506 



ROTARY. 



64,580. J. DAVID SCHULTZ, Robe- 



sonia, Pa., and REUBEN ADAMS, same 



place, assignors to themselves and John Mc- 



Night. Cultivators. May 7, 1867. 



Claim. 1. The arrangement of the frame 



A with its shafts G, arms I I, bars b b, and 



springs a a, with rakes d, when operated in 



the manner and for the purpose set forth. 



2. The elevation or depression of the frame 

 with its cultivators by means of the bar g and 

 levers y attached to the thill c, in the manner 

 substantially as and for the purposes specified. 



66,802. M. A. and I. M. CRAVATH, 



Bloomington, 111. Revolving Plows. July 



16, 1867. 



Claim. 1. The plow A, combined with the 

 axle a, constructed as herein mentioned, as a 

 new article of manufacture. 



2. The arms efg h, of different lengths and 

 shapes, as shown, for the purpose of combin- 

 ing and operating two or more plows. 



3. The combination of the slides F F, the 

 bent levers G G, the swivels H H, the curved 

 straps I I, or any equivalent device to operate 

 the wheels E E, in the manner set forth, for 

 the purpose herein mentioned. 



9,603. MYRTILLUS A. CRAVATH, 

 Bloomington, 111., and JAY S. CORBIN, 



Gouverneur, N. Y.; said Corbin assignee of 

 said M. A. Cravath and of Elmira E. Cra- 

 vath, Administratrix of Isaac M. Cravath, 

 deceased. Revolving Plows. Original No. 

 66,802. July 16, 1867. Reissued Mar. 15, 

 1881. Filed Nov. 23, 1880. 

 Claim. 1. In a rotating disk-plow, a ro- 

 tating concavo-convex plow constructed of a 

 single plate of metal, arranged, substantially 

 as described, to have its front edge cut the 

 soil, and adapted to turn the soil to form a 

 furrow. 



2. In a plow a revolving concavo-convex 

 cutting-disk mounted upon and attached di- 

 rectly to the tongue or draft-frame, substan- 

 tially as described. 



3. The combination, with a draft-frame, of 

 a revolving concavo - convex disk arranged, 

 substantally as described, to cut the soil to 

 form the furrow, and mounted on said frame 

 obliquely to the line of draft. 



4. The combination of a plow-frame, re- 

 volving disk plows below said frame, and a 

 driver's seat adapted to have the driver's 

 weight enforce a uniform cutting action of the 

 disk. 



5. The combination of a draft frame and a 

 gang of two or more concavo-convex disk- 

 plows, arranged with the concave sides toward 

 the front and at an angle with the line of draft. 



6. The combination of a draft - tongue, ro- 

 tating concavo-convex cutting - disks, rotating 

 axles for said disks, adapted to hold the con- 

 cave sides of the disk in the direction of the 

 draft, and an intermediate frame which con- 

 nects said axle to the tongue. 



7. In a revolving plow, the combination of 



a concavo-convex cutting-disk and a rotating 

 axle which has one end mounted in the rear of 

 the other to hold the concave side of the disks 

 in the direction of the shaft. 



8. In a revolving plow, the combination, 

 with the connecting frame, of the rotating con- 

 cavo-convex cutting-disks, adapted to support 

 said frame above the ground and to have the 

 concave sides at an angle to the line of draft. 



9. In a revolving plow, the combination, 

 with the supporting-frame, of a gang of rotat- 

 ing concavo-convex cutting-disks arranged in 

 parallel planes, and adapted to have all the 

 concave sides throw the soil in one direction. 



10. The combination, with the rotating plows 

 A and the axles a, of the arms e f g h, of dif- 

 ferent lengths, and each arranged to support 

 the ends of two of said axles. 



11. The combination of the slides F F, the 

 bent levers G G, the swivels H H, and the 

 curved straps I I to operate the wheels E E, as 

 set forth. 



68,410. E. T. BUSSELL, Indianapolis, 

 Ind., assignor to himself W. H. Candeeand 

 Jacob Eldredge. Rotary Plows.* Sep. 3, 

 1867. 



Claim. 1. Segment driving wheels S, com- 

 passing less than half a circle, when used in 

 combination with' pinions /, for the purpose of 

 rotating each auger upon its own axis at the 

 proper point for most effectually breaking and 

 pulverizing the earth, substantially as shown. 



2. Supplementary yielding cogs b b, when 

 the same are attached to flat springs, as shown, 

 and these in connection with the segments S, 

 as and for the purpose stated. 



3. Uirt yield /, and its adjunct e, when these 

 are made and used substantially as shown and 

 for the purpose specified, 



4. Castor wheels p 2 and roller m, or their 

 equivalents, when the same are used for gradu- 

 ating the depth of this rotary plow, and for 

 transporting the same from place to place. 



68,689. HENRY BERKSTRESSER, 



Quaker Bottom, Ohio. Rotary Plows. Sep. 



10, 1867. 



Claim. 1. The plows e e, flitted upon the 

 periphery of the wheel E, constructed and ar- 

 ranged as shown and described, as and for the 

 purpose specified. 



2. The combination of the wheel E with 

 with the tilting frame A, the draft pole F, and 

 the lever d, arranged and operating substan- 

 tially as and for the purposes set forth. 



71,589. JAY DENSMORE, Holly, N. 

 Y., assignor to L. A. Densmore and Hiram 

 Curtis. Rotating Tooth Cultivators. Dec. 



3, 1867. 



Claim. 1. A rotating cultivator tooth, con- 

 sisting of any number of teeth, attached to a 

 hub or common center, around which they are 

 free to revolve, and set at an angle to the draft, 

 substantially as described. 



2. The combination and arrangement with 

 a rotating cultivator tooth of the standard S, 



