US1187028A - Skiving-machine. - Google Patents

Skiving-machine. Download PDF

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Publication number
US1187028A
US1187028A US78840913A US1913788409A US1187028A US 1187028 A US1187028 A US 1187028A US 78840913 A US78840913 A US 78840913A US 1913788409 A US1913788409 A US 1913788409A US 1187028 A US1187028 A US 1187028A
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Prior art keywords
skiving
knife
machine
support
feed wheel
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Expired - Lifetime
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US78840913A
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William C Baxter
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USM Ltd
United Shoe Machinery Co AB
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United Shoe Machinery Co AB
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Priority to US78840913A priority Critical patent/US1187028A/en
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D27/00Machines for trimming as an intermediate operation

Description

W. C. BAXTER.
SKIVING MACH|NEI APPLICATION FILED SEPT. e. |913.
' Patented J 11116 13', 1916.
4 SHEETS-smeer I.
| I ffl:
M/ZMJW THE COLUMBIA PLANOGRAPH co.. wAsHlNG'roN, D. C;
IWW??? W. C. BAXTER.
sKlvlNG MACHINE. l APPLICATION FILED SEPT- 5| 1913- v f Patented June 13, 1916.
4 SHEETS-SHEET 2.
Maffia?" THE COLUMBIA PLANouR/PH co., wAsl-uNG'roN. D C
W. C. BAXTER.
SKIVING MACHINE. APPLICATION FILED SEPT. 6, 1913.
4 SHEETS-SHEET 3.
W C. BAXTER.
SKIVING MACHINE.
APPLICATION man sen-s, ma.
l ,187,028. Patented J une 13, 1916.
4 SHEETS-SHEET 4.
VNI
UNITED STATES PATENT OFFICE.
WILLIAM C. BAXTER, OF BEVERLY, MASSACHUSETTS, ASSIGNOR TO UNITED SHOE MACHINERY COMPANY, OF PATERSON, NEIV JERSEY, A'CORPORATION 0F NEW JERSEY.
sKIvING-MACHrNE.
Application filed September 6, 1913. i Serial No. 788,409.
To all whom t may concern:
Be it known that I, VILLIAM C. BAXTER, a citizen of the United States, residing at Beverly, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Skiving-Machines; and I do hereby declare thefollow.- ing to be a full, clear, and exact description of the invention, such as will enable `others skilled in the art to which .it appertain's t make and use the same. y v
The invention relates to skiving machines for skiving the marginal portion of the sole of a boot or shoe to give the sole a lighter or thinner appearance. n
The object of the invention is to improve and simplify the construction of this type of skiving machine and to this end the-4 invention consists 1n the features of construction and combinations of parts hereinafter described and set forth in the claims.
The features of the invention will be readily understood from an inspection of the accompanying drawings and the following detailed description of the machine illustrated therein.
In the drawings: Figure 1 is a kleft hand side elevation of the machine embodying the various features of the invention in their preferred form; Fig. 2 is a front elevation of the machine; Fig. 3 is a plan view of the forward part of the machine; Fig. .4 is a right hand side elevation of the parts shown in Fig. 3; .Fig. 5 is a detail front elevation with the channel flap guard removed; and Fig. 6 is a vertical sectional view on line e-6, Fig. 5. A
In the machine shown in the drawings the projecting edge of the sole `is supported upon a frusto-conical work supporting roll 1, the edge of which is shaped to enter the crease between the upper and sole and act as a guide for the shoe. A feed wheel 2 and presser foot 3 are arranged above the work support and coperate with the work support in feeding the marginal portion of the sole against the edge of a skiving knife 4. The skiving knife is secured in fixed relation to the feed wheel and presser foot so ythat it acts to remove a skiving of substantially uniform thickness from the marginal surface of the sole.. v
In order that the work engaging devices may accommodate themselves to variations in the thickness ofthe sole edge, provision 1s made for a relative yielding movement Specification of Letters Patent. Patented 1111913, 1916,
between the knife and work support, and 1n A accordance with the present invention this movementis such that it does not affect the angular relation 'between the knife and work support and does not, therefore, vary the angle rof the skiving. The relative yielding movement is preferably secured by mount? ing the work support in a yielding carrier. As shown, the work support is secured upon the lower end of an inclined shaft 5 mounted. in a bearing block, 6 which is secured to a vertically movable carrier block 7. The carrier block y7 is itted to slide vertically between vertical guides 8 formed onthe frame of the machine and is provided with a depending cylindrical portion 9 fitting within a bore 10 in the frame. The carrier sleeve 12 which is screwed into the lower end of the bore 10. A spring 13 is interposed between the endof the sleeve 12 and the end of the cylindrical portion 9 and serves to force the carrier block 7 and work supporting roll 1 upward into position to hold the work against the presser foot and the feed wheel. The upward movement of the work ysupport is limited by a nut 14 screwed on the lower end of the rod 11V and normally engaging the lower end of Vthe sleeve 12. The rod 11 is connected by a rod 15 with a treadle (not shown) by which the work support may be drawn downward in inserting the work. Y f
