US2263682A - Machine for finishing shoe parts - Google Patents

Description

Nov. 2 5, 1941 w. T. MINETT MACHINE FOR FINISHING SHOE PARTS Filed June 28, 1940 5 Sheets- Sheet l Nov. 25, 1941. w. T. MINETT MACHINE FOR FINISHING SP IOE PARTS 5 SheetS -Sheet 2 Fi led June 28, 1940 Q A s whim ALE/V715;

Nov. 25, 1941. w. T. MlNETT MACHINE FOR FINISHING SHOE PARTS 5 Sheets-Sheet 3 Filed June 28, 1940 Nov. 25, 1941.

w. T. MINETT MACHINEFOR FINISHING SHOE PARTS 5 Sheets-Sheet 4 Filed June 28, 1940 Nov. 25, 1941. w. T. MINETT 2,263,682

' I MACHINE FOR FINI SHING' SHOE PARTS Filed June 28, 1940 5 Sheets-Sheet 5 Figt5 Patented Nov. 25, 1941 UNITED STATES PAT-EN T OFFICE MACHINE FOR FINISHING SHOE :TPARTS Wilfrid Thomas Minett, Leicester, England, as-

signor to United Shoe Machinery Corporation, Borough of Flemington, N. J., a corporation of New Jersey Application June28, 1940, Serial No, 342,958 In Great Britain .July29, 1939 22 Claims.

heel, and also having a plurality .of finishingt'ools for completing the finishing operation on the shoe part after the applicationof the Wax therepolishing pad and finishing brush, and the substitution of others appropriate for the new color of material, but also a considerable delay consequent to the heating of the substituted applying .roll to operating temperature where the finish- -ing material, hereinafter referred to as wax, is of a character to require application in the heated state, as is the case with finishingwaxes usually employed. Further delay isalso'involved in waiting for a heated roll to 'cool down sufiiciently to be handled.

It is, therefore, an object of this invention to provide an improved machine of the type mentioned above which is capable of convenient operation to finish shoe parts with a particular color of finishing material and to permit a change-over from one color of material .to another in a quick and efficient manner.

With this object in view, there is provided as animportant feature of this invention a machine having a plurality of wax-applying rolls'which are alternatively movable to operative position on the machine and preferably in substantial alinement with the Working plane of other shafts arranged selectively to receive finishing tools appropriate for completing the finishing operation after the application of wax "by ane one of the applying rolls, so as to place the applying roll in use conveniently adjacent to the other finishing tools, thus facilitating the successive use of the applying :roll and finishing tools by the operator.

Further, with the attainment .of this-o'bject in view, there is provided, as an additional feature of this invention, a-wax-applying means comprising a pair of separate applying rolls, 'operatively mounted for alternative swinging movement to the same operative position on the machine in a carrier having casings partially surrounding the rolls and including heating elements which.

are selectively and independently operable 'so that the .rolls can be heated during useandalso ,prior to .a change-over from one roll to the other,

and means, individual to each roll, forselectively feeding heated wax of a particular color thereto.

In another aspect, features of this invention include the construction and arrangement of the carrier casings and the individual wax-feeding jtrative embodiments, described below, these -.cas- Sings are rotatably mounted .on the :carrier and are .automatically held in the same orientation with respect to the frame in such a manner that the rolls are suitably .exposedofor use when swung to their operative position, while in the other embodiment these casings areformed integrally with the carrier .and positioned sojas to present the rolls through open sides when in operative position. In the latter embodiment the heating elements are adjustable with respect to the periphery of the rolls, .and means arealso provided to prevent inadvertent use of the wrong waxsupply'ing means with .a particular applying =roll. In both of the illustrative embodiments the applying rolls are .driven from a common power source and are continuously operated while the machine is in use, and means are providedofor locating and locking the carrier with either of the two rolls in operative position.

These as well as other objects and features of this invention will appear from the following-detailed description of two illustrative embodiments of the invention, when considered with the accompanying drawings, and will be-pointed out in the appended claims.

.In the drawings:

Fig. 1 is a front elevational view of an illustrative machine, part of the frame being broken away;

Fig. 2 is aplan view of the machine;

.Fig. 2a is a diagram of .an electrical circuit .used in the machine;

Fig. 3 is a right-hand side elevational View,

partly in section and partly broken away of a portion of the machine;

Fig. 4 is a side elevational view of a portion of a modified machine; and

Fig. is a front elevational view of parts seen in Fig. 4.

