72,069.--CAR BRAKE.--James Mitchell, La Porte, Ind.
I claim, 1st, The combination of the lever, A, rod, B, lever, C, pawls, D and D1, spring, D2, and ratchet wheel, E, substantially as and for the purpose set forth.
2d, The combination of the shaft, E3, collar, R, arm, R', collar, S, and shaft, I, substantially as set forth.
3d, The combination of the shaft, I, spiral collar, U, lever, T, and arm, R, for disengaging the brakes, substantially as set forth.
4th, The combination of the ratchet bar, P, with the inclined face, P1, and catch lever, G, substantially as and for the purpose set forth.
5th, The combination of the ratchet bar, P, with its shoulder, P2, and the lever, T, substantially as and for the purpose set forth.
72,070.--AUTOMATIC TABLE FOR TEACHING.--Hannah Munson, Rockford, Ill., administratrix of the estate of Wm. C. Munson, deceased.
I claim the combination of the frame, A, with its pivoted pointers, C C, and hooks, e e, and movable bars, B B, with pointers and charts, D, as constructed, the whole being arranged and used substantially as and for the purpose specified.
72,071.--HYDRANT.--John G. Murdock, Cincinnati, Ohio.
I claim, 1st, The hollow plunger, E, having the interior valve, I, and sleeve packing, F, which respectively close and encircle the supply and waste pipe, B, as and for the purpose set forth.