US2903723A - Adjustable sole gauge for rib applying machine - Google Patents

Description

E. H. HANSON ET AL ADJUSTABLE SOLE GAUGE FOR RIB APPLYING MACHINE Filed Feb. 8, 1957 Sept. 15, 1959 2 Sheets-Sheet 1 AmwQm IFOmv INVENTORS EINAR H. HANSON KENNETH G.

STROM ATTORNEYS Sept. 15, 1959 E. H. HANSON EI'AL 2,903,723

ADJUSTABLE SOLE GAUGE FOR RIB APPLYING MACHINE Filed Feb. 8, 1957 2 Sheets-Sheet 2 INVENTORS EINAR H. HANSON KENNETH G. STROM I -yw W ATTORNEYS United States Patent ADJUSTABLE SOLE GAUGE FOR RIB APPLYING MACHINE Einar H. Hanson, Lynn, and Kenneth G. Strom, Saugns, Mass., assignors to Prime Manufacturing Company, Lynn, Mass, a corporation of Massachusetts Application February 8, 1957, Serial No. 639,019

4 Claims. (Cl. 12-20) This invention comprises a new and improved edge gauge mechanism for rib applying machines operating to apply a sewing rib to a fiat insole blank preparatory to the manufacture of welt shoes.

In preparing welt insoles it is desirable to space the sewing rib a substantial distance within the margin of the insole throughout its shank portions, to locate the rib more closely adjacent to the margin of the insole throughout the ball portion on both sides thereof, and to locate the rib about the toe portion of the shoe with an intermediate spacing, that is to say, intermediate between the spacing of the rib in the shank and in the ball portions of the insole. The edge gauge of the present invention is designed to enable the operator conveniently and accurately to make these three required settings of the edge gauge in the required order as the insole is automatically fed through the machine at a high rate of speed.

The improved gauge mechanism is herein shown in a machine so constructed and arranged that the sole supporting element together with the edge gauge is movable from operative to inoperative position at the conclusion of each rib applying operation in order to permit the insertion of fresh work to the machine. A feature of the invention resides in an adjustable edge gauge so organized as to take part in such movement of the sole support while preserving its integrity against disburbance or misplacement.

Another feature of the invention comprises adjustable stops for determining the range of movement of the gauge in combination with means for adjustably determining an intermediate position.

These and other features of the invention will be best understood and appreciated from the following description of a preferred embodiment thereof selected for purposes of illustration and shown in the accompanying drawings in which:

Fig. l is a plan view showing the sole-supporting and gauging mechanism with a portion of an insole in operative position,

Fig. 2 is a plan view of a ribbed insole illustrating the desired spacing of the sewing rib,

Fig. 3 is a view in elevation, partly in section, on the line 33 of Fig. 1,

Fig. 4 is an end view of the sole-supporting roll and adjustable parts, and

Fig. 5 is a cross-sectional view on the line 55 of Fig. 1.

For purposes of illustration the gauge mechanism of the present invention is shown as embodied in a rib applying machine of the type shown in U.S. Patent No. 2,142,332, Ridderstrorn, to which reference may be had for further details of the machine which are not illustrated herein. As in the machine of that patent the solesupporting and gauging mechanisms are carried by an arm pivotally mounted in the frame of the machine for downward movement from operative to inoperative posi- 'ice tion with respect to the sole feeding and strip guiding elements of the machine which are mounted at a fixed level. The arm 10 is held temporarily at its lower inoperative position by a pair of toggle links, the lower of which is partially shown in Figs. 1 and 3. When this toggle is broken, the arm 10 and all the parts carried thereby are lifted to operative position.

The work support comprises a roll 12 mounted to rotate freely about a horizontal axis and cooperating with the roll is a pair of feed feet 13, shown in Fig. 4, which are operated as shown in the patent above identified to engage the rib stripping as it is directed to the insole 16 and advance the insole and rib to the left as shown in Fig. 4. A portion of the rib stripping guide 14 is shown in Fig. 1 and this, as already noted, is maintained at a fixed level in the organization of the machine. The stripping 15 is shown in Figs. 1 and 4 as it is directed to the upper face of an insole 16.

Fig. 2 shows a welt insole 16 as produced by the mechanism of the invention with an upright sewing rib 15 correctly located thereon. In practice the operator starts at approximately the breast line on the inside shank portion of the insole with the gauge set to space the rib inwardly from the edge of the sole. As the ball is reached the location of the rib is shifted outwardly so that the outer flange of the rib coincides with the edge of the sole. This spacing is continued until the toe is reached whereupon the gauge is shifted to locate the rib again inwardly from the edge of the insole but with less spacing than that employed in the shank. After rounding the toe the gauge is shifted outwardly in passing about the ball of the sole, and finally the gauge is shifted inwardly for the relatively wide spacing required in the outside shank. The gauge mechanism for effecting these desired shifts will now be described. I

A block or base member 17 is fixedly connected to the arm 10 and has an upstanding land or platform portion 18 in which is journaled an upright pivot shaft 20. To the lower end of this shaft is pinned the forward portion 19 of a hand lever 21 arranged to swing about the axis of the shaft 20 beneath the base member 17 and in so doing to rock the shaft 20. The outer edge of the base member 17 is curved on a radius from the axis of the pivot shaft 20 and provided with an intermediate detent 22 with which cooperates a spring retracted dog or bolt 23 arranged to be advanced by the operator into engagement with the detent 22 by a trigger 24 pivotally mounted on the hand lever 21. In Figs. 1 and 3 the trigger is shown as rocked by the operator so that the bolt 23 is advanced against spring pressure into a position to engage the detent 22 when the hand lever is rocked in counter-clockwise direction as shown in Fig. 1.