The machine shown in Figs. 1, 2 and 3 is provided with a main frame comprising side portions I spaced apart by a front plate 3, a top casting 5 and a strut 1 (Fig. 2) at the rear of the machine and secured to the side portions of the frame near to the base thereof. Secured to the top casting and upstanding therefrom is a forwardly and rearwardly extending casting 9 having an extending portion l9 providing a bearing in which is journaled a horizontal shaft l3 (Fig. 3) extending transversely of the machine. A portion of this extending portion is turned on its outer cylindrical face to form an external bearing l5 on which is journaled a carrier bracket H, a boss on the carrier bracket engaging over said cylindrical face. The carrier bracket, viewed from the right-hand side of the machine as in Fig. 3, is approximately of triangular shape and is journalled on the bearing l5 near one apex of the triangle. The carrier bracket is in the form of a hollow casting, having walls l9 extending to the right of the machine along the sides of said triangle and is provided with a cover plate 2| 7 (Figs. 1 and 2) which is secured to outer ends,

of said walls by screws.

At locations near each of its other two apexes the carrier bracket is provided with hearing bosses 25, 25, extending to the left of the machine from said carrier bracket, each receiving a hollow boss applying roll 3|. Each casing 29 partially surrounds the corresponding roll 3| (see Fig. 3). Keyed onto the other end portion of each of the shafts 33, 33 and within the hollow casting of the carrier bracket I! is a sprocket Wheel 35.

The keying of the sprocket wheels 35, 35 to the shafts 33 enables these shafts to be partially withdrawn from their bearings in the bosses 21, 21 to permit removal of the wax-applying rolls 3|, 3| from the machine when so desired, and knurled heads 36, 36 are provided to facilitate 1 their withdrawal.

The sprocket wheels 35, 35 are both driven by a chain 31 which passes over a driving sprocket wheel 39 (Fig. 3) secured to the outer end portion of the shaft l3. of the shaft I3 is provided with a pulley 4! (Fig. 2) driven at a reduced rate by belting 43 from a pulley 45 on an intermediate shaft 41 journaled in a portion 49 of the machine frame and extending transversely of the machine (Fig. 1). This intermediate shaft 41 is driven by the belt 41", also at a reduced rate, from a main shaft 5| (Fig. 2) of the machine which in turn may be driven by an electric motor or from some convenient external source of power. Thus the waxapplying rolls are continuously driven when the shaft 5| is rotated.

The carrier bracket I! is swingable about its bearing |5 by means of a handle 53 to bring either one of the wax-applying rolls 3!, 3| alternatively into the same operative position at the front of the machine where the roll is substantially in alinement with other finishing tools, namely a polishing roll MI and a finishing brush 111, for completing the finishing operation after The other end portion the application of wax (Fig. 1). When the lowermost wax-applying roll 3| is in operative position one side of a stop 55 on the casting 9 engages a projection 5'! on the corresponding casing 29 (Fig. 1), and the carrier bracket may be locked in this position by means of a locking bolt 59 extending through a portion of the casting 9 and engaging a threaded bore 6| in the casing 29 (Fig. 3) just referred to. To bring the uppermost wax-applying roll 3| into operative position the bolt 59 is withdrawn and the carrier bracket swung so as to move the lowermost waxapplying roll rearwardly and downwardly while the uppermost wax-applying roll is moved downwardly and forwardly of the machine to said operative position. This position of the carrier bracket is determined by the opposite side of the stop 55 engaging a projection 63 (Fig. 1) on the casing 29 of l the uppermost wax-applying roll, and the carrier bracket is locked in this position by the locking bolt 59 engaging a threaded bore (similar to the bore 6 in this casing.

The weight of the carrier bracket and the parts supported thereon is at least partially balanced,

about the pivot of the carrier bracket, by means of a spring 64 housed in a tubular casing 61, a lower end portion of which is mounted on a horizontal pivot 69 near the base of the machine frame to permit of rocking movement of the casing as the carrier bracket is moved, as above described. One end portion of this spring is attached to an arm H on the carrier bracket and the other end portion of the spring is anchored within the tubular casing 61 to th horizontal pivot 69 (Fig. 2).

As the wax-applying rolls are used to spread heated wax, means are provided for heating these rolls. Within each of the casings 29, 29 is supported a heating unit 13 (Fig. 3) which surrounds the rearward portion and part of the side portions of the corresponding wax-applying roll. In each heating unit are arranged electrical heating elements 15 for heating the roll. Each heating unit 13 is arranged as near its wax-applying roll as is practicable to ensure amaximum heating efiect. Electric current is supplied to the elements 15 through wires 11 etc. The temperature of the wax-applying rolls may be controlled by means of a manually adjustable rheostat (not shown) included in the electric circuit supplying the heating elements.

