US2216153A - Channeling machine - Google Patents

Description

0d. 1, 1940. BERTRAN 2,216,153

CHANNELING MACHINE Filed April 12. 1958 3 Sheets-Sheet l Oct. 1. 194. E, BERTRAND 2,216,153

CHANNELING MACHINE Filed April 12, 1938 3 Sheets-Sheet 2 A/vEA/TUR M 05M a /W Oct 1940. F. E. BERTRAND 2,216,153

CHANNEL ING MACHINE Filed April 12. 1938 s Sheets-Sheet s nfiimr nuunu mum! Patented Oct. 1, 1940 PATENT OFFICE OHANNELING MACHINE Frederic E. Bertrand, Lynn, Mass, assignor to United Shoe Machinery Corporation, Borough of Flemington, N. J a corporation of New Jersey Application April 12, 1938, Serial No. 201,566

Claims.

This invention relates to improvements in sole fitting machines and is herein illustrated as embodied in a channelingmachine which is adapted for operating on insoleshaving shank extensions.

Many shoes are now made with insoles having either lateral extensions or wings at their inside shank portions or with extensions at both their inside and outside shank portions, and in the manufacture of shoes having such insoles the extensions or wings are laid back or molded against the sides of the last so that they will serve in the finished shoes to support the arches of the feet.

Channeling machines used to prepare the insoles used in the manufacture of Goodyear welt shoes are commonly provided with edge gages arranged to produce an insole feather of varying Widths; however, the adjustments provide for such small variations of feather width that the gage cannot be backed off far enough to permit thepassage of the wide extensions encountered at the shanks of insoles of the type referred toabove. To meet this situation United States Letters Patent No. 1,482,141), granted January 29, 1924, on the application of E. E. Orr, discloses an edge gage adjacent to a work support which is adapted for movement through the usual range of adjustments in the plane of the work on the work support and also is arranged to be moved laterally sufficiently to clear the work support and then to be lowered below the surface of the work support when an insole shank extension is encountered thus permitting the extension to pass over the gage while the channeling operation is being carried out in the portion of the sole con tiguous to the extension. While accomplishing the purpose of providing an edge gage which can be used on both types of insoles, gages of the type disclosed in the Orr patent are subject to the objection that while the gage is in its lowered position it is below the surface of the work support and beneath the insole extension and thus isout of sight of the operator who, while channeling through the portion of the sole contiguous to the extension must guide the sole past the channeling knives by eye and without the aid of the gage. If the edge of the sole is located too farover the edge of the work support as the channeling operation passes beyond the extension of the insole, it will overlie the lowered gage and prevent it from rising to its edge engaging position where it can resume its guiding function, and as the gage is out of the operators sight at this time, the operator is not immediately aware of the error in the location of the channel and there will be some lag in correcting its location with the result that the channel and sewing lip will be spaced too far in from the sole edge in that portion of the sole.

It is an object of this invention to provide an improved edge gage mechanism which will overcome the difficulties above referred to. To this end, and as illustrated herein, a feature of this invention consists of the provision, in a sole fitting machine having a work table and a fitting tool, of an edge gage mechanism which comprises a gaging member adapted for adjustment in the plane of the work on the work table and in a direction transverse to the line of feed of a sole when presented to the fitting tool and also adapted for movement away from the plane of the work, together with means for adjusting the gage tranversely to the line of feed while the fitting tool is operating upon the normal portions of a sole margin and adapted to raise the gage out of engagement with the sole when an extension is encountered which is wider than the adjusting capacity of the gage. With this arrangement of the gaging mechanism, the gage may be lowered from its raised position as the channeling operation is passing beyond the extension and thus indicate to the operator the proper position of the sole edge in the event that he has missed that position while guiding the sole by eye.

In a machine provided with an edge gage mechanism such as that disclosed in this application, the edge gage must be held in its raised position while the operator is channeling through the section of the insole contiguous to the orthopedic extension, because, while channeling in this portion of the insole the operator is guiding the movement of the insole by eye and it is important that he have both hands free to assist him in controlling that movement. With this in view, another feature of this invention resides in the combination with the illustrated edge gage mechanism of means for holding the edge gage in its raised position.

These and other features of the invention will appear more fully from the following detailed description of the machine when read in connection with the accompanying drawings and will be pointed out in the appended claims.

