CULTIVATOR-DISKS. 



«, and wheels M, substantially as herein shown and de- 

 scribed, and for the purpose set forth. 



No. 235,029.— J. UILL SHRIGLEY, lowA CiTY, lowA. 

 — Combhu-i/ Seed-Drills and Rolling Cutters. — November 

 30, 1889. Filed September 22, 1880. 



Claim. — I. — The combined seed drill and rolling cutter 

 comprising the frame .V, hopper B, shaft C, drill tubes or 

 teeth (5, and the iiJIiiij 1:11. ' 1 1, the points of the drill- 

 tubes being extcn : ! t ween and close to the sides 

 of the cutters, an ' ; ;> openings located above the 

 points and on tin [.. -11 1 I -iii~ cjf die drill teetli substan- 

 tially as described. 



2. — The curved drill tubes or teetli having flattened 

 points, posterior grain orifices, and shields, subst.intially as 

 set forth. 



No. 238,654.— JAY S. CORBIN, Gouverneur, N. Y. 

 —Disk-Harrows.— March 8, l88l. Filed June 12, 1883. 



Claim. — I. — The combination of tlie following elements, 

 viz : two or more gangs of disk.s, each having a separate 

 axle, a draft frame and ti'ansver^e frame, joined rigidly to- 

 gether and supported entirely upon the cutting disks, two or 

 more swinging gang frames situated entirely in tlie rear of 

 the transverse frame and connecte'l I'l 11 - m l< p n.lL-ndy of 

 each other, and bearings for the ^:i I - '1 incly sit- 



uated between the ends of the a\l;-. ! : I ' I upon the 



swinging gang-frames, whereby sail i^ ,1:1:1-- iii-j and fall 

 with the axles relatively to the main Uansverse frame, sub- 

 stantially as set forth. 



2. — In rotating disk harrow, the combination, substantially 

 as hereinbefore set foitli, of the followini,' fl^^ment-, vi': 

 a transverse connecting frame, two or more :i ■ ! , ! : : 

 rying a series of cutting disks, automatical!) : 1 



for supporting the cutting disks, and tlie l>:i- I.. iiai:> 

 attached to the gang-frames and hinged at tiieir Iront ends 

 directly to the transverse frame. 



3. — -The combination of the following elements, viz: a 

 draft-tongue, a transverse fram; ri^^inly connect.-d to said 

 tongue, cutting disks arranged to support the entire weight 

 of the transverse connecting frame, gang frames pivoted in- 

 dependently of each other directly to the transverse frame 

 on horizontal lines transverse to the lines of draft, whereby 

 both ends of each gang-axle automatically rise together and 

 fall together, and said axles swing independently of each 

 other, substantially as set forth. 



4 — The combination of the following elements, viz : rota- 

 ting cutting-disks, a transverse frame supported entirely upon 

 the cutting di-.ks, gang frames hinged to the transverse frame 

 on horizontal Hues transverse to the lines of draft and arranged 

 to rise and fall automatically, disk axles supported on the 

 gang frames and an-anged to have both ends of each axle 

 rise together and fall together, and stops which limit the auto- 

 matic movements of the gang frames, substantially as set 

 forth. 



5- — In a rotating disk harrow, the combination, substan- 

 tially as hereinbafore set forth, of the following elements, 

 viz : a transverse connecting frame, two or more gang frames 

 hinged directly to the transverse frame and arranged to freely 

 swing automatically thereon, rotating cutting disks carried by 

 said gang frarmes and arranged to support the entire weight 

 of the frame, and an intermediate equalizing mechanism 

 secured rigidly to the transverse frame and arranged to rest 

 loosely upon the gang frames, whereby the weight of the 

 frames is supported upon the cutting disks, and the gang 

 frames are allowed to automatically conform to the surface 

 of the ground. 



6. — -In a rotating disk harrow, the combination, with a 

 transvei-se frame and two or more disk gangs arranged to 

 automatically oscillate vertically, of the gang frames E E', 

 which at their front ends are hingdd directly to the trans- 

 verse frame, and which, while oscillating, retain the gang 

 axles in substantially horizontal lines, substantially' as set 

 forth. ■ 



7 — In a rotating disk han-ow, the combination, with a 

 vertically oscillating gang of disks mounted On an axle, of 

 an automatic adjusting mechanism, whereby the inclination 

 of the gang axle to the line of draft is automatically altered 

 by the vertical movement of the gangs, substantially as and 

 for the purposes set forth. 



