US1369990A - Feeler mechanism for looms - Google Patents

Description

J. TARANTO FEELER MECHANISM FOR LOOMS. APPLICATION FILED AU G.26, 1919.

1 69,990, Patented Mar. 1, 1921.

Fig.1.

In v enlfon John Turuni u b %%kW Afiys.

UNITED STATES orr cs.

JOHN TARANTO, OF WALTHAM, MASSACHUSETTS, ASSIGNOR T0 DRAPER CORPORA- TION, OF HOPEDALE, MASSACHUSETTS, A GOEPOBATION OF MAINE.

FEELER MECHANISM FOR LOOMS.

Specification of Letters Patent.

2 Patented Mar. 1, 1921.

Application filed August 26, 1919. Serial No. 320,009.

tion with the accompanying drawing, is a.

specification, like characters on the drawing representing like parts.

This invention relates to improvements in feeler mechanisms for automatic looms of the weft replenishing type and is illustrated herein as adapted'for color looms of the type disclosed in the patents granted to E. H. Ryon, No. 933,492, September 7, 1909, No. 972,722, October '11, 1910 and is particularly an improvement upon the feeler mechanism illustrated in Patent No. 989,429,'granted to E. H. Ryon, April 11, 1911. I

The loom structures disclosed in-the patents aforesaid comprise a series of magazines adapted to contain filling carriers wound with yarn of different colors, said magazines being adapted selectively to discharge a filling carrier into a hopper from which it may be thrust by a transferrer into the running shuttle, means are provided for retaining the filling carriers in the magazine until the filling upon the filling carrier in the running shuttle is depleted to a predetermined extent, whereupon a feeler operates certain mechanisms to cause the release of a filling carrier having weft corresponding in color to that upon the filling carrier in the running'shuttle and delivers the same to the hopper from which itis thrust by the transferrer into the shuttle.

The mechanism for thus releasing a filling carrier from the proper magazine includes an actuator which is constantly reciprocated from a moving part of the 100111 such as the cam shaft, said actuator being ineffective unless its free end is engaged and re strained from movement. When however, the free end of the actuator is restrained from movement itsopposite endfis caused to operate the mechanism for releasing the filling carrier from the proper magazine.

The feeler mechanism for restraining the movement of said actuator which is disclosed in the Ryon patents aforesaid com: prises means normally extending across the path of the actuator but withdrawn from Said-path by the feeler upo each bea up quently the actuator engaging member will not be withdrawn from the path of the actuator and consequently a transfer will be effected unnecessarily. p

The object of the present inventionis to provide a feeler mechanism in which the actuator engaging member will be normally withdrawn from the path of the actuator and will only be thrust into the path of the actuator when transfer is called for by a predetermined depletion of the filling upon the filling carrier whereby likelihood of im-. proper transfer will be avoided.

While the mechanism disclosed herein is particularly adapted to control the action of transferring mechanism it will be understood that it may also be used for the purpose of controlling any other change 'in the operation of the loom which may be effected through the actuator aforesaid.

A further object of the invention is to provide a simplified and more effective type of feeling mechanism.

'panying drawings and will be pointed out in the annexed claims. y A preferred embodiment of the invention is disclosed in the accompanying drawings in which,

Figure 1 1s a side elevation of a feeler, the frame upon which 1t is supported being 7 broken away,

Fig. 2 is a plan view of the same, and, Fig. 3 is an end elevation of the same as viewed fromthe left in Figs. 1 and 2.

Fig. 4 is a perspective view showing the spring actuated detent which acts to hold the actuator engaging rod out of operative position.

in the drawing comprises a bracket 1 which is adapted to be mounted upon the end of the loom frame, the bracket 1 is provided with two upwardly extending branches 2 and 3, the branch 2 being provided with upward extensions 4;, 5 having a vertical slot 6 The feeler mechanism which is illustrated between them forming a guideway for a vertically reciprocating actuator 7 such as that illustrated in the Ryon patents aforesaid and above briefly described.

