US1439324A - Braiding carrier - Google Patents

Description

Dec. 19, 1922. v 1,439,324. A. PETERSEN.

BRAIDING CARRIER.

FILED JULY 30.1920. 3 SHEETS-SHEET I.

, g lvzwavw'aff bziaerl eeawem Dec. 19, 1922.

. 1,439,324. A. PETERSEN. I

BRAIDING CARRIER.

FILED JULY 30, i920. 3 SHEETSSHEET 2- Dec. 19, 1922. 1,439,324. A. PETERSEN.

BRAIDING CARRIER.

FILED JULY 30 1920. s SHEETS-SHEET 3.

Eve niro 1" ;77z76e rl eieraen Patented Dec. 19, IOZZ.

UNITED STATE ream earanr ANKER PETERSEN, OF WINTHROP, MASSACHUSETTS, ASSIGN OR TO AMERICAN WIRE- MOLD COMPANY, OF HARTFORD, CONNECTICUT, A CORPORATION OF CONNECTICUT.

BRAIDING CARRIER.

Application filed July 30,

To all whom it may concern:

Be it known that I, ANKER PETERSEN, a citizen of the United States of America, and resident. of \Vinthrop, in the county of Suffolk and State of Massachusetts, have invented new and useful Improvements in Braiding Carriers, of which the following is a specification.

This invention relates to braiding machines and particularly to braiding machines of that typeemploying a main revolving frame within which a series of thread carriers are revolved in the opposite direction by a revolving roller frame, the main revolving frame carrying strand guides for passing strands over and under said thread carriers. In machines of the above character, the bobbin carriers, or, as they are commonly known in the art, braiding carriers, are caused to revolve about the center of the machine by engagement therewith of pairs-of spaced-drive rolls, said drive rolls being revolved by suitable means and pushing the braiding carriers throughout their. circuit, one of the rolls of a pair serving as the main driving element and the other acting to restrain the carrier in its movement and to keep it in close contact with the driving roll. The employment of two such rolls is, however, undesirable as it adds to the weight of the revolving parts, as well as adding to the cost of construction and maintenance of the mechanism. It has therefore been proposed to omit one of the rolls leaving only the driving roll in use, but in such an arrangement it is found that the carrier tends to jump ahead ofthedriving roll 'whereby the proper spacing of the braiding strands is interfered with.

One object of the present invention is to provide an arrangement whereby the use of a single drive'roll for moving the carrier is permitted, while avoiding the difficulties inherent in such a construction as have been pointed out. To this end it is proposed to provide a braiding carrier with brake mechanism which serves to restrain the carrier in its movements whereby just suflicient drag may be imparted thereto to insure its constant engagement with the drive roll. Such a brake member may, if desired,-be mounted upon the carrier and arranged to resiliently engage a relatively fixed surface.

In machines of the above character, the

1920. Serial No. 400,173.

braiding carriers commonly employed consist of open horizontal frames within which are journaled the bobbins or spools upon substantially horizontal axes. course, necessary to provide for the removalof the spool when empty and for the replacement in the carrier of a full spool or bobbin. Arrangements heretofore employed for permitting the ready removal and insertion of the bobbin have been of more or less complicated character requiring close attention for the proper placing of the bobbin in position, such devices being furthermore subject to rapid deterioration in use and requiring frequent repair.

An object of the present invention is to provide a braiding carrier with simple and eflicient means for overcoming the diificulties found to exist in prior devices as above outlined and to this end the carrier may be constructed, if desired, with an open-ended notch serving as a bearing for one end of the bobbin and a latch of proper form normally serving to close the open end of said notch and which may be readily removed to permit the insertion or removal of a bobbin spindle within said notch.

In machines of the character above noted, the braiding carriers which are driven by the roll frame, move in a substantially horizontal circular path, while the strands of thread coming from the outer series of thread carriers are moved alternately over and under successive carriers of the inner series. It is desirable in such movement that the strands from the outer series he kept from contact with the bobbins of the inner series, in order to avoid unnecessary friction upon the strands and also to prevent interference of the strands from the two series of bobbins.

lVhile it has been customary to provide a guard at one end of the bobbin carrier of the inner series and adjacent one side of the same, such guards have not been found entirely satisfactory in the past, and it is further object of the present. invention to provide a guard of improved form for this purpose. To this end it is proposed to mount upon the inner end of the braiding carrier a guard member preferably of wire, which shall extend both above and below the plane of the frame and which may be readily attached to the frame with little loss of time or expenditure of labor.

