REVOLVING MOLD-BOARDS. 



473 



205,498. N. PALMER, New York, N. 

 Y. Rotary Mold-Board Plows. July 2, 

 1878. Filed Dec. 20, 1877. 



Claim. 1. In a gang of disk mold-board 

 plows, the extended landside D of the rear 

 plow, in combination with the short landside 

 D' of the advance plow, and connecting spring- 

 brace H, as and for the purpose specified. 



2. The braces F F', in combination with the 

 plow-beam and disk mold-board, fitting close- 

 ly to the concave surface, thus forming both a 

 support and a cleaner, as shown and described. 



3. The supporting spring-brace, in combin- 

 ation with the advance plow, substantially as 

 and for the purpose described. 



206,880. FELIX JOHNSON, Paris, Tex. 



Plows. Aug. 13, 1878. Filed July 6, 1878 

 Claim. 1. The combination, in a plow, of 

 a revolving mold-board, /, provided with cogs 

 g, the vertical shaft h, having pinion i, the 

 gear wheel 0, toothed cylinder /, the cutter 

 wheel /, substantially as described. 



2. The combination of the roller /, vertical 

 shaft h, having pinion i, and the revolving 

 mold-board/, having the teeth g upon its in- 

 ner side, substantially as set forth. 



3. The combination of vertically-adjustable 

 cutter t, toothed cylinder p, long pinion o, 

 shaft r, and frame s, substantially as shown. 



JEFFERSON, 



Nov. 26, 1878. 



210,201. THOMAS E. 



Boston, Mass, Plows. 



Filed Oct. 7, 1878. 



Claim. 1. A plow provided with a mold- 

 board consisting of one or more endless travel- 

 ing belts, chains, or bands,//'/', and two or 

 more rotary rollers, e / g g', as and for the pur- 

 pose set forth. 



2. In a plow, the combination of the endless 

 apron//'/', supporting rollers e / g **, stay 

 or stays it, and adjustable brace or suj 

 as and for the purpose set forth and de 1 



port k, 

 cribed. 



211,638. NELSON PALMER, New 



York, N. Y. Rotary Mold-Board Plows. 

 Jan. 28, 1879. Filed Dec. 13, 1878. 



Claim. 1. In a machine or implement for 

 turning the soil, the concave disk or mold- 

 board E, provided with the convex center, G, 

 upon its front or concave face, substantially as 

 and for the purpose herein shown and de- 

 sribed. 



2. The combination, with a concave disk or 

 mold-board, F, of a removable convex center, 

 G, substantially as and for the purpose herein 

 shown and described. 



3. The combination, with the revolving disk 

 or mold-board and the plow share and land- 

 side provided with the bottom cutting flanges 

 m m', of the colter D, provided with the rear- 

 wardly-projecting angular flange d, and bot- 

 tom cutting-flanges n n', forming forward con- 

 tinuations of the cutting-flanges m m', substan- 

 tially as and for the purpose herein shown and 

 described. 



212,205. WILLIAM A. ESTES, China, 

 Me. assignor to one-half his right to Jesse 

 Boynton, Providence, R. I. and Charles 

 Gilford, Gardiner, Me. Plows. Feb. ri, 



1879. Filed Nov. 11, 1878. 



Claim. In combination with the rolls A A, 

 placed in the share or land-side of the plow, 

 the friction rollers or bearings a a, supporting 

 the former upon their periphery and permit- 

 ting them to revolve, substantially as described. 



216,271. WILLIAM H. HARRING- 

 TON, and ALONZO B. MERRILL, 



Cambridge, Mass. Plows. June 10, 1879. 



Filed June 13, 1878. 



Claim. A plow having two or more rows of 

 openings in the mold-board or land side, 

 through which project-rollers, each one of 

 which is on a shaft by itself, and which are so 

 set that those of one row shall alternate with 

 those of an adjacent row, the openings being 

 such that each roller shall be surrounded at 

 sides and face by a portion of the fixed surface 

 of a mold-board or landside, substantially as 

 hereinbefore described. 



222,075. CHARLES A. PRATT, Clin- 

 ton, Mass. Plows. Nov. 25, 1879. Filed 

 Aug. 4, 1879. 



Claim.. 1. The combination of the roller B 

 lug C, cut away, as shown at c, and mold-board 

 D, having the clearing-edge h, operating against 

 the end of the roller, substantally as described. 

 2. The combination of the mold-board D, 

 roller B, and lug C, constructed substantially 

 as described, so that the space between the lug 

 and the end of the roller is greater than that 

 between the clearing-edge of the mold-board 

 and the roller, substantially as specified. 



228,138. ROBERT E. SWART Z, 



Rock Island, 111. Plow-Shares. May 28, 



1880. Filed Apr. 5, 1880. 



Claim. 1. In a plow, a conical concave 

 roller interposed between the share and mold- 

 board and made adjustable at one or both ends, 

 upward and downward as well as forward and 

 backward, substantially for the purposes herein 

 set forth. 



2. The combination, in a plow, of the sepa- 

 rated share C and mold-board D, the connect- 

 ing-braces a b, roller F, and the adjustable box I, 

 substantially as and for the purposes herein set 

 forth. 



230,623. WILLIAM A. ESTES, Fair- 

 field, Me. Plows. Aug. 3, 1880. Filed 

 May 19, 1880. 



Claim. 1. The combination, with the rol- 

 lers C, each formed with an upper convex end 

 having a journal, J ', and a lower concave end 

 having a journal, c, of the plates D D, having 

 respectively the concave depressions and con- 

 vex elevations with sockets conforming to the 

 convex and concave ends of the rollers, sub- 

 stantially as described. 



2. The combination of the bar E, having 

 cross-slots h h, the carriage /. the divided spin- 



