US979438A

US979438A - Machine for applying split rings on the butts of bobbins.

Info

Publication number: US979438A
Application number: US53019309A
Authority: US
Inventors: Dana S Courtney
Original assignee: Individual
Current assignee: Individual
Priority date: 1909-11-27
Filing date: 1909-11-27
Publication date: 1910-12-27
Anticipated expiration: 1927-12-27

Description

1). s. GOURTNEY.' MACHINE FOB APPLYING SPLIT RINGS 0N THBBUTTS 0F BOBBINS.

APPLICATION FILED NOV. 27, 1909. v Patented Dec. 27,1910.

D. S. COURTNEY. v MACHINE FOR APPLYING SPLIT RINGS ON THE BUTTS OF BOBBINS.

APPLICATION FILED NOV. 2 1909.

Patented Dec. 27, 1910.

3 SHEETS-SHEET 2 'WITJVES-SES:

I INVENTOR, Jam 5. WW

11s. COURTNEY. MACHINE FOR APPLYING SPLIT RINGS ON THE BUTTS 0P BOBBINS.

APPLIGATION FILED NOV. 27, 1909.

7 43 Patented De0.27,1910.

3 BHEETB-SHEET 3.

jzwt

wznmsszs- 11v VENTOR, Jam

I b r I i TH E RRRRRRRRRRRRRRRRRRRRRRRRRRRRR r:v

pr snares DANA S. COURTNEY, OF CHICOPEE, MASSACHUSETTS.

MACHINE FOR APPLYING SPLIT RINGS ON THE BUTTS OF BOBBINS.

Eli 9,438.

Specification of Letters Patent.

Patented Dec. 2?, 1910.

T 0 all whom it may concern:

Be it known that I, DANA S. COURTNEY, a citizen of the United States of America, and resident of Chicopee, in the county of Hampden and State of Massachusetts, have invented certain new and useful Improvements in Machines for Applying Split Rings on the Butts of Bobbins, of which the following is a full, clear, and exact description.

This invention relates to a machine l1aving for its object the applying of the split rings upon the grooved butt end portions of bobbins in a very speedy and reliable man ner.

As well known, bobbins, especially for loom shuttles, have near their butts or bases a plurality of annular grooves,usually three,in which cross sectionally round split rings are sprung to engagement, such rings producing separated annular ribs around the bobbin, which are of great practical value in their employment in automatic bobbin feeding looms.

By the exercise of the present invention a boy or other unskilled operative may, by taking the bobbins one by one and placing each in an inverted position on base support comprised in the machine and in aline ment with a reciprocating plunger thereabove and next under a cylindrical mandrel or guiding plug-like member on which the split rings are successively placed, bring about under the operations of the machine a forcing of the rings, the first one into the lowest groove of the inverted bobbin, the next one into the intermediate groove, and the third one into the upper groove, these operations being swiftly repeated with certainty that each one of every set of the split rings will be downwardly crowded in the exact extent necessary for bringing it to its engagement in the proper receiving groove therefor.

A prominent characteristic of the present machine is found to consist in making the base or rest on which the lower end of the inverted bobbin is placed, and relatively to which the reciprocatory plunger moves, suc cessively variably movable in its descents against correspondingly different stops for limiting such successive movements.

Another prominent characteristic of the machine is found in the means for supporting the plug or mandrel, on the upper end of which the rings are successively placed, in such manner that while such mandrel is ever present as an element for the reception of the rings, it is so peculiarly supported in its intermediate position between the plunger and base that the supporting means constitutes no impediment to the sliding of the split ring as forced by the plunger downwardly along the entire length of the mandrel to its place of embrace about the butt of the inverted bobbin.

The improved machine, furthermore, includes special improved constructions of the plunger and of the means for constituting the variable stops for limiting the descend ing movements of the base and devices coacting with the latter for reliably operating the same.

The invention as exemplified in amachine at present practically and successfully used is described. in conjunction with the accompanying drawings and defined in the claims.

