US694362A - Stop-motion for looms. - Google Patents

Description

Z 0 m 4 r a M d e t n e t a P R E TI B 0 F Gw & N 2 6 4 9 6 0 N STOP MOTION FOR LOOMS.

(Application filed Oct. 15, 1901.)

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(No Model.)

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(Agiplication filed on. 15, 1901.

2 $heets-Sheet 2.

(No- Model.)

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UNITED STATES PATENT OFFICE.

NAPOLEON FORTIER AND GEORGE FORTIER, OF WARREN, RHODE ISLAND.

STOP-MOTION FOR LOOMS.

SPECIFICATION forming part of Letters Patent No. 694,362, dated March 4, 1902.

Application filed October 15, 1901. Serial No. 78,741. (No model.)

To aZZ whom it may concern.-

Be it known that we, NAPOLEON FORTIER and GEORGE FORTIER, citizens of the United States, residing at Warren, in the county of Bristol and State of Rhode Island, have invented certain new and useful Improvements in Stop-Motions for Looms, of which the following is a specification.

Our invention relates to stop-motions for looms wherein the warp-threads pass through atransversely-arranged frame or attachment, and has for its object the ends commonly sought in similar mechanisms, but at a minimum cost, with the additional advantage of facile adjustment.

To the ends above specified our invention consists in the novel arrangement and combination of parts hereinafter described in connection with the accompanying drawings, wherein- Figure l is a side elevation of a loom-frame,

.partly in section, showing the stop-motion mechanism in transverse section; Fig. 2, a plan view of the shipper mechanism; Fig. 3, an elevation of the loom-frame and stop-motion similar to that of Fig. 1, with a warpthread broken; and Fig. 4 is a front View of a portion of the stop-motion frame.

Like letters of reference indicate like parts throughout.

Our device is illustrated herein as embodied in a common form of loom, supported at either end by the loom-frame A or lugs B, projecting from the frame. Its position may beat any convenient point in path of the warp intermediate the harness and the-whip-roll a.

The carrier portion Got my device consists of two warp-rests b and one or more guidebars 0, upon which are mounted a series of flat oblong wires d d. These wires are each longitudinally slotted, d, to admit of engagement with the guide-bars. Through the upper portion of these slots also pass the warpthreads,which normally hold the wires in suspension. To the main shaft D of the loom is fixed a cam e, which as the shaft rotates contacts with and vibrates a vertical spring-rod f, which carries upon its upper end a fiat strip g, whose ends contact with the inner surfaces of the carrier sides It and are further guided by inwardly directed flanges i, projecting from the bottom of the same. Loosely mounted in the sides h of the carrier is a rod E,

traversing the carrier below the guide-rod c and slightly above the front edge of the strip g when the latter is at its advanced point of forward travel. Thus a narrow openingj is formed by the proximity of the strip g and rod E. Integral with this rod E is a bent arm F, to which is pivoted a connecting-rod G,

whose outer end is pivoted to a latch or pawl, H, mounted upon a block I, which carries an arm J to contact with the shipper-handle K.

The block I is slidably mounted on the loomframe A. Upon the front of the lay-sword n 65 is a projection m, located to contact with the latch H when the latter is elevated.

The operation of our mechanism is as follows: Under normal conditions the parts assume the positions indicated in Fig. l. The warp-thread series hold the wires (Z d in ele vated position above the strip g, which continuously vibrates in its guides 11. The vibration is caused by the cam e, keyed to the main shaft D, contacting with the spring-rod f. If and when a warp-thread breaks, the parts assume the position shown in Figs. 3 and 4. The lower extremity of the wire (1 descends to the plane of travel of the strip 9 and is forced against the pivoted rod E, which movement is communicated through the arm F and rod G to the latch H and elevates the latter to meet the lay projection m in its regular travel. The impact of the lay-sword upon the latch H is sufficient to force the slidable block I and its fixed arm J against the shipper-lever K and free the latter from its notch, thereby shipping the belt in the usual manner.

Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is

In a stop-motion for looms, the combination with a warp-thread of a drop-wire supported by the tension of the warp-thread, a transverse strip vibrating below the dropwire, a vertical spring-rod carrying said strip, a cam fixed to the loom-shaft and contacting with the spring-rod, a pivoted bar parallel to and nearly contacting with the vibrating In testimony whereof we have affixed our strip, an arm integral with the bar, a connectsignatures in presence of two witnesses. ing-rod. pivoted to said arm, a latch also piv- NAPOLEON FORTIER. oted to the conneotm -rod and fixed to a 5 slidable block, an arm projecting from the GEORGE FORTIER movable block, a shipper-lever, and an arm Witnesses: projecting from the block and normally con- ARCHIBALD O. GAYTON,

taoting with the shipper-lever, as set forth. HORATIO E. BELLOWS.

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