6th, The combination of the adjustable friction wheel, F, and stationary friction wheel, E, with the solid hand side and mold board frame, B, substantially as herein shown and described and for the purpose set forth.
7th, The combination of the vertical flanged friction roller, G, with the land side of the plow, substantially as herein shown and described and for the purpose set forth.
71,967.--PIANO STOOL.--Josua Briggs, Peterboro, N.H.
I claim, in combination with the pillar and feet, the socket block, m, having recesses formed with side lips or flanges, o, to fit into groves, q, in the feet and bottom seats, p, between which and the shoulder on the pillar the feet are securely continued, substantially as described.
Also the center piece, w', fitting upon and covering the screw bolt and nut which confine the pillar to the base, substantially as shown and described.
Also constructing the socket block, m, with a center socket, t, into which the tail piece of the pillar fits and is confined, substantially as described.
Also making the screw spindle removable from the seat, substantially as set forth.
71,968.--PLOW.--T.E.C. Brinly, Louisville, Ky.
I claim, 1st, The mode of attaching the beam, D, to the plows by a socket, C, connected with the land side by braces, B B, substantially as set forth.
2d, The combination of the socket, C, constructed with diagonal flanges, C', the handles, and the beam, substantially as set forth.