The work supporting roll is drivenduring the operation of the machine through a horizontal shaft 16 mounted in the carrierl block 7 and vprovided at its forward end with a beveledgear 17 engaging a similar:4
shaft may be shifted by the operator from onepulley-to the vother by a belt shipper 25.
The feed wheel and presser footr` are carried lupona head 26.1nou-nted uponV the frame ofthe machine above the shaftf19 and secured in fixed position on the frame by clamping bolts V27 which pass'throu'gh slots 28 in the flanges 29 of the head. vBy loosenifngfthe bplts the hea'd may be adjusted lon gitudinally of the shaft 19 or in a direction transversely of the feed to vary the position of the knife and feed wheel with relation to l Vtlier Work lsiflpporting and guiding 'roll 1 in accordance with the projection of the sole a comparatively' longv bearing 'for the shaft between theroll and the beveled gear 18 through whichthe shaft isldriven. This also nablesfthe feed wheel-and work support to be driven in the proper ldirection from the shafts 1.9 `and which are directly geared v on'its rearsi'de torsurround'the gears. The
together. "'Ilie'gears 33 and 34 areinclosed andprotected by aj plate37 which is secured to' the front of thev bracket 31 and is recessed frontfside lof the pl`at`ev37 is also recessed to partially surroundthe feed wheel 2 and supports 'stripperfingerB-S, the end of which Y projects into lthe annular groove in the face ofthe' wllee'l'. :The platte 37 also supports the pvi'es'ser foot 3" -which is provided with a sfhank'littin'gwithina bearing 39 inthe plate. The 5presser foot 'mayv bey adjusted by a nut lOscre'Wed on "to the upper end of the presser fitting within aggroov'e 4-2fin the plate 37.
Y Theshank of the'presser' footisheld from turning within the bearing andiis'clamped in positionby a seit' screw 43 which engages a flat `poittQn of theshank. A channel flap guard? 44 fi'sgadjustablyf secured to the plate ,S7-.nya clamping tal-01u45 and is arranged to the front 'face of the feed wheel.
'j bring its cutting edge into proper Yosition to removey the' desired skiving from he""l"ow'er edge of .the sole tliefknife is so mounted "upon theIiXed frame of the machi'rnejthat it .may "bengi'ven a horizontal vadjistment "transversely of 'the direction of feed, an adjustment in the direction of the feed-7 .anvangular'l adjustment, and a vertical adjustment. The horizontal adjustment transversely of the direction o'f 'the feedv isV provided for by clamping the shank of the knife between jaws 46 of the supporting arm- 47, the knife being held in adjusted position by a clamping screw 48. The adjustment of the knife in the direction of the line of feed is provided for by mounting the arm 47 on a guideway formed on a support 49 and securing the arm in position upon the support by a clamping bolt 50 which passes through a slot in the arm. The angular adjustment of the skiving knife is provided for by mounting the support 49 upon a segmental guideway formed upon a slide 51 and securing the support in position by clamping bolt 52. The segmental guideway is so formed that it is substantially concentric with the end of the skiving knife and by adjusting the support 49 upon the segmental guideway the angular adjustment of the knife may be varied to produce the desired bevel upon the lower outer edge of the sole. In order that the knife may be adjusted vertically, the slide 51 is mounted upon a vertical guideway formed on the frame of the machine. An adjusting screw 54 is provided for adjusting the slide 51 and the slide is secured in adjusted position by the clamping bolts 55.
In doing certain classes of work it is desir-able that the crease gage be oiled or lubricated, and the machine is accordingly proyvided with an oiling device adapted to apply oil to both faces of the crease engaging portion of the crease guide. As shown7 this device comprises an oiling'pad 5G grooved to receive the edge of the work supporting and guiding roll and mounted in the end of a f plunger 57. Theplunger 57 is 'forced forward by a spring 58 and is provided at its rear end with a pin 59 adapted to fit within grooves 60 formed in a boss 61 on the carrier block 7 In case it isdesired to throw the oiling device out of action the operator may force the plunger 57 back and turn it so that the pin 59 rests against the end of the boss (31 and holds the oiling pad out of engagement with the work supporting roll.
In order that the skiving may be properly directed away from the cutting point a guard plate 62 is secured to the plate 37 and is arranged to extend along the upper side of the knife in the direction of the feed.
While it is preferred to employ the construction and arrangement of devices shown and described, it is to be understood that this construction and arrangement is not material eXcept so far as it may be specified in the claims and maybe varied and modified without departing from the broader features of the invention.
Having explained the nature and object ofv the invention and specifically described one form of machine in which it may be embodied, what I claim is:
1. A skivingmachine, having in combination, a work support constructed to support the marginal portion of an attached shoe sole, a skiving knife, said support and knife being relatively yielding toward and from one another in normally fixed angular relation, and means for adjusting the angular relation of knife and support to vary the angle of the skiving, substantially as described.