Each of the wax-applying rolls is provided with a wax-distributing and conforming roll 9|. These rolls are freely rotatable on eccentric portions of spindles 93, 93 rotatably mounted in end portions of the casings 29, 29. Each spindle may be rotated to move the wax-distributing roll carried thereby into engagement with its associated wax-applying roll 3| and may be locked, by means of a plunger 34 engaging one of a series of holes 96 in the casing 29, so that its wax-distributing roll 9| is pressed against the wax-applying roll. In addition to distributing wax on the rolls 3| 3| the rolls 9|, 9| act to restore the shape of the former if they become deformed by pressure of work urged against them during the operation of the machine. A wax-collecting trough 98 secured to each casing29 is provided to collect any surplus wax which may drip from the roll 3|. Each wax-distributing roll 9| is heated by means of an element in the spindle 93, which heating element is connected in the same circuit with elements 15, 15. A shield 92 is arranged over each In order to preserve the orientation of each machine frame.

2,263,682 c sing 15 and he partssupported thereon with respect to the machine frameand horizontal axis of the shaft 33 of its wax-applying roll 3|, no

matter what position the carrier bracket I1 ocquadrant am being that of the respective wax- .applying ,roll 3|. 1E'ach of the quadrant arms 91 engages a separate idler pinion 9.9 freely mounted on separate studs IIlI n the carrier bracket. These pinions mesh with a semicircular toothed quadrant arm I03secured tothe extending portion ID of the casting 9, which formsa part of the The radii ofthe various toothed :armsare equal so that, asthe carrier bracketis swung about its pivot toIbring-one or other of the waxeapplying rolls 3|, 3| intooperative position, eachidlerpinion 99 iscaused to rotate as it moves in engagement withthe toothed arm I03 and thus causes1therespective quadrant arm 91 with which vit engages to so rotate the casing 29, to which that lationship with the appropriate wax-applying roll when .the latter is in operative position. 'Each wax pot comprises a generally rectangular receptacle which is electrically heated by means of heating elements III carried in a lower portion of the .wax p ot and is provided with a thermostat I I3, also carried in said lower portion of the wax pot, to control the temperature of wax placed in the wax pot. This thermostatic control of the temperature of the wax prevents the wax from being overheated to such an extent that it boils and forms wasteful and objectionable fumes.

Th'eheating elements for one of the wax-applying rolls, including both the elements '15, and element95, and the element I I I for the corresponding wax pot, constitute a group of units whichare connected by appropriate cables and connections, the elements for the wax-applying roll via the rheostat aforesaid and those for the wax pot including the said thermostat, to a suitable switch (not shown). The heating elements of the other wax-applying roll and its wax pot constitute another group of units which are similarlyconnect'ed to a second switch (not-shown) In Fig. 2a there is shown a diagram ofa suitable electric circuit for supplying current to theseveral heating units in the foregoing manner. It is thus possible to have both wax-applying rolls and both wax pots'heated continuously whenfrequent change-over from one to the other is required, or to have only one wax-applying roll and the corresponding wax pot heatedif so desired, for example, when the change-over is less frequent. In the latter case the operator will usually at sometime before such changeover is required switch on the heating of the other waxapplying roll and wax pot so that when said change-over is effected this roll will be sufiiciently heated satisfactorily to apply wax to the edge face of a heel; In this manner delay consequent to waiting for awax-applying roll and itsgassociated parts to become heated is avoided.

rI-E Each wax pot is provided with a depending spout I2I in which is apassage I23 through which wax is delivered to the .waxeapplying roll at the will ;of the operator under control of a waxspotting device. comprising a spring-pressed plunger I25 .(Eig. 3,) which normally closesthe passage I23 which communicates with the receptacleof the wax pot, but which, on pressure applied to it against the action of it spring I21, moves to open the passage I23 and ailows wax. to besupplied to the wax-applying roll. The member I'G1is maintained with one or other of the wax spots I65 zin-wax-supplying position by means of a spring-pressed plunger I29 mounted in the memberand arranged to engage in appropriate depressions I3,I in the casting 9. Each wax pot is providedwith a cover plate I33 swingable ,between positions in which the wax receptacle is open orclosed.

With the mechanism above described it is poss bleto apply heated Wax'of one of two colors to ashoepart and to readily change over from one color :to another without loss of time. To take advantage of these features and to adapt the machine ,for completin the finishing operation after wax of either of the two colors has been applied, the machine is provided with finishing tools which are readily replaceable.