In the drawings,

Fig. 1 is an elevational side view of a channeling machine embodying the present invention;

Fig. 2 is a plan view taken along the line II--II of Fig. l with the cutting and feeding mechanism omitted for purposes of clarity, showing the relationship of the edge gage to the work table and the edge gage shifting mechanism;

Fig. 3 is a plan view also taken along the line II-II of Fig. 1 with certain parts omitted, showing the construction of the feed feet and illustrating their relationship to the edge gage, work table, channeling knives and presser gages;

Fig. 4 is an elevational view with certain parts broken away showing the relationship of the work gage to the channeling knives and work table when the gage is in its raised position;

Fig. 5 is an elevational view showing the manually operable mechanism for adjusting the edge gage and work table with respect to the channeling knives;

Fig. 6 is an exploded perspective view of the edge gage and the mechanism for oscillating and for raising and lowering the same;

Fig. '7 is a perspective View of one of the feed feet, and

Fig.6 is a perspective view of the other feed foot.

The machine shown in the drawings comprises afreely rotatable flat work table or support 12, a channeling knife [4 (Figs. 3 and 4) for cutting downwardly into the surface of a sole S on the work table to form a channel and an inner lip, an edge knife I6 for slitting the edge of the sole to form an outer lip and a feather, presser gages I8 and 20 associated with the knives l4 and I6, respectively, for gaging the thickness of the inner and outer lips, two four- motion feed dogs 22 and 24 for feeding the work, and an edge age 26 for determining the width of the feather and the position of the lips relatively to the sole edge. The said dogs 22 and 24 have slashing knives 28 and 30 adjustably mounted thereon (Figs. '7 and 8) by means of tongue-and-groove connections and clamping bolts 29 and 3|. These slashing knives arearranged to cut transverse slits in the channel lips formed by the knives I4 and 56 so as to facilitate .the lip raising operation. The depth to which the slashing knives cut is quite critical and is dependent upon the depth of the lips cut by the channeling knives l4 and I6 as, if the slashing knives cut the lips too deeply the cuts would extend into the under surface of the leather thus weakening the sewing rib, and if the cuts were not deep enough, difficulty would be encountered in raising the lips to form the sewing rib. By adjustably connecting the slashing knives to the feed feet they can be detached from the feet, if desired, for sharpening purposes and then reassembled and adjusted to the desired depth of cut by means of a convenient gage, and when a knife becomes worn out or damaged it can be replaced with a new knife thus saving the more expensive feed foot.

The work table l2 is secured to a horizontally adjustable carrier 32 (Fig. l) which also supports the edge gage 26 and which is movable to adjust the edge gage and work table in unison transversely of the direction of the work feed and thus to shift the sole edge relatively to the channeling knives so as to vary the distance between the channels and the sole edge or, as commonly expressed, to vary the Width of the margin. The carrier 32 is moved by a pin 34 mounted on a rock shaft 36 (Fig. 5) journaled in a bracket 38 formed on the machine frame, the rock shaft being operated by a hand lever 46. The construction and arrangement of the parts thus far described, with the exception of the adjustable mounting of slashing knives on the feed feet, are shown and described in the 1 United J States Patent No.

2,015,064, granted September 24, 1935, on an application filed in the name of F. E. Bertrand, to which reference may be had for a more detailed description.

The edge gage 26 is formed with a central recess 21 which is arranged to permit the passage of an insole extension in a manner which will be hereinafter explained. The lower end of the edge gage 26 is connected by a bolt 4| to a block 42 (Figs. 4 and 6) which is slidably mounted in a guiding member 44 for movement heightwise of the surface of the work table 12. The guiding member 44 consists of an upstanding arm 46 provided with a guideway for the reception of the block 42 and a flat plate member 48 which is slidably mounted on the base 50 of a rocker member 52 with its rear end 65 slidably received in an opening 66 in the rocker member 52. The rocker member '52 is connected to a lug 54 and a rock shaft 56 (Figs. 1 and 2) on the edge knife carrier (not shown) for oscillating the edge gage in the manner shown in the patent to Bertrand No. 2,015,064 referred to above. The rock shaft 56 and the lug 54 of the illustrated machine correspond to the rock shaft 58 and the arm 510 of the Bertrand Patent No. 2,015,064. When oscillated by the edge knife carrier, the gage 26 is caused to move in an arcuate path about the center of the work table by a link 58 which is connected at one end to a stud 60 (Fig. 4) concentrically mounted in the work table l2 and at the other end to the edge gage carrier 44 by a bolt 62. The bolt 62 has a head 63 thereon provided with parallel sides which are arranged to slide in a groove 64 formed in the base member 59 in a manner indicated in Figs. 4 and 6.

