US1378732A - Harness-action for looms - Google Patents

Description

Patented May 17,1921.

3 SHEETS-SHEET I.

gwuc/wkm AdlardBSimoneau A. B. SIMUNtAU.

HARNESS ACTION FOR LOOMS.

APPLICATION FILED JAN. 19. 1920.

1,878,732. Patented May 17,1921.

3 SHEETS-SHEET 2.

i i LE1 l HWWV - Ade-lard Bsimoneau' A. B. SIMONEAU.

HARNESS ACTION FOR LOOMS.

APPLICATION FILED JAN. I9, I920.

Patented May 17, 1921.

3 SHEETS-SHEET 3.

AdeIardBSimoneau PATENT OFFICE.

ADELARD B. SIHONEAU, OF WATEBVILLE, IAINE.

HARNESS-ACTION FOR LOOKS.

Specification of Letters Intent.

7 Patented May 17, 1921.

Application filed January 19 1920. Serial No. 352,438.

To all whom it concern:

Be it known thatI, ADELARD B. SIMONEAU,

. a citizen of the United statels residing at Waterville in the county of ennebec and State of Maine, have invented certain new and useful Improvements in Harness-Actions for Looms, of which the following isa s ecification.

, his invention relates to harness action for looms, and has for an object to provide new and improved means for shifting the several harness units employed in weaving, and while the structure is expressly intended for hand looms for use in rag carpet weaving, it is not limited to such utility and is applicable to other types of looms to. weaving covering a cons derable range of fabrics.

A .further object of the invention is to provide an improved means for raisin the harness units against the tensions 0 retracting springs and releasing such units in timed relation with and actuated from the oscillation of the lay.

With these and other objects in view, the invention comprises certain novel constructions, units and combinations which will be hereinafter more fully described and claimed.

"Referring to the accompan ing drawings, which are made a part hereo and on which similar reference characters indicate similar arts, 7

. igure 1 is a view of the loom in end elevation, certain parts being broken away to show the harness suspension,

Fig.2 is a longitudinal vertical sectional Fig. 3 is a top. plan view of the harness actuating mechanism shown in normal or neutral position,

Fig. 4 is the top'plan view of the harness actuating mechanlsm shown in position with the lay swung to shuttle actuating position and certain of the harness actuating mechanisms moved away from neutral, and

Fig. 5 is a perspective view of the cam shaft for raising and lowering the harnessactuating bars.

The improved harness actuating mechanism which forms the subject matter of this application comprises upright levers 10 and 11, pivoted to the loom frame at 12, and

"actuatedfrom the lay, which is here shown conventionally at 13, by means of any a proved connecting mechanlsm, as the 1m s 14. It will be obvious, especially from Fig. 1, that as the lay 13 is oscillated, in the usual well known manner, the levers 10 and 11 will likewise be oscillated upon their fulcrums-from the full to the dotted line position in-Fig. 1.

The lever IO'carries upon its upper enda substantially triangular cam 15, the lever 11 carrying an equivalent cam 16. The cams 15 and 16 are oppositel inclined as shown more particularly at Figs. 3 and 4. As the levers 10 and 11 oscillate upon their pivots 12 the cams 15 and 16 will reciprocate from the forward position shown at Fig. 3 to the rearward position shown at Fig. 4 which is the limit of their movement. At Fig. 2 the position of the cams 15 and 16 is the same as at Fig. 4, to the extreme limit of movement of the harness-moving mechanism.

Upon the frame of the loom, uprights 17 and 18 are employed supporting the fixed frame 19 having an auxillary frame 20 slidable on the frame 19 and uprights 17 and 18, as indicated at Figs. 3 and 4. At its opposite ends the auxiliary frame 20 is provided. with cam blocks 21 and 22 in position to be engaged and moved by the cams 15 and 16 respectively through the path of movement indicated at Figs. 3 and 4, carrying therewith the auxiliary frame 20. It will be obvious that the swinging of the lay 13 and the actuation of the cams 15 and 16 therefrom will reciprocate the auxiliary frame 20 alternately in opposite directions, making a complete cycle of reciprocation at each complete cycle of movement of the lay.

Bearing upon the uprights 17 and 18 and within the frame 19 are a plurality of bars, here shown four in number, the number of bars depending upon the number of harness units employed. The bars shown, fourin number as just stated for the purpose of illustration only, are numbered 23, 24, 25 and 26, it being understood that the invention is in no way limited to this num ber of bars.

Each of the bars 23 to 26 inclusivehas suspended therefrom a harness unit. At Fig. 2 the harness unit 27 is indicated as suspended from the bar 23 by the straps 28, passing over the rollers 29 secured to the bar in any approved manner as by the fastening member 30. .The harness unit 31 is likewise sus ended by the stra 32 passing over a 1'0 er co -axial with t e rollers l 29 and attached to the bar 24 at 33. Each of the bars 25 and 26 has a harness unit 34 and 35 suspended therefrom by the straps 36 and 37 in like manner.

The harness units are also provided with springs 38 exerting tension against the stress of the strays in lifting so that when the lift of the straps is released the harness units are returned to normal the stress exerted by their own weight augmented by their respective attached sprin s.

