US2594470A - Machine for applying ribbed strips to orthopedic insoles - Google Patents

Description

Apnl 29, 1952 N. E. MARINER 2,594,470

MACHINE FOR APPLYING RIBBED STRIPS TO ORTHOPEDIC INSOLES Filed March 20, 1951 5 Sheets$heet l [n ventor 4/ NormazrE/fanher N. E; MARINER MACHINE FOR APPLYING RIBBED STRIPS TO ORTHOPEDIC INsoLEs April 29, 1952 5 Sheets-Sheet 2 Filed March 20, 1951 Inventor Norma/2 6770777767 April 29, 1952 N. E. MARINER MACHINE FOR APPLYING RIBBED STRIPS TO ORTHOPEDIC INSOLES 5 Sheets-Sheet 5 Filed March 20 1951 I n ven tor /V07"777077 E Mar/her- M g E QQ rlllllllIillilll lllllllllllll 5 zls/iito e Ap 29, 1952 N E. MARINER 2,594,470

MACHINE FOR APPLYING RIBBED STRIPS T0 ORTHOPEDIC INSOLES Filed March 20 1951 5 Sheets-Sheet 4 [n ventor Norman E War/7767* Aprll 29, 1952 MARINER 2,594,470

MACHINE FOR APPLYING RIBBED STRIPS TO ORTHOPEDIC INSOLES Filed MBJGh 20, 1951 5 Sheets-Sheet 5 Inventor Norman ENar/ner Patented Apr. 29, 1952 MACHINE FOR APPLYING RIBBED STRIPS TO DRTHOPEDIC INSOLES Norman E. Mariner, Beverly, Mass, assignor to United. Shoe Machinery Corporation, Flemington, N. J a corporation of New Jersey Application March 20, 1951, Serial No. 216,526

7 Claims.

; This invention relates to machines for applying ribbed strips to insoles to provide sewing ribs thereon and particularly to edge gage and knife mechanism therefor.

The ribbed strip that is to be applied to an insole may be made in accordance with the disclosure of United States Letters Patent No. 2,458,500, granted January 11, 1949, in the names of F. E. Bertrand and A. S. Clark. The present invention is illustrated as embodied in a machine of the type disclosed in application for United States Letters Patent, Serial No. 784,344, filed November 6, 1947, which has matured into Patent No. 2,573,683, granted November 6, 1951, in the name of Frederic E. Bertrand, and Serial No. 58,082, filed November 3, 1948, in the names of Norman E. Mariner and Lloyd G. Knowles. An important object of this invention is to adapt machines of the above-mentioned type for operation on orthopedic insoles, that is, insoles having aprojection at the shank portion on one or both sides thereof, such projections being usually on the inner side of the shank. only and being known as cookies.

In laying ribbed strips on insoles to provide sewing ribs thereon, the striphas to be laid at different distances from the edge of the insole, the greatest distance from the edge being in the shank region of the insole, the strip being at a lessdistance in the toeregion and at the least distance along the sides of the forepart. For determining the position of the strip, an edge gage is provided which can be shifted by a hand lever during operation of the machine against three adjustable stops. However, in dealing with an insole having a shank projection the edge gage is in the way of the projection in any of its usual positions. Accordingly, a feature of the invention consists in means for moving the edge gage out of the way during the laying of the ribbed strip along the shank portion adjacent to the projection. As illustrated, a further movement of the hand lever causes the edge gage to drop below the surface of the table on which the insole is supported where it is out of the way of theprojection during application of the strip to the portion of the insole adjacent to the projection. A mark may be made on the insole to pro- 'vide a visua1 indication for the operator as to where one edge of the strip should be applied in ,the shank portion adjacent to the projection.

Machines of this type are provided with a knife to sever the stri at the conclusion of the stripapplying operation, the knife edge reciprocating in a horizontal line in the plane of the upper face of the insole. The knife therefore. even in its retracted position, would be so close to the surface of the shank projection as to be likely to interfere with the passage of the. projection through the machine. Accordingly, as a further feature of the invention, the knife is normally in a raised as well as in a retracted position and. during operation, is moved downward and simultaneously forward, its edge reaching the plane of the upper face of the insole early in its forward cutting movement. I

These and other features of the invention will appear more fully from the following description when read in connection with the accompanying drawings and will be pointed out in the appended claims- In the drawings- Fig. l is a front elevation of the head of a machine in which the invention is embodied;

Fig. 2 is a plan view, partly in section, showing the knife and its operating mechanism;

Fig. 3 is a side elevation, partly in section, of the mechanism shown in Fig. 2;

Fig. 4 is a detail, in elevation, taken from the left-hand side of the machine and showing the edge gage depressed;

Fig. 5 is a front elevation, partly in section and on a larger scale, of parts shown in Fig. -1;

Fig. 6 is a plan view of a cookie. insole to which a ribbed strip has been applied by operation of the machine; and

Fig. 7 is a plan view, partly in section, illustrating diagrammatically the four positions that the hand lever is made to assume during operation of the machine.

