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arrow-head coupling-bars have been used on ears before my invention, and I do not broadly claim them. I am aware of the rejected application of G. W. Smith for a car-coupling dated April 30, 1856, and therefore do not wish to be under- stood as claiming anything shown in his said application; but Having described myinvention, what I claim as new, and desire to secure by Letters Pat- ent, is-
The top A' of the draw-head, fitted loosely to rise at any point on vertical guides N N, and under springs t t on said guides, in com- bination with the pivoted spring coupling-jaws B B below it, all substantially in the manner and for the purpose described. THOMAS RIIVERS JACKSON. Witnesses : H. L. RAY, J. D. BERRY.