US798617A - Edge-trimming machine. - Google Patents

Description

No. 798,617. PATENTED SEPT. 5, 1905.

B. AE. MAYD.

EDGE TRIMMING MACHINE.

APPLIUATION FILED um. a1, laoo.

5 SHEETS-SHEET 1.

mwew s cmu co, naw-umaniwnins, wAsmcYcu. n cv No. 798,617. PATENTED SEPT. 5, 1905. B. F. MAYO.

EDGE TRIMMING MACHINE. APP'LIOATION FILED 116.31, 1900.

5 sums-SHEET 2.

PATENTED SEPT. 5, 1905.

B. I'. MAYO.

EDGE TRIMMING MACHINE.

APPLICATION FILED AUG. 31,1900.

5 SHEETS-SHEET 3.

A uuml 5.56.5: fm guard/7g /ufd/m MW .uw zo, wia mmmwzns, wunmcrm c c.

No. 798,617. PATENTED SEPT. 5, 1905. B. E. MAYO.

EDGE TRIMMING MACHINE.

APPLIOATION mum AUG. a1, 1900.

9 j Maa@ mnnsw a :mmm co. Pnovorumocmpnsns. wnswncl'ou` nv c.

No. 798,617. PATENTED SEPT. 5, 1905. B. I. MAYO.

EDGE TRIMMING MACHINE.

PPLIUATIQN FILED Ave.a1.19oo.

5 SHEETS-SHEET 5.

EiirED sTA-'i'Es PATENT oEE'icE.

BENJAMIN F. MAYO. OF SALEM, MASSACHUSE'ITS, ASSIGNOR rlO UNITED SHOE M.\('IIINEBY COMPANY, OF `B(.)S'l,`(.)i\, MA QAOI'IUSETIS, A OOR- POETION OF NElY JERSEY.

EDGE-TRINIIVIING MACHINE.

No. 798,617. Specification of Letters Patent. Patented Sept. 5, 1905.

Application filed August 31, 1900. Serial No. 28,697.

T "/7/ "7W/N' ff 'H1/"Il fH//fff/'H/f without leavingswells or bunches on the sole Be it known that I, BENJAMIN F. Maro, a edges opposite the inner ends of the toe-cap 55 citizen of the United States, residing' at Salem, or opposite any enlargements or wrinkles in in the county of Essex and State of )'[assathe upper due to unequal lasting' or other chusetts, have invented an Improvement in causes such as are often left by the cutter Edgeffrimming Machines, of which the folwhen the gag'e is short and contacts with the lowing description, in connection with the acupper close to the cutting'-point. 6o companying drawings, is a specification, like The gage of my present invention is also an characters on the drawing's representing' like improvement overa g'age having' surfaces loto parts. cated on either side of the point where the Myinvention in edge-trimming machines is cutting is taking' place, but having both of herein shown as embodied in a machine for said surfaces adapted to contact with thc up- 65 trimming the edges of the soles of shoes, the per. By constructing' my g'agc so that one of object of the invention being' the production the contact-surfaces engages the sole at points of a rapid machine to trim the edg'es uniwhere it has already been trimmed IV do away formly and insure smooth edg'es about the with suoli variation in the position of the shoe ball, sides, and toe, the invention being' espewithrefcrence to the cutter as might result if 7o cially useful on shoes having' toe-caps or on the g'age contacted only with the upper. shoes unevenly and poorly lasted, so that the In addition to the two surfaces adapted to 2o upper presents wrinkles or bunches where it contact with the upper and the trimmed sole, overlaps the inner sole. respectively, I prefer to form my gage with '.lhis invention constitutes an improvement a contact-surface located at substantially that 75 on the invention shown in application for part of the g'age which is nearest to the point United States Letters Patent, Serial No. 7,255, where the cutting' is taking place and adapted z5 filed by me March 3, 1900. to contact with the upper and guide the shoe One important featm'e of my invention rewhen a very convex portion of the sole edge sides in the employment of an elongated gage is being' trimmed, such as the toe end of the 8o having contact-surfaces on each side of the sole. point where the cutting' is taking' place. One The gage is preferably recessed to expose 3o end of said gage contacts with a trimmed porthe work to the view of the operator at or tion of the sole, the opposite end of the gage near the point where the cutting is taking contacting' with the upper, that end being' place. 85 preferably curved that it may readily ride Figure l in side elevation represents a trimover the edge of the toe-cap or any irreg'uming-machine embodying'myinvention in one larity in the surface of the upper. By means of the best forms now known to me. Fig'. 2 of a gage comprising these contact-surfaces is a view, on a larger scale, of the upper part located at opposite sides of the point where of the machine shown in Fig. l looking' at it 9o the cutting' is taking place and at some disfrom the left. Fig's. 3 and are details to be tance from that point I am able to reduce to a referred to of parts shown in Fig'. 2. Fig'. 5