Fig. 6 illustrates an insole I for a shoe for the right foot, the insole having an inside shank projection P, to which insole a ribbed strip S having a rib R has been applied starting at one end of "the breast line A with the edge gage in its third or rearward operating position. Upon leaving the shank portion at B the operator shifts the gage to its most forward position, locating the strip from B to C at its least distance from the edge. At C he shifts the gage to an intermediate or second position, locating the strip at a slightly greater distance from the edge while rounding the toe from C to D. At D the gage is shifted to its forward position until the point E is reached, whereupon the gage is shifted to its extreme rear or fourth position, whereby, as will be explained, the gage is dropped below the surface of the table out of the way of the projection P, the operation then being finished by the operators following with his eye a mark K on the insole, to the point F at the other end of the breast line where the knife is operated to sever the strip.

The insole I is supported by a table I (Fig. 1) mounted for rotation on ball bearings about a stud I2 seated in a member I4 having a cylindrical lower portion I5 guided for vertical movement in a bushing I6 having a flange I! and mounted in a bracket I8 secured at I9 to a head frame 20. The member I4 is sustained by a spring 22 the tension of which is controlled by a screw 24 supported by the bracket I8. Upward movement of the table is limited by a stop screw threaded through a partial collar 28 secured by a screw 30 (Fig. 5) to the lower end portion of the cylinder I5, the stop screw engaging the flange ll of the bushing I6. The table is lowered for introduction of the insole by a treadle (not shown) attached to a rod 32 connected at 34 to a lever 36 fulcrumed at 38 on a member 39 secured at 40 to the bracket I8 and bearing between its ends on a roll 4I secured by a screw opposite to the screw 30 to the collar 28. The table construction is substantially as disclosed in the applications above referred to except that the center about which the table rotates is located about 1% of an inch to the right of its position in the prior machines for a purpose to be later explained. The table is lowered by a pull on the rod 32 and an insole placed on the table. When released, the table presses the insole against a fixed but adjustable strip guide 42 having on its lower end surfaces to engage the inner and outer flanges of the strip, between which surfaces is a slot 43 (Fig. 3) to accommodate the rib R of the strip S. The guide 42 is adjustable in three directions at right angles to each other. A horizontal adjustment toward and from the head is provided (Figs. 2 and 3) by a rib thereon engaging a horizontal groove 44 in a block 46 and held therein by a screw 48 extending through a horizontal slot in the block 46 and threaded into the guide 42. The block 46 is similarly guided for vertical movement in a block 50 and held by a screw 52. The block 50 has. a rib engaging a horizontal slot 54 parallel to the direction of feed in a projection 50 from the machine head where it is held by a screw 58 extending through a horizontal slot in the block and threaded into the projection 50.

In operation of the machine, the insole is repeatedly pressed by the spring 22 against the lower end of the guide 42 when the feed foot lifts and, to prevent the guide from being forced up by such action should the screw 52 loosen and to provide a sensitive vertical adjustment for the guide 42, the block 46 has a projection 62 (Fig. 1) through which is threaded a screw 64 to engage the block 50, a set nut 65 being provided on the screw 64 to hold it in adjusted position.

A strip S having a rib R is fed from a reel I0 (Fig. 1) by a feed. foot, indicated in general by the reference numeral I2, constructed substantially as disclosed in the application second above mentioned. Attached to. the feed foot by screws 13 is a guide 15 having a notch therein to receive the rib R of the strip and prevent lateral movement of the strip S. The feed foot I2 is car.- iied by a lever 14 fulcrumed at 10 on a slide I8 mounted in an arm 80 which is connected to, a sleeve 82. Through the sleeve a rockshaft 84 extends the outer end of which carries a Split clamp closed by a screw 85 through which a graduated stem 86 passes. The lower end of the stem 86 is pivoted at 81 to one end of an adjustable link 88 the other end of which is pivoted at. 89

-' of the stud 99.

to the lever 14. By mechanism within the head 20 the sleeve 82 is oscillated to impart up-anddown movements to the feed foot I2, and the shaft 84 is oscillated to impart to-and-fro movements thereto, the path of the feed foot being substantially rectangular as disclosed in the above-mentioned applications. The length of feed may be varied by adjusting the stem 88 in its clamp and, in order that such adjustment of the stem 06 may not change materially the advanced position of the feed foot, the stem, instead of passing through the clamp centrally of the shaft 84, is inclined so as to lie substantially along an arc struck from the pivot 89 as a center.

