US469525A

US469525A - muther

Info

Publication number: US469525A
Authority: US
Publication date: 1892-02-23
Anticipated expiration: 1909-02-23

Description

(No Model.) Y 2 Sheets-Sheet 1.

L. MUTHER. MACHINE POR SEWING LOOPBD FABRICS. No. 469,525. Patented Feb. 23, 1892.

. mmtofa @M f @@m (No Model.) 2 Sheets-Sheet 2.

L. MUTHER.

MACHINE IOR SEWING LOOPBD FABRIGSt No. 469,525. Patented Feb. v23, 1892.

WMe/Joao www Ulvrrni) STATES PATENT OFFICE.

LORENZ vMUTHER, OF OAK PARK, ILLINOIS, ASSIGNOR TO THE UNION SPECIAL SEIVING MACHINE COMPANY, OF SAME PLACE.

MACHINE FOR SEWING LOOPED FABRICS.

SECIFICATION forming part of Letters Patent No. 469,525, dated February 23, 1892.

Application filed September 18, 1891. Serial No. 406,143. (No model.)

To @ZZ whom zit may concern:

Be it known that I, LORENZ MUTHER, a citizen of the United States, residing at Oak Park, in the county of Oook and State of Illinois, have invented certain new and useful Improvements in Machines for SewingLooped Fabrics, of which the following is a description, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

My invention relates to that class of machines known as machines for sewing looped fabrics, used for uniting the two selvage edges of knitted fabrics or for sewing together the cuffs and body portions of shirts and drawers, Heretofore many special machines 'for this purpose have been devised, but all are of special construction and very complicated. Furthermore, many are Apractically of little value, because of the difficulty experienced in placing the goods in position to be operated upon and the liability of the machines to get out of order because of their complicated nature.

It is the object of the present invention to provide a more simple machine than those now on the market and yet one more effective in practice.

To carry out the object, therefore, the invention relates in its broadest sense to means in various other matters, all hereinafter described, and referred to in Y the appended claims.

My invention is illustrated in the accompanying drawings, in which-M Figure l is a side elevation of my improved machine, part being broken away. Fig. 2 is a bottom plan view; and Fig. 3 isaview similar to Fig. l, but from the opposite side.

both those for straight sewing and those fori` making irregular stitches. i

Other features of the invention are especially applicable to the type of machine shown and are claimed in combination therewith.V

In the drawings, A represents the frame of the machine, attached, as shown, to asuitable bracket B on a table in such a way that the needle reciprocates in a horizontal direction and the looper vibrates vertically and the parts extend out beyond the table, thereby rendering it possible to apply to the machine a horizontally-rotating material-carrying cylinder, which shall be easy of access for the purpose of putting on the goods.

C is the main shaft of the sewing-machine, as herein shown arranged vertically and actuated in the usual way by a belt over the wheel a.

D isthe needle-arm, pivoted on the'main overhanging arm or goose-neck of the machine and oscillated by the rod h, secured to the eccentric c on the main shaft. This needle-arm has a link connection with the needle-bar, whereby a reciprocatory movement is given thereto. The needle used is the ordinary eye-pointed needle and is attached to .the bar in the usual way. The looper CZ', which acts in conjunction with the eye-pointed needle to form the stitch, receives its forwardand-back oscillation from the needle-arm D by means of the connecting pitman-rod F.

The operation of the parts and the manner of forming the stitch are the same as those described in connection with said Patent No.

IOO

299,568 and need not be herein specifically referred to.

To hold the pieces of fabric while their edges are being united, I have provided the cylinder G, which has on its outer periphery pins or points g, upon which the pieces of goods are impaled and heldin proper position to be acted upon by the sewing mechanism. This cylinder is journaled ona suitable axle h. Secured to a vertical overhanging arm of the machine is a bracket II, having a socket adapted for the reception of a squared portion t' on the aXle h, whereby the axle is prevented from turning when placed on the bracket. This bracket is also provided with grooves, through which the presser-foot bar and` needle-bar play. The rear end of the axle,- which projects through the socket, is 'screw-threaded at 7c and is adapted to receive a nut l, which is screwed firmly against the edge of the bracket and holds the cylinder securely in position.