4o minimum the variations which are commonly is a detail view of parts shown inFig's. 3 and caused in the contour of the trimmed sole by as seen from the section-line 41", Fig'. S). irregularities in the surface of the shoe with Fig. 6 is a view, on a larger scale, of the rig'ht- 95 which the gage contacts in guiding' the shoe hand side of the upper part of the machine with relation to the cutter. shown in Fig'. 1. Fig'. T is a plan view of the Another feature of the invention consists in parts shown in Fig'. (i. Fig'. 8 is a detail showi'a'oviding a gage adapted to eng'age the sole ing' the pin f. Fig. i) is a section in the line edge and the upper at points distant from the 9 9,Fig'. Fig. Wis a detail to be described. 10o place where the cutter acts and on the oppo- Fig'. l0, in two views, shows one form of my site sides of the plane in which the face of the l im proved gage. Fig'. ll shows in two other cutter rotates. views a modified form of gage. Figs. l2 and By the use of my invention slices may be 13 show yet other modifications. Fig'. li trimmed rapidly and uniformly and the shows the gage of Fig'. 12 in position on ad 105 trimmed edges may be cut smoothly and shoe the sole of which is being' trimmed.

wwf fusual or suitable construction.

Fig. 15 is a View looking at Fig'. 14 in the direction of the arrow, Fig. 16 shows the advance end of the gage as having' mounted the edge of the toc-cap, and Fig. 17 shows the relation of the shoe to the gage when the toe is being trimmed.

The framework consists, essentially, of a column A` having a foot A to stand on the Hoor, the column supporting a head A2, having uprights A3 A3 to hold bearings A for the cutter-shaft Af.

The shaft has clamped upon it by a screw A a belt-pulley A7, over which is passed a belt A, driven from a belt-wheel A, fast on a shaft A1, taking its bearing in the column and in a stand A10X and provided with a fast and a loose pulley A12 A1, a suitable belt (not shown) when on the fast pulley A12 driving the machine. The shaft A.5 has connected with it by a screw a a recessed collar a7, so that the shank t2 of a feather-edger fmay slide on the shaft, said shank being surrounded by a spring af, slots in the shank being entered by guide-screws a5. The front end of the shaft is reduced to form a tenon, (see Fig. 9,) and the shaft is bored and threaded to receive a conical-headed screw c, and the tenon and shaft are provided with a plurality of slots, so that as the said screw is turned into the threaded bore of the shaft the head will eX- pand the tenon and cause it to center and hold in place the cutter a7, which may be of any The outer end of the screw a is provided with a threaded hole to receive the threaded shank of a studscrew a, which receives and sustains the randguide a, a backwardly-projectingannular portion of the rand-guide entering the hub of the cutter, which is not fully occupied by the screw a The forward upright A3 has at its sides bosses B B7, bored for the reception of guiderods B2 andB, respectively. A cross-bar B5 is secured to the upper ends of the rods B2 B3 by means of nuts Bf. The cross-bar B5 has a central hub B, which is bored substantially parallel with the cutter-shaft A5 to receive a rock-shaft B7. (See Fig. 9.) On the front end of the rock-shaft is loosely mounted a gage-carrier B, which, as herein shown, has three arms .72 b2. rlhe arms b2 carry gages adapted for use in trimming different parts of a shoe, and the rock-shaft may be moved to bring either of said arms or b2 into position to present the gage carried thereby in operative relation to the cutter.

The gage-carrier is adjustably secured in angular position and is adjusted longitudinally on the shaft B7 by the following means: 7)* indicates an arm extended from a collar adjustably secured to the shaft B7 by a set-screw 5X. (See Figs. 6 and 7.) The arm b* has a lateral extension which is received between two guide-lugs b" on the side of the arm of the gage-carrier.

