US742120A - Clamping device for heddle bars or supports. - Google Patents

Description

No. 742.120. MTBNTBD 00T. zo, :1903. y

H. w.. JQRDAN. SLAMPINS DEVICEl PoR HEDDLS BARS 0R, SUPPORTS.

l v LiPPLIOATION FILED JULY 20. 1903.

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ufmLwtowf UNTTED vSTATES Patented october 2o, 1903.

PATENT EEICE.

HUMPHREYS NY. JORDAN, OF PELZER, SOUTH CAROLINA, ASSIGNOR TO DRAPER COMPANY, OF HOPEDALE, MASSACHUSETTS, A CORPORA- TION OF MAINE.

CLAiVlPING DEVICE FOR HEDDLE-BARS OR SUPPORTS.

SPEGIFICATIONAformngpart of Letters Patent No. 742,120,6.atecl October 20, 1903. Appleman tied July 2o. 190s. serial No. 156.227.i dit moda.)

To all whom t may concern:

Be it known thatLI-IUMPHREYS W. J oRDAN, a citizen of the United States, and a resident of Pelzer, county of Anderson, State of South Carolina, have invented an Improvement in Clamping Devices for Heddle Bars or Supports, of which the following description, in connection with the accompanying drawings, is a speciiication, like characters on the drawings representing like parts.

This invention has for its object the productionA of a novel, simple, and efficient device fer locking or clamping in place the detachable harness or heddle support in a harness-frame, particularly of the type wherein the heddles serve also as warp-stop-motioncontrolling detectors.

By the means forming the subject-matter herein the heddle-support is positively and firmly held in position, while its ready removal when desired is also made possible.

Figure l is a front elevation, centrally broken out, of a harness-frame embodying one form of my invention, the side bars also being broken out and one of the heads being shown partly in section. Fig. 2 is a side elevation of one of the heads with the locking device for the heddlelsupport in position. Fig. 3 is a similar view, but from the opposite side of the head,showing the longitudinal slot therein. Fig. 4. is a perspective View, enlarged and detached, of the follower; and Fig. 5 is an enlarged side elevation of the follower and the locking or clamping bolt.

Referring to Fig. l, the bottom cross-bar ctx of the harness-frame has secured to it upright side bars a, shown as rods, which are preferably threaded at their upper ends to enter correspondingly-threadeiiA bosses b of heads b, the latter being conveniently made as castings. Each head has a longitudinal slot b2 extended therethrough, reduced in width at its lower portion at b3 and leaving shoulders 20, (see Fig. 3,) the walls of the portion b3 being shown in said figure as slightly convergent toward the bottom of the seat. A transverse pin bx crosses the seat for a purpose to be described.. The heddle-support h, shown as a flat bar, is notched in its lower edge near each end, as at hx, Fig. 1, to ennbrace the pin bx when the ends of the support are inserted in the seats b3 to prevent any relative lateral movement of the side bars of the frame and the heddle-support when the latter is in position. The support is applied by inserting its ends in the wider ends b2 of the slots, and then the heddle-support is pushed down into the seats, the notches hx engaging the cross-pins bx, the construction so far described being substantially as shown in United States Patent No. 729,047.

In order to hold the support h down inthe seats during the shedding operation, I have provided a follower which is slidably mounted in the upper endof the slot of each head, the follower being shown separately in Figs. t and 5, and, referring thereto, the bodyfof the follower is shown as a fiat plate corresponding in length to the width of one of the heads b and adapted to enter easily the part b2 of the slot, the upper and lower edges of the body being longitudinally grooved, as at f f2, respectively. At one end the body is provided with an enlarged ear f3 in a plane at'right angles to the body, this ear resting against, preferably, the outer side of the head, as shown clearly in Figs. 1 and 2. The shoulders 20 prevent the follower from dropping down or becoming wedged in the portion b3 of the slot when the heddle-support is removed. The ear f3 is provided with a hole f x in alinement with the upper grooved edge of the body f, and a clamping or locking bolt cis ex` tended through the slotef the head h and through the hole f x in the ear of the follower, the bolt being supported in the groove f of the latter, as shown in Fig. 5. The head c of the bolt is nicked, as at c2, and between the bolt-head and the adjacent side of the head b of the frame a washer w is interposed, while a retaining-nut cx is set up on the threaded end of the bolt projecting beyond the upper edge of said support, the grooves f2 firmly engaging said upper edge, and then the nuts cx are set up, thereby firmly clamping or looking the followers to the heads. The bolt-heads are nicked, so that a screw-driver may be employed to prevent turning of the bolt, if necessary, when setting up the nuts CX. When it is desired to remove the heddle-support, it is only necessary to slacken up the nut eX, when the operative eau slide the follower upward far enough to permit the removal of the support.

The construction is simple, strong, an d provides a positive downhold and lock for the heddle-support.

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

l. In a loom harnessframe, side bars having heads each provided with a longitudinal slot, a detachable heddle-support adapted to be seated at its ends in the slotted heads, a follower on each head and slidable in the slot. thereof, to engage the edge of and hold the heddle-support in position, and a locking-bolt mounted on and to elampthe followeron the head.

2. In a loom harness-frame, side bars hav ing heads each provided with a longitudinal slotwidened atits upperend,a detachable heddle-support adapted to he seated at its ends in the lower end of each slot, a follower movable in the widened end of the slot and adapted to engage the upper edge of and position the heddle-support when seated, and a clampingbolt carried by eaoh follower and adapted to cooperate with the head and lock the follower from movement.

3. In a loom harness-frame, side bars having heads each provided with a longitudinal slot, a detachable heddle-support adapted to be seated at its ends in the bottoms of the slots, means to prevent lateral movement of The heads when said support is in place, a follower slidable in each slot and having an external, transverse ear, and a clamping-bolt carried by the ear and extended through the slot to engage the opposite side of the head, to lock the follower from movement when in engagement with the upper edge of the heddle-support.

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

IIUMPIIREYS W. JORDAN.

Witnesses:

J. M. SCOTT, S. J. ELLIS.

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