US591979A - And hoped ale - Google Patents

Description

(No Model.)

. W. LAGBY.

- STOPPING MECHANISM FOR LOOMS.

No. 591,979. Patented Oct. 19,1897.

UNITED STATES T aZZ whom, it may concern.-

Be it known that I, W'ALTER' LACEY, of Adams, in the county of Berkshire and State of Massachusetts, have invented an Improvement in Stopping Mechanism for Looms, of which the following description, in connection with the accompanying drawings, is a specification, like letters and figures on the drawings representing like parts.

This invention has for its object the prodnction of means for automatically braking a loom upon operation of the weft-stop-motion mechanism, the brake being controlled by or brought into operation upon failure of the filling, and also by protector mechanismthat is to say, by mechanism acting to prewhen the shuttle is improperly positioned in the shuttle-box. It has been customary to apply a bra-kc on a loom whenever the shipperlever is thrown out of the usual holdingnotch, and it has also been customary to provide an auxiliary brake operative by the protector mechanism. Looms have also been constructed wherein such a protector controlled brake is provided, but with no brake device controlled by the stoppage of the loom, but so far as I am aware it is new to operate a single brake mechanism by both the weftstopping mechanism and the protector mech amsm.

Figure 1 is a left-hand end view of a loom with my invention applied thereto. Fig. 2 is a front elevation of a part of the mechanism shown in Fig. 1, to more clearly illustrate the connections between the weft-stop-motion and brake mechanisms. Fig. 3 is a similar view, the shipper-lever, however, being shown in operative position to apply the brake. Fig. at is a partial detail in perspective of the shipper-lever and a portion of the cooperating brakesetting mechanism; and Fig. 5 is a sectional detail taken on the line a: :12, Fig. 2, through the breast-beam.

The loom-frame A, lay A breast-beam A main crank-shaft C, and the shipper-lever L to actuate the usual belt-shifter (not shown) are of usual construction, the loom being shown as provided with a weft-fork 79 its carrying-slide b and the controllingor operating shaft d, having an arm (Z to be envent the continued operation of the loom Y lever.

PATENT OFFICE. V

\VALTER LACEY, OF ADAMS, MASSACHUSETTS, ASSIGNOR TO THE NORTHROI LOOM COMPANY, OF SACO, MAINE, AND HOPEDALE, MASSACHUSETTS.

STOPPING MECHANISM FOR LOOMS.

SPECIFICATION formingpart of Letters Pateht No. 591 ,979, dated October 19, 1897.

Application filed September 29, 1896. Serial No. 607,311. (No model.)

gaged by the outer end of the filling-fork slide to rock the said operating shaft, said mechanism being substantially as shown and described in United States Patent'No. 557,998,

dated April '7, 1896. I

The crank-shaft O has a fly-wheel G thereon, adjacent to which is mounted a brakeshoe B, pivoted at B on an arm B secured to the loom side, (see Fig. 1,) said shoe having a lug or projection b to which is secured a brake-rod b, slotted at its front end at b to embrace a stud b on a block 0, mounted to slide on the loom-frame. A rocker-arm (Z mounted on the lay, has secured to or forming part of it a hunter (2 adapted when in operative position to engage a shoulder e on the slide-block c and move the latter in the direction of the arrow 10, Fig. 1, as the lay heats up. An upturned finger d on the arm (1 is adapted to engage the usual shuttle-box feeler or hinder d so that when the shuttle is properly positioned in the box the feeler or binder will act upon the finger d and move the hunter (1 into inoperative position, improper positioning of the shuttle failing to so move the hunter. The said devices constitute a protector mechanism for the loom, for when the slide-block c is engaged by the bunter the actuating-rod b is moved to apply the brake, and a projection c on the slideblock engages the depending end 0 of a rocker-arm 0 fast on a short shaft 0 mounted in the frame A, and turns the shaft and arm, the upper endof the latter engaging the shipper-lever L and pressing it out of the usual holding-notch in the plate N, so that the brake is applied as the loom is stopped.

