ROTARY. 



527 



E between the blades A, the pivots F, attach- 

 ed to the arms of the blades D E, and the end 

 plates K, each provided with a groove M, in 

 the shape of a semicircle united at the ends by 

 a chord, substantially as herein shown and de- 

 scribed, and for the purpose set forth. 



6. In a revolving plow, the combination, 

 with the cylinder B and the radial blades A, 

 of the scraper blades D E, the pivots F, at- 

 tached to the ends of the arms of the same, the 

 circular cutters J, provided with radial slots 

 H, and the end plates K, provided with grooves 

 M in the inner surfaces, substantially as herein 

 shown and described, and for the purpose set 

 forth. 



7. In a revolving plow, the combination, 

 with the cylinder B and the radial blades A, of 

 the scraper-plates D E between the blades A, 

 the springs for pressing the outer edges of the 

 blades D E against the blades A, and devices 

 for moving the blades D E to and from the 

 outer edges of the blades A, substantially as 

 herein shown and described, and for the pur- 

 pose set forth. 



269,339. LUCIUS STEBBINS, Hart- 

 ford, Conn. Cultivating Machines. Dec. 

 19, 1882. Filed Sep. 21, 1882. 

 Claim. 1. In a cultivating-machine, the 

 combination of the rocking frame C, the bar 

 G, the adjustable link H, and the cam J on the 

 axle of the wheels B, substantially as described. 

 2. In a cultivating-machine, the combination 

 of the two rocking frames C and D, with the 



wheels B and intermediate mechanism, where- 

 by said frames are operated alternately, sub- 

 stantially as described. 



3. In a cultivating-machine. the combination 

 of the hinged frame T, the roller S, having 

 blades S', the cutters U, the cord W, and the 

 lever V, substantially as described. 



4. The pivoted frame O, provided with teeth 

 P and handle R, in combination with the frame 

 A, provided with the hook Q, and adapted to 

 turn upward, substantially as described. 



269,792. COLUMBUS JOHNSTON, 

 Clarksville, assignor of one-half to S. T. 

 Johnston, St. Louis, Mo. Rotary Plows 

 and Pulverizers. Dec. 26, 1882. Filed 

 Apr. 21, 1882. 



Claim. 1.. The combination of shaft K, 

 wheel U, blades V, bar N, hanger M, having 

 slot m, upright guide sides O O, shaft K, groov- 

 ed pulleys Q Q, chains P P, lever S, and stud- 

 bar T t, as set forth. 



2. In a rotary plow, the blades curved back- 

 wardly toward the wheel to adapt the bady of 

 each blade to enter the ground before the 

 point, as and for the purpose set forth. 



3. A rotaty cutter and scatterer consisting 

 of a wheel provided with radially-curved blades 

 substantially as shown and described, twisted 

 slightly rearwardly at their upper sides and 

 ends, the bodies of the blades adapted to cut 

 and slice the surface, and the ends to follow 

 and throw back and scatter the sliced surface, 

 as set forth. 