By adjusting the collar rresina and arm b about the shaft'the gage-carrier B may be secured in the desired angular position on the shaft. A rod 7) is detachably secured at one end in the arm b by a lockingpin b, the rod being provided with a notch 3, which is entered by the locking-pin. The lockingpin also has a notch b1, (see Fig. 8,) and the pin may be turned by means of a handle b1 to bring said notch into alinement with the rod b to permit the rod to be removed from the arm bf. rlhe rod b projects through an opening in the arm b of the gagecarrier B, and said gage-carrier may be ad justed longitudinally of its shaft B7 by means of a nut 58, mounted on the screw-threaded end 2 ofr the rod Z2 and bearing against the arm of the gage-carrier. The gage-carrier is held normally in its outermost position by a spring 57, which is seated in asocket in the arm b and surrounds said rod. The spring bears at one end against said arm I), and at its other end against a collar 4 on the rod b, as shown in Fig. 7. It will be understood that by operating the nut b the gage-carrier may be adjusted in a direction parallel with the cutter-shaft to position the gages nearer to or farther from the cutter, according to the requirements of the work or the size of the cutter, and that by unlocking the rod from the arm Z1* the gage-carrier may be removed entirely from the shaft B7 and from the machine.

The arms b and b2 extend radially from the A hub of the gage-carrier B8 and are bored in the direction of their length. The arm b receives the upper end of a rod C, provided at its lower end with a threaded hole in which is entered a screw C, having an enlarged head beveled at one side (see Fig. 9) and located at the inner side of the rod C, said screw being surrounded by a washer C, beveled at one side, the two bevels leaving a raceway for a series of balls 4, which are surrounded by acircular plate 5, grooved internally, to which is adjustably attached by a screw 6 the slotted shank of a gage D, to be described, which constitutes one of the chief features of this invention. The plate 5 turns freely on the balls, as provided for in my said application.

To adjust the gage vertically in the arm of the gage-carrier B, so that its lower edge may occupy normally the desired position IOO IIO

with relation to the rand-guide, l have provided the upper portion of the rod C with a transverse slot, (see Fig. 9,) which is entered by a crank-pin 7 at the end of a shaft 8, having a hand-wheel 9, said shaft taking its bearing in a clamp 10, having a thread and screwed into a boss 12 on the arm b. By turning the shaft 8 the rod C may be raised or lowered, and it may be clamped in its adjusted position by turning in the clamp lO.

The rod C has a spring-pressed bolt 13, (see Fig. 92) contained in a cross-hole of the rod, which bolt contacting with the carrier acts as a friction device to hold the rod in position, except when turned positively by the adjusting device.

Fig. 10 shows two views of the g'age l) detached. The g'age has a slotted shank supporting at its lower end the foot, having the parts di, rl, and fl", said foot being' j preferably composed of metal which may yield when necessary in use. The gage is of considerable leng'th, extending 'forwardly and backwardly from the central part d, which is adjacent the pointwhere the cutter does l its work in trimming the sole edge. At the end fl this gage has a 11p or projection r/', curved upwardly, as shown. the rounded lower sideof the projection bearing on the edg'e ofV opposite end of the gag'e contact with the edge of the sole and the upper, respectively, onoppositesidesof thevcrtical planein which the face of the cutter rotates, this being' substantially the plane in which the rand-guide rotates in case a rand-guide is used, and that the point where the lip f/i contacts with the sole is at some distance to the rear of where the cutter working, while the point where the cud r/:c engages the upper is at some dis tance in advance of the point where the cutter is operating'. The central part d"y of the gage is at this time preferably not in contact with any part of the shoe, being' located in a plane slightly above the upperwhile the shoe is guided by the parts f/'iand ff, so as to pass over irregularities in the guiding-surface of the upper without engag'ing said irregularities, whereby the shoe is guided by the parts f/'i l!" of the gage while the side of the sole is beingl trimmed.

ln Fig. 1l) I have shown the part (l:g of the gage which runs on the upper next the sole as provided with a separate piece JM, attached to the body of the gage by screws 16, said piece being' made of yielding' material and having' a lip d1, also to engage the edge of the sole, `such lip being' sometimes desirable as, for instance, on patent-leather, to which the part rl of the gage has a tendency to adhere. Using' the lip results in reducing' the friction on the part fl and enables the shoe to be moved freely. In some classes of work, where the sole is rounded or shaped after it has been attached to the shoe, as in s"Goodyear work, it is desirable to g'uide the shoe entirely by the edge of the sole when trimming' the sole on the sides of the shoe, and in such work also the attachment fl is used.