The bolt 23 is mounted in a block 25 adjustably supported between arms 26 and 27 fast to the hand lever. The block 25 is carried by an adjusting screw which passes through the arms 26 and 27 and is provided with an operating knob 28 at one end and with lock nuts 29 at the other. It will be seen that by turning the adjusting screw 28 the relative position of the bolt 23 and the hand lever may be adjusted and the intermediate position of the lever thus regulated. A short key-way is provided in the upper surface of the bolt 23 for the reception of a screw 30 which is threaded into the block 25 and serves to hold the bolt 23 against twisting.

The edge gauge 31 itself is formed as a part of a plate screwed to an underlying plate 32 as shown in Figs. 1 and 5. The plate 32, in turn, is secured to the outer end of a transverse shaft 33. An inner shaft 34 is telescopically and adjustably received in the shaft 33 and provided at its inner end with an enlarged head to which is secured a plate 35. To the plate 35 is secured a block 36 carrying-an-angle piece 37 and forming therewitha yoke opening toward the left as shown in-Fig. 1. A ball end crank arm 38 is received between the sides of the yoke 36, 37 and this projects outwardly from an enlarged-head 20"-formed as a- -partofi-the pivot shaft '29. It willbe seen that oscillation ef-thehand lever-isetfec- -tive to roekthe crank =arm 38 shitting the yoke :36 37 in one' direction or the other and-:correspondingly"moving the -edge-;gauge' 31 through its telescopic shaft connectiens.

An abutment screw 39 projects-downwardly from-the -bottem-of= the base member117 and this is arranged to -.beengaged by one-orthe'other of adjusting screws ltl and-"41 threaded into opposite sides'of the-hand lever 19, 21. 'These screws-by-engaging-theabutment adjustably limit theoscillation of the handleverand define its range of movement.

In practice the operator will start the-machine with the hand lever-positioned-by the adjustingtscrewtl as indicated by the Start and Finishposi-tion indicated in Fig. l-with the edge gauge 31. in its position ofadvance to control the wide inside shank spacingof the rib as applied to the insole. in reaching the ball of the solethe operator will swing the-hand lever in-a clockmrise direction until arrested by=-the"adjust-ingscrew .46- with the gauge in its'position of minimum-advance corresponding to the outward position ofthe-rib. -Whenthe toe of thesole is reached theoperator will swing the'hand lever in'acounter-clockwise direction until the bolt =23 engages the 'detent 22, holding the edge gauge 31 in an intermediate position corresponding to the desired spacingof the rib about-thetoe portion of the insole. After the toe has been passed the-operator will swing the hand lever'back again to the adjusting screw -40 and for the outside shank spacing the trigger 24 will be released and the-bolt 23 retracted so thatthe'hand lever may be moved without interruption back to starting position determined by the adjusting-screw 41. It will also be apparent that the single adjustment of the lever 21 by the adjusting -screw"28 results in a corresponding adjustment of the edge gauge31 in all three of its operating positions. A

Having thus disclosed our invention and described in -detail-a-preferredembodiment thereof,-We--claim-as-new and desire to secure by Letters Patent:

1. In a rib applying machine, gauge mechanism comprising a base member supported for bodily movement to and from operative position, an upright pivot shaft journaled in the base :member, a hand lever pivotally connected tothe shaft belowtthe base member, an abutment projecting below the base member, stop screws carried by the hand lever and arranged to contact the abutmentadjustablys to limit. the-movement .of the: hand lever in opposite directions and a sole-gauge connected characterized by a crank arm carried by the uprightnpivot shaft and a cooperating yoke forrning-a partoftheconnection: to the sole gauge.

4. "Gauge mechanism'for =a rib applying machine comprising -a base member having an upright pivot shaft extending above; and below it, a handlever fast to the lower end of the-pivot shaft anda crank arm fast -to-its upper end,:amabutment projecting from the"base-mem ber,: opposed adjustingscrews :mounted on, the-hand lever in :positionto engage opposite sides -of:the abutment -and:so define its range of oscillation about the axis of said pivot shaft,=-releasable-meansfor arresting the hand lever-in anintermediate position within its range-of movement; a sole gauge, and operating connection therefor operated by the crank arm-of the-pivot shaft.

References'Cited in the -file. of this patent UN E .ST E P E T Ridderstrom Jan. '3, 1939 Clark July 3, 1956

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