It is, of

As illustrating means for carrying into effect the above objects, reference may be had to the 'acompanying drawings, in which Fig. 1 is a plan view of a braiding carrier illustrating the application thereto of the improved bobbin retaining device;

Fig. 2 is a transverse cross-section through the frame of the braiding carrier illustrating the retaining latch in closed position;

Fig. 3 is a section similar to Fig. 2 but showing the latch in open position; 7

Fig. 4 is a plan view of the braiding carrier showing certain parts of the braiding machine frame in section and illustrating the brake mechanism as mounted upon a,

braiding carrier;

Fig. 5 is an end elevation of the carrier shown in Fig. 4;

Fig. 6 is a plan view, and Fig. 7 is a side elevation of a braiding carrier provided with the guard arrangement forming part of this invention; and

Fig. 8 is a transverse cross-section of the braiding carrier shown in Figs. 6 and 7 showing the application of the guard member thereto.

Referring more particularly to Figs. 1-3, 1 indicates the braiding carrier comprising an open horizontal frame provided with the end members 23 and having the usual guide rolls 4, 5, 6, 7 and the roll 8 for engagement with the drive device, while 9' indicates the bobbin or spool mounted therein. The frame member 2 is provided at 10 with a boss in which is formed a journal opening in which may be inserted the end 11 ofthe bobbin spindle. The member 3 of the frame may have secured thereto, as by means of rivets or bolts 12, a plate member 13, said plate member having at its end a substantially vertical surface 14 and alaterally extending projection 15, said projection being substantially in the form of a hook whereby an open ended notch 16 is provided adjacent the surface 14, said notch opening upwardly and serving as a bearing for the reception of the end 17 of the bobbin spindle. The frame member 3 is further provided with a downwardly extending ear 17 to which may be pivoted at the point 18 a latch member 19.

20 is a spring, fixed the the frame 1 and having its free extremity engaging the lower end of the latch member 19, said spring-being so constructed as normally to maintain the latch in theposition shown in Fig. 2. Thelatch member at its free end is provided with an inclined face 21 sloping in the direction of the surface 14 of the plate 13 and is also provided with a substantially flat'face 22 normally overlying the open end of the notch 16 and serving as a closure for the same.' V

In the operation of this part of the invention, the filled spool is placed within the frame 1, the end 11 of its spindle being inserted in the journal opening in the boss 10. The end 17 of the spindle is then moved downwardly into engagement with the surface 21 of the latch member and upon downward pressure upon the spindle, the latch member is cammed away from the surface 14 permitting the spindle to drop into the notch 16'whereupon the latch snaps back into the closed position under the action of spring 20. For removing the bobbin it is simply necessary for the operator to swing the lat-ch into the position shown in Fig. 3 whereupon the bobbin may be readily lifted out of the frame.

Referring now to Figs. 4 and 5, 23, 23 are portions of the main revolving frame in which the outer series of yarn carriers are mounted, the outer member 23 being provided-with the usual circumferential internal groove for guiding the rolls 4, 5. v

The end member 2 of-the braiding carrier is provided with an upstanding boss 24 having pivoted thereon, to swing in a substantially horizontal plane, a lever arm 25, said lever arm being pivoted at the point 26 and being provided with a slot 27 'in its righthand surface as seen in Fig. 4. The lever 25 constitutes a brake-shoe arranged to bear against the outer surface of the revolving frame member 23 and for holding 'said brake-shoe in frictional engagement with said surface, a spring 28 is provided, said spring being connected to the end member 2 of he carrier by means of a screw 29 or other suitable device and having its free extremity bent into position for insertion in the slot 27. 30 indicates the single drive roll employed, said roll engaging the roll 8 mounted in the carrier frame and serving to;

impart movement of revolution thereto. With this arrangement of parts, the brake member 25 serves to retard free movement of the braiding carrier and thus prevents overthrow of the same under the action of the 110 drive roll '30. By the employment of the brake shoe as above described, it is possible to dispense with the second drive roll commonly employed, while obtailning results equally as good. 115