l i l body of the gage, and the material of the gage i maybe more or less yielding', according to the work to be done, the g'ag'e being stitl'er for heavy than for light work.

r1`he lip may be made integral with the g'age` as in Fig'. 11, and for some work said lip may be omitted` as shown in Figs. 1Q and 13, said figures diliering only in that the metal used in the gage shown in Fig. 12 is thicker and stiffer than in Fig. 13, so that one is rigid and the other may yield, either being' used as the necessities of the work requirc.

'lhe edge 5() of the gage will preferably be shaped so as to form a g'uide to engage the welt or the upper surface of the sole next to the upper, and thereby assist in guiding the shoe. Said edge is preferably cutaway somewhat along the central portion d of the gage to accommodate the rand-guide and to permit the workman to see the edge being' trimmed at and just ahead ofthe point where the cutter acts.

W'hen the toe of the sole is being' trimmed, the shoe is guided by contact of the upper with the central portion d" of the gage, as shown in Fig'. 1T, instead of being' guided by contact of the upper and sole with the portions !3 and ([2, respectively, of the gage, as when trimming' the sides. YIn order that the shoe shall be g'nided the right distance from the cutter to secure thedesired relativeamount of projection of the edge at the toe and at the sides of the shoe, the gage may be formed so that the central toe-guiding portion Il stands in a different plane from that in which the g'uiding' portions Il and d are located. This insures that the edge shall project the desired distance beyond the upper at the sides and at the toe, and as the shoe passes gradually from the guidance of the end portions of the gage to the g'uidance of the central portion d as the trimming advances from the sides to the toe, or vice versa, no abrupt change occurs in the amount of projection obtained if the projection is ditl'erent at the toe and at the sides.

Sometimes it is desired by an operator to trim the shank of the sole with the fore-part cutter, although usually a different cutter is employed for trimming' the shank, and l have therefore attached to arm ff of the gage-carrier Bs a shank-gage El. The arm /f is bored to receive the shank of the shank-g'age E, said gage being held in adjusted position by an eccentric shaft 11, having' a head l5 and a clamp 16, these parts being the same in construction and operation as the corresponding parts t5, 9, and 10, employed for adjusting' and securing' the shank of the gage D, and heretofore described in detail.

Vl have provided means for locking the rockshaft B7 in position to present the gage D in operative relation to the cutter, as shown in Figs. '2, 5, b, and 9, and also means for un- -The end Z3 is preferably integral with the l locking` the rock-shaft and turning' it into po- IOO IIO

sition to present the shank-gage E9 to the cutter. The means for locking the rock-shaft comprises a collar E2, fast to the rock-shaft and provided with a lug E, adapted to coperate with a latch Ff. The latch E4 is carried by an arm D9X of a collar D", loose on a rod or shaft D4. 'Ihe rod D4 is supported in an arm BX, projected vertically from the bearing BG of the rock-shaft, and is secured in said arm by a screw D3. A spring D7 for holding the latch E* normally in engagement with the lug E, is mounted on the rod D4 and has one end connected at D8 tothe collar D9 of the latchcarrying arm DQX, the other end of the spring being connected to the collar D. The collar D is adjustably secured on the rod D4 by a screw D5. The means for disengaging the latch from the lug E6 of the rock-shaft and turning said shaft to present the shank-gage E'q in operative relation to the cutter comprises an elbow-lever E, carrying a stud D10 inthe path of the latch-carrying arm DDX. The elbow-lever E is connected at one end by a link E to a lug EZX on the collar E2 of the rock-shaft. The connection between the link and the lug E comprises a pin 112 on the lug, which moves freely in a slot 110 in the link. This provides for a limited amount of lost motion between the lever and the rock-shaft to permit the stud D10 on the lever to move the latch Ff out of engagement with the lug E on the rock-shaft before the lever becomes eective to turn the rock-shaft. The elbow-lever Eis connected by a rod E7 to a treadle Eg, Fig. 1, by which it is actuated to unlock and turn the rock-shaft to bring the shank-gage E9 into operative position. The first portion of the movement of the treadle ES moves the elbow-lever and the latch E* into the position shown in Fig. 3 to unlock the rock-shaft, the lost-motion connection 110 112 permitting this movement to take place without the rockshaft being actuated. The continued movement of the treadle turns the rock-shaft and the gage-carrier B8 from the position shown in Fig. 3 to the position shown in Fig. 11 to move the gage D, supported in the arm b', out of operative position and bring the shankgage E, supported in the arm b2, into operative relation to the cutter. This movement of the rock-shaft takes place against the tension of a returning-spring C, which when the treadle is released raises the treadle and restores the parts to their normal position with the gage D in operative relation tothe cutter. The spring C surrounds the rock-shaft B7 and has oneend secured to a collar C', which is fastened on the bearing B6. The other end of the spring is connected with the arm Z2* of the rock-shaft, as shown in Fig. 6. The extent of the return movement imparted to the rockshaft by the spring C is limited by a stop, shown as a loop ESX, engaging the treadle E8 to limit its rise.

