US673481A - Thill-coupling. - Google Patents

Description

No. 673,48l. Patented May 7, I901. W. E. SHERWOOD.

THILL'LBOUPLING.

(Application filed Nov. 24, 1900.)

(No Model.)

NITED STATES WILLIAM E. SHERWOOD, OF ONEIDA, NEW YORK, ASSIGNOR OF ONE-HALF TO WILLIAM E. DOUGLAS, OF SAME PLACE.

THlLL-COUPLING.

SPECIFICATION forming part of Letters Patent No. 673,481, dated May '7, 1901.

' Application filed November 24, 1900. Serial No. 37,574. (110 model.)

To Ml whom it may concern: passes the bolt or rivet B, enveloped between Be it known thatI, WILLIAM E. SHERWOOD, the cars by a rubber tube or washer to preof Oneida, in the county of Madison, in the vent rattling. In Fig. ithe ears are integral State of New York, have invented new and with the clip or tie plate and not with the clip, 5 useful Improvements in Tliill-Couplings, of as in Fig. 1. The form of draft-iron is quite which the following, taken in connection with immaterial, as any suitable and well-known the accompanying drawings, is a full, clear, draft-iron may be used with my invention. and exact description. 0 is the metallic strap adapted to be se- My invention relates to improvements in cured to the lower side and end portion of a ro thill-couplings; and the object is to providea pole or thill D and is preferably provided simple and efficient coupling that may be with upwardly-projectinglipsddon opposite easily and quickly applied without removing sides to hold the thill in place. The end of a bolt and that will .be suitable for connecthe strap O is provided with a fixed and intetion with almost anydraft-iron in use, includgral semicircular jaw e on its end to bear upon [5 ing those used on modern small-wheeled veand partly envelop the rubber tube 0. The hicles. lower jaw f has also a semicircular portion To this end my invention consists in the and is movable toward and from the upper combination of a strap adapted to be secured jaw and is provided with ears lying on oppoto the shaft andprovided with a rigid jaw, a sit-e sides and in recesses in the strap 0 just 2o movable jaw below the rigid jaw turning on a forward of the fixed jaw, through which ears pivot passing transversely through the strap, and part of strap between them passes a rivet a lever hinged to a lug on the lower side of or pivotf, on which the movable jaw swings. the said strap, and a spring connecting the The two jaws form the draft-eye and when movable jaw with a pivot passing transversely closed completely and closely envelop the rub- 25 through the said leverintermediateits length; ber tube on the bolt.

and my invention consists in certain other Projecting downwardly from the lower side combinations of parts hereinafter described, of the strap or thill-iron a considerable disand specifically set forth in the claim. tance forward of the jaws is a lug 9. To this In the drawings hereto annexed and formlug is pivoted a bifurcated lever E, which is 3o ing a part of this specification, Figure 1 is a preferably provided on its free end with a sectional side elevation of my improved thillloop h for a safety-strap. The pivot 2' passes coupling, showing the draft-eye or jaws transversely through the bifurcated end of closed. Fig. 2 is a side elevation of the same, the lever and the lug, so that the lever swings showing the coupling removed from the drafttoward and from the jaws. The said lever is 5 iron of the vehicle and with the draft-eye or slightly curved and is connected with the jaws open. Fig. 3 is a side elevation of the movable jawfby means of aspring F, having spring connections and shows how the spring a substantially flat central portion and eyes is wrapped around the pivot in the movable at opposite ends for connection with the transjaw. Fig. 4 is a lower side plan view of the verse pivots k and l, passing through the ears 4.0 device when the jaws are closed, and shows n on the movable jaw and the lever, respecthe jaws connected to a draw-iron integral tively. The end of the spring F between the with the clip-plate instead of the clip, and ears n of -the movable jaw f is also provided serves to illustrate that the coupling is adaptwith a helical spiral s for the purpose of aled to be connected to various forms of draftlowing greater flexibility and toinsnre against 5 5 irons and is not limited to any particular the breaking of the eyes when the lever is form. operated. It also allows the central portion Referring specifically to the drawings, A i of the spring to be made straight, so as to lie a portion of the axle, provided with the usual close to the lower side of the strap-O and be clip A and clip-plate A" below the axle. The tween the strap and the lever when the jaws I00 50 clip shown in Fig. 1 has the common forare closed.

wardly-extending ears a a, through which Fig. 1 shows a loop h on the forward end and integral with the clip-plate A and a safety-strap connecting the loop h with the loop h on the end of the lever E.

' When the jaws are closed or when the parts are in the position shown in Fig. 1, the movable jaw is securely held up and locked in that position and cannot be moved or opened until the lever E is thrown downward and forward, and considerable force must be applied to the lever to swing the same downward, owing to the arrangement of the connecting parts.

Having described my invention, what I vided with a rigid jaw, a movable jaw below the rigid jaw tiirning on a pivot passing through the said strap, a lever hinged to the strap forward of the jaws, and a spring having eyes at opposite ends connecting the movable jaw with the lever intermediate its length, said spring having a substantially straight central portion and a helical end portion at the eye connected to the movable jaw, as and for the purpose described.

In testimony whereof I have hereunto signed my name.

WILLIAM E. SHERWOOD. n s.]

l/Vitnesses:

A. E. HOPKINS, W. E. DOUGLASS.

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