US1947645A - Apparatus for use in the production of harness cords for jacquard machines - Google Patents

Description

Feb. 20, 1934. J. T. HARDAKER 1,947,645

APPARATUS FOR USE IN THE PRODUCTION OF HARNESS CORDS FOR JACQUARD MACHINES Filed Nov. 4. 1931 2 Sheets-Sheet 1 F 2 l5 5 F5 :55 220672372 2a (ZZZ 475M69 @k/ 8%7 ll L2, 19

1934- J. T. HARDAKER 1,947,645

APPARATUS FOR USE IN THE PRODUCTION OF HARNESS CORDS FOR JACQUARD MACHINES Filed NOV. 4, 1931 2 Sheets-Sheet 2 ill Patented Feb. 20, 1934 UNITED STATES PATENT OFFICE APPARATUS FOR USE IN THE PRODUCTION OF HARNESS CORDS FOR JACQUARD MACHINES John Thomas Hardaker, Bradford, England 3 Claims. (Cl. 139-31) In the production of harness cords for jacquard machines (used with looms for weaving or with lace making machines) by following the usual process, the ends of said cords and the folded parts of same where they have to be attached to each other (as for example where the cords are secured to the parts styled the neck bands) has been effected by the tying of knots or the interlacing or sewing of one part with another. In all such cases the joining or securing formations have always assumed such large or bulky dimensions that they have interfered with each other by one being brought into the path of the other during their movements when being raised and lowered, and. therefore defective work has resulted.

According to my present invention I'avoid the production of bulky formations caused by the tying of knots, by making use of apparatus which enables added cords to be interlaced with the harness cords at the parts described and further to secure such interlacing of the added cords so that all the cords secured together occupy one and the same plane, therefore bulky formations or dimensions are avoided.

In the carrying out of said process of securing the cords to each other I employ mechanism or apparatus by which the cords are held in such a state of tension as to keep them perfectly regular in their positions relative to each other in order that the interlacing of the binding cords may be carried out in such manner that the resultant effect retains all of said cords in t he even or level plane desired, while further the binding effects of the added cords secure same against the lateral strain put upon the harness cords during their actions or operations.

In order that my said invention may be readily understood I have hereunto appended sheets of drawings illustrative thereof, to which by figures and letters reference is made in the following description:

Fig. 1 is a plan of the machine or apparatus produced in accordance with my invention.

Fig. 2 is a side elevation of the machine or apparatus shown by Fig. 1 as seen looking from right to left of said figure.

Fig. 3 is a drawing in detail showing the formation of a member used in my apparatus, the same being drawn to an enlarged scale.

Fig. 4 is a sectional end elevation taken on line AB of Fig. 3 and as seen looking from right to left of said figure.

Fig. 5 is a similar sectional elevation taken on line CD of Fig. 3 and seen in the same direction as the device illustrated by Fig. 4.

Fig. 6 is a plan showing the formation of the attachment of the cords to each other when produced by the apparatus described.

Fig. '7 is a side view of the cords shown by Fig.

6 as seen looking from left to right of said figure, in order to show the narrow plane in which said cords are situated when bound together.

G indicates the supporting framework or table upon which my improved apparatus is mounted.

To attain the object of my invention I arrange the folded cords 2 which have to be fixed in the usual manner to what are known as the neck bands in a jacquard machine so that these folded cords which form the harness and which extend from the parts at 2a where they are secured together (as is hereinafter explained) reach down to pass through the cumberboard fixed on the loom and to extend beyond same in well known manner.

The said folded or loops of cords are taken and held in position by being passed over a horizontal bar 3 mounted on supports 3a which are fixed to the upper surface of the table G, so that by extending from said bar 3 they may pass over an operating member 4 (of the construction hereinafter described) and forward therefrom to pass over a roller 5 which is mounted to revolve on a stud 6 that is supported by a supporting member 7.

This member '7 is mounted on a base member 8 upon which it slides within a slot shown by Fig. 1.

The sliding member 7 has mounted upon it a projecting pin 9 over which takes a retracting spring 10 having its other end at 10a fixed to a bracket at the end of the member 8 to normally retain the member '7 in its rear position on the base 8.

Mounted to revolve loosely in the fixed bearing 10a and 10b is a screw 11 which is arranged to be manually rotated by the hand wheel 11a in order to adjust the base member 8 (through which it passes) nearer to or further from the member 4 as the length of the cords 2 necessitates.

Extending over the roller 5 is a clamping mernber 12 which partly spans said roller and has an arm 12a that is pivoted to the bearing '7 so that it may be moved, upon said pivot 12a, in order to be held clear of the roller 5 when actuated by the hand actuated lever 12b in order to grip the m5 roller 5 as hereinafter stated.