This return movement is just sufiicient to permit the latch E44 to reengage the projection E on the rock-shaft B7, after which the rock-shaft is locked from movement in either direction by the said latch and the stop ESX and remains locked until the latch is again disengaged.

The width of the sole edge left after trimming is determined by the position of the gage with relation to the lower edge of the cutter, and to enable the workman to control the machine for trimming edges, which vary in width at different parts of the shoe, I have made provision for raising and lowering the gagesupporting rock-shaft B7. I do this in the following manner: I surround the sliding shaft B3 with a spiral spring G, which rests at its lower end on a nut G', screwed on said rod, the upper end of said spring meeting the part Bl of the fixed framework, and I provide the rod B2 with an adjustable stop-nut G2. The spring acts to put the gage in its lowest position, and when trimming a sole edge the operator may put his foot on a treadle G3, having attached to it a rod GJ, connected with an arm G5, fast on a short rock-shaft G, extended through the frame A2, said shaft (see Fig. 6, dotted lines) being notched at 22 near its opposite end, so that as said shaft is turned it will meet the lower end of the rod B3 and lift it and the gage, the extent of upward movement of the gage, and consequently the maximum variation in the width of the different parts of the sole edge left after the trimming operation, being determined by the position of the stop-nut G2 on 'the rod B2. This nut may, however, be adjusted to provide for any desired variation in width of the sole edge at different parts of a shoe.

In addition to the shank-gage adapted for use with the fore-part cutter, which enables the workman to trim the shank with the same cutter with which he trims the fore part of the sole, I have equipped the present machine with thel usual separate shank-cutter. The framework, as shown, has suitable bearings for a shaft F, having at one end a belt-pulley F', which is driven by a belt F2, in'turn driven by a pulley F3, fast on the power-shaft A10. The other end of the shaft F is provided with a secondary rotary cutter Fi of usual construction, which may be used when necessary to bevel, trim, or finish the shank of the sole. The cutter F4 is held on the shaft F by a screw 17, and to make it possible for the guard F5 to come close to the face of said cutter I have slotted said guard, as at 18., Fig. 2, said slot being beveled at its inner side, thereby to IOC IOE

adapt it to embrace closely the usual shield Y constitute a guideway Vfor the reception of the upper enu of the guard, the latter having a slot to provide for vertical adjustment.

In the operation of the machine the trimnung is usually started at the junction of the i sole edge with the incurve of the shank. and at the start the end f3 of the gage contacts with the upper at a point behind the cap edge, if the shoe has a toe-cap. The cutter having engaged the sole edge, the operator (see Fig.

lt) moves the shoe in the direction of the ari plained, the cutting-point is at such distance from the contact-surface d that the movement of surface d" over an irregularity, such as the edge of the toe-cap, produces very little effect at the cutting-point. The yielding' character of the gage enables the end portion (/i" to yield somewhat as it moves onto and over an irregularity in the surface of the upper, such as the edge of the toe-cap, and thereby reduces the displacement of the shoe relative tothe cutter, caused by such irregularity. \\'hen the relatively short contact-surface d of the gage passes beyond the edge of the toecap or other irregularity, the gage is no longer in contact with or affected by said irregularity. This is due to the Obliquity relative to the shoe-upper of the plane in which the upper and sole-edge contactingsurfaces d d'l of the gage are located and also to the central part d" of the gage being curved or bowed up, as described, and therefore when the cutter is acting on the part of the sole adjacent i to the end of the toc-cap there is no interrupi tion in the uniform smoothness of the edge which is formed. end /"a leaves the upper, and shortly thereafter the lip Il? leaves the sole edge and the shoe is guided by the central part il" of the gage while the toe is being trimmed. Fig. li.) The location of said central part d" preferably in a different plane Yfrom that in which the contact-surfaces [2 and d are located gives the desired width of projection to the toe relative to that given to the sides l of the sole. The trimming having been carried on about the toe, the end fl of the gage again contacts with the upper, and before the cutter arrives opposite the cap edge the lip di at the other end of the gage also again preferably comes to a bearing on the trimmed sole edge.