5A polishing roll MI (Figs. -1 and2) is detach- ,ahlysecured-to a horizontal shaft I43 extending transversely-of the machine, and parallel to and at least substantially in the same horizontal plane asithe shaft I3ancl theaXiS of the wa pp y roll whichisin operative position. Thispshaft is journaled in a bearing I45 formed in the casting 5, the polishing roll being ,detachably secured, in any desired manner, to a portion of the shaft extending to the left of the casting 9, when looked at from the front of the machine as in Fig. {1, and ,isprovided with a sprocket wheel I41 ,F ig.'2) driven at a reduced-speed by chain drive I49 from an intermediate shaft I5I journaled in the machine frame and extending transversely thereof. shaft .I5I is also driven at a reduced speed byabelt I50 and pulley drive from the shaft 5!, The shaft I43 is retained in its bearing ,I I5'by means of a right-hand end surface of the hub of itssprocket wheel I41 engaging a faceon the left-hand side of the bearing I45 and by a :Washerldfi secured to the right-hand end ofsaid shaft and engaging the right-hand face of saidhearing.

The polishing roll I4;I is partially surrounded by means of a hood I51 connected, through a duct I59 (Fig. 1), to dust-extracting meanscomprising a fan (not shown) but mountedon the frame of the machineanddriven from the main shaft-5| by belting I63. The hood I51 has a portion I adjacent to the right-hand side of the polishing roll which is fixed in position to the machine frame, a curved portion I61, also fixed, which surrounds the rearward part of the periphery of the roll and a portion I59, adjacent to the left-hand side of the roll, which is readily swingable, to facilitate removal of the polishing .roll, about a pivot stud I1I mounted in'the fixed portion :Ifi1 of the hood at a location beneath the axis of the roll. This movable portion I59 of the hood is held in normal position by means of a spring catch I13. To remove the polishing roll I4I from its shaft I43, the portion I59 of the hood is moved to allow the roll to be withdrawn from its shaft.

The machine is also provided with a readily replaceable polishing brush I11 mounted in a casting I8l secured to the top casting of the machine frame. The polishing brush I1! is secured with capacity for ready removal therefrom to the left-hand end portion of the shaft I83 journaled in bearings in the casting NH. The shaft I83 is disposed at an angle to the shaft I 3 when considered in plan View as seen in Fig. 2, and extends forwardly and toward the left-hand side of the machine. The polishing brush is partially surrounded by means of a hood I81 substantially similar to that described with reference to the wax-polishing roll and this hood is also connected to the dust-extracting means of the machine. The polishing brush ITI is driven by belt and pulley drive from the main shaft of the machine at a speed slightly greater than that of the main shaft, the belt I89 passing over idler pulleys one of which is shown at I9! mounted on pivot studs in the machine frame with capacity for angular adjustment in such a way as to take care of the angular relationship between the polishing brush shaft and the main shaft. The polishing brush I'II may be readily removed from its shaft by slackening a set screw with which the brush is secured to its shaft and withdrawing the brush from the shaft after moving the swingable side portion of its hood out of the path of the brush.

Mounted on a shaft I85, arranged above and parallel to the shaft I83, is a seat wheeling tool I19 driven, at a speed substantially equal to or slightly greater than that of the main shaft, by means of belt and pulley drive from the intermediate shaft I5I, the belt I93 passing over an angularly disposed idler pulley I95 to take care of the angular relationship of the seat wheeling tool shaft and the second intermediate shaft. The seat wheeling tool is heated frictionally by means of a friction clamp I91 engaging its shaft I85 at a location near to the seat wheel, the pressure exerted by the clamp on the shaft being adjustable by means of a thumb nut I99 and which clamp is mounted on an upstanding arm I99 fixed in the portion of the casting I8I in which the seat Wheeling tool shaft is journaled. The seat wheeling tool is removed from its shaft when required (as when changing to a tool of different shape) by unscrewing a bolt I92 which retains the tool on the end of the shaft and withdrawing the tool from the shaft. Spare seat wheeling tools of different patterns or shapes may be kept hot by supporting them on small pins I94 upstanding from the wax-pot cover plates I33.

When operating the machine which has just been described for finishing the edge face of heels of a particular color, the operator will bring the appropriate wax-applying roll 3| and appropriate wax pot I95 into operative position and will provide the machine with a polishing roll MI and polishing brush IT! for use with that color. The heel is then treated in the usual manner of operation of machines of this type, being first presented to the selected wax-applying roll 3I, which has previously been heated and supplied with wax from the selected heated wax pot in use, for the application of wax to the edge face of the heel. Next, by moving the shoe slightly to the left the waxed face of the heel is presented to the polishing roll MI and then by a further movement to the left the edge face of the heel to the finishing brush II'I, which brushes and further polishes that face. The heel is finally placed against the seat-wheeling tool I19 and manipulated about the tool so as to form indentations on its edge near to its seat face and to smooth and iron the edge face adjacent to the indentations in the usual manner.