In channeling soles, the edge gage 26 is adjusted to control the cutting of the desired different widths of margin, usually one at the shank portion, another at the outside of the forepart, and a third at the inside of the forepart, and when a sole extension is encountered, the edge gage is raised out of engagement with the sole edge so that the extension on the sole can pass through the recess 21 formed in the edge gage in a manner shown in Fig. 4. The means for raising and lowering the edge gage consists of a bell crank lever 68 pivoted to a pin 10 (Fig. 1) projecting from an upstanding arm 12 formed on the rear end of the carrier 32 as Viewed in Fig. 1. The lever 68 consists of a horizontal arm 69 and a downwardly extending arm 94, the arm 69 being connected to a pair of spaced parallel arms l4, l6 projecting from the edge gage slide 42 by a block I8 positioned between these arms and pivoted on the forward end of the arm 69. The lever 68 is normally urged in a counterclockwise direction by a spring which is con nected at one end to a pin 82 projecting from the arm 69 and at its other end to a pin 84 connected to the carrier 32. ment of the carrier 32 (Fig. 1) to a position beyond that occupied by the carrier when the gage is controlling the cutting of the widest feather, the lever 68 is rotated in a clockwise direction about the pin 10 to raise the edge gage out of its work engaging position. When the edge gage is in its raised position, the recess 21 (Fig. 4) lies opposite the sole edge permitting the tab or extension to pass beneath the gage while the gage remains in full View of the operator and thus assists him in guiding the channeling operation through the tab or extension area. Raising of the edge gage is eifected by the engagement of an adjustable bolt 96 threaded into the lower arm 94 of the lever 68 with an abutment 98 Upon rearward moveformed on the frame of the machine and located in the path of the bolt 96 lFig. 2). Movement of the lever 68 in a clockwise direction is limited clockwise direction is limited bythe engagement of the arm 69 with a stud 86 on the carrier 32. The bolt 96 carried by the arm 94 is adjusted so that it will not engage the abutment 98 when the edge gage and work tableare shifted by the carrier 32 to the three customary positions corresponding to the different widths of margin, but upon movement of the carrier to a fourth position, which in this machine is the rearmost position, the bolt 96 will engage the abutment 98 causing the arm 68 to rotate in a clockwise direction against the pull of the spring and raise the edge gage out of the path of the sole edge.

During the time that the edge gage 26 is in its raised position, the operator is guiding the movement of the sole by eye and it is important that he have both hands free to assist'him in controlling its movement. Accordingly, a clamping collar I00 having a notch IOI therein (Fig. 1) is mounted upon the bracket 38 immediately above the rock shaft head 39 (Fig. 5). Mounted upon the rock shaft head 39 of thecarrier shifting mechanism is a pawl I02 which is normally urged into seating engagement with the notch I0! by a fiat spring I04 also fastenedto the rock shaft head. The collar I00 isadjusted on the bracket 38 so that the notch IllI is in a position corresponding to the one occupied by the pawl Hi2 when the edge gage has been moved to its raised position by the carrier shifting mechanism so that upon movement of this shifting mechanism to that position the pawl I02 will be seated in the notch IIII by the spring I04 thus holding the shifting mechanism in that position thereby leaving both of the operators hands free to guide the sole past the channeling knives.

The operation of the illustrated machine when channeling an insole having a shank extension is as follows: The hand lever 40 is shifted to rotate the horizontally adjustable carrier 32 together with the work table I2 and edge gage 26 which are secured to it transversely of the channeling knives to vary the distance between the channels and the sole edge to secure the desired variation in width of margin. Upon encountering an extension on the sole the hand lever 40 is shifted to move the carrier 32 to its rearmost position where the edge gage shifting lever 68 is displaced by the abutment 98 to raise the edge gage out of engagement with the work. With the carrier 32 in this position the pawl I02 on the rock shaft head is seated in the notch IllI of the fixed collar I00 thereby holding the lever Ml against further movement until it has been manually released. Rotation of the horizontally adjustable carrier 32 causes the guiding member 44 to move toward or away from the rocker member 52 due to the fact that the guiding member is connected to the adjustable carrier 32 through the link 58 and work table I2 while the rocker member 52 is not adjustable. However, relative movement between the members 44 and 52 is provided for by making the notch 64 in the rocker member 52 of a greater depth than the extent of the relative movement between these members. Thus upon movement of the gage 32 away from the carrier knives, the guiding member 44 will move toward the rocker member 52 and theend B5 of the plate 48 which forms a 'part of the guiding member 44 will slide through the opening 66 in the rocker memberwhile the bolthead 63 slides in the recess 64 thereby retaining the driving*connectionbetween the memhers-52 and 44 while permitting relative movement therebetween.

The word raising as applied herein to the edgegage is used to indicate movement of the edge gage away 'fromthe surface of the work support in aheightwise direction.