Each of the bars 23 to 26 inc uslve is provided with a shoulder 39 forming a hook, as indicated more particularly at Flg. 2, adapted, when free, to engage oyer the cam block 21, as shown at such Fig. 2, and to be moved by and with the cam block as 1nd1- cated .at Fig. 4. The movement of either of the bars 23 to 26 inclusive with the cam block 21 in the direction indicatedat Figs. 2 and 4 obviously raises its attached harness unit as indicated at 27 by drawing the straps 28 over the rollers 29. It is also obvious that if all of the bars were free all would simultaneously engage the block 21 and simultaneously raise all of the harness units. As this would not result in a weaving condition of the warp, means 1s provided for controlling the engagement of certain of the bars with the block at certain intervals. This controllin means comprises a shaft 40 journaled 1n the frame 19 and provided with cam sections as indicated at 41 (see Fig. 5). With the'cam sectlons arranged as shown at Fig. 5 it is obvious that two of the bars, as for instance 23 and 25, will be in position to engage the block 21 while two of the bars, as 24 and 26, will be lifted by the shoulders 41, 42 out of the path of movement of the block 21 as shown I 1n Fig. 2. The rotation of the shaft 40 will vary the position of the shoulders which raise and lower the several bars 23 in an obvious manner. Rotation of the shaft is provided for by employing a pawl 43, piv oted to the auxiliary frame 20 at 44, and engaging the teeth of the ratchet 45 upon the shaft 40 with each reciprocation of the frame 20. A detent 46 is also employed bearing upon a multi-angular. section 47 of the shaft 40 and with a spring 48 adapted to hold the detent in engagement with the section 47. The detent 46 is pivoted at 49 to the frame 19 and is employed to prevent untimely turning of the shaft 40. A keeper 50 extends across and is secured to the frame 19 to prevent the bars 23 to 26 inclusive from being displaced. To limit the movement of the bars 23 to 26 inclusive under the action of the springs 38 and weight of the harness units, stops 51 are formed upon the several bars, in position to engage the top of the upright 18 when in normal position as shown more particularly at Fig.2.

In operation the swinging of the lay from.

the an line position at Fig. 1 oscillates the levers 10 and 11 to reciprocate the auxbars and consequently for the raising of the harness units, may have its cams arranged in any order and any sequence that the exigencies of the weaving may make desirable. It is also obvious that the variation which may thus occur in the arrangement of the cams on the shaft 40 will control the type of weaving produced by the actuation of the loom.

Having thus fully described In said invention, what I claim as new an desire to secure by Letters Patent, is:

1. In a loom, a la a pluralit of harnesses, means adapte to be selectively connected to the harnesses and movable transversely of the loom to operate such harnesses as are connected thereto and connections from the lay to the harness operating means to actuate the latter, substantially as set forth.

2. In a loom, a lay, shed forming devices, operating means for the shed formin devlces movable transversely of the oom, means for connecting the shed forming devices selectively to said operating means, and means connecting the lay to said operating means to actuate the same, substantially as set forth.

3. In a loom shed forming devices, a frame extending across the loom and su ported at both sides thereof, bars extending engthwise of the frame and adapted for connection thereto, connections from the bars to the shed-forming devices and means to reciprocate the frame.

4. In a loom a plurality of-harnesses, bars to operate individual harnesses, means slidable transversely of the loom to operate the bars and means operating transversely of the first said means to move the same.

5. In a loom a harness unit, a frame extending across the loom and in sliding engagement with both sides of the loom frame,

connections from the slidable frame to the harness unit and a member in sliding engagement with the frame for moving the frame.

6. In a loom, a lay, shed forming devices, a frame extendin across the loom and supported at both si es thereof, means for coni tially as set forth.

7. In a loom, a set of harnesses, a frame extending parallel to the harnesses, connections from the frame to the harnesses, and means for reciprocating the frame comprising a member movable lon itudinally of the loom and connected to the rame.

8. In a loom, a lay, a plurality of harnesses, a frame slidably mounted .on the loom, means to connect the frame to the harnesses, and means to actuate the frame movable in synchronism with the lay and transversely of the motion of the slidable frame.

9. In a loom, a lay, a plurality of harnesses, a rocking lever adjacent to the lay, a link attached to the lay and also to the lever, a frame mounted for movement transversely to that of the lay, means on the lever for imparting such movement to the frame, and connections from the frame to the harnesses.

10. In a loom, a lay, a, plurality of harnesses, a frame having cams thereon and connected to the harnesses tooperate them selectively, means attached to the lay to impart motion to the'frame, said means including cams to act on the cams carried by the frame.

11. In a loom a plurality of harnesses, a frame and connections therefrom to the harnesses, means for imparting movement to the frame comprising rocking members carrying cams engaging the frame.

12. In a loom, a lay, a pluralityof harnesses, bars connected to the harnesses and I having hooks formed thereon, a movable frame adapted to engage the hooks, said frame having cam members at each. end, pivoted levers mounted parallel to the lay and beneath the frame, a link at each end of the lay connectedto a lever, and a cam on each lever for engagement with the cams on the movable frame.- p

y In witness whereof, I have hereunto set my hand and seal at Waterville, Kennebec county, Maine, this fifteenth day of January, A. nineteen hundred and twenty.

ADELARD B. SIMONEAU. [n s.] Witnesses THOMAS Nrwrmns, KATHERINE M. CHASE.

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