When occasion arises for changing from finishing with wax of one color which, for example, has been applied by the lowermost wax-applying roll, to finishing with wax of a different color, to be applied by the uppermost wax-applying roll, the operator will first of all swing the wax pot carrier arm I 81 slightly, in a clockwise direction as seen in Fig. 2, to a position in which the spout I2! of the forward wax pot will be clear of the uppermost wax-applying roll as he swings the carrier bracket I! about its pivot (after releasing the locking bolt 59) to bring the uppermost wax-applying roll into operative position, the bracket I'I then being locked in this position by the bolt 59. The operator will then swing the carrier arm !91 in an anticlockwise direction as seen in Fig. 2 to bring the other wax pot into position to supply wax to the wax-applying roll now in operative position. When the operator wishes to change back again to use the lowermost wax-applying roll he will go through the abovedescribed operations in reverse order.

The operator will usually place a loose cover I99 around the forward portion of the waxapplying roll not in operative position to minimize loss of heat from that roll, the cover being supported on pins (one being shown at I98 in Fig. 3) secured in the casings 29. This cover will also be used to conserve heat when heating up that one of the rolls which it is desired to use first after the machine has been standing idle for a period, or when heating one of the rolls prior to an anticipated change-over from one color to another.

It willbe observed that by the arrangement of the finishing tools MI and I'll in a generally common operating zone or plane at the front of the machine the several finishing steps can be accomplished with a minimum of physical effort on the part of the operator and, since the operative position on the machine which is occupied alternatively by the two wax-applying rolls lies in this common operating zone or plane and also at the front of the machine, that this convenience of operation extends to the wax-applying step, regardless of which applying roll is in use. As explained above, the heating units associated with each applying roll and its wax pot are selectively and independently operable, thus'providing complete flexibility of control for heating the applying rolls while in use or in inoperative position.

Referring now to Figs. 4 and 5, a slightly modified two-color wax-applying mechanism will be described. As the remainder of the machine is unchanged, these figures show only the righthand end thereof, and the description is likewise limited.

This modified machine comprises a frame having side portions similar to those of the machine first described, one of which is shown at ZUI in Figs. 4 and 5, and a casting 293, secured to upper end portions of the side portions ZOI and having, at a right-hand end thereof, an upstanding portion 295. The machine now being described is provided with finishing tools, including a polishing roll, a polishing brush and a seat-wheeling tool, mounted in the machine for ready replacement in a manner at least substantially similar to that of the machine described above, and has two wax-applying rolls 201, 201 arranged so that either of the rolls may be brought into operative position at the front of the machine and conaaoacsa veniently adjacent to the finishing tools for applying wax of appropriate color tothe heel o'fa shoe presented thereto.

A carrier bracket 259, of approximately reversed-S shapahasa boss 2! i which is journaled on a sleeve fl t-3, projecting horizontally to the right-hand side of the machine frornthe casting 2M, and may be swung on sleeve 2E3 to bring each of the rolls 2%; Zil'l alternatively into operative position. carrier bracket is hollow and is arranged partially to surround the wax-applying. rolls 207, 291- awall the separating theporhon-surroundingone of the rolls from theportion surrounding the other or the rolls. Removable drip pans are provided for use with the roll in operative position, one of these pans being shown at 2st; The rolls 267,267 are mounted on separate shafts 2H5, 2H5 journaledin bearings 2H, 211' in the carrier bracket 2&9; Sprocket wheels 249 are keyed onto right-hand end portions of the shafts 215' in a similar manner, and for a similar purpose, to the sprocket wheels 35 described above. The sprocket wheels 219 are driven by chains 2 2i from sprocket wheels 223 secured to a shaft 225 journaled in, the sleeve member 25-3; The sprocket wheels and chains are completely enclosed in a hollow casing comprising two portions 221, 229 (Fig. 4) secured by bolts passing through lugs 23 I in the portion 22'! into lugs 233' projecting from the bearingsv 2|! (Fig.5 The portion-229 is. secured to the portion 227 with capacity for ready removal therefrom by screws 235. The shaft 225 has a sprocket wheel 23'! secured thereto driven by a chain 239 from a sprocket wheel 24-! secured to a horizontal shaft 2E3 journaled in bearings in the casting 293 and driven by belt and pulley drive 245 from a main shaft, not shown, but similar to the shaft 5| described above" with reference to thefirst machine.