In order to properly feed forward the goods, I` have provided the following means for giving a rotary motion to the material-carrying cylinder: Upon the main shaft of the machine is formed a worm I, meshing with a worm-wheelJ on the end of a shaft K, passing through a bearing formed in an arm L, attached to the frame of the machine. This shaft K carries on its outer end a beveled gear-wheel fm., which meshes with a beveled gear-wheel nt on the end of a shaft K', running parallel with the main shaft and having a bearing on the arm L. This shaft K has loosely mounted upon its opposite end` a gearwheel fn, adapted to mesh with the gear M, secured on the rotating cylinder G. A clutch Nforms the operative connection between the shaft K and the rotating cylinder. This clutch consists of the two members o o', one 0 formed with the gear-wheel n and the other formed with the collar O, having an inclined face and splined on the shaft K'. A spring p keeps the collar O normally pressed forward and the members of the clutch in contact. The clutch is controlled through the movement of the presser-foot. The presser-foot proper P is of the usual construction, but is provided with an extension P', passi-ng within the periphery of the cylinder and bent in such a way as to guide the goods more certainly to the needle. The presser-foot-operating mechanism consists of the ordinary bar q andthe supplemental bar q', attached thereto. Movement is imparted to the presser-foot in the ordinary way by means of the cam-lever o'. Attached to the supplemental presserfoot bar q' is a stud or projection s, which eX- tends into contact with the inclined face of the collar O, whereby in the upward movement of the presser-foot the collar and member o of the clutch are forced along the shaft K out of contact with the member o of the clutch, thereby allowing the wheel n, loosely mounted on the shaft K', and therefore the cylinder itself, to rotate independently of the drivingshaft.

If, therefore, when the machine is in operation a stitch breaks, it is only necessary to raise the presser-foot, thereby releasing the clutch, and rotate the cylinder back to the desired position for taking up the work again. Any suitable trimmer for trimming off the fabric may be applied to the machine, as may also stripping-plates for stripping off the fabric from the cylinder. Such features do not form part of the present application, however, as they are shown, described, and claimed in an application filed by me January 27, 1892, Serial No. 419,456.

Ill-order to provide for more securely holding the goods at the point where they are to be stitched, I have provided a s'lot t (see Fig.

2) in the throat-plate, into which the pins onV the cylinder extend in its movement, and by the passage of the pins into this slot thematerial is forced more securely upon the pins at the place where the operation of sewing is accomplished. This slot is of width sufficient only to accommodate the pins, so that the edges of the slot act to bind the'goods on the cylinder, the presser-foot holding the part through which the stitch passes firmly against the throat-plate. y

It will be understood that while I have shown the cylinder as supported by a bracket attached to the head or goose-neck of the machine any other means of attachment to the same or corresponding part may be substituted, the object being to avoid the defect existing in machines for the same purpose as now constructed, in which great difficulty is experienced in placing the goods on the cylthe invention comprising in its broadest sense a main vertical shaft, a vertical overhanging arm, with a material-carrying cylinder horizontally disposed` and secured to said arm, and intermediate operative mechanism whereby the fabric is fed and the stitches placed therein, as hereinafter described and claimed.

I am aware that a horizontally-rotatin g cylinder provided with grooved needles on which successive loops of the fabric may be im paled has been constructed with a reciprocating looper having a movement in the groove of said needles, such construction being shown in patent to Pearson, No. 273,143, dated February 27, 1883, as have also many other machines for sewing looped fabrics; but never, so far as I am aware, have a horizontally-reciprocating thread-carryin g eye-pointed needle and a vertically-swinging looper co-operating with the needle to form the stitch been combined with a horizontally-rotating cylinder carrying pins upon which the body of the fabrics are impaled, the edges to be joined extending out into position to be acted uponby the stitchforming mechanism.

In operation it will be understood that the IOO IIO

fabrics to be joined are impaled upon the pins of the cylinder with the edges extending out beyond the cylinder into the line of the stitch-forming mechanism. The presser-foot is then forced down, clamping the edges of the material against the work-plate and causing the clutch on the shaft K to be connected, when in the movement of the main shaft to operate the sewing mechanism to form the stitches the cylinder will be fed around continuously to carry the material forward.

I am aware of the construction shown in the patent to Dinsmore February Il, 1879, Reissue No. 8,575, and do not claim the construction therein shown.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is

l. In a sewing-machine, the combination, with the main vertically-arranged shaft and vertically-arranged overhanging arm, of a horizontally-rotatable material-carrying cylinder journaled to and rotating beneath said arm, and intermediate operative mechanism whereby the fabric is fed and the stitches placed therein, substantially as described.