An edge gage 90 (Fig. 3) has a vertical groove 92 thereon engaging a corresponding rib on a lever 94 and adjustably held by a screw 96 passing through a slot in the lever threaded into the gage 99. The lever is in two parts 94, 95 which are tongued and grooved together and held in lengthwise adjustment by a screw 91 passing through a horizontal slot in the part 94 and threaded into the part 95. The part 95 of the lever has a downward extension pivoted at 98 to the bifurcated upper end of a stud 99 secured to a dovetailed slide I00 fitted to move toward and from the table in a guideway formed in a rearward projection I02 of the member 14. The gage 90 is held up by a leaf spring I04 secured at one end to the slide I00 and bent upwardly to engage the lever 94, 95. Upward movement of the lever is limited by a screw I06 (Fig. 4) threaded through a projection I08 on the lever arranged to engage an upward extension H0 The lever 95 carries a roll II2 which engages an abutment plate I I4 on the machine head when the slide I00 is moved rearwardly, causing the gage to assume the position shown in Fig. 4 where the gage is below the plane of the table top and forms no obstruction to the passage of the shank projection P on an insole through the machine. The slide I00 carries a pin or stud IIB extending down through a slot H8 in the projection I02. The gage is operated by an arm I20 (Fig. 2) on a rockshaft I22 journaled in a bracket I24 secured to the member I4at I25, and the rockshaft I22 has also an arm I26. The arm I20 has a forked end engaging a block I28 apertured to receive the stud H0. The arm I26 is also forked to receive a block I30 mounted on a pin I32 secured to a disk I34 on the upper end of a vertical shaft I36 (Fig. 5) to the lower end of which a head I38 is secured by a binding stud I40, shown in Fig. '7, the stud having a circular notch to engage the shaft I36 and being movable endwise by a nut I42 to hold the head I38 on the shaft. On the. shaft I36 is a sleeve I44 (Fig. 5) having at its lower end a flange I45, the sleeve being fitted in the bracket I24 fixed to the table-carrying member I4. The sleeve is held from rotation in the bracket by a binding stud I46 similar to the stud I40.

The head I38 has a pair of ears I48 between which is pivoted a handle lever I50 by which the operatormoves the gage 90 relatively to the table, clockwise movement of the lever (Fig. 2) moving the gage forwardly over the table, the extreme position being used in applying the strip to the insole in the regions from B to C and D to E (Fig. 6). The gage is stopped in this position by a pin I52 on the under side of the disk I34 which then engages a surface I54 of-' the bracket I24 (Fig. 2).

i The lever I50 (Fig. 5) is held up yieldingly by a'spring I56 on a rod I5I pivoted at I58 to the head I38 and extending down through a large hole in the lever, the spring being located between the lever I50 and set nuts I60 on the rod. The spring I56 normally holds the lever I50 raised with an upstanding 'arm I64 on the lever engaging the lower end of the flanged sleeve I44. In the flanged end of the sleeve is a notch I66, and when the lever I50 is swun counterclockwise to retract the gage without being depressed, the arm I64 snaps into the notch I66 and holds the gage in position for operating on the insole at the toe region from C to D (Fig. 6). This position of the gage may beadjusted by loosening the binding stud I46 which allows the sleeve to be turned by the lever I50. The third position of the gage used in the shank portion from A to B is determined by a latch I10 pivoted at I58 to the head I38 and upheld by a compression spring I12.on a rod I14 pivoted at I16 to the latch extending through a large hole in the lever and provided with set nuts I18 beneath the lever, the spring I12 being between the lever and the latch and being weaker than the spring I56. The latch has a projecting por tion I80 which rests normally against the surface of a clamp collar I82 mounted on the flange I45 of the sleeve I44 and clamped thereon by'a screw I84 (Fig. 7). The collar I82 has a notch I86 which, when the lever I50 is depressed to release the arm I64 from the notch I66 and is swung rearwardly to retract the gage 90, is engaged by the projection I80 on the'latch, thus locating the gage for operation in the shank region from A to B (Fig. 6).

