US1872980A

US1872980A - Braiding carrier

Info

Publication number: US1872980A
Application number: US406565A
Authority: US
Inventors: Krissiep Max
Original assignee: Textile Machine Works
Current assignee: Textile Machine Works
Priority date: 1929-11-12
Filing date: 1929-11-12
Publication date: 1932-08-23
Anticipated expiration: 1949-08-23

Description

Aug. 23, 1932. M. KRlSSlEP BRAIDING CARRIER 2 Sheets-Sheet l Filed Nov. 12. 1929 INVENTOR: flaxwssz ATTORN Aug. 23, 1932. M. KRISSIEP BRAIDING CARRIER Filed Nov. 12, 1929 2 Sheets-Sheet 2 IN VEN TOR: flax Z" zsszgp,

A TTORNEYS.

Patented Aug. 23, 1932 .i'UNiTEi D srarss PA ENT orricea .I/fAX KRISSIEP, F WYOMTSSING, PENNSYLVANIA, ASSIGNOR T0 TEXTILE MAGHINE I WORKS, OF WYOMISSING, PENNSYLVANIA, A ,CGRPORA'IION 9F PENNSYLVANIA BRAIDING CAERIER Application filed N'ovember 12, 1929'. serial N'o. 406,565.

This invention relates to yarn carriers fo braiding machines, and the like.

Ordinarily, carriers ofthe type to which my invention relates, comprise a mounting or base member, a spindle thereon for the cop or bobbin, a weight or spring actuated tension and take-up device for automatically taking up the yarn which is slackened due to the sinuous path of travel of the g carrier, and a machine-stop tripping device, which operates to stop the, machine, when the yarn breaks. Under operatingconditions, these carriers are generally subjected to constant and comparatively severe jarring strains, while their yarn-feed controlling mechanism is required to respond to sudden and impulsive adjustments; such conditions heretofore causing excessive breakage of the yarn and parts of the carriers.

The primary object of my invention is to provide an improved yarn carrier, which overcomes the deficiencies mentioned, and which embodies sensitive and quick' acting 2 yarn-feed controlling means, accomplishing smooth and efficient yarn-feeding action; and novel bobbin mounting means, facilitating the application and removal of bobbins, and preventing axial movement of the same dur- ;0 ing operation. I l I The invention comprises the novel elements, features of construction, and arrangement of parts in operative relationship, for

attaining the above and other objects, as

5 herein exemplified by a preferred embodiment, while its scope is more particularly indicated in the appended claim.

Further objects and attendant advantages of the invention, will become more readily apparent from the following detailed description, reference being had to the accompanying drawings in whichi Fig. lis a front elevational view of my improved yarn carrier, having a bobbin applied thereto, and the yarn threaded in readi ness for operation.

Fig. 2 is a central elevational sectional View, partly in full, and substantially taken as-indicated by the arrows 22 on Fig. 1,

'rier, as it the bobbin and thread being diagrammatii cally indicated in dot-and-dash lines.

Fig. 3 is a plan view of the carrer shown in Fig. 2,and more particularly discloses the mechanism for releasing the bobbin ratchetelement to permit the bobbin to rotate when the proper tension is applied to the yarn.

- Fig. i is a side elevational View of the carappears before a bobbin is mounted thereon. Y

Fig. 5 is a side elevational view of a detachable ratchet-element, which is inserted in the top of a bobbin and serves as a means for controlling the rotation of the same.

in the embodiment shown in the accom panying drawings, the carrier essentially comprises a'base member 11; a fixed rod or spindle 12; a bobbin holder or sleeve 13, on which a yarn cop, or bobbin 14 is mounted, and which is adapted to freely rotate on the spindle 12; a bobbin ratchet-element 15 detachably secured to the'bobbin ltand adapted to assist incontrolling its rotation; and a tubular standard or post 16, which carries a common machine-stop tripping element 17, yarn tensioningand take-up means as hereinafter fully described, and a spring pressed pawl or ratchet-element controllingdevice 19.

The base member 11 comprises spaced top and bottom plates 21 and-22, a connecting web orheart-piece 23 and a bottom stud 20. These parts are shaped to adapt the base to the particular type ofbraiding machine, or

the like, with which the carrier of my invention is to be employed, and may be integrally formed, as shown, or separately constructed. 7

Integral with the top plate 21, are two studs or bosses 24: and 25, which are connectcd with each other and the strengthening web 26..

