US737939A - Shuttle-motion for looms. - Google Patents

Description

No. 737,939. PATENTBD SEPT. 1, 1908. W. P. KINTZING.

SHUTTLE MOTION POR LOOMS.

APPLIUATION :FILED APR. 1e, 1903.

No. 737,939. PATENTED SEPT. 1, 1903. W. 1. KINTZING. SHUTTLE MOTION P011 LO0Ms.

ATTLIoATIoN FILED 11101.10. 1903.

:so 11011111.. s snnnTs-sxum'r 9` Ivo. 737,939.

UNITED STATESr i Patented September 1, IQ.

VILLIAM F. KINTZING, OF NEW FREEDOM, PENNSYLVANIA.

SHUTTLE-MOTION FOR LOONIS.

SPECIFICATION forming part of Letters Patent No. raaese, dated september 1, 190e.

Application led April 16, 1903. Serial No. 152,912. (No model.)

To all whom it r11/tty concern:

Beit known that I, WILLIAM F. KINTZING, a citizen of the United States, residing at New Freedom, in the county of York and State of Pennsylvania, have invented certain new and useful Improvements in Shuttle-Motions for Looms; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the figures of reference marked thereon, which form a part of this speciication. o

My invention relates to shuttle-motions for looms, and while particularly adapted to looms for Weaving Wire-cloth still it may be used in looms for Weaving other material.

The invention has for its object to take up the slack in the chains employed in looms of the type illustrated, and also has for its object to provide improved means for releasing 'the shuttle when to be transferred from one shuttle-bar to the other.

'Io the accomplishment of the foregoing and such other objects as may hereinafter appear the invention consists in the construction as Well as in the combination of parts hereinafter particularly described and then sought to be clearly defined by the claims, reference being had to the accompanying drawings, forming a part hereof, and in which;

Figure l is a front elevation of so much of a loom as is necessary to illustrate the application thereto of my invention; Fig. 2, an end elevation of the same; Fig. 3, a face or side viev.7 of one of the chain-wheels, showing also the chains with their cams, one inthe position of bearing against its wheel and the other out of engagement; Fig. 4, a plan view of the shuttle-hook-actuating block, and Fig. 5 a vertical longitudinal section through one of the shuttle-bars.

In the drawings the numeral 1 designates the loom-frame, from which is swung the lathe-frame 2, which carries the shuttle-movement, comprising Agenerally the shuttle-bars 3, connected by the pitmen 4 to the crankarms 5, attached to the chain-Wheels G, journaled in the plate 7, so that one will lie on each side thereof, from which chain-Wheels pass the chains 8, which after passing over the sheaves 9 and 10 are connected to the crank-arms l2 of the shaft 13, which shaft has cams 14 and 15 to bear against the levers 16 and 17, connected by the links 18 and 19 with the heddle-frames 2O and 2l, which may be operated, as usual, in looms of this type-'h for instance, as illustrated in my United States Patent No. 673,839--01 in any other suitable manner. y

The feature for taking up the slack in the chains 8 under my present invention consists in providing each chain 8 with a cam 22, which may be in the form of a casting linked or coupled to the chain. These cams will be so positioned on their respective chains that in the rotation of the wheels in the direction that would produce slack in the chain the cam will have a bearing against the chainwheel and cause the chain to stand out from the wheel or leave its periphery at such an angle at the point of contact of the cam and wheel that slack in the chain is prevented or taken up. This enables the chain-Wheels to be made in the form of a complete or true circle and admits of the slack-taking-up feature to be applied to looms of this general character having chain-wheels which describe afcomplete circle instead ot' specially constructing chain-wheels so as to take up the slack. For the purpose of obtaining a yielding contact between the cam and the chain- Wheel I provide a spring between the cam and wheel, which may be a leaf-spring 23, and which I preferably attach to the cam, but which might be otherwise-secured between the cam and wheel. This practically pro- Vides a yielding or spring cam, so that the slack will be taken up by a. yielding cam and a uniform tension upon the chain maintained, as will be obvious to the skilled in the art.