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

l; A sole fitting machine for-operating upon insolesprovided with extensions having, in combination, a work support, sole fitting means, an adjustable edge gage for guiding the sole past the :sole fitting means, and means for adjusting the edgegage relatively to the sole fitting means during the operation of the sole fitting means :upon a portion of an insole to vary the point of operation with respect to the soleedge, said adjusting means being constructed and arranged to raise the edge gage out of engagement with the insole during the operation of the sole fitting means in the portion of the insole contiguous to the extension.

. 2. A channeling machine adapted for operation upon insoles provided with, shank extensions comprising a Work support, a channeling knife, an edge gage arranged for movement in the plane ofthe work on the support and also for movement away from that plane, means for adjusting the gage in the plane of the work for guiding the sole past the knife during the channeling of a 'portion of the insole, and means controlled by .the gage adjusting means for raising the gage .above the surface of the work when a portion of a sole having an extension thereon isreached to enable the extension to pass beneath the gage and the channeling operation to be continued in the portion of the sole contiguous to the extension.

3. A channeling machine comprising a work support, a channeling knife, an edge gage support arranged for movement towards and away from the channeling knife, an edge gage adjustably mounted on the edge gage support, means for moving the edge gage support through a selected range of movement relatively to the channeling knife to adjust the gaging position of the edge gage, and means on the edge gage support for raising the edge gage out of engagement with the work on the work support as the edge gage support is movedto a position outside of the selected range of movement.

4. A channeling machine adapted for opera tion upon insoles provided with extensions comprising a work support, a channeling knife, an edge gage support arranged for movement relatively to the channeling knife, an edge gage adjustably mounted on the edge gage support, an edge gage shifting lever arranged to move the edge gage heightwise of the surface of the work support, means for moving the edge gage support relatively to the channeling knife to adjust the edge gage across the line of feed, and means for operating the shifting lever as the edge gage is moved to a selected position to move the gage away from the plane of the surface of the work support.

5. A channeling machine adapted for operation upon insoles provided with extensions comprising a work support, a channeling knife, an

edge gage guide arranged for movement relatively to the channeling knife, an edge gage adjustably mounted on the edge gage guide, said edge gage having a recess therein adapted to permit the passage of an insole extension, means for urging the edge gage into its work guiding position, and mechanism for shifting the edge gage so as to bring its recess into register with the edge of a sole on the work support to permit the passage of an insole extension, said mechanism including a gage shifting lever arranged for engagement with an operating member when the gage support is moved to .a predetermined position.

6. A channeling machine adapted for operation upon insoles provided with extensions having, in combination, a machine frame, a work support, a channeling knife arranged to channel work upon the work support, an edge gage guide adjacent to said work support arranged slidably to receive an edge gage and to guide its movements heightwise of the surface of the work support, an edge gage for guiding a sole past the channeling knives slidably mounted on said guide, an adjustable support for said guide, means for moving the guide support relatively to the channeling knife to adjust the gaging position of the edge gage, a gage shifting lever pivoted to the guide support and arranged to move the edge gage heightwise of the surface of the work support, an operating member for the gage shifting lever positioned in the path traversed by the gage shifting lever upon adjustment of the guide support and adapted to operate the gage shifting lever and cause it to raise the edge gage out of engagement with the work upon movement of the guide support to a selected position thereby permitting the passage of an insole extension beneath the edge gage while a channeling operation is being carried out in the portion of a sole contiguous to the extension.

7. Edge gage mechanism for stock fitting machines comprising an edge gage, means for adjusting the edge gage across the line of feed of a stock fitting machine, and means controlled by said adjusting means for raising the edge gage out of its work engaging position.

8. Edge gage mechanism for stock fitting machines comprising an edge gage, and means for moving said edge gage across the line of feed throughout a selected range of adjustment and for raising the gage out of its work engaging position as it moves the gage to another position outside of the selected range of adjustment.

9. In a channeling machine adapted for operation upon insoles provided with extensions, a work support, an edge gage support, an edge gage adjustably mounted on the edge gage support, means for raising the edge gage out of engagement with the edge of a sole on the work support to permit an extension thereon to pass beneath the gage, and means for holding the gage in its raised position.

10. In a channeling machine adapted for operation upon insoles provided with extensions, a work support, a channeling knife, an edge gage support arranged for movement relatively to the channeling knife, an edge gage adjustably mounted on the edge gage support, means for raising the edge gage out of engagement with the work on the work support upon movement of the edge gage support to a predetermined position,

a manually operable member for moving the edge gage support through a selected range of movement relatively to the channeling knife to adjust the gaging position of the edge gage and to its selected position to cause the movement of the edge gage to its raised position, and a detent for holding the manually operable member in the selected position with the edge gage out of engagement with the work thereby releasing the operators hands for controlling the movement of a sole on the work support.

FREDERIC E. BERTRAND.

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