US1387323A

US1387323A - Feeler mechanism for looms

Info

Publication number: US1387323A
Application number: US364157A
Authority: US
Inventors: Snow Isaac
Original assignee: Draper Corp
Current assignee: Draper Corp
Priority date: 1920-03-08
Filing date: 1920-03-08
Publication date: 1921-08-09
Anticipated expiration: 1938-08-09

Description

I. SNOW.

, 20. 1,387,323, Patented Aug. 9, 192].- 2 SHEETS-SHEET 1.

I. SNOW. FEELER MECHANISM FOR LOOMS APPLICATION FILED MAR. 8, 1920. 1,887, 3280 g 9,

2 SHEETS-SHEET 2.

UNITED STATES ISAAC SNOW, 0F LAWRENCE, MASSACHUSETTS, ASSIGN'OR '1O DRAIPER CQRP O OF HOPEDALE, MASSACHUSETTS, A CORPORATION OF MAINE.

PATENT OFFICE.

RATION,

FEELER MECHANISM FOR LOOMS.

Specification of Letters Patent.

Patented Aug'Q9, 1921.

Application filed March 8, 1920. Serial No. 364,157,

tially exhausted.

Various forms of feeler mechanisms have heretofore been suggested, among these is that type of feeler mechanism wherein the feeler member is moved longitudinally of the shuttle when the filling is substantially exhausted on a detecting beat, and by such movement effects replenishment of filling. The present invention is more especially directed to improvements on this type of feeler mechanisms, and aims to provide a feeler mechanism which shall be sensitive to the presence or substantial absence of filling in the shuttle, so that partial picks shall be avoided, and yet the filling shall be re plenished with the least amount of waste.

In the present invention, the feeler con sists of an inherently resilient member having a longitudinally extending portion fastened to an element carried by the loom frame and a second toothed portion posi tioned to project into the shuttle to engage a surface therein upon each detecting beat, the resilient feeler being so constructed that a force exerted upon the toothed end of the same by a surface within theshuttle will tend toswing the feeler laterally; but due to the construction of the feeler, this lateral swinging movement will be prevented so long as there is a substantial amount of filling within, the shuttle to be engaged by the teeth of the feeler. The resilient feeler is operatively connected to the filling replenishing mechanism so that when a lateral or side swipe movement is imparted to the filling engaging portion of the feeler,

the. desired filling replenishment will be effected.

The various novel features of the invention and combination of parts will best be understood from the following description and accompanying drawings of one good form of the nventlon, it'being understood that the details may be varied without departing from the real scope of the claims to be hereinafter made.

In the drawings y l igure 1 shows a portion of a loom having the feeler mechanism forming the subjectmatter of this invention applied thereto; Fig. 2 IS a detached detail on an enlarged scale, Sl'KiWlIlg the aipltion of the feeler mechanlsm wien a wor 'n su l of fillin is preisented 1n the shuttl on h dletecting b at; an

Flg. 3 1s a view similar to that of Fig. 2, showing the action of the feeler mechanism when the fillmg is substantially exhausted.

The loom frame 1 may be of usual construction suitable for supporting the operating parts. Secured to the loom frame are bearmg brackets 2 on each side of the loom, for supportmg the transverse or rock shaft 3. Rlsing from therock shaft 3 is the arm 4, to the upper end of which is pivotally connected at 5 the latch 6, the rear end portion 7 of whlch 1s adapted to be engaged by an operat ng member 8 when filling is to be re lenished.

he lay is provided With the usual shuttlebox 9 for the reception of the shuttle 10. The front wall of the shuttle-box is slotted at 11, and so also is the adjacent wall of the shuttle as at 12, the construction bein such that when the shuttle in which the fillng carrier 13 is mounted, is in the replenishing. box, the slots or openings 11 and 12 of the shuttle-box and shuttle will register to permit the entrance of the feeler as willappear later.

he shipper stand 14 has extending therefrom the slotted supporting arm 15, on which is adj ustably mounted the feeler stand 16. This stand may be adjustably secured to the arm 15 by a bolt or the like 17.

