I claim, 1st, The method of elevating or adjusting the plough of an excavator by the rotary motion of the forward axle, derived from the forward wheels by means of the clutches, a' a', substantially as and for the purposes set forth.
2d, In combination with the above, the plough, P, racks, r r, and pinion, a, when the latter is fixed to the axle, and operates to raise the plough by power derived from the axle, substantially as and for the purpose specified.
3d, The combination of the rocking cart, C, gear, e e'e", apron, B, and plough, P, when the parts are so constructed and arranged that by the raising or depressing of the plough, the wheels, e e', shall be thrown into or out of gear, and the apron put in motion or stopped, substantially as and for the purpose specified.
4th. The combination of the looped rods, w w w, with the arms, v v v, doors, m m' m", and lever, 1", substantially as and for the purpose specified.
5th, The lips or projections, o o, of the doors, m m' m", substantially as and for the purposes set forth.
6th. The combination of the rod, u, lever, l', spring, s, trigger, n, doors, m m' m", having the lips, o o o, rod, y', and hook, y, substantially as and for the purposes specified.
72,099.--AUGER HANDLE.--Daniel Y. Smith, Joliet, Ill.
I claim the combination of the ferrule, a, with the annular nut, e, and flat spring, c, when constructed and arranged as and for the purposes set forth.
72,100.--MACHINE FOR SHARPENING SAWS.--J.B.Smith, Milwaukee, Wis.
I claim cutter, B, gauge, E, and adjustable cone-mandrel, D, in combination, substantially as and for the purpose described.