Vhen the gage is provided with portions to engage both the upper and the edge of the sole in advance of the point where the cutter acts and it is desired to guide by the upper, as sometimes happens when trimming patentleather shoes, the shoe is held against the As the toe is reached the (See gage with sullicient force to cause the soleedge-engaging portion to yield until the upper-engaging portion contacts lightly with the upper. 'lhis light contact of the gage with the patent-leather upper is suliieient to guide the shoe, but does not produce an objectionable amount of friction or mark the patent-leather.

rlfhe framework in practice will include a bracket HX, provided with a suitable stud I'I, on which may be placed the hub of a cutter the blades of which are to be ground. For this grinding l provide an emery-wheel H, driven by a belt [I2 from a pulley li, fast on the rear end of the cutter-shaft Ai. The stud I'I made adjustable by a clamp-nut l'l in a slot Il of an arm Il?, pivoted at i'l' to the bracket HX, said arm being held in any desired position by a clamp-nut HJ on its pivotpin HS. The arm l'lT may be adjusted about the pivot Hs by an adjusting-screw Hl", the end of which is represented as abutting against a stop H on the side of the bracket II. (See Figs. Q and (5.) The adjustment mentioned provides for cutters of varyingdiameters and enables the grinding to follow any desired bevel. Also when the arm HT has been moved from its normal position to enable a shankcutter to be ground its normal position can be again found by the screw H", the prior adjustment of which will not have been distu rbed. In this operation the screw Hwserves as a stop.

\\'hile I have shown my improved gage as comprising contact-surfaces formed on an integral gage member made of yielding mate-" rial, it is to be understood that said contactsurfaces might be formed on parts which were non-integral and one or more of which might yield independently of the other parts.

l have shown and described my improved gage as used for guiding the shoe as it is presented to a rotarysole-edge trimmer; but the gage is applicable to other uses than that referred to, and my invention is not limited to the use of the gage in conjunction with any specilic tool for operating' on the work guided thereby, and while in certain of the annexed claims l have recited combinations of my gage with a cutter l desire it to be understood that any other tool for operating on the work which is guided by the gage is the equivalent in said combinations of the cutter referred to.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-

l. In a machine of the class described, an edge-trimming cutter, and a gage having a contact-surface to engage the upper in advance of the cutting-point, and a contact-surface to engage the edge of the sole in therear of the cutting-point.

Q. AIn a machine ofV the class describe-d, a

i cutter, combined with a gage having' a conl tact-surface to engage the edge of the sole of lOO IIO

the shoe being' trimmed, and having a contact-surface to engage the upper, said points of engagement being one in front ot' and the other in rear of the point where the cutter acts on the sole.

3. In a machine of the class described, an ed ge-trimming cutter, a pivoted yielding gage having its ends extended for a considerable distance in front of and behind the cuttingpoint, one end of said gage contacting 'with the upper and the other with the sole edge.

4. The combination with an edge-trim ming cutter, of a gage having contact-surfaces to engage the shoe in front of and behind the cutter, one of said contact-surfaces engaging the edge or' the sole and the other contactsurface engaging the upper.

5. The combination with an edge-trimming cutter, of a gage shapedA to act against the sole edge and the upper at a distance from the cutting-point and at the opposite sides of the plane in which the face of the cutter rotates.

6. In a machine of the class described, an edge-trimming cutter, a gage extended forwardly and backvvardly from the cuttingpoint, one end of said gage being extended across the plane in which the face of said cutter rotates\to rest on a trimmed part of the sole edge, the opposite end of said gage contacting with the upper at a point adjacent to an untrimmed part of the sole.

7. In a machine of the class described, a cutter, a rand-guide and a gage having contact-surfaces to engage the upper and the edge pf the sole, and also a surface to engage the side of the sole adjacent to the upper.