-The rod or spindle 12, is fixedin acentral bore of the boss 2 -1, while the tubular post or standard 16 is firmly secured to the stud 25, preferably by welding. I r

In the present instance, the tubular stand ard 16 is of elliptical cross-section, open at its top and along its front as at 27 as far asthe stud 25, and conveniently accommodates and guidesthe yarn tensioning and take-up device, consisting of a tubular slide member 28,

plate 21 by a 7 of similar cross-section as the standard and having a cam or wedge-shaped upper end 29, and provided with a'hook-shaped yarn guide 31 at its lower end; a tension spring 30 connecting the slide member 28 with the ma chine-stoptripping element 17.. Instead of the hollow standard 16, other types of. conventional posts, or supports can be Utilized to guide the slide member 28, and carry the parts just described.

The ratchet-element is mounted on the upper end of the standard 16, and'consists of a fixed bearing 32, in which a detent or releasing member 33 is pivoted and held in cooperative engagement with the ratchet-element orwheel'15 by a spiral spring 34. A depending extension 35of detent 33, extends into the upper open end of the standard 16, where it is engaged by the upper cam or wedge-shaped end .29 of the slide member 28, and is-thereby moved laterally an amount sufficient to disengage the detent 33 from the ratchet wheel 15, as indicated in dotand-dash lines in Figs. 2 and 3.

The machine-stop tripping element 17 comprises two arc'uate plates 17a and 17b riveted or otherwise joined together as: at 17 0 and shaped in their center to encompass the standard 16, with suflicientclearance to permit the same to freely slide vertically along the standard between the web 26 and a stop 36 formed or secured on the standard.

Suitable yarn guides

37 and 38 are fixed to the standard 16. The yarn, normally passes from the bobbin 14, over hook-guide 37, under the similar guide 31 andthrough the, guide '38, from where it goes directl Y to the braiding point, or other point of the machine to which the yarn is to be fed.

To mount the bobbin 14 forfree rotation onthe spindle 12, it is pushed down over the bobbin-holder or sleeve 13 which is provided with pressure springs 39 to engage the inner wall ofthe bobbin and hold it against axial and rotary motion on the same; a retaining collar 42 fixed on the spindle 12, keeping the bobbin holder 13 in the position shown.

By referring to Fig. 5, it will be noted that the ratchet-element 15, is fixed on the end of a sleeve 41, which is similar to the sleeve 13 and is also provided with springs 10 for firmly but removably connecting it with the bobbin 14:. V r Operation After the bobbin 14 has been forced onto the holder 13 andthe sleeverll forced into the bobbin top until the ratchet-element or wheel 15 registers with the detent 33, the yarn is threaded through the

guides

37, 31 and 38, as shown, and the carrier is inreadiness for operation. As the pull or tension on the yarn is increased, the slide member 28. will .be moved vertically by the yarn, against the tension spring 30, whose lower endis connected controlling device 19,

latter decreases again, and permits spring 30 to pull slide member 28 out of engagement with theextension 35, Should the yarn break, theslide member 28 will immediately drop on the element 17, forcing. the same to move down into its lower or operating position, as indicatedin Fig.2, where the projecting .plates 17 w 17 5 effect the stopping of the machine as usual.

It is to be noted, that due to the provision of the hollow slide member 28, a comparatively long spring 30 can be utilized for the tension and'take-up device, thereby obtaining the proper resiliency and flexing action for smooth feeding and taking-up of the yarn; the enclosing of the spring in this manner also preventing catching of the yarn in the same, in case of breakage. The entire combination and coaction of the parts is re duced to a minimum of simplicity without sacrificing strength andrigidity of structure,

which is essential in carriers of this type, for reasons already pointed out.

Of course, the yarn carrier sho-wnand described, may be changed'and modified in various ways, and changes may be required and desirable under certain conditions, it is therefore to be understood that the invention is not limited to the exact construction, shape and arrangement of elements disclosed, but that such changes-and alterations may be made as fairly come within the scope of the invention herein set forth and more particularly point ed out in the appended claim.

I claim:

In a yarn carrier having a base member and a rotatable ratchet controlled bobbin; a parallel tubular standard; yarn tensioning means comprising; a pawl pivotally. mounted" on said standard for" engaging and disengagng said bobbin, said pawl havingan extension projecting into said tubular standard; a

tubular thread-carried slide mounted in said. standard'and having an end'portion'jadapted to engage said extension of said pawl to dis-, engage the latterfrom said bobbins; a machine-stop device limitedly slidable on said standard; and a tensioning' spring in said slide for connecting the latter to said stop 'devicefor normally maintaining said stop de vice in inactive position.

In testimony whereof I affix my signature;

' MAX KRIsSIEP;