I claim 1st, The door-spring, constructed as described, consisting of the hollow socket, F, placed over the square shank of the door arm: and provided with the right angular arm, J, sleeve, E, to which the inner end of the coiled spring, D, is securely fastened, fitting at or alternating upon the socket, F, and provided with the right angular arm, I, resting against the post, H, in the case, A, the free end, G, of the spring resting against the opposite side of said post, all operating as described for the purpose specified. 2d, The spring, D, operated by means of the right angular arm, J, of the hollow shank, F, engaging with the outer end, G, of the spring when the door moves in one direction, and when moving in the opposite direction engaging with the arm, I, of the sleeve, E, to which the inner end of the spring is secured substantially as described for the purpose specified. 3d, The combination and arrangement within the case, A, of the spring, D, hollow socket, F, having arm, J, sleeve, E, having arm, I, post, H, and hook, G, operating as described for the purpose specified. 72,090.--POLE COUPLING FOR VEHICLES.--Anson Searls, N.Y. city. I claim the circular joints, B B, and the arrangement of the ratchet teeth, K K, springs, D D, and bolts, E E, in combination with the arm, A, substantially as described and for the purposes set forth. 72,091.--CARRIAGE.--Anson Searls, San Francisco, Cal. I claim, 1st, The axle composed of the steel bars, d and g, attached, as herein described. 2d, The clip b, passing around under the axle, with its ends fastened to the plate a, on the rocker, both before and behind the axle, substantially as described. 72,092.--STEAM ENGINE.--George Shale, Taunton, Mass. I claim, 1st, The steam-chest, B, constructed with the chambers, gh, and partition, p, in combination with the steam and exhaust pipes, and cylinder, a, substantially as described. 2d, The valve-rods, i i', provided with the recesses or chambers, k k, in combination with the partition, p, constructed as described, and operated by the lever, l, as and for the purpose set forth. 72,093.--FERRULE.--Archibald Shaw, Philadelphia, Pa. I claim a ferrule, provided internally, or at its inner side, with oblique spurs or projections, substantially as and for the purpose specified. 72,094.--FENCE POST.--Warren H. Shay, Sylvania, Ohio. I claim the plank standards, B B, joined by the pins, a a, the braces, A A, and the cross-piece, C, combined and secured by the dove-tail tenons, o b, the gib and key, c d, and the keys, g g, substantially as and for the purpose herein shown and described. 72,095.--TABULAR HEATER.--C.J.Shepard, Brooklyn, N.Y. I claim, 1st, The combination of the grate, E, ash-pit, D, and combustion-chamber, C, with the slide-valve, I, for the purposes indicated. 2d, The slide-valve at the junction of the upper and under front flue, for the purposes described.