This is the position of the gage at the start of the operation of the gage on the insole in applying the strip from A to B. At B the operator depresses the lever to release the latch projection I80 from the notch I86 and to lower the arm I64 so that it will not catch on the slot I66 and moves the lever forward until the pin I52 on the disk I34 engages the surface I54 on the bracket I24, the center line of the lever I50 then coinciding with the line W in Fig. '1. With the gage in this position, the strip-laying operation proceeds to the point C, the lever I50 being then moved rearwardly until the arm I64 snaps into the slot I66 under the influence of the spring I56 which is stronger than the spring I12 which it compresses while the projection I80 of the latch I10 rides along the outer surface of the clamp collar I82. The lever I50 will now be in the position of the line X (Fig. 7).

When the point D is reached, the lever will be depressed to release the arm I64 from its notch and moved again tolposition W until the point E is reached where the gage must be removed from interference with the projection P of the insole. At this point the lever I50 is depressed to release both the arm I64 and the projection I80 from their respective notches and swung to position Z (Fig. 7). This movement of the lever causes an inclined face I90 on the upper end of the latch I10 to engage a corresponding inclined face I92 on a clamp collar I94 mounted on a surface of the bracket I24 concentric with the shaft I36 and held by a clamp screw I96. Engagement of the faces I90, I92 causes the latch to be moved outwardly against the spring I12 and, when the lever I50 reaches the position of line Z, the latch snaps behind a surface I91 on the collar, which surface extends radially of the collar, the lever I50 being thus latched in position Z. During movement of the lever from Y to Z the roll II2 on the lever 95 carrying the edge gage is; pushed against the abutment plate 4 and depressed against the leaf spring I04 to the position shown in Fig. 4 so as to clear the projection P of the insole. Further movement of the lever I50 after it has reached position Z and become latched is prevented by a clamp collar I98 on the disk I34, the collar having a projection I99 (Fig. 5) set to engage a surface on the bracket I24 when the lever assumes its extreme rearward position. The laying of the strip adjacent to the projectionP is completed either by eye or by a guide line K previously marked on the insole. Of course when laying the tape on a left insole, the operator would begin with the gage lever in position Z, then shifting'to position W, then to X, back to W, and then to Y at the finish.

' At the conclusion of the laying operation the strip is'severed by operation of a knife 200 (Fig. 3) which, in accordance with the present inven tion, is normally raised to avoid interference with the passage of the projection P when the gage is depressed. The knife carrier comprises a yoke 202 which is pivoted on two concentric shafts 204 (Fig. 2) extending inwardly from opposite sides of the machine head and held by set screws 205. The knife 260 is secured at 206 (Fig. 3) in the split end of a sliding shaft 208.

Secured at 209 to the yoke 202 is a rectangular block 2 I 0 bored to receive the shaft 208 and having a slot in its lower side to permit the cutting portion of the knife 200 to extend down beyond it. The shaft 208 is pivoted at 2I2 to a turn buckle link 2 I 4 which is pivoted at 2 I6 to one arm 2I8 of an angle lever fulcrumed at 220 and having an arm 222 (Fig. 3) connected to an operating rod 224 which may be connected to a treadle or operated by power,- as' in the applications above referred to. Seated in a rearward extension 226 of the yoke 262 is a plunger 221 backed by a spring 223, the plunger engaging a surface on the machine head and normally holding the yoke 202 carrying the knife 200 tipped clockwise (Fig. 3) so that the knife clears the projection P of the insole. The fulcrum 220 of the angle lever 2I0, 222 is on a bracket- 280 secured at 232 to the head frame 20, the bracket carrying an eccentric bearing 234 for a earn 236 connected by a link 238 to the lever arm 2I8. The upper edge of the cam engages a roll 249 carried by a rearward projection 242 (Fig. 2) of the yoke 202. A drop 244 (Fig. 3') in the surface of the cam determines the normal upraised position of the knife. As the rod 224 is pulled down to operate the knife the arm 2I8 pushes the knife toward the table and at the same time rotates the cam under the roll 240 until the roll engages a concentric portion 246 of the cam which determines the cutting position of the knife, further movement of the arm 2I8 moving the knife horizontally to sever the strip S from the insole at the breast line. By loosening a binding, stud 250 and turning a square head 252 on the eccentric bearing 234, the heightwise position of the line of cut of the knife 200 relatively to the surface of the insole may be varied, the position of the surface of the insole at the time of out being determined by the lower end of the guide 42 against which the insole is pressed by the table spring 22.