2. In a sewing-machine, the combination, with the main vertical shaft and the vertical overhanging arm or goose-neck A, of the horizontally-rotatable material-carrying cylinder G, attached to said overhan ging arm or gooseneck, a vertically-arranged needle-arm lever and a horizontally-reciprocating needle-bar arranged just above the material-carrying cylinder, and complement-al stitch-forming mechanism, substantially as described.

3. In a machine for sewing looped fabrics and the like, a suitable bracket B, a vertically-arranged main shaft supported therefrom, a vertical overhanging arm or gooseneck A, a bracket secured to the lower end thereof, a horizontally-rotatable material-carrying cylinder supported from said bracket, a vertically-arranged needle-arm lever and a horizontally reciprocating needle carrying .bar arranged just above the material-carrylng cylinder, and a vertically-reciprocating looper co-operating with the needle to form the stitches, substantially as described.

4. In combination with the main vertical shaft, the vertical overhanging arm, and the stitch-forming mechanism of a sewing-machine, a bracket attached to the lower end of said overhanging arm, said bracket being provided with a socket, an axle h, fitting in said socket, a horizontally-arranged cylinder loosely journaled on said axle and having pins on its periphery for carrying the material, and connections between the main shaft and the cylinder for giving the latter rotary motion, substantially as described.

5. In combination with the main shaft,

stitchforming mechanism, rotatable materialcarrying cylinder, and presser-foot, a clutch connection between the main shaft and the rotatable cylinder and means by which the same is controlled by the movement of the presser-foot, substantially as described.

G. The combination, with the main vertical shaft, the vertical overhanging arm, and the stitch-forming mechanism of a sewing-machine, of a bracket attached to the lower end of said overhanging arm, having a socket, an axle h, having a squared portion adapted to be inserted in the socket and screw-threaded on the upper end, a nut fitting thereon for holding the axle in position, a horizontallyrotating material-carryin g cylinder j ournaled on said axle 7L, said cylinder being provided with a suitable gear-wheel, operative connections between the main shaft and said gearwheel, and a clutch for controlling said connections, substantially as described.

7. The combination, with the main Vertical shaft, the vertical overhanging arm, and the stitch-forming mechanism of a sewing-machine, of a bracket attached to, the lower end of said overhanging arm, a.presserfoot and the usual operating mechanism therefor,` the bracket having a socket and guides for the passage of the presser-foot and needle-bars, an axle, as h, adapted to lit in said socket, a horizontally-arranged cylinder rotatable on said axle and having a gear-wheel, operative connections, as I .I K m m K n, between the `main shaft and the gear-wheel, and a clutch for throwing the cylinder into and out ofvoperation, saidclutch comprising the member o, formed with the gear-wheel n, and the other member o', having the collar O provided with an inclined face, the supplemental presserfoot bar having a stud for throwing the clutch out of engagement, and a spring for returning the same, substantially as described.

8. In a sewing-machine, the combination, with the main vertically-arranged shaft and verticallyarranged overhanging arm, of a horizontally-rotatable material-carrying cylinder secured to said arm and provided with pins on its periphery, on which the material is impa-led, mechanism for operating said cylinder, a horizontally-reciprocating needle and complemental stitch-forming mechanism, .and a throat-plate provided with a slot adapted for the reception of the pins, whereby thc material is forced more firmly on the cylinder, substantially as described. A

In testimony whereof I affix my signature in presence of two witnesses.

LORENZ MUTHER. Witnesses:

W. S. NORTH, CHESTER MCNEIL.

IIO

It is hereby certified that the residence of the' assignee in Letters Patent N o. 469,525,

granted February 23, 1892, upon the application ot' Lorenz Muther, of Oak Park,`

Illinois, for an improvement in Machines for Sewing1 Looped Fabrics,77 was erroneously written and printed of saine p1ace,7 (11.0. Oak Park, Illinois), Whereas said residence should have been Written and printed Chicago, Illinois; andthat the said Letters Patent should be read with this correction therein that the saine may conform to the record of the case in the Patent Ofce.

Signed, countersigned, and sealed this lst day of March, A. D. 1892.

CYRUS BUSSEY,4 Assistant Secretary of the Interior.

[SEAL] Countersigned W. E. SIMONDS,

C'oininissimunn of Patents.