8.— The combination of the followins elements, viz : a 



main frame, a vertically swinging gang frame, hinged to the 

 main frame, a sliding axle supported on the hinged gang 

 frame, a sliding bearing and a pivoted bearing for the axle, 

 both supported on said gang frame, and an adjusting me- 

 chanism, by which the position of said axle is adjusted both 

 automatically and at the will of the operator, substantially 

 as set fort;h. 



9. — In : li if itin^ lUk harrow, the combinarion, with a 

 gangfr.n; 1 : i a\le, of a sliding bearing and an os- 

 cillatin- : ,11, : 1 nl axle supported on said gang frame, 

 substamiaib. ,1- . t t: mli. 



10. — In a rotating disk harrow, the combination of the 

 following elements, viz : a main frame, a gang frame pivoted 

 to the main frame, a rocking mechanism hinged to the main 

 frame, a gang axle arranged to rotate in a sliding bearing 

 and in a pivoted bearing, and a link connected to the gang 

 svxle and attached eccentrically to the rocking mechanism. 



II. — The combination, witli the main frame and two or 

 more disk gangs hinged thereto and mounted on sliding axles 

 of the rocking bar I, connected to all of the disk axles, sub- 

 stantially as set forth. 



12. — In a rotating disk harrow, the combination of the 

 foUowiUj; elements, vi.' : a main frame, a gang frame pivoted 

 to the main lianie, a disk scraper rigidly attached to the 

 gang frame, an. I a roLating cutting disk arranged to oscillate 

 horizontally on the gang frame independently of the disk 

 scraper, and to be moved toward the scraper when the disks 

 are to be cleaned, substantially as set forth. 



13. — The combination of the following elements, vi? : a 

 main fram--, a L^an ; of two or more cutting disks arr-ingeJ 

 1 '!' :i ■ 1: ill\ .11 the main frame, a gang frame hav- 



: _ I ' :■ I. IV, -If i.ited between the adjacjnt disk,; and 

 .■,l':i:liii^ 0,1. .i\- I ::Mn the central line of th':^ disks t:> 

 their re.u- ei'.,'e, i ' : 'I secured to the r.'.-ir end; of 



said arms E E'. X, rigidly attached to the 



crosi-bar M, sul Dt'i. 



14. — In ai ■ \. the combination, with a 



rotating cutting disk and nieclianism for adjusting the angle 

 of said disk relative to the line of draft, of a scraper adapted 

 to be brought into play by the angular adjustment of said 

 disk. 



15. — In a rotating disk harrow, the combination, with 

 horizontally adjusting disk gangs and scrapers arranged to 

 clean the disks, of mechanism operated by a single lever, 

 whereby th^ inclination of the gangs is altered, and whereby 

 the scrapers are brought into operation, substantially" as set 

 forth. 



16. — ^Tlie combination, with a gang frame of a rotating 

 cutting disk mounted on said frame, a disk axle arranged to 

 slide on said frame, and a bearing for said axle pivoted to 

 the frame in front of the axle, whereby the axle is caused to 

 move endwise when it is oscillated about the pivot of said 

 bearini;. -ii: ■ 1 na 1 lil > a- set forth. 



No. j;-:: i\'. -s, CORBIN, Gouverneur, N. Y. 

 — /)/s.; ;. /; 8, 1881. Filed June 12, 1880. 



Claim. — I. — la . I liis's harrow, the draft tongue, two op- 

 posed disk gangs, and the braces C C, secured directly to the 

 disk gangs and to the tongue, in combination with the trans- 

 verse connecting frame, situated in front of the gang axles, 

 and arranged to rest vertically upon the braces C C, in front 

 of said axles, and connected to the tongue above the disks, 

 substantially as set forth. 



2. — In a disk harrow, the combination, with the tongue 

 and two opposing disk gangs, arranged to vibrate veitically 

 independent of each other, of a transverse frame formed of 

 a single connecting cutting bar shaped to have the down- 

 wardly projecting arms H' H* respectively connected to 

 the outer bearings of the gangs and the intermediate part, 

 H^, formed in one piece with arms H' H-, substantially as 

 set forth. 



3. — In a disk harrow, the combination, with the draft- 

 tongue and two opposed disk gangs arranged to vibrate inde- 

 pendently of each other, of a transverse connecting bar, 

 which is flexibly connected directly to the gangs by horizon- 

 tal pivots and is rigidly connected to the tongue, substan- 

 tially as set forth. 



4. — The combination with the disk gangs, of a transverse 

 connecting bar or fram? hinged to the disk frames below the 