8. In a machine of the class described, an edge-trimming cutter, and a gage having contact-surfaces to engage the shoe in front of and behind the cutting-point, one or' said contact-surfaces engaging the edge of the sole and the other contact-surface engaging the upper, said gage also having a guide to engage the side or' the sole adjacent to the upper.

9. In a machine of the class described, a rotatable cutter, a Vgage extended forwardly and backwardlyfrom the cutting-point otl the cutter, one end of said gage being extended across the plane in which the face or' the cutter rotates to rest on a trimmed part of the sole edge, the opposite end of said gage contacting with the upper at a point adjacent to an untrimmed part of the sole, said gage having a Jface to engage the side of the sole next the upper. Y

10. In a machine of the class described, a gage having contact-surfaces to engage the upper and also the edge of the sole said gage being recessed to expose the work to the view of the operator.

11. In a machine of the class described, a rotatable cutter, a gage extended forwardly and backward] y from the cutting-point of the cutter, one end of said gage resting on the sole edge, the opposit end or' said gage bear- 12. In a machine of the cla-ss described, an edge-trimmingcutter and a gage having contact-surfaces to engage the shoe in `t'ront of and behind the cutting-point, one of said contactsurfaces engaging the edge of the sole and the other contact-surface engaging the upper, the portion ot' the gage engaging the upper being curved.

13. In a machine of the class described, a rotatable cutter, a gage extended 'forwardly and backwardl y from the cutting-point of the cutter, one end or' said gage resting on a trimmed part of the sole edge, the opposite end thereof contacting with the upper at a point opposite an untrimmed part of the sole, said gage being curved in the direction of its length, whereby7 only the ends of the gage may contact with the work, leaving the portion of the gage between the ends out of contact with the work.

14. In a machine of the class described, a rotatable cutter, a circular raceway, a carrier surrounding said raceway, and a gage connected with said carrier, said gage being shaped at one end to act on the edge of the sole and at the other end to act on the upper at a distance from the cutting-point of the cutter.

15. In a machine of the class described, an edge-trimming cutter and a gage having a contact-surface on one side of the cutting-point to engage the upper, and having a contactsurface on the other side of said cutting-point to engage the edge of the sole, and means to adjust said gage.

16. In a sole-edge-trimming machine, a rotary cutter, and an edge-gage having a contactsurface engaging the upper in advance ot' the cutting-point and a contact-surface engaging the edge of the sole in the rear of the cuttingpoint, the portion of the gage contacting With the upper being free to yield to any inequalities in the stock.

edge-trimming cutter and a gage having a conto engage the upper, and having a contactsurface on the other side to engage the edge of the sole, and means to vary the position of said gage while the sole is being trimmed to Vary the width of the sole.

18. The combination, with an edge-trimming cutter, of a gage having guiding-surfaces to contact with the upper of the shoe being trimmed in advance of the point Where the cutter acts and to contact with the edge of the sole in advance ot' the point where the cutter acts.

19. The combination, With an edge-trimming cutter, ot' a gage having a portion to engage the edge of the sole in advance or' the point where the cutter acts, and also a porl tion to engage the upper in advance of the ing on the upper, said gage being recessed tov expose the work to the view of the operator.-

17. In a machine ot' the class described, an`

tact-surface on one side of the cutting-point.

IOO

IOS

IIO

point where the cutter acts, said two portions being vieldingly connected. whereby they majY adapt themselves to the varying distances between su rtaces to be engaged.

2U. 'l`he combination, with an edge-trimming cutter, oll a gage having' a portion to engage the upper and the edge ot' the sole ot' the shoe being trimmed in advance ot' the point where the cutter acts, and a portion to engage the sole in the rear ot the point where the cutter acts.

2l. ln a machine ot the class described, a cutter and a gage comprising a portion to contact with the edge ot` the sole otl the shoe being trimmed in the rear ot' the cutter, a portion to contact with the upper in advance ot' the cutter, and a detachable member to contact with the edge ot' the sole in advance otI the point where the cutter acts.

In a machine ot' the class described, a cutter and a gage, said gage comprising a contact-surface to engage the edge otl the sole in advance ot' the cutter, and a contact-surface to engage the edg'e ot the sole in the rearot' the cutter, said g'age being' eut away or notched between said contact-surfaces to give elearance t'or the cutter.