Referring now to Figs. 6, 7 and 8, and wherein the frame is shown as provided with the downwardly extending shield 31 of usual construction and which is omitted from the other figures to avoid'complication, 32 is a 120 wire guard member in'the form of a how, the central portion thereof being attached by means of a screw 33 to one of the side members of the frame. The oppositely extend ing end ortions of the wire bow 32 are bent 125 outward y as seen at 3435 in opposite directions forming a figure of substantially lenticular outline and the end portions of said wire are bent sharply inwardly and inserted in openings 36 in the opposite side 130 member of the frame. The portions 34 and of the outer series of bobbins with the bobbin in the carrier 1 when passing above or below the same. The guard thus formed is of simple construction and may be readily attached to the frame by the use of simple tools and is little subject to substantial damage in use.

I I claim:'

1. In a braiding machine, in combination a braiding carrier, means for propelling said carrier in a closed circular path, and brake means for retarding said carrier in its movement.

2. In a braiding machine of the class described, a braiding carrier, and a pivotally supported brake member associated with said carrier and constructed and arranged to retard free movement of the carrier.

3. In a braiding machine, a braiding carrier movable in av circular path, means for propelling said carrier, a brake element mounted upon said carrier, resilient means for operatively actuating said brake element,'and means engaging said brake element whereby to retard themovement of the carrier.

4. In abraiding machine, a braiding carrier movable in a circular path, a member providing a cylindrical.surface concentric with the path of movement of said carrier, a pivoted brake shoe mounted upon said carrier and spring means for pressing said brake shoe into contact with said surface.

5. In a braiding machine, in combination,

"a carrier, a bodily movable drive roll for propelling said carrier along its path of movement, and a brake element associated with said carrier and serving to prevent over trav el thereof in advance of the drive roll.

6. A braiding carrier having a substantially-rectangiitar open frame provided with a bearing opening for a bobbin spindle at.

one end thereof, means at the oppositeend of the frame providing a substantially vertical abutment surface, a member outstanding from -saidf surface and providing an upwardly opening bearing notch for the reception of a bobbin spindle, a retaining member pivoted to the end of the frame to swing toward and from said abutment surface, said member comprisinga long arm and a short this 26th day of Jul 1920.

arm, and a leaf spring secured to the frame and engaging said short arm whereby. normally to hold said long arm in engagement with the abutment, the long arm having a shoulder normally overlying said notch and extending at right anles to said abutment, and the free: end portion of said long arm having a cam surface for engagement with the bobbin spindle in positioning the latter whereby said retaining member may be pushed to one side to uncover the notch.

' 7. A carrier for braiding machines having a.frame provided with means for rotatably and releasably' supporting a bobbin spindle therein, said means comprising a plate fixed to the frame, said plate having an edge constituting an abutment element, and "a, hook; like member outstanding from said edge and providing an upwardly open bearing notch for the bobbin spindle, a pivotally supported latch having a shoulder normally overlying said notch and provided with a part engageable with the abutment element of said plate, said latch also having a cam surface for engagement by a bobbin spindle in entering the latter into the notch whereby to swing said latch out of operative position, and resilient means for restoring said latchto norment element after seating of the bobbin spindle in the notch.

8. In a braiding carrier, in combination a frame member, a bobbin journaled therein, and a guard member comprising a wire bow secured to-said frame and extending to both sides of the bobbin ournal.

9. In a braiding carrier in combination a frame member, a bobbin pivotally mounted therein, and a guard member secured to said frame .and arranged substantially at right angles to the axis of said bobbin, said guard member comprising a length of wire having oppositely arranged curved portions spaced apart a distance substantially equal to the diameter of the bobbin.

10. In a braiding carrier a substantially rectangular frame, a bobbin mounted therein, the axis of the bobbin lying substantially in the plane of the frame, and a guard memhaving their free extremities secured to the last named side of the frame.

Signed by me at Boston, Massachusetts PETERSEN.

A KER

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