The carrier bracket 209 may be swung, by means ofa handle 248 secured to the carrier bracket, through 180 about the sleeve 213 to bring one or the other of the wax-applying rolls 261, 201 into operative position at the front of the machine and in substantial alinement with the other finishingtools with which this machine is provided as above explained. When one of the rolls 261' is in operative position a" stop 229 on. the carrier bracket is in engagement with a stop 25! in the portion 265 of the casting 263 and when the other or the rolls is in operative position a step 253 (Fig; 4') on the bracket 209 is in engagement'with the stop 25!. The carrier bracket is locked in position with one or the other of the wax-applying rolls in operative position by means of a locking bolt 255, similar to the bolt 59 described above.

The wax-applying rolls 261, 201 are heatedby means of electric heating elements 26!, 26l mounted in heating units 263, 263 arranged partially to surround the rolls 2G1, 267. These units are mounted within the carrier bracket 28!! and are adjustable; so that the distance between the arcuate slots 269, 269" concentric with the axes of pivot studs'2'65', 265 in the carrier bracket, and are threaded'into the secondary casings 263, 263. The casings 263, 263 are clamp-ed in adjusted position by rotating the thumb screws 261 261 until enlarged portions fl l, 211 engage the carrier bracket 209. The heating elements are connected by means of cables 21-3,; 213 to a suitable source of electric current through rheostats (not shown), there being one rheostat for each roll by which the temperature of the roll can be adjusted. The adjustment of distance between the heating elements and the rolls 20'! is provided to enable the heater to be brought as close as possible to the rolls when heating the rolls up from the cold state and also to allow the heaters to to feed wax ofapprop'riate color to its associated. wax-applying. roll 26''. A spring-pressed plunger 282 engages one or the other of twolo eating recesses 286, 286 on portion 205 when either of the wax pots is in feeding. position. Associated with the wax-applying rolls 261,207 are wax-distributing and conforming rolls 2'85, 285, adjustably mounted on-the carrierbracket and corresponding both in construction and mode of operation totherolls 9i, 9'! above described. In. order to guard against the inadvertent use of the wrong waxpot with either of the wax-applying rolls, the following'arrangement is provided. g k

The member 283i has two arms 28?,- 288, one associated with each wax pot, projecting outwardly and symmetrically from-opposite sidesthereof. Secured to the carrier bracket 209 and. associated with one of the wax-ap lying rolls is an arm 289, and a second arm; 29! is secured to the carrier bracket and associated with the oth'er'Wax-applying' roll. The arms 289and 29! are unsymmetrically arranged on the carrier bracket, as will be evident from an inspection of Fi 4.

With the uppermost wax-applying roll, as seen in Figs. 4 and 5, in operative position, the arm 28!! occupies the position shown, .andf'the correct wax pot is in wax-supplying relationship" with this roll when the arm 281, associated with this gwax pot, ispositioned behind the arm 289 and with the plunger'282 engaging. one of the recesses 2'86, 286. If the operator attempts to bring the other wax pot into position to supply wax to. the wax-applying roll now in operative position he will not be able todo this since the arms 281 and 289 will prevent swinging movement of the wax pots in one direction and the arm 288' will engage the front side of the arm 239, to hold this other wax pot out of wax-applying position, if the wax pots are swung in the opposite direction.

When the lowermost wax-applying roll is brought into operative position, by swinging the carrier bracket in a clockwise direction as looked at in Fig: 4; stop-25fand projection 249 preventing' movement in the opposite direction, the arm 29 I will then occupy a position rearwardly of the position occupied by arm 289 and now thewax pot for this roll will be positioned by swinging the wax pots on stud 284 so that the arm 288,

associated with this wax pot; is just in front of the arm 29l and the plunger 282 brought into engagement with the other of the recesses 286,.

286. If anattempt be made to bring the other Wax pot'irito wax-applying position; by swinging the wax pots about stud 284 in one direction, the arm 28! associated therewith will engage the back side of arm 29! and will hold this other wax pot out of wax-applying position, while arms 288 and NI will prevent swinging movement of the wax pots in the opposite direction. To bring the rolls back into the position shown in Figs. 4 and 5, the carrier bracket must be swung in an anticlockwise direction as seen in Fig. 4 as stop 25! and projection 253 will prevent movement in the opposite direction.

In swinging the carrier bracket 269 to change over from using one of the wax-applying rolls 201 to using the other of these rolls, the arm 289 or the arm 29] will move the arm 23! or the arm 288, respectively, partially to rotate the waxpot carrying member 283 until the arm 289 or the arm 2! rides out of engagement with the arm 28! or the arm 288, respectively. After completion of swinging the carrier bracket 209 the operator will manually complete the rotation of the member 283, initiated by the carrier movement, to bring the correct wax pot into waxsupplying position.

