US189922A - Im provem eisit in shuttle-box mechanisms for looms - Google Patents

Description

3 Sheets-Sheet 1.

, F. CHRISTEN. SHUTTLE-BOX MECHANISM- FOR LOOMS. I No. 189,922, Patented A a-r1124, 1877.

WITNESSES I INVENTOR ,H. PETERS, FHOTCLUTHOGRAPHER, WASHINGTON. D O.

.-3SheetsSheet 3.. F. CHRISTEN. 1

SHUTTLE-BOX MECHANISM FOR LOOMS. No. 189,922. Patented A a-r1124, 1877.

wlyses INVENTOR w W/Fmwm NFETERS, FHOTO-LITHOGRAPMER, WASHINGTON, D. C.

PATENT -Onnron.

I "nnnnfion nrsrnn, on HOMESTEAD, IOWA.

Specification forming mofLetters Patent N6. 139 9222, dated April 24, rsnfa plieanon fi led, I Y. February 21, 1877.

To all whom tt'mcy concern: I

-TBe-it known that I, FRED. GHRIs'rEN, of Homestead, in the county offIowaand State of Iowa, have invented certain new and useful Improvements in Shuttle-Box Mechanism for Looms; and Ido'hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled inthe art to which it pertains to makeand use it, reference being had tothe accompanying drawings ,{Which form part of this specification.

My invention relates to an improved shuttle-box mechanism for-looms.

The object of this invention is to provide a with l a shuttle and positively-reciprocated carriage, of a rotary shuttle-box cylinder and suitable mechanism, as will hereinafterbe described, whereby the shuttle is taken from the carriage when it arrives near the end of the loom-lathe; and after the carriage has commenced its return movement any desired 1 shuttle in the cylinder may be delivered to 1. the carriage and carried to the opposite end I of the race.

In the drawings, Figure 1 is a front'view of my improvedshuttlem'otion, a portion of the race being cut away to show the engagement of the sector-gear with the rack attached to; the shuttleecarriage. Fig. 2 is a rear elevation.

Fig. ,3 is a plan view. Fig. 4 represents the; outer end of the shuttle-box. Fig.5 showsl the inner end of the same, with the shuttle-1 box cylinder raised clear of the race. represents the inner end of the shuttle-motion Fig. 6

with the shuttle-box cylinder resting on the race.

A designates the shuttle-race, and ,B the belt, having acarriage, a, secured thereto,

the same as in the ordinary positive-motion looms. I do not-show any particular mech anism for propelling the shuttle, as any of the known mechanisms employed in positive-motion looms may be employed, my improvementbeingadapted' for use with any loom of this class. V r I y 0 represents the-shuttle-box cylinder, which may have any desired numberof shuttle boxe's b formed therein. In the present example I havershown the cylinder provided with four shuttle-boxes. A shai't passes through cylinder U, the journals 0 c of said shaft resting in bearings 01 d, which latter are secured to the outer ends of arms 'D D. e p

The opposite ends of the arm'sD ii) are fitted to or sleeved upon the driving-shaftE, for "a purpose hereinafter described. Gears F corresponding in number with the number of shuttleboxes in cylinder G, are loosely mounted upon the driving-shaft E,and kept from lateral displacement by means of collars e e Gears Hare arranged to mesh with loose gears 'F on the driving-shaft, and are arranged on, and rigidly secured to, the cylinder-shaft in such a manner that the cut-away portion of one gear is opposite the cogs ot' the next gear, and hence by this arrangement three of the sectional gears are always in engagement with the loose gear-wheels F on the drivingshaft. Gear wheels H are separated from eachother by collars y, loosely secured tothe cylinder-shaft. Collars g serve as fulcrums for the clutch-levers, the latter beingpivoted to said collars,whereby theyhave lateral movement to throw the sliding clutchesin :or-out of engagement withthe loose gears F. Upon the end of cylinder-shaft G is secured an arrest or stop wheel, I, which is provided with as many notches or depressions h as there are shuttle-boxes in the cylinder, said notches being arranged in line with said shuttle-boxes. A spring, J, havingan oblong slot, t, in one end to admit of varied adjustment, is secured by a clamp-screw,j, or in any other suitable manner to the arm D, the free end of the spring having an anti friction roller, j, journaled therein. Roller j travels upon the periphery of the arrest-wheel I, and as the roller j enters one of the notches h in the wheel the roller serves to lock the cylinder and hold it stationary while a shuttle is being deposited in or taken from a shuttle-box in the cylinder.

