teeth of devices to operatesaid setting and filing be set and filed simultaneously comprising a plurality of pawls adapted "to engage the l sawteeth in aristeprhy step movement with. na plurality of teeth between. the. paavls, a

:verticallyv-slidable part -.-and. a vibratory part operatively engaged thereby and having 1 1. In 'a comb'ined seeingma n in f I mac'h1ne,,mechan1sm' toiset'the saw teeth and means i" an oscillatory member and an adiustable' stop-therefor, a "pawl to engage the saw teeth pivoted on said member, an adjusting screw 'forsaidwpawl, and :a second pawlc to "'engagethe sawiteeth pivotally and adjustably mounted on said first mentioned-pawl;

' 5. -In-.a combined-saw setting-and filing *Inahine, an oscillatory member having a tooth-engaging pawl adjustabl-y secured thereon and arholden-pivoted on-said pawl having a 't'ooth engaging wpawl a'djustably mounteditherein, said pawls being adapted to engageseparate teethon'the saw.

6mins, eom'bined saw setting and filing gmachindraholding device for-the saw com- "prisingJetstationary support having a :saw clamping memberprovided with a spring 'shan'leand fastening serews,a'pivoted clampli'ng plate having' a tension "spring: and "screw, andysepxratza"vertically-adjustable rests for '"the:saw adjacent'-said clampingmember and 518L130. i

l 7: Ina-combined saw setting and filing machine, a saw guide and holder comprising a stationary fsupp'ort having a pivoted clamping -plate for'the saw and spring tenfsion c1am'ping"means engaged with said plate, and a tilting rest and adjusting set "screw tosupportthe 'saw'ior sliding move- "'ment ,between said stationary support and the clamping plate, v (8"."In a combined; saw setting and filing machine, a pair of tooth setting members,

a d recessed .fa'ce adapted to engage/the sawtooth linearly thereof andjat each side the tooth at the base thereof. 7

j a combinedsaw setting and filing machine, means to set the saw teeth and gmeansto file the same teeth, a main and an varying length, independent feed pawls en gaged with the saw teeth forwardlyand Y rearwardlyqof the filing point, and co acting auxiliary feed-pa'wlrengaged with the saw teeth, at'either side of the filing point of the saw; and oo-acting mechanisms to operate the said means and the said pawls alter- "natively, the main pawl being in adyance of a the auxiliary pawl and engaged with teeth "thathave-ibeen filed.

" Intestimony whereof I afiix my signature in "presence of two Witnesses.

i FRANK \NARDWELL JR Witnessesi JJ ESA. FOR

1 HARROLD.

' i copies of this patent inay be obtained terlnveeentseach, by addressing the fficmmissioner of Patents",

v 4 Washington, 3.03 v

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