The machine just described operates in the same manner as the first machine, the part being finished first receiving a coating of heated wax of the desired color from one or the other of the wax-applying rolls 201, 201, and thereafter the finishing operation is completed by the readily replaceable tools provided. The changeover to another color is accomplished in the .same manner as in the first machine, and since the wax-applying rolls are arranged to be alternatively brought to the same operative position and in substantial alinement with the other tools, the same convenience of operation is attained. Likewise, the heating units for the wax-applying rolls and their wax pots are arranged in groups for independent and selective operation in the same manner as in the first illustrative machine described above, thus making it possible to bring the idle wax-applying roll up to working temperature before the time of change-over.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. A machine for finishing shoe parts comprising a plurality of devices for applying different kinds of finishing material to a shoe part arranged for alternative movement to an operative position on the machine, means for supplying a particular kind of finishing material to the device which is in the operative position, and means adapted selectively to receive finishing tools appropriate for continuing the finishing operation after finishing material of a particular kind has been applied to the shoe part by any one-of said devices.

2. A machine for finishing shoe parts comprising two rolls for applying different kinds of finishing material to shoe parts arranged for alternative movement to an operative position on the machine, means for supplying a different kind of finishing material to each of said rolls when the roll is in the operative position, and a plurality of driven shafts adapted selectively to receive a series of finishing tools appropriate for completing the finishing operation on a shoe part after finishing material of a particular kind has been applied thereto by either one of said rolls.

3. A machine for finishing shoe parts comprising two rolls for applying a heated finishing material to shoe parts arranged for alternative movement to an operative position on the machine, separate means for supplying heated finishing material of a different color to each of said rolls when the roll is in the operative position, and a plurality of driven shafts adapted selectively to receive finishing tools appropriate for completing the finishing operation on a shoe part after heated finishing material of a particular color has been applied thereto by either one of said rolls.

4. A machine for finishing shoe parts comprising a frame, a polishing-roll shaft and a finishing-brush shaft arranged in substantially the same horizontal working plane at the front of said frame, and two rolls for applying different kinds of finishing material of different colors to shoe parts arranged for alternative movement to an operative position on said machine and in the said working plane, said polishing-roll shaft and said finishing-brush shaft being adapted to receive selectively a polishing roll and a finishing brush appropriate for completing the finishing operation on a shoe part after finishing material of a particular color has been applied thereto by either one of said applying rolls.

5. A machine for finishing shoe parts having, in combination, means for selectively receiving a plurality of different finishing tools appropriate for operating on a shoe part after finishing material of a particular color has been applied thereto, means for selectively applying finishing materials of different colors to shoe parts comprising a plurality of rolls mounted on said machine for alternative movement to an operative position in substantial horizontal alinement with the finishing tools, and separate finishing-material feeding means for each of the rolls, said feeding means each being constructed and arranged for selective positioning in feeding relation with one of the rolls when it is in operative position.

6. A machine for finishing shoe parts having, in combination, means for selectively receiving a plurality of different finishing tools appropriate for operating on a shoe part after heated finishing material of a particular color has been applied thereto, means for selectively applying heated finishing materials of different colors to shoe parts comprising a plurality of rolls mounted on said machine for alternative movement to an operative position in substantial horizontal alinement with the finishing tools, separate finishing material feeding means for each of said rolls, said feeding means each being constructed and arranged for selective positioning in feeding relation with one of the rolls when it is in operative position, and means for heating each of said rolls and each of said separate feeding means, said heating means being arranged so that each of said rolls and its feeding means can be selectively heated regardless of its position and independently of the other roll and its feeding means.

'7. In a finishing machine having a frame and a driven finishing tool shaft, the combination of a wax-applying means comprising a pair of wax-applying rolls, and means for mounting said rolls on the frame for alternative movement to the same operative position adjacent to the finishing tool shaft.

8. In a machine for finishing shoe parts having a driven finishing tool shaft, the combinacent to the finishing tool" shaft, and means for locating and locking: said carrier when either of therolls is in. said operative position.

1'0. In a finishing machine having a frame and a driven finishing tool shaft, the combination of means for applying differently colored finishing waxes to shoe parts comprising a pair of wax-applying rolls, a carrier for said rolls pivotally mounted on said frame for swinging movement about a horizontal axis to alternatively present said rolls to the same operative position adjacent to said shaft, and a common drive means for said rolls.