Referring to Fig. 5, the operating-shaft d, controlled by failure of the filling 'in wellknown manneras, for instance, in the patent referred tohas fast thereon an arm (Z connected by a link d with an arm 0 fast onthe short shaft 0 so that when the shaft cl is rocked it will in turn operate the shaft c and through the arm a release the shipper- Such operation of the weft-stopping mechanism is not new nor of my invention,but I have provided means whereby it will set the brake independently of the protector mechanism described, though acting through one and the same brake-rod.

On the loom side I have pivoted at f a lever f, provided at its outer end with aweight IV, and upturned at its fulcrum to form a toe f, adapted to engage a lug f on a collar f fast on the brake-rod b, the lever acting when released to set the brake.

On a depending part N of the notched plate N is fulcrumed a controlling mechanism, comprising lever g, provided above its fulcrum 9 with a stud g, to which is attached a link g the other end of the link being connected to the free end of the brake actuator or lever f, the brake-actuator being held inoperative when in the position shown in Fig. 2.

The pin g to which the lever g is rigidly secured, has also fast thereon a plate 9 provided on its rear side, above and below said pin, with lugs or projections 4: 5, in the path of movement of the bent-over ends let 15, of a stop-plate h, secured to the shipper-lever L.

Then the shipper-lever is in its notch, as in Figs. 2 and 3, the end 14 of the plate h engages the upper lug 4 and maintains the lever g of the controlling mechanism in the position shown, while the lug 5 is held by the bent end 15 as a stop, to prevent further rotative movement of the lever g to the right, Fig. 2. By reference to said figure it will be seen that the stud g is then at one side of the fulcrum g or off center, so that as soon as the shipper-lever L is released, either by hand or automatically, and moves over into position shown in Fig. 3, the stop-plate h will release the controlling mechanism and permit the lever f to be moved by its weight W. The lever g is turned into the position shown in Fig. 3 by the movement of the brake-actuator f as the latter sets the brake, and when the shipper-lever is returned to its notch to start the loom the part 14 of the stop-plate it engages the lug 4t and returns the controlling mechanism to normal position, resetting the brake-actuator f.

The lever g of the controlling mechanism for the brake-actuator is governed by the weft-stopping mechanism of the loom, so that the brake is set when the weft-stopping mechanism operates. The brake mechanism is thus rendered operative, the brake-rod thereof being actuated by or through the protector mechanism or by the weft-stopping mechanism of the loom, either or both. The lever g may be operated by hand to return the brake actuator or lever f to normal position, thereby releasing the brake, even if the shipperlever is not moved into operative position, as it is sometimes desired to turn the loom over by hand. When the lever g is so moved by hand, it is swung over farther to the right than shown in Fig. 2, until a stud g on the lower end thereof engages some fixed part of the loom-as, for instance, the part N of the holding-plate. mechanism off center to the right, but when the shipper-lever is moved into operative position the part 15 of the stop-plate 71 will act upon the pin 5 and move the controlling mechanism into the position shown in Fig. 2, the controlling mechanism then being off center to the left, as it were, as and for the purpose before described.

I do not claim, broadly, herein in a loom a brake, a single hand-controller for directly operating said brake, a shipper cooperating with said hand-controller whereby stopping movement of said shipper automatically causes movement of said hand-controller to apply said brake, said hand-controller being adapted for engagement by the operators hand for manually moving the same independently of said shipper, to release said brake while the-- loom is stopped, as the same is not of my invention.

Having fully described my invention, what I claim, and desire to secure by Letters Patent, is-

1. In a loom, a shuttle-feeler, a hunter controlled thereby, a brake for the loom, an actuating-rod for said brake, a slide-block to be engaged by the bunter, to set the brake when the shuttle is improperly positioned, and a slot-and-pin connection between said actuat- This throws the controlling ing-rod and slide-block, combined with a shipto said actuator, lugs movable with the lever and above and below its fulcrum, a shipperlever, and a stop-plate thereon, to cooperate with said lugs and govern the position of the lever, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

WALTER LAcEY.

' \Vit-nesses:

- O. Enos BEAN,

F. R. SHAW.

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