US2201465A

US2201465A - Marking machine

Info

Publication number: US2201465A
Application number: US212471A
Authority: US
Inventors: Andersen Laurits
Original assignee: T J EDWARDS Inc
Current assignee: T J EDWARDS Inc
Priority date: 1938-06-08
Filing date: 1938-06-08
Publication date: 1940-05-21
Anticipated expiration: 1957-05-21

Description

May 2l, 1940. L. ANDI-:RsEN

MARKING MACHINE Filed June 8, 1938 2 Sheets-Sheet 1.

l l d l I ATTORNEY May 21, 1940. .v ANnERsx-:N

MARKING MACHINE Filed June 8, 1938 2 Sheets-Sheet 2 IAA BY m hlm/(xr) ATTORNEY Patented May 21, 1940 PATENT OFFICE MARKING MACHINE Laurits Andersen, Boston, Mass., assignor. to T. J. Edwards, Inc., Boston, Mass., a corporation of Massachusetts 'Application -Jlune 8,r 1938, Serial No. 212,471

1 claim. ,101. 1v1-29s) The present invention relates to machines of the type in which a properly shaped applying die impresses material onv a previously positioned piece of work. As disclosed in the Edwards Patents No. 1,796,686, March 17, 1931, and No. 2,113,684, April 12, 1938, the material impressedV uponl the work maybe ink or cement. -In the machines disclosed in these patents, the applying die is mounted on a carrier provided with an operating'. handle which is manipulated by the operative to swing the carrier from a position where the die picks up the material to a position where the die deposits the material upon the work.- These dies have become complicated and, in consequence, it has been dicult heretofore for the operative, usually a girl, to exert suflicient pressure through the operating handle to impress the die properly on the work. It has been proposed heretofore to provide this type of machine with a treadle operated mechanism, but it proved unsatisfactory and made no impression in the art commercially, principally because itv required the use of one pedal toswing the die to a position where it picked up the material and another pedal to swing the die to a position where it deposited the picked up material upon the work.

The principal objects of the present invention are to produce a machine of the type referred to in which the die is swung from a material-receiving position to a position where it is pressed against a piece of work by treadle operated mechanism having a leverage to exert the desired pressure between the-die and the 35 work and to provide the treadle of said mechanism with a pedal convenient for use by leftfooted, right-footed or pedidextrous operatives.

To the accomplishment of these objects, the

features of the present invention consist in cer- 40 tain devices, combinations and arrangement of parts hereinafter described and then pointed out in detail in the appended claim which possesses advantages readily apparent to those 45 skilled in the art.

'I'he various features of the present invention will be readily understood from an inspection of the accompanying drawings illustrating the best form of the invention at present known to the inventor, in which,

Figure l is a view in plan of the machine, herein shown, for purposes of disclosure, as an ink-marker;

Fig. 2 is a detail view in sectional elevation on the line 2-2, Fig. 3;

Fig. 3 is a detail View in longitudinal sectional elevation, and I Fig. 4 is a detail view in front elevation of the lower portionof the treadle showing the selected positions in which the pedal may be `oifset 5 laterally.

A machine such as is herein illustrated may be utilized for marking an ink line on an upper blank for use as a guide line in a subsequent operation or for applying cement to many different sorts of work pieces. It will be described herein as utilized for applying ink lines to a vamp. When the machine is utilized for this particular purpose, it will be provided with an applying die 5, (Fig. 3), which is mounted on a backing board 6. The backing board 6 is interchangeable with others carrying dies having different configurations, or capable of different uses, and is therefore detachably connected to a cross-head or carrier 'I substantially in the man- 20 ner illustrated and described in the patent toA Woodworth numbered 1,639,360 and dated August 16, 1927.

The carrier 'I is supported at the upper ends of four parallel links comprising two forward 25 links 8, (Figs. 1 and 3), and two rear links 9. The forward links are mountedon a horizontal shaft I0 journalled in the frame I I of the machine which at one end supports an ink pad I2, (Fig. 3), and at the other end has a work table 30 I3 upon which the work I4, (Fig. 1), to be marked is supported, it being understood that `a gauge plate is interposed between the table and the work.

The rear links 9 are secured to a horizontal shaft I5, (Figs. 1 and 3), journalled in the frame Il. Secured at the center of 'the shaft I5, (Fig. 3), is a gear I6 which meshes with a rack I1 cast integrally with a casting I8 secured to the front face of a yoke I9. In effect, the yoke I9 and the arms thereof consists the horizontal arm of a bell-crank lever 20 pivoted on a rod 2l, the opposite ends of which are secured to the frame II. The axis of the shaft I5 and the centerline of the rod 2l are mounteda in the same horizontal plane. The rack I'l is formed on a curve, the center of which lies in the centerline of the rod 2I. The vertical arm of the bell-crank lever l 20 constitutes a treadle 22 having a pedal 23 sure on the die when it is swung into engagement with the work.

By curving the rack l1 about a center lying in the centerline of the rod 2l which in turn is mounted in the same horizontal plane of the shaft i5, a smooth easy action is obtained through which the shaft l5 is rotated by the depression of the pedal 23.

In Order to maintain the die 5 normally in engagement with the rubber pad l2, the treadle is connected operatively to the frame Il by a coiled spring 25. When the operative depresses the pedal 23, the die 5 is swung from the position where it engages the ink pad l2 to a position where it engages the vamp I4 and deposits ink thereon to form the ink lines 26. When the pedal 23 is released, the spring 25 returns the die to the ink pad.

Experience has demonstratedl that of the operatives of this type of machine, some are leftiooted, some are right-footed and some are pedi dextrous, the latter shifting from one foot to the other at will to relieve the strain on the legs. In order to accommodate the machine to these various characteristics, the jointed extremity of the treadle 22 is provided with a yoke 27 across the arms of which a pin 2 8 is rigidly mounted. The pedal 23, like a rubber-tread bicycle pedal, is rotatably mounted on a rod 2Q projecting from a head 30 which is pivotally mounted on the pin 28. With this construction, the pedal may be offset to the right or to the left to accommodate right-footed and left-footed operatives, respectively, the bottom of the yoke 21 serving as a stop to limit the movement of the pedal in either` direction. Some girls are pedidextrous and appreciate being able to swing the pedal to the right in position for operation by the right foot and then, when the right leg tires, being able to swing the pedal to the left in position for operation by the left foot.

What is claimed as new, is:

In a machine for depositing material upon a work piece, a frame having a source of material supply at one end, and a work support at the other end, a material depositing die, a shaft journalled in the frame, .parallel swinging links supporting said die, at least one of the links being secured to the shaft, a gear on the shaft, and means for rotating the shaft to swing the die from a position above the source of material supply to a position where the die contacts with a work piece on the support comprising al lever of the first order, pivoted from the frame, one arm of the lever having a curved rack engaged with the gear, the axes of the shaft and the lever lying in the same horizontal plane, the center of curvature of the rack lying ln the axis of the lever.

LAURITS ANDERSEN.