11. In a finishing machine having a frame and a driven finishing tool shaft, the combination of means for applying differently colored finishing waxes to shoe parts comprising a pair of wax-applying rolls, a carrier for said rolls pivotally mounted on said frame for swinging movement about a horizontal axis to alternatively present said rolls to the same operative position adjacent to said shaft, a drive shaft alined with said horizontal axis, means for connecting said rolls to said drive shaft, and locating and locking means for said carrier.

12. In a finishing machine having a frame, the combination of a carrier, a pair of wax-applying rolls rotatably mounted on the carrier, said carrier being pivotally mounted on said frame for swinging movement to present each of said rolls alternatively to the same operative position, housings on said carrier partially surrounding each of said rolls, and means associated with each of the housings for heating the roll enclosed thereby.

13. In a finishing machine having a frame, the combination of a carrier, a pair of wax-applying rolls rotatably mounted on the carrier, said carrier being pivoted on said frame for swinging movement to present each of said rolls alternatively to the same operative position, housings each of said rolls, said housings being rotatably mounted on said carrier, and means associated with said frame, said carrier and said housings for maintaining the orientation of said housings constant with respect to said frame as the carrier is swung to present either of the rolls to operative position.

15. In a finishing machine having a; frame, the combination ofJa-swingable carrier, two wax-applying rolls mounted on said carrier and spaced apart angul'arl'y less than degrees thereon,

l casings partially surrounding each of said rolls, and means toorient said casings with respect to I6! I11" a-finishing'mac'hine having a frame, the

combination of a carrier. mounted for swinging movement on said frame, two wax-applying rolls on said carrier arranged for movement alternatively" to-operatiive position by the swinging of said carrier, casing-s; associated" with said carrier and partially surrounding each of said rolls, and stationary meanson said frame cooperating with means on said carrier and on said casings to orient said casing-s with respect to said frame.

171. In a finishing machine having a frame, the combination of a carrier, a pair of wax-applying rolls rotatably mounted on the carrier, said carrier being pivotally mounted on said frame for ,swinging movement to present each of said rolls alternatively to the same operative position, housings on said carrier partially enclosing each of said rolls, and a wax-distributing and conforming roll associated with each of said housings shaped to conform to the working surface of the roll and adjustable with respect thereto.

18. In a finishing machine having a frame, the combination of a plurality of wax-applying rolls mounted on the frame for alternative movement to the same operative position, a plurality of wax containers each comprising a chamber and an outwardly extending delivery spout, means for supporting said containers on said frame for swinging movement constructed and arranged so that each of said delivery spouts can be selectively positioned over one of the applying rolls when said roll is in operative position, and means for holding the supporting means against accidental movement when a delivery spout is so positioned.

19. In a finishing machine having a frame, the combination of a pair of wax-applying rolls, a carrier for said rolls pivoted on the frame for swinging movement to present each of said rolls alternatively to the same operative position, a wax container comprising a pair of wax chambers each having a delivery spout, supporting means for mounting the container on the frame so that each of said spouts can be positioned over an applying roll when said roll is in said operative position, and cooperating locating means on the supporting means and the carrier for selectively positioning said spouts over said applying rolls as the latter are presented to operative position.

20. In a finishing machine having a frame, the combination of a pair of wax-applying rolls, a carrier for said rolls pivoted on the frame for swinging movement to present each of said rolls alternatively to the same operative position, a wax container comprising a pair of wax chambers each having a delivery spout, a carrier for mountin the container on the frame so that each of said spouts can be positioned over an applying roll when said roll is in said operative position, one of said carriers having a'pair of symmetrically arranged projections and the other of said carriers having a pair of unsymmetrically arranged projecting portions, said projections and said projecting portions cooperating in such a manner that only one of said spouts can be positioned over either of said wax-applying rolls when that roll is in operative position.

21. In a finishing machine having a frame, the combination of a pair of wax-applying rolls, a carrier for said rolls pivoted on the frame for swinging movement to present each of said rolls alternatively to the same operative position, a wax container comprising a pair of wax chambers each having a delivery spout, supporting means for mounting the container on the frame so that each of said spouts can be positioned over an applying r011 when said roll is in said operative position, a pair of symmetrically arranged projections on said supporting means, one associated with each of said wax chambers, and'a pair of unsymmetrically arranged projecting portions on said carrier, one associated with each of said wax-applying rolls, the said projections and the projecting portion associated with the wax-applying roll which is in operative posiing units arranged in groups, the units of one group being associated with one of said rolls and its wax-delivering means and the units of the other group being associated with the other roll and its wax-delivering means, each of said heating unit groups being selectively and independently operable to heat its respective roll and the wax delivering means therefor.

WILFRID THOMAS MINETT.

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