Upon the upper face of the stand 16 is mounted the resilient feeler, which is designated in its entirety by the numeral 18,- the same being shown as constructed of relatlvely heavy spring wire. The feeler preferably consists of a laterally-extending port1on 19 and a rearwardly-extending portion 20.- In the embodiment of the invention shown, the outer end of the laterally-extendupper face of the feeler stand 16 by a plate 22 secured to the stand 16 by bolts 23. The feeler,

18 may also be provided with a coil 24 positioned between-the inner end of the laterallyextending arm 19 and the rearwardly extending portion of the feeler.

' rier 13 or the filling thereupon, upon a detecting beat of the lay. Pivotally mounted to a portion of the feeler stand 16 is the feeler operatedlever 26, to which a portion .of the feeler 18 is operatively secured; In

the embodiment shown, the feeler is provided with a relatively long straight shank formed by one leg of the U-shaped construction above-mentioned, and this leg or shank 29 is slidably mounted in drillholes formed through

portions

27 and 28 of the lever 26. The outer end of the leg or shank 29 is preferably bent as at 30 to form a stop to thereby prevent the leg from being entirely withdrawn from the drill'holes The outer end of thepivoted lever 26 is operatively connected to a bell crank lever 31 by means of a link or the like 32, the arrangement being such that when the lever 26 is rocked to'the right with respect to Fig. l, by the feeler 18, this rocking movement will be imparted to the bell crank lever 31 to raise the latch 6 to thereby effect filling replenishment, in a well known manner.

Since the feeler 18 consists of the part, 20 and a transverselyextending part 19, the outer'end of which is secured to the feeler stand, the fillingengaging end of the feeler gagement between the teeth 25 and the filling upon the filling carrierwithin the shuttle will prevent the lateraL'movement just men,

tioned so long as *there-"is a substantial amount of filling upon the filling carrier. When, however, substantial exhaustlon has been reached, the toothed end of the feeler will no longer be held by the filling against lateral movement on a detecting beat, whereupon a 'sufiicient, lateral movement will be I imparted to the portion 20 of the feeler mem- .ber;to: rock the pivoted lever 26 and thereby e'fi'ect replenishment. of fillingl-- in a well known ma'nner. l

It will be apparent that variouschanges; -may be made in the feeler herein disclosed" without departingfrom the true scope of. the

invention defined in the annexed clai ns For example, the coils 21 and '24 are pro -iifward-the front of the loom by the surface vided merely to increase the resiliency of the f-eeler;'and it will be seen that if the material out of which thefeeler member is parts swinging movement to said lever upon 130 constructed is sufiiciently resilient, these coils may be omitted. And as above stated, various other obvious changes may be made without departing from the scope of the invention as applicant believes himself to'be the first in this art to provide an inherently resilient feeler constructed and arranged to effect replenishment of filling when the filling in the shuttle is substantially exhausted on a detecting beat.

What is claimed is 1. In a feeler mechanism for looms, the

combination of a feeler stand, a feeler operated lever pivotally mounted upon said,

stand, means for effecting replenishment offilling when the lever is turned upon its pivot, and an inherently resilient,feeler having a portion secured in fixed position to said stand and provided with a toothed portion to engage a surface within the shuttle on each detecting beat and with a portion slidably secured to said lever.

2. In a feeler mechanism for looms, th combination of a resilient feeler com rismg a front portion which is secured in xed position and a rearwardly extended portion to engage the filling and cause the feeler to flex or bend between the fixed front portion and the filling engaging portion as the lay moves frontwardly on a detecting beat, and means for effecting replenishment of filling when the filling engaging portion of the feeler is moved longitudinally. of the-shuttle on a detecting beat.

3. In a feeler mechanism for looms, the comblnatlon of a feeler stand, a resilient feeler having its front portion secured to the feeler stand in fixed position and provided with a rearwardly extended filling engaging portion which is moved frontwardly on each detecting beat and which causes the feeler to 1 flex or bond between the fixed front and fillmg engaging portions, and means for effecting replenishment of: filling when the feeler is moved along the filling carrier on a detecting beat.

4. In a feeler mechanism for looms, the.

combination of a feeler stand, a feeler operated lever' pivotally mounted upon said stand, means for. efi'ectin'g replenishment of filling when the lever is turned upon its ivot, and an inherently resilient feeler aving ailaterally projectlng portion rigidly secured to said.- stand, an intermediate toothe'd'portion positioned to yieldingly en'- gage a surface within the shuttle on each detecting beat, and a third portion slidably secured to said pivoted lever, said feeler con-' structed through its inherent resiliency to g exert alateral swinging force on the toothed portion thereof when the feeler is forced tosziidtoothed portion with said surface imsubstantial exhaustion of the filling within the shuttle.