2. A skiving machine, having in combina tion, a combined crease guide and work support, a skiving knife, said support and knife being relatively yielding toward and from one another in normally fixed angular relation, and means for adjusting the relative angular relation of knife and support, substantially as described.
3.` A skiving machine, having in combination, a frame, a feed wheel rotatively mounted therein, a skiving knife mounted on the frame and angularly adjustable thereon, a work support movable toward and fro-m the skiving knife in normally fixed angular relation with respect thereto, and means for actuating the feed wheel, substantially as described.
fl. A skiving machine, having in combination, a work support, means for rotating the same, a feed wheel and actuating means therefor, a skiving knife normally held in fixed angular relation to the feed wheel, and a yielding mounting for the work support for maintaining the latter in fixed angular relation to the feed wheel and skiving knife irrespective of the thickness of the work, substantially as described.
5. A skiving machine, having in combination, a feed wheel mounted to rotate about `a ixed axis, actuating devices for said wheel,
a skiving knife normally held in fixed position, `a frustoconical Work support having its conical surface opposed to the feed wheel and skiving knife, a carrier in which said support is rotatably mounted, said carrier being mo-vable in a right line toward and from the feed wheel and skiving knife to accommodate varying thicknesses of work, and driving mechanism including a coupling for actuating the work support, substantially as described.
6. A skiving machine, having in combination, a skiving knife, a pair of superposed actuating shafts, driving mechanism for one of said shafts, a pair of gears directly connecting said shafts, a. gear secured to the front end of the upper of said shafts, a feed wheel, a gear secured thereto and located below and meshing with the gear on the upper shaft, a frusto-conical work support mounted to turn about an inclined axis, and connections including bevel gearing between the work support and the lower of said actuating shafts, substantially as described.
7 A skiving machine, having in combina-y tion, a skiving knife, a pair of actuating shafts mounted to turn about fixed axes,
driving mechanism for one of said shafts, a pair of gears directly connecting said'shafts, a feed wheel, a gear connected therewith, a gear secured to the front end of one of said actuating shafts and meshing with the feed wheel gear,`a frusto-conical work support mounted to turn about an inclined axis, bevel gearing for actuating said support, a movable carrier for said support and gearing, and a coupling between said gearing and the front end of the other of said actuating shafts, substantially as described.
8. A skiving machine, having in combination, a frame, a skiving knife, a pair of actuating shafts mounted to turn in fixed bearings in the frame, driving mechanism for said shafts, a depending bracket secured i gear on said shaft meshing with the feed wheel gear, a frusto-conical work support located beneath the feed wheel and mounted to turn about an inclined axis, a shaft for the work support, a bevel gear secured to said shaft, a bearing for said shaft intermediate the work support and the gear, a movable carrier for said bearing, a guideway for the carrier secured to the frame of the machine, and connections between the bevel gear and the other of said actuating shafts, substantially as described.
- 9. A skiving machine, having in combination, a frame, a shaft and gear mounted to turn about a fixed axis in said frame, a Work support actuated by said shaft, a skiving knife, a. head mounted upon the frame and adjustable in a direction parallel with the shaft, a second shaft carried by the head, a gear on said shaft meshing with said first mentioned gear, and a feed roll carried by`r the head and actuated by said second shaft, substantially as described.
10. A skiving machine, having in combination, a feed wheel, a skiving knife, a frusto-conical crease guide and Work support, means for actuating said guide and support, and an oiling device having means for applying oil to both faces of the crease engaging portion of the crease guide, substantially as described.
ll. A skiving machine, having in combination, a feed wheel, a skiving knife, a frusto-conical crease guide and work support mounted to turn about a rearwardly inclined axis, means for actuating the guide and support, and a spring-pressed oil-apply ing'pad located in the rear of said guide and arranged to contact with the welt en- .gaging face of said guide and support, and
'4 -r Y i 1,187,023
`12. skiving machine, having in coinbi- Work support in a direction parallel with nation,- a fuiste-conicalv crease guide and the axis of the feed Wheel, substantially as work support, a skiving knife, a head, a rodescribed.
ytary feed wheel carried Vby the head, a WILLIAM C. BAXTER. f s 5 presser-foot and channel guide, both car- Witnesses:
riedby Vthe head, and means for' adjusting CHESTER E. ROGERS,
the head relatively to the crease guide 'and LAURA M. GOODRIDGE.
Copies of this patent may beyobtained. for ve cents each, by addressing` the Commissioner of Patents, f i Washington, D. C.
US78840913A 1913-09-06 1913-09-06 Skiving-machine. Expired - Lifetime US1187028A (en)

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