US1751210A - Thread protector - Google Patents

Description

Maw, 18, 193.0,

P. LEONARD THREAD PROTECTOR Filed Aug. 14, 1929 Z. 8mm,

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JOHN P.IIEONARD, F HAWLEY, PENNSYLVANIA THREAD PROTECTOR Application filed August 14, 1929. Serial No. 385,827.

This invention relates to thread protectors for use upon feed rollers for thread spinning machines.

The main object of the invention is to pro" vide thread protectors which may be used upon the conventional feed rollers employed in spinning machines of various kinds for feeding the threads downward from their spools into the spinning mechanism, the said thread protectors serving to prevent the threads from coming in contact with the gears operating the feed rollers thus preventing soiling or breaking of the threads.

Another object is to provide a thread protector for feed rollers which will be simple,

efficient and cheap in construction.

The foregoing and other objects together with means whereby the same may be carried into effect will best be understood from the following description of a preferred embodiment of the invention taken in connection with the accompanying drawing wherein:

Figure 1 is a front elevation, partially in section, of the feed roller mechanism of a spinning machine illustrating the application of my invention thereto.

Figure 2 is a side view of the feed rollers and their holder removed from the machine.

Figure 3 is a section along the line 3-3 in Figure 2.

Figure 4 is a detail view of'the thread protector alone.

Referring now more particularly. to the drawing 1 denotes a portion of the frame of a spinning machine in which is adjustably mounted the tripper rod 2 carrying the usual porcelain guide 3 through which the threads 4: are passed from their spools (not shown) and combined and directed downwardly into the frame 1 as shown at 5. A feed roller holder 6 of conventional form is secured in the frame 1 and this holder has the side loops 7 to receive the short stud shafts 8 at either end of the feed rollers 9. The feed rollers 9 carry pinions 10 which are ordinarily of greater diameter than the roller itself and which are placed in mesh with the gear 11 on the drive shaft 12, the said rollers thus being rotated in the same direction. The combined thread 5 is wrapped several times around the feed rollers9 and over a porcelain roller 13 in the holder 6 as denoted at 14 and as the feed rollers 9 rotate the threads will be drawn from their spools and fed downwardly into the machine as will be understood. The foregoing elements are of conventional form and no invention is claimed therefor.

It is found in practice that the threads wrapped around the feed rollers have a tendency to come in contact with the pinions 10 so on these rollers thus causing the threads to become soiled or worn. To overcome this q disadvantageous result I provide a thread protector 15for each of the feed rollers, the I said thread protector being in the form .of a washer slightly larger in diameter than the pinion on the feed roller as shown and having acentral aperture 16. In the usual construction of the feed rollers 9 the roller proper is shouldered off or reduced at one end as shown at 17 and the pinion 10 is then driven on this reduced end 17 The aperture 16 in the thread protecting washer 15 is of the cor rect size to fit over this reduced end 17 and the protector is pushed up against he roller 9 and the pinion 10 mounted in its place thus securing the protector between the roller and pinion as clearly shown in Figure 2. The 7 thread protector or washer 15 thus prevents the threads from coming into contact with the pinion 10 as will be understood, Obviously other means may be used for mounting the thread protectors in place if so desired.

'While I have herein set forth a certain preferred embodiment of my invention itis understood that I may vary from the same in minor structural details, not departingfrom the spirit of the invention and Within the scope of the appended claim.

I claim: 1 I I J r In a device of the character described, in

combination With a feed roller having a re? duced end, a pinion adapted to be'mounted on the said reduced end and being of greater diameter than the feed roller, a thread protecting Washerof greater diameter than the said pinion and having a central aperture to receive the said reduced end of the feed r011- er, the said thread protecting Washer being mounted on the said reduced end between the feed roller and pinion.

In testimony whereof I aifix my signature.

J OHN P. LEONARD.

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