In the drawings :Figure 1 is a front elevation of the bobbin ringing machine; Fig. 2 is a side elevation of the same; Fig. 3 is a front elevation somewhat similar to F ig. l, but drawn on a larger scale and showing some of the parts in central vertical section,-the positions of the parts being with the bobbin base in its normal upper position to the plunger in its elevated position, and a split ring represented as provided on the upper conical end of the mandrel, and all in readiness for the machine to force the ring to the lowest groove of the inverted bobbin. Fig. t is a view similar to Fig. 3, but showing the parts as in the ring setting position. Fig. 5 is a plan view with parts in section as taken on line 55, Fig. l. Fig. (i is an elevation of the lower portion of the machine as seen beyond the plane represented by line 6-6, Fig 2. Fig. 7 is a partial front elevation showing the yieldable jaws for holding the mandrel in suspension in their positions relative to the mandrel when the split ring is being forced past such jdWS. Figs. 5, 6, and 7 are on even larger scale than Figs. 3 and 4t.

Similar characters of reference indicate corresponding parts in all of the views.

In the drawings, A represents the f 'ame of the machine at the front of which the operative parts comprised in the present invention are located.

B represents a vertically reciprocatory plunger, the up and down strokes of which are imparted from a driving shaft C carrying on the face plate 0 thereon a crank stud a with which a pitman rod 6& is connected, such rod being also connected with a stud a on the plunger all as very common in means for imparting regular reciprocating motions to plungers; and, as manifest, the plunger has a downward throw always to a given level.

Near the bottom of the machine and relatively to which the plunger moves, is a substantially horizontal base D to constitute a rest or support for the lower end of an inverted bobbin, this base being pivotally mounted at 7) for an up and down swinging movement, and it is adjacent its pivot provided with a crank like arm 72 connected to which and to a stationary part of the machine is a spiral spring 6 the effect of which is to normally maintain the base in its upper position as limited by the stop b with which the stud b projecting from the back of the base engages.

The base at a suitable intermediate portion thereof is provided with a socketed block 6 for receiving the attenuated end of the bobbin and for retaining it against displacement; and above the base is a V- shaped gage E so that when a bobbin is in the rest socket therefor at the base and by an intermediate.portion crowded against the convergent walls of the gage it will acquire a truly vertical position in alinement with the axis of the plunger. Above the gage is a. forwardly projecting shelf like support F having at its front middle portion a recess (Z in which is located an axially vertical cylindrical member or mandrel G, the upper end of which is conical and which mandrel has vertical grooves e e in its opposite sides, such grooves having their lower ends more or less above the lower end of the mandrel.

f f represent an opposed pair of members for constituting a support for maintaining the mandrel in its floated or suspended position between the plunger and the base. These members comprise straight horizontally arranged shank bars and, at their approached ends, jaws 10, the inner edges of which are upwardly and outwardly inclined; and the shanks of the jaws are guided for their approaching and receding horizontal movements in suitable ways therefor provided on the shelf like support F. The springs f exert reactions on the jaws to force them yieldingly inwardly so that they normally have engagements sidewise against the mandrel in the slots 6 e in the latter.

Beneath the base (which has the lug d depending from an intermediate portion thereof) is a rotative wheel J having its edge formed step shaped with the steps in repeated sets or series, there being in each series of the steps one,-especially designated by g in Fig. 3,of the greatest outward prominence, an intermediate one designated and an inner step against any one of which steps according as the wheel is positioned the lug like downward projection of the base may bottom when the base is forced downwardly by the plunger through the mediary of the bobbin.

The stepped wheel J is mounted to easily rotate on a stud it (represented in section in Fig. 6 and understood as forwardly projecting from the boss h shown in Fig. 2), and it has at its rear side unitary therewith, as by being made as one with such stepped wheel, or by being affixed on the same stud as that forming the journal for the wheel, a ratchet wheel i with which the pawl coacts for giving at every reciprocation of the swinging base a forwardly feeding impulse to the stepped wheel. This pawl is represented as an approximately vertical bar pivoted at j near its upper end on the swinging base and having a spring j for keeping it to its engagement with the ratchet wheel so that after the base has been depressed and the pawl reaches to engagement with a new tooth of the ratchet wheel on the upward movement of the base to its limit it will advance the ratchet wheel to the extent of one of its teeth and with it the wheel J to the extent of the circumferential length of one of its steps. Coacting with the same ratchet wheel i which is at the back of the stepped wheel is an ordinary click pawl or detent 7c, the whole of which is shown in Fig. 6, while portions of this pawl are con cealed in Figs. 3 and a. The stepped wheel has on its front and as one therewith a second ratchet wheel m shown in Figs. 1 to a, coacting with which is a detent a which is made as a rigid angular member depending below the verticall movable base by which it is carried.