The other feature of my present invention relates to the means for releasing the shuttle at the proper time for its transfer from one shuttle-bar to the other. For this purpose the shuttle-bars 3 are made hollow and are guided in their movement by suitable bearings 25, carried by the loom-frame. Within IOO each shuttle-bar there is pivoted at its heel end by a pivot-pin 26 a hook 27, the heel or shank of the hook being formed with a slot 28, in Which fits a roller 29, supported upon j a pintle 30, carried by a block 3l, said block place by nuts 38 or otherwise.

being formed With a recess 32, in Which tits the shank of the hook 27, the lower face of the block 24 being formed with a recess 33, so as to permit the block 24 to be reciprocated Without interference With the end of the shank at the point where the latter is pivoted to the shuttle-bar. The block 3l is provided with a rod 34, which extends through the plug 35, secured in the end of the shuttle-bar by a pin 36, and said rod is provided at its outer end with an adjustable finger 37, held in Inside of the shuttle-bar the rod 34 is encircled by a spring 39, one end of which bears against the plug 35 and the other against a collar 40, secured by a set-screw or otherwise to the rod.. Each shuttle-bar is provided with one of the pivoted hooks and sliding blocks 31 and rods 34 and the other parts described, and a separate description is therefore unnecessary. Upon a suitable support--forinstance, upon the part 4l of the latheframethere are secured stops 42, which are formed with slots 43 and secured by set-screws 44, passed through the slots and into the part 4l, so as to hold said stops at the adjustment desired. These stops are so position-ed that at the proper time in the movement of the shuttle-bars for the release of the shuttle from one bar the linger 37, carried by the shuttle-bar from which the shuttle is to be released, Will come in contact With the stop 42, so that the rod 34 -Will be retracted and move the block 31, so that its antifrictional roller 29 Will press against the Wall of the slot 28 in the hook 27,

so as to turn the hook upon its pivot 26, and thus lift the hook and disconnect it from the shuttle, so that the latter WhenV engaged by the corresponding hook of the other shuttlebar Will be carried by the latter bar in its travel. As soon as the shuttle-bar Whose pivoted hook has been disengaged, as described, moves outward, so as to carry the finger 27 away from the stop 42, the spring 39, which Was compressed in the retraction of the rod 34, will expand and restore the rod 34 and the hook 27 to their normal position. It will of course be understood that the several parts Will be so proportioned and arranged one in relation to the other that the shuttle-bars Will travel as ordinarily in looms of this character and bring the adjacent ends of the two shuttle-bars in such position one to the other that at the proper time the shuttle will be released from one shuttle-bar and grasped by the other shuttle-bar and so on in .alternation throughout the operation of the tion which they bear one to the other at the time that the shuttle is to 1oe released from one shuttle-barand grasped by the other, the hook 27 to one of the bars being shown in its raised or releasing position.

WhileI have illustrated and described with particularity the preferred details of construction which I have found to give most satisfactory results, yet is to be understood that changes may be made in the details and essential features of my invention still be retained.

If desired, the periphery of the chain- Wheels may be grooved or otherwise formed to provide a ange at the periphery to guard against the possibility of the chain slipping from off the Wheel.

Having described my invention and set forth its merits, what I claim is- 1. In a shuttle-motion for looms, the com bination of the reciprocating shuttle-bars, pitmen for transmitting motion to said bars, rotatable chain-receiving Wheels connected With said pitmen, chains connected with driv ing mechanism and attached to said Wheels, and a yielding cam for taking up slack in the chains, substantially as described.

2. In a shuttle-motion for looms, the combination of the reciprocating shuttle-bars, pitmen for transmitting motion to said bars, rotatable chain-receiving Wheels connected with said pitmen, chains connected with driving mechanism and attached to said Wheels, and a spring-.influenced yielding cam fnrtaking up slack in the chains, substantially as described.

3. In a shuttle-motion for looms, the combination of the reciprocating shuttle-bars, pitmen for transmitting motion to said bars, rotatable chain-receiving Wheels connected Vwith said pitmen, and chains attached to said Wheels and connected With driving mechanism and carrying cams arranged to coact with IOC the chain-Wheels to take up slack in the chains,

substantially as described.

4. In a shuttle-motion for looms, the combination of the reciprocating shuttle-bars, pitmen for transmitting motion to said bars, rotatable chain-receiving Wheels connected with said pitmen, said chains attached to said Wheels and connected With driving mechanism and carrying cams and springs arranged to coact with the chain-wheels to take up slack in the chains, substantially as described.

5. In a shuttle-motion for looms, the combination with the reciprocating shuttle-bar, of the shuttle-holding hook pivoted to the shuttle-bar and formed with a slotted heel, a sliding block formed with a recess in which fits the heel of the shuttle-holding hook, a member attached to the block and passing through the slot in the shuttle-holding hook, a rod connected to the sliding block and provided at its outer end With a linger, a stop at- IIO tached to a suitable support and adapted to have said nger Contact with it in the movement of the shuttle-bar to retract the sliding block and release the shuttle-holding hook, and a spring for restoring the sliding block and shuttle-holding hook to their normal position, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

VILLIAM F. KINTZING.

Witnesses:

W. E. BUSHONG, CHAS. YOUNG.

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