The extension 4 of the branch 2 is provided with a transverse aperture 8 which forms a guideway for an actuator engaging member preferably in the form of a rod 9, one end of which may be reciprocated across the path of the actuator 7. The actuator engaging rod 9 is-pivotally connected at its opposite end to the bifurcated upper end of an arm10 of a rock shaft 11 which is pivotally mounted in bosses 12 and 13 extending laterally from the arms 2 and 3 of the bracket 1. Means are provided which normally tend to force the actuator engaging member across the slot 6in the path ofthe actuator, a preferredmeans for accomplishing this purpose being a helical spring 14 v which surrounds the rock shaft 11 and is anchored at one end to the boss 12 and at its opposite end to a collar 15 which is ad justably secured upon the rock shaft 11 by a set screw 16. In order normally to retain the actuator engaging member or rod 9 out of the path=of the actuator a detent is provided preferably in the form of a lever 17 which is pivotally mounted upon a standard or stud 18 which'is screw threaded at its lower end and secured in the extension 12 of the bracket-2 by a set nut 19. The detent lever 17 is provided with an arm 20 which engages the arm 10 of the rock shaft which is connected to the actuator engaging member 9. A helical spring surrounding the stud 10, anchored at one end in the hub of the detent lever '17 and at its opposite end in a collar 22 adjustably secured to the stud 18 normally tends to-force the arm.20 of the detent lever against the arm 10 which operates the actuatorv engaging rod 9. A part of the hub of the lever 17 is cut away and a pin 23 secured to the standard 18 is adapted to engage the walls of the cut away portions thereby to limit the movement of the lever 17 A sufiiciently greater tension is imposed upon the spring 21 than that of the spring 14 normally to force the arm 10 outwardly and thereby hold the actuator engaging member out of the path of the actuator.

The detent lever 17 desirably is provided with an adjustable extension 24 which may be securedto it by bolts 25, said lever having a down-turned end adapted to be engaged by a reciprocating member carried by a feeler, upon predetermined exhaustionof the filling upon the filling carrier.

The feeler comprises a slide 26 the end-of which is adapted to enter the shuttle and feel upon the filling on the filling; carrier in the shuttle Said feeler slide is mounted in a suitable way 27 in a stand28 having a depending boss-29 provided with a slot 3O leading to a threaded aperture which engages a screw threaded stud 31 carried by a bolt 32 extending through the flange 3 of the bracket 1. The screw threaded stud 31 is clamped in position by a nut 33 upon the bolt 32. The boss 29 may be adjustably secured upon the screw threaded stud 31 by a set screw 34 passing through the bifurcated section of said boss across the slot 30.

The stand 28 is provided with a cap 35 having closed ends 36 and 37 inwhich a rod 38 is journaled, said rod having an enlarged screw threaded end39 engaging the end 36 of the cap and a smaller stem extending through the end. Said rod may be fixed in adjusted position by'a set screw 40 preferably located adj acentthe end 37.. The feelcr slide 26 is provided with an upwardly extending flange or boss 41 through which the stem f the rod 38 extends.

A helical spring 42 surrounding said rod bears at one end against the plate 41- and at its opposite end against the :end 37 of the cap, said spring tending'normally to force the feeler into extended or feelingiposition. The

extension of the feeler is limited by the engagement of the boss 41 with theshoulder upon the rod 38 where the same merges into the enlarged end portion 39. A lever 43 is pivoted upon a stud 44-near the feeling end of the feeler and is provided, with a lateral extension 45 which maybe integral with said lever or may be an extension-secured thereto by the bolt 46. Thelateral extension 45 has near its end an adjustable screw 47 secured t it by .nuts 48 and 49. r The body, of the lever is normally maintained in parallelism with the axis of the feeler by a spring 50 and engaging said extension and suitably secured to-the feeler itself as by extending into an aperture in the feeler.

In the assembling of the device the end of the screw 47 is so adjusted that when the filling upon the filling carrier is depleted to a predetermined extent the head ofthe screw will engage the wall ofthe shuttle and rock the lever 43-sufficiently to position itsop-f posite end 51 in front of the downward extension 24 of. the detent lever 17.: p

I In the operation of the device thefeeler 26 enters the shuttle and feels upon the filling inthe filling carrier and is forced backwardly against the action of the spring 42 in the usual manner. When the filling.

is depleted toa predetermined extent, such as to require transfer, the end of the screw 47 engages the wall of the shuttle and swings the lever 43 about its pivot44 until the op-- posite end 51 engages the downwardly. extending arm 24 of the detent leverv 17. When in suchposition the movement of the feeler as it is forced inward by the lay causes the detent lever'17 to rock about its pivotal stud 18,thus releasing the pressure of-itsarmupon the arm 10. Thereupon the spring 14 actue rock shaft 11 to force the arm 10 vforward 7 until, the actuator engaging rod 9 extends across the slot 6 whichforms a guideway for theactuator. One endjof the actuator is thus arrested and the mechanism which vibratesit causes the opposite end of the actuator to initiate the action of the mechanism for efiecting a change in the operation of the loom as described in the Ryon patents aforesaid.