The teeth of the ratchet wheel m are, as a comparison of Figs. 3% with Fig. will show, in the reversed arrangement from the teeth of he ratchet wheel 2', and while the detent working on ratchet wheel 2' prevents any tendency for the rotative parts to overthrow by reason of the feeding impulses of the pawl, the detent a when the base is in its normal elevated position constitutes a stop for preventing any back throw so that the stepped wheel is dead locked by reason of its ratchet wheels, which are united thereto, being engaged by oppositely acting detents. This prevents any possible displacement of the stepped wheel between times when bobbins are brought to their places in the machine and so that the downwardly movable base will always in its proper succession have its movements to abutment against the proper limiting steps. But, of course, it is apparent that so soon as the base moves downwardly the rigid angular detent n is disengaged from the ratchet wheel at, such engagement not being again resumed until the next ratchet feed movement has been completed and the base is in its normal upper position.

As specifically made, the plunger comprises the plunger shaft 0 having a socket 0 in its lower end portion and a shank mem her 0 engaged in said socket having its lower extremity formed with a series of separate downwardly extending tongues constituting spring jaws 0 ,-these jaws presenting the appearance of a downwardly open tube having longitudinal slots therearound. The splits between the jaw constituting spring tongues at the lateral P sides are as wide as or a little wider than, the

jaws

10, 10 which are in operative association with the grooved mandrel. The plunger moreover comprises a sleeve like shell or case 0 inclosing the spring jaws 0* and serving as a guard for preventing them from becoming unduly outwardly bent or distorted such sleevelike incasing shell 0 having its inner wall downwardly flaring, as represented in Fig. 3 so as not to cramp or impede the action of the plunger spring aws. The said sleeve-like shell has slots 0 in its lateral sides so that by reason thereof the substantially tubular and spring jawed plunger may pass without obstruction down about and to entirely inclose the mandrel,-the transversely yielding jaws forming no impediment.

The operation of the machine will be now described: It will be assumed that the base B is in its normal upper position with the step 9 of greater prominence thereunder, and the bobbin will be brought to its position in the socketed rest 6 and rectified as to its vertical alinement by the gage E; the operative will place one of the split rings on the conical upper end of the mandrel; the plunger will descend and its spring jaws will, by their lower ends, force the split ring downwardly on the mandrel, past the jaws 10, 10, and off from the mandrel onto the bobbin butt, it being here explained that by the constrictive engagement between the spring jaws and the cylindrical member, the latter will have a descending movement until it comes upon the upper end of the inverted bobbin; and the engagement between the spring jaws of the plunger and the bobbin butt which is finally embraced by such jaws is such that the bobbin is forced downwardly and through it the base D is moved clownwardly until it comes to a stop against the solid abutment constituted by the aforesaid mostprominent step 9; and now the level of the upper end of the bobbin will be such relatively to the lower ends of the plunger spring jaws that the latter will crowd the split ring down to the third or lowest groove in the bobbin. Upon the upward returning movement of the base the wheel J is fed around to bring the intermediate step 9 unor splits at quarters der the depending lug d of the base so that a second spring ring provided on the conical upper end of the mandrel will, on the next operation of the machine, be crowded to place in the middle groove of the bobbin; and then, again. on the next operation of the machine, the wheel J having been advanced so that its lowest step 51' is in limiting relation to the base, the upper end or" the bobbin will be so much lower relatively to the level reached by the end of the plunger in its descent that the third ring manually supplied on the mandrel will, while being crowded down to the level invariably reached by the plunger, only be moved down on the bobbin butt so far as to be snapped into the upper groove therein. And, of course, it is clear that these operations are repeated in the continued running of the machine for the ringing of bobbin after bobbin in a very rapid and reliable manner.

It will be here explained that it is the duty of the boy or other operative to place the rings on the mandrel so that the splits of each set will be at thirds on the bobbin as is a requirement in the trade. It will also be explained that in the operation of the machine the mandrel incidentally has a de gree of descending and upwardly returning movement as imparted thereto by the grip thereon acquired by the spring jaws of the plunger, for it is advantageous that when a bobbin is placed in the machine the mandrel will be above and clear from it, and yet it is requisite that the mandrel shall thereafter be moved down so as to form a cylindrical continuation of the bobbin but for the guidance of the split ring from the mandrel onto the bobbin. The upward movements which the mandrel has by reason of the rising of the spring jaw plunger which grips it, are limited by the engagement of the lower ends of the sidewise grooves e (2 against the bases of the transversely yieldable spring jaws ff.