The rotary shuttle-box cylinder is raised andlowered as follows: Krepresents a toothed sector, secured to the outer end of a countershaft, k, journaled in bearings beneath the shuttle-race. A rest or stop bar, K, is secured to the race, the rest serving to limit the movement of sector K. v

Sector K projects upward into the race, and is operated and turned in either direction by means of a rack, Z, secured to the side of the shuttle-carriage a. When the carriage approaches the end of the race the rack Z secured to the carriage engages with the teeth of the sector and turns the same in the direction of the line of travel of the carriage. Immediately after'the' carriage commences its return movement, the rack Z engages with the sector, and turns it in the opposite direction.-

To the opposite end of the counter-shaft k is secured a cam, m, which rests upon the free .ends of levers a a, which are pivoted to supports 0 0. Upon the outer ends of .levers n a rest the vertically-sliding bars pp, the upper ends of said levers being forked to receivethe arms D D.

By the arrangement of parts last described itwill be seen that when the shuttle-carriage approaches the end of the race,.and after the shuttle has been delivered into the shuttlebox-cylinder, the rack on the carriage engages with the toothed sector turning the same, which operation imparts a part revolution to the cam, thus depressing the inner ends of levers n n, and raising the sliding bars 19 p, which latter operate to raise the cylinder clear of the race, and allow the cylinder to be revolved, if so desired, to bring another shuttle in line with the race. When the carriage commences its return movement the rack Z engages with the sector, and turns it in the opposite direction, and reverses the movement of the several parts above described, thus lowering the cylinder, so that the roll ers of the carriage engage with the rollers of the shuttle, and draw the latter from its box and carry it across to the opposite side of the loom.

It' will be noticed that the periphery or shell q of cylinder 0 extends slightly over the side walls, of each shuttle-box, as at 1" 1', forming a ledge or flange on each side of the shut-.

tle-box. The opening 8 of each shuttle-box is of sufficient width to allow of the entrance of the rollers of carriage and shuttle, but of less .width than the width of either carriage or 'tle-box in line with the race.

shuttle. As the flanges r 4 rest in directcon; tact with the upper portion of the race the carriage conveys the shuttle Within the shut- The rollers of the shuttle project through the opening .9 of the shuttle-box; but as this opening is narrower than the shuttle the latter is securely retained within the cylinder, as it is revolved, to carry any one of the number of shuttles therein contained to the shuttle carriage. Each shuttle-box is provided with a stopspring, t, or some equivalent device, to prevent the shuttle fromcoming in contact with the gearing on the cylinder-shaft.

""In order to allow the weft-threads to be disengaged from the rotary shuttle-box cylinder, the inner bearing is formed of the upper and lower sections a u, the upper and fixed sections to being secured to an arm, 0, at the highest point attained by the journal of the cylinder in its vertical movement. The movable sectional bearing a is secured to the arm D. When the cylinder is being revolved the journal is supported in the bearing u; but when the cylinder is resting on the race, and a shuttle is being taken from one of the shuttleboxes, then the movable bearing rests on the loom-lathe, as shown in Fig. 6, and the -journal is freed from contact with either bearing, thus allowing the weft-thread to pass freely over the journal.

Each one of the clutch-levers is provided with a spring, w, one end ofwhich is secured to the clutch-lever, while the outer end of the spring rests against the side of the opposing sectional gear. This arrangement serves to keep the sliding clutches disengaged from the loose gears on the driving-shaft, unless the clutch-levers are forced-against the spring to compel such engagement.

The operation of my improved shuttle-motion is as follows: The rotary cylinder having been filled with as many different shuttles as different colors are desired in the fabric to be woven, continuous rotary movement is imparted to the driving-shaft E, the looselyfitting gears F remaining in a stationary posi .tion on said driving-shaft until thrown in engagement therewith, as hereinafter described.