The revolving member 4 is fixed upon a shaft 13 which is supported in bearings 15 and 15a as shown by Fig. 1 in order that upon the outer end of said shaft 14 a pinion 16 may be fixed and this pinion 16 is arranged to gear with a spur wheel 17 that runs loosely upon a stud 17a extending from the bearing 15.

On the spur wheel 17 a crank pin 18 is fixed to extend laterally therefrom in order that the connecting rod 19 may be pivotally attached thereto to reach down so that its lower end may be pivoted at 19a to a pedal 20.

This pedal 20 pivoted at 20a to the framework G has a projection 20?) upon which the heel of the user may be placed, while another projection 21 is secured to the pedal 20 so that the toe of the user may rest thereon, and the spring 22 attached to the framework and to the pedal 20 retains said pedal 20 and its rod 19 in their normal positions shown by Fig. 2 during the placing of the cords 2 upon the bar 3 and the carrying out of further adjustments on the member 4 as is hereinafter explained.

The member 4 has a series of circumferential grooves ib formed in it and as is shown by Figs. 3, 4 and 5 of the drawings, these grooves extend for a certain depth throughout about half of the circumference of the member 4, while each alternate groove is further made to extend to near the centre of rotation as of the member 4. Thus the periphery of the body parts at 40 of the member 4 in each groove is of the shape shown by Figs. 4 and 5 and the parts 4d occupying alternate positions are of the depth shown by Figs. 3, 4 and 5.

On putting the apparatus into use the attendant takes the folded cords 2 and passes the loops of said folded cords 2 over the bar 3. Said attendant then spreads them and stretches them over the member 4 so that each cord will descend into its respective groove 42) while its neighbouring cord lies in the adjoining groove. The number of grooves occupied being thus double the number of cords 2. After the cords 2 have been thus arranged in their respective grooves, the attendant then stretches them firmly over and upon the roller 5 where they are held against recoil by the clamping member 12 being forced by the hand lever 12b to grip the cords upon and against the upper part of the roller the roller by reason of said clamping member spanning same in a manner which may be said to wedge the cords between its concave surface and the periphery of the roller 5 firmly. From this it will be observed that when the member 4 is in one position such as that shown by Fig. 2 one series of cords 2 (that is half of the strands of cord being used) will be raised or held in the position shown at 2c by Fig. 2, while the other half or series will be held in the position shown at 2d. Thus a space is afforded between the two series of cords 2c and 212 which permits the attendant or operative to pass a needle carrying an additional and separate cord w through the said space w, on which the said inserted cord may be forced into position near the roller 5. The attendant will then operate the pedal 20 so that the member 4 will be revolved through half a revolution so that the cords 2d that were in their lowest position as shown by Fig. 4 will. now be raised into the position occupied by the cords 20 while the cords 20 will descend into the position previously occupied by the cords 2d and therefore another opening between the cords 2c and 2d is formed in order that the attendant may then pass the two ends of the binding cord between them where these may then be forced against the crossing positions of the said threads to be further bound into the interstices formed. This alternate movement and insertion of the cords 2c and 2d is carried out for the space desired to produce the type of binding shown by Fig. 6. This binding having the effect of thoroughly securing all the cords against any lateral pull exerted upon them and without forming any thicker'or bulkier part than is shown by Fig. 7.

Such being the nature and object of my said invention, what I claim is:

1. Apparatus for use in the production or" harness cords for jacquard machines, comprising a retaining bar or member over which the looped cords are made to take, supports for said member, a roller over which the extending ends of the'cords are made to take, a gripping member formed to span the cords on the roller, a handactuated lever for operating and retaining the gripping member, supports for said gripping member and lever, a grooved member for receiving the series of stretched cords, means for operating said grooved member to move one series of cords apart from the other to permit the binding cords to be inserted crosswise the harness cords.

2. Apparatus for use in the production of harness cords for jacquard machines, comprising a retaining bar or member over which the looped cords are made to take, supports for said member, a roller over which the extending ends of the cords are made to take, a gripping member formed to span the cords on the roller, a handactuated lever for operating and retaining the gripping member, sliding supports for said gripping member and lever, screw actuated means for regulating and retaining said sliding member, a grooved member for receiving the series of stretched cords, means for operating said grooved member to move one series of cords apart from the other to permit the binding cords to be inserted crosswise the harness cords.

3. Apparatus for use in the production of har ness cords for jacquard machines, comprising a retaining bar or member over which the looped cords are made to take, supports for said member, a roller over which the extending ends of the cords are made to take, a gripping member formed to span the cords on the roller, a handactuated lever for operating and retaining the gripping member, support for said gripping member and lever, a grooved member for receiving the series of stretched cords, supports for said grooved members which permit oscillatory motion to be transmitted thereto, toothed wheeis and crank gearing for operating said grooved member, pedal mechanism and connecting rod devices for operating said toothedgearing.

JOHN THOMAS HARDAKER.

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