Machines of this type are adapted to apply ribbed strips to very thin insoles. For this work it was found that the tendency of the insole to hug the gage 90 was so strong that the thin insole tended to bend up at the edge where it engaged the gage. To reduce this tendency and enable rib strips. to be applied to verv thin. insoles, the center of the table has been shifted 1% of an to the right (Fig. 2,) so that the feed foot ends its feed stroke a little to the left of a. direct frontto-rear radius of the table and the portion of the table against which the feed foot is applyin pressure is moving away from the edge gag rather than toward it sufliciently to relieve undue pressure of the edge of the insole against the edge gage.

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 applying ribbed strips to orthopedic insoles to form sewing ribs thereon having, in combination, a work support, means for applying a ribbed strip to an insole on said support, a gage engaging the edge of the insole, a hand lever for moving the gage relatively to the support to vary the distance from the edge of the insole to the rib of the strip, and means responsive to extreme retractive movement of the lever for lowering the gage below the piane of the support.

2. A machine for applying ribbed to orthopedic insoles to form sewing ribs thereon having, in combination, a support for an insole, means for applying a ribbed strip to the insole, a gage for engaging an edge face of the insole, a plurality of stops for the gage, means for shifting the gage against each stop in turn without interrupting the operation of the machine to cause the strip to be applied to the insole at different predetermined distances from the edge thereof, and means responsive to further movement of said shifting means for depressing the gage below the work support.

3. A machine for applying ribbed strips to orthopedic insoles to form sewing ribs thereon having, in combination, a support for an insole, means for progressively applying a strip to the insole adjacent to the edge thereof, a shiftable gage for engaging the edge face of the insole to determine the position of the strip with respect to the edge of the insole, a plurality of stops for the gage, a lever for shifting the gage against said stops in turn 'during operation of the machine to cause the strip to be applied to the insole at different distances from its edge during the application of the strip to the insole, and means acting in response to extreme movement of the lever to cause the gage to be depressed below the support.

i. A machine for applying ribbed strips to orthopedic insoles to form sewing ribs thereon having, in combination, a support for an insole, means for progressively applying a strip to the insole adjacent to the edge thereof, an edge gage for engaging the edge face of the insole to determine the position of the strip with respect to the edge of the insole, a slide to which the gage is pivoted below the support, a spring supporting the gage, a hand lever for moving the slide transversely of the line of feed during operation of the machine, a plurality of stops for the lever to set the eagefor applying the strip at different distances from the edge of the insole, and an abutment for the gage, extreme retractive movement of said slide by said lever causing the gage to be pressed against the abutment and depressed about its pivot against said spring to permit passage of a shank projection on the insole over the gage.

5,. A machine for applying ribbed strips to orthopedic. insoles to form sewing ribs having, in combination, a support for an insole, means for progressively applying a strip to the insole, an edge gage for engagmg the edge face of the insole, a plurality of stops for the gage, means for shifting. the gage against said stops in turn without interrupting the operation of the machine to cause the strip to be applied to the insole at different predetermined distances from the edge thereof, said shifting means being operable beyond said stops, means responsive to such movement of the shifting meam for causing the gage to be depressed below the plane of the support to permit passage of the shank projection over the gage, a knife for severing the strip normally raised above the path of the shank projection, and means for lowering the knife and moving its edge inwardly of the insole along a line parallel to the upper face of the insole to sever the strip.

6. A machine for applying ribbed strips to orthopedic insoles to form sewing ribs thereon having, in combination, a support for an insole, means for progressively applying a strip to the insole, an edge gage for engaging the edge face of the insole, a plurality of stops for the gage,

. means for shifting the gage against said stops in turn without interrupting the operation of the machine to cause the strip to be applied to the insole at different predetermined distances from the edge thereof, said shifting means being operable beyond said stops, means responsive to such movement of the shifting means for causing the gage to be depressed below the plane of the support to permit passage of the shank projection over the gage, a knife for severing the strip normally raised above the path of the shank projection, means including a cam for lowering the knife, means including a lever for moving the knife endwise across the strip on the insole, and means between the cam and the angle lever to operate the cam.

7. A machine for applying ribbed strips to thin insoles to provide sewing ribs thereon having, in combination, a four-motion feed foot for pressing the strip on an insole and feeding the Work, a horizontal rotary table against which the insole is pressed by the feed foot during its feed movement, and an edge gage to guide the edge of the insole across the table, the center of the table being ofiset opposite to the direction of feed to reduce the pressure of the insole against the edge ga e.

NORMAN E. MARINER.

No references cited.

Images