The rotary cylinder, in its normal position, rests on the race, and as the shuttle carriage passes beneath the cylinder the shuttle is de livered into the shuttle-box of the cylinder in line with the race. The carriage still keeps traveling toward the endof the race, and just before it reaches its limit of movement the rack l, attached to the side of the carriage,

engages with the toothed sector 70, turning it from right to left. As sector It is rigidly secured to the counter-shaft carrying the cam m, the latter is actuated, and, through the medium of levers a at, bars 191), and arms D D, serves to raise the cylinder 0 clear of the shuttle-race.

If it is desiredto use the same shuttle again, the cylinderis not rotated; but if a different shuttle is required, the clutch is moved, which serves to throw the loose gear on the driving-shaft into engagement with the sectional gear on the cylinder-shaft, which is adapted and arranged to rotate the cylinder a suflicient distance to bring the desired shuttlebox in line with the race. When the cylinder has attained the proper position, the gear, which has been locked to the driving-shaft by the clutch, becomes disengaged from the sectional gear as the cut-away portion of the,

latter rests in proximity to the cogs on the revolving gear, and the cylinder is thus brought to a rest, where it is retained in a fixed position by means of the roller engaging with the notch ordepression in the arrestwheel.

The shuttle-carriage then commences its return-movement, and when it enters that portion of the shuttle-race situated beneath the cylinder the rack Z on the carriage engages with thetoothed sector and reverses the operation of the parts heretofore described, thus lowering the cylinder, which latter again rests on the shuttle-race. The rollers on the shuttle-carriage then engage with the rollers of the shuttle and convey the shuttle from its box. As heretofore set forth, the weft-thread is allowed to pass readily from the journal of the cylinder as said journal is freed from its hearing when the cylinder is in its lowest position.

The clutch-levers and springs mounted on the cylinder-shaft are raised and lowered with the shaft, allowing said levers to engage with, and be disengaged from, the filling-chain V levers.

I do not limit myself to the exact construction of parts shown and described, as it is evident'that they may be modified in form and relative arrangement without departing from its travel, serves to raise or lower said cylinder, substantially as and for the purpose set forth.

3. In a loom wherein the shuttle is actuated by a positively-reciprocated carriage, the combination, with the shuttle-box cylinder, journaled in vibrating bearings, and mechanism for operating the cylinder, of the shuttle-carriage, provided with a rack, and a toothed sector, and mechanism arranged to impart vertical movement to the shuttle-box cylinder, substantially as and for the purpose set forth.

4. The combination, with the shuttle-box cylinder and supporting-arms, pivoted upon the driving-shaft, of the shuttle-carriage,rack, toothed sector, rock-shaft, cam, levers, and sliding bars, substantially as and for the purpose set forth. I

5. The combination, with the driving-shaft having gears loosely mounted upon the same, and sliding clutches adapted to lock said gears to the shaft, of the cylinder'shaft, provided with sectional gears, and clutch-levers adapted to throw the gears on the driving-shaft in or out of gear with the sectional gears on the cylinder'shaft, substantially as and for the purpose set forth.

6. The combination, with the loose gears on the driving-shaft, of sectional gears and collars on the cylinder-shaft and clutch-levers pivoted to said collars, substantially as and for the purpose set forth.

7. The combination, with the cylinder-shaft and mechanism for vertically moviu g the same, of the sectional bearing for its inner end, whereby the weft-thread may pass from the journal when the shuttle leaves the box, substantially as and for the purpose set forth.

8. The combination, with a positively-reciprocated shuttle-carriage and a rotary shuttlebox, the same adapted to be raised and lowered by the shuttle-carriage, of mechanism, substantially as set forth, whereby the cylinder may be actuated to bring any one of its boxes in line with the shuttle-race, substantially as and for the purpose set forth.

In testimony that I claim the foregoing I have hereunto set my hand this 17th day of February, 1877 FRED. OHRISTEN. Witnesses:

J. E. FRIoK, P. P. KUNZ.

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