23. ln a machine ot' the class (ilescribed, a gage having contact-surfaces to engag'e simultaneousl v the upper and also the edge ot' the sole ot' a shoe being trimmed, and another contact-surface to engage the upper when the toe ot' the sole is being trimmed.

Qi. ln a machine ot' the class described. a gage comprising contact-surfaces to engage simultaneously the upper and the edge otl the sole ot a shoe being' trinuned, and a contactsurface intermediate said first-mentioned siii'- t'aces and normalljY out ot engagement with the shoe but adapted to engage the upper when the toe ot the sole is being trimmed.

ln a machine ot the class described, a cutter and a gage comprising a contact-sur- :tace to engage thc upper and a contact-surface to engage simultaneously the edge otl the sole ot a shoe being trimmed, said contact-surfaces being located one in advance ot and the other in the rear ot the point where the cutter acts on the sole, and another contact-surface intermediate said first-mentioned surfaces to engage the shoe when the toe ot' the sole is be ing trimmed.

2o. ln a machine o't the class described, a cutter and a gage comprising a contact-sur tace to engage the upper ot' the shoe being' trimmed on one side ot' the point where the cutter acts, and a contact-surface to engage the edge ot t-he sole on the other side ot' the point where the cutter acts, in combination with a contact-surface located adjacent the point where the cutter acts and adapted to contact with the upper when the toe otI the solo is being' trimmed. i

2T. ln a machine ol" the class described, a cutter and a gage com prising contact-surfaces to engage the shoe in Vfront and in the rear ot' the point where the cutter acts, and another contzu't-surt'ace intermediate said iirst-mentioned surfaces and normally out ot' engagement with the shoe, said intermediate contactsurface heilig' adapted to guide the shoe when the toe ot' the sole is being' trimmed.

Q8. In a machine ot' the class described, a cutter and a gage comprising contactsurfaces to guide the shoe while the sides ot the sole are being' trimmed, and another contact-surt'ace in a diti'erent plane t'rom that in which said lirst-mentioned surfaces are located to guidethe shoe while the toe is being trimmed.

Q9. Vln a machine ot' the class described, a cutter and a gage provided with contact-surt'aces to engage the slice being trimmed in advance ot` and in the rear ot' the point where the cutter acts, and being' provided between said contact-surfaces with a surt'aee located in a higher plane than the said contact-surfaces and adapted to pass over irregularities in the guiding-surface ot' the shoe without engaging' such irregularities, as and t'or the purpose described.

30. ln a machine of the class described, a cutter, a gage comprising guiding-surfaces to contact, one with the upper of the shoe being operated upon and the other with the edge of the sole, when the side edges ot' the sole are presented to the cutter, said guiding-surfaces being located one in advance ot' and the other in the rear ot' thecutter, and another guidil'igsurface to contact with the upper adjacent the point where the cutter acts when the toe ot the sole is heilig' trimmed, said last-named contact-surface being located in a dili'erent plane t'rom that in which the lrst-mentioned surfaces are located, wherebjr the shoe is guided the desired distance t'rom the cutter while the ditt'erent parts ot' the sole are being trimmed.

3l. In a machine ol the class described, a rotarjv cutter, a gage, a support for said gag'e, a stem on said support, means to engage said stem and adjust the gage transversely ot' the axis ot the cutter, and means to clamp said stem to hold the gage in adjusted position.

32. ln a machine ot' the class described, a rotary cutter, a gage, a support for said gage, a stem on said support, means to engage said stein and adjust the gage transversely ot' the axis ot the cutter, and means to clamp said stem to hold the gage in adjusted position, in combination with means to adjust said gage longitudinalljY ol' the axis otl the cutter.

33. In a machine ot' the class described, the combination with a rotaryv cutter, ot' a support, a gage-carrier angularly adjustable about said support, a gage adjustablj' sustained b v said gage-carrier, and means for securing the gage in adjusted position in the gage-carrier, substantially as described.

3i. ln a machine ot' the class described, a gage-(mrrier, a plurality of gages mounted IOO ISO

with one l Ymeans to limit the movement imparted by said returning-spring, said limiting' means coperating with said latch to lock said carrier against movement in either direction.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

BENJAMIN F. MAYO.

Iitnesses:

NELSON W. HOWARD, EDWARD H. PALMER.

Images