It will be understood that the embodiment of the invention disclosed herein is illustrative and not restrictive and that various modifications in the construction and arrangement of parts may be made within the spirit andscope of the following claims.

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

1. Feeler mechanism for looms having a reciprocating actuator adapted when engaged to initiate the action of means for effecting a change in the operation of the loom comprising a spring operated actuator engaging member normally tending to engage and arrest said reciprocating actuator, a detent having resilient means operating normally to hold said actuator engaging member out of the path of said reciprocating actuator, a feeler and means operable thereby upon detection of a predetermined depletion of filling on the filling carrierto cause said detent to release its engagement with said spring actuated member.

2. Feeler mechanism for looms having a reciprocating actuator adapted when engaged to initiate the action of means for effecting a change in the operation of the loom comprising a guideway for said actuator, an actuator engaging member reciprocable transversely of said guideway, means tending normally to force said actuator engaging member across said guideway, a detent having resilient means acting normally to withhold said actuator engaging member out of said guideway whereby said actuator is enabled to vibrate freely, a feeler and means operable thereby upon predetermined depletion of filling upon the filling carrier to release said detent from said actuator engaging member whereby the latter will be thrust across-the guideway, thereby arresting the movement of said actuator and causing a change in the operation of the loom.

3. Feeler mechanism for looms having a reciprocating actuator adapted when engaged to initiate a change in the operation of a loom comprising a guideway for said actuator, an actuator engaging rod reciprocable transversely of said guideway, a rock shaft having an arm connected to said actuator engaging rod, resilient means normally tending to force said actuator engaging rod across said guideway, a detent, re-

.silient means actingupon said detent with suflicient force towithdrawi and hold said actuator engaging rod from the-path of; said actuator, a feeler and ,means operable by said feeler upon predetermined exhaustion of filling; upon the .filling carrier-tomove said detent 'againstthe action-of a spring and thereby to release said actuator engaging means whereby the latter will be thrust 7 across the path of the actuator.

4:. Feeler mechanism for looms having a reciprocating actuator adapted when en-' gaged to initiate achange in the operation of the loom, comprising a guideway for said actuator, an actuator engaging rod reciprocable across said guideway, a rock shaft having an arm connected to said rod, a spring upon said rock shaft tending normally to force said rod across the path of said actuator, a rock shaft having a detent lever engaging the arm which is connected to said actuator engaging rod, a spring upon therock shaft of said detent lever of greater force than that of the spring upon the rock shaft which operates the actuator engaging rod, a feeler and means carried by said feeler adapted upon predetermined exhaustion offilling upon the filling carrier to engage said detent lever and release the same from engagement with the arm which operates the actuator engaging rod.

5. Feeler mechanism for looms having a reciprocating actuator adapted when engaged to initiate a changev in the operation of the 100111 comprising a guideway for said actuator, an actuator engaging member reciprocable transversely of said guideway, means tending normally to force said actuain the path of said actuator, a spring actuated detent lever operating normally to withhold said actuating rod from the path of said actuator, a feeler adapted to enter a shuttle and' feel upon the filling carrier therein, a lever pivotally mounted upon said feeler adapted to engage the wall of the shuttle .upon a predetermined depletion of the filling upon the filling carrier and when thus engaged to actuate said detent lever whereby the latter will be caused to release the actuator engaging rod. o

6. Feeler mechanism for looms ha-vlng a reciprocating actuator adapted when engaged to initiate a change in the operation of the loom comprising a guideway for said actuator, an actuator engaging member reciprocable transversely of said guideway,

means tending normally to force said actuator engaging member across said guideway 1n the path of said actuator, a spring actuated detent lever having an arm enrier therein, a lever pivotally mounted upon gaging the arm which rec-iprocates the acsaid feeler having means on one end to" engage the wall of the shuttle upon predetermined exhaustion of filling uponthefillingcarrier and operable thereby to cause the opposite end of said lever to engage the depending end: of said detent lever whereby the movement of said" feeler will cause said ietent' lever to release the" actuator. engaglng rod thereby restraining mevement'of the actuator and causing a change in the 10 operation of theloo'm';

In testimony whe're'ofI have sign'ed'my name to-this' specification.

JOHN TARANTQE

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