I claim 1. In a bobbin ringing machine, the combination with a reciprocatory plunger, of a vertically movable base for a bobbin, relatively to which the plunger moves, and means for suece sively variably limiting the descending movements of said base.

2. In a bobbin ringing machine, the com bination with a vertically reciprocatory plunger having its lower end constructed to embrace the extremity of the bobbin, of a vertically movable base on which to rest a bobbin, and relatively to which the plunger moves, and means for successively variably limiting the descending movements of the base.

3. In a bobbin ringing machine, the combination with a reciprocatory plunger, of a base on which to rest a bobbin, and relatively to which the plunger moves, which base is mounted for up and down swinging movements, and a movable member under said base having series of variably prominent stops adapted to correspondingly limit the downward movements of said base, and means for moving said member whereby its different stops will be successively positioned in their limiting relations to the said base.

. 4. In a bobbin ringing machine, the combination with a reciprocatory plunger, of a base on which to rest a bobbin, and relatively to which the plunger moves, which base is mounted for up and down swinging movements, and a movable member under said base having series of variably prominent stops adapted to correspondinglylimit the downward movements of said base, actuated by the swinging base, and means for moving said member whereby its different stops will be successively positioned in their limiting relations to the said base.

5. In a bobbin ringing machine, the combination with a vertically movable plunger, of a vertically movable base for a bobbin below the plunger and relatively to which the latter moves, means for successively variably limiting the downward movements of the base, and a gage between the base and the plunger for insuring a positioning of the bobbin sustained on the base truly vertically.

6. In a bobbin ringing machine, the combination with a reciprocatory plunger, of a vertically reciprocatory base thereunder, and relatively to which the plunger moves, a wheel below the base having edgewise thereon repeated series of steps, and means for periodically rotatively moving said wheel for bringing one after another of said steps to limiting positions relatively to said base.

7. In a bobbin ringing machine, the combination with a reciprocatory plunger, of a vertically reciprocatory base for a bobbin mounted under the plunger, a wheel located below the base and having repeated series of steps circularly arranged thereon and having unitary therewith a ratchet wheel, a pawl carried by the movable base and coacting with said ratchet wheel, and means for imparting elevating movements to said base.

8. In a bobbin ringing machine, the combination with a reciprocatory plunger, of a vertically reciprocatory base for a bobbin, mounted under the plunger, a wheel located below the movable base and having repeated series of stops circularly arranged thereon and having unitary therewith a ratchet wheel, a pawl carried by the movable base and coacting with said ratchet wheel, means for imparting elevating movements to said base, and a stop for limiting the upward movement of the base.

9. In a bobbin ringing machine, the combination with a reciprocatory plunger, of a vertically reciprocatory base for a bobbin, mounted under the plunger, a wheel located below the movable base and having repeated series of stops circularly arranged thereon, and having unitary therewith a ratchet wheel, means for imparting elevating movements to the base, a stop for limiting the upward movements of the base, and a detent carried by the base and arranged to engage the said ratchet wheel upon the termination of the upward movement of the base.

10. In a bobbin ringing machine, the com bination with a reciprocatory plunger, of a vertically reciprocatory base for a bobbin, mounted under the plunger, a wheel located below the movable base and having repeated series of stops circularly arranged thereon, and having unitary therewith a ratchet wheel, a pawl carried by the base and having an impelling coaction with the said ratchet wheel, a detent pawl coacting with said ratchet wheel, means for imparting elevating movements to the base, a stop for limiting the upward movements of the base, another toothed wheel unitary with the stepped wheel, and a detent carried by the base and arranged to engage the said toothed wheel upon the termination of the upward movement of the base.

11. In a bobbin ringing machine, the combination with a frame and a reciprocatory plunger, of a substantially horizontal base pivotally mounted below the plunger and having a crank-like arm extending from its pivotal portion, a spring connected to said arm and to a fixed part of the machine, a wheel located below the movable base and having repeated series of steps circularly arranged therearound, having a ratchet wheel connected therewith and another ratchet wheel, connected with said step shaped wheel, the teeth of which are reverse from those of the first ratchet wheel and a vertically arranged pawl intermediately pivoted on the base and coacting with the first named ratchet wheel, a spring connected to said base and to the upper extremity of said pawl, and a detent carried by the base and arranged to engage the second named ratchet wheel upon the termination of the upward movement of the base.

Signed by me at Springfield, Mass, in

presence of two subscribing Witnesses.

DANA S. COURTNEY.

Witnesses:

IVM. S. BELLOWS, G. R. DRISCOLL.