5. A feeler mechanism for looms comprising, in combination, a feeler stand, a feeler operated lever pivotally mounted thereupon,

an inherently resilient feeler having a laterally-extending portion thereof rigidlysecured to said stand, a second portion provided with teeth to engage a surface within the shuttle on each detecting beat and a third portion slidably secured to said pivoted lever, said feeler through its construction and inherent resiliency operating to exert a lateral swinging force on the toothed portion thereof upon the same being forced toward the front of the loom by the surface within the shuttle, said toothed portion held by the filling against lateral movement on a detecting beat until substantial exhaustion of the filling occurs.

6. In a feeler mechanism for looms, the combination of a feeler stand, and an inherently resilient feeler having a laterally extending portion secured in fixed position to the feeler stand and a rearwardly extending portion provided with teeth to engage a surface within the shuttle on a detecting beat and prevent movement of the feeler longitudinally of the bobbin as it is flexed by the frontward pressure until the filling is substantially exhausted.

7. In a feeler mechanism for looms, the combination of a fixed stand, and an inherently resilient feeler having a rearwardly extending portion provided with teeth to engage a surface within the shuttle on a detecting beat and a laterally extending portion non-movably secured to the fixed stand, said rearwardly extending portion adapted to be moved frontwardly upon a detecting beat by flexing said lateral portion and to be held by the filling from moving longitudinally of the shuttle until filling is substantially exhausted.

8. A feeler mechanism for looms, comprising, in combination, a feeler stand, a resilient feeler having a laterally projecting portion rigidly secured to said stand and a rearwardly extending portion provided with teeth positioned to yieldingly engage a surface within the shuttle on each detecting beat and to be held from movement longitudinally of the shuttle by the filling -until substantial exhaustion thereof, said feeler through its construction and resiliency operating to exert a lateral swinging force on the toothed portion thereof by pressure toward the front of the loom and means for eflecting replenishment of filling.

9. A feeler mechanism for looms, comprising, in combination, an inherently resilient feeler having a laterally extended portion secured in fixed position and a rearwardly extending filling engaging portion for engaging the filling in the shuttle and flexing the lateral resilient portion of the feeler on a detecting beat.

10. A feeler mechanism for looms, comprising in its construction, an inherently resilient feeler having a filling engaging portion, and means for securing the front portion of the feeler inposition to cause flexure of the portions of the feeler intermediate its ends when the feeler is moved frontwardly on a detecting beat.

11. An inherently resilient Wire feeler having a rear filling engaging portion provided with teeth to engage a surface within the shuttle on a detecting beat, and means for supporting the feeler to cause it to be bent or flexed by frontward pressure of said surface upon the feeler.

12. A resilient wire feeler having a rear bent portion provided with teeth to engage a surface within the shuttle on a detecting beat, and a laterally-extending portion secured in fixed position and adapted to bend or flex when the feeler is moved frontwardly on a detecting beat.

13. A resilient wire feeler having a rearwardly-extending portion to engage a surface within the shuttle on a detecting beat, a laterally-extending resilient portion tending to move the wire feeler member rearwardly and longitudinally along the filling carrier when placed under tension by frontward displacement of the feeler member. 14. An inherently resilient feeler having a rearwardly extended portion to engage a surface within the shuttle on a detecting beat, and constructed and arranged to be bent or flexed as the feeler is moved front- Wardly by the pressure of a surface within the shuttle and thereby produce a force in the feeler itself tending to move the rear portion of the feeler longitudinally of the shuttle.

15. An inherently resilient feeler having a rearwardly extended filling engaging end, and a coil frontward of the engaging end, and means for supporting the feeler constructed and arranged to cause the coil to be flexed or bent when the feeler is moved frontwardly on a detecting beat to thereby produce a force in the feeler itself tending to move the engaging end of the feeler longitudinally of the shuttle.

In testimony whereof, I have signed my name to this specification.

ISAAC SNOW.