COLTERS. 



95 



in opposite directions, so as to form diverg- 

 ing legs, is locked to the hub by the legs upon 

 one side engaging the recesses in the collar, 

 while the opposite legs abut against the lugs. 



Claim, i. In a rotary colter, the combi- 

 nation, with a colter-blade, of the self locking 

 hub with projection or projections at each side 

 of the blade cast in one piece with the hub, 

 substantially as and for the purpose set forth. 



2. The combination, with the collar C, hav- 

 ing the recesses d on its inner face, of the lugs 

 or notched collar E, cast in one piece with the 

 hub and collar C, substantially as and for the 

 purpose set forth. 



3. In a rotary colter, the combination with 

 the collar on the hub at either side of the blade 

 with recesses in or projections on its face, of 

 the blade with corresponding projections or 

 recesses in its face, substantially as and for the 

 purpose set forth. 



231,074. KINYON W. MANWAR- 

 ING, De Witt, Iowa. Colter Attachments. 

 Aug. 10, 1880. Filed Mar. 6. 1880. 



Claim. The combination, with the clamp- 

 ing frame, a colter shaft socket provided with 

 continuous tubular bearings at its upper and 

 lower ends, and a fastening bolt which is in- 

 serted through an' opening in the socket, the 

 head of the bolt being seated in a recess formed 

 on the inner surface of said socket, of a clamp- 

 ing plate inserted between the colter shaft and 

 socket and clamping set screws inserted in the 

 socket and adapted to secure the colter shaft 

 in any desired vertical adjustment, substantially 

 as set forth. 



231,441. LATHON MILLER and HI- 

 RAM LIG-HTHALL, Chelsea, Mich. 

 Plows, Aug. 24, 1880. Filed May 19, 

 1880. 



A curved plate forming the colter edge of 

 the mold board and extending to the upper 

 part of the standard and forming a corrugated 

 adjusting seat for the jointer arm. 



Claim. 1. The shin piece A, having an 

 extension arm serrated on one side, and the 

 countersunk socket a, in combination with the 

 jointer arm B, having corresponding serrations 

 and a projecting boss, b, to correspond with 

 the socket a in the arm of shin piece A, sub- 

 stantially as and for the purpose described. 



2. The combination of the jointer arm B, 

 with its serrations, and boss b, with the shin- 

 piece A, having its serrated arm and sunken 

 socket a, and the standard of a plow, substan- 

 tially as and for the purpose described. 



232,370. ALBERT C. SCHRAM, Flint, 

 Mich. Combined Colters and Jointers. 

 Sep. 21, 1880. Filed June 25, 1880. 



Claim. The combination with the curved 

 jointer C, provided with the flange d, having 

 a bolt hole and pin e, all cast in one piece, of 

 the annular colter A B, provided with the in- 

 clined slot a having chamfered edges, and 



headed bolt b, the whole constructed, arranged, 

 and operated in the manner and for the pur- 

 pose set forth. 



233,793. GARDNER C. NOTT, West, 

 Point, Wis. Colters. Oct. 26, 1880. 

 Filed Jan. 23, 1880. 



Claim. In a plow colter, the combination 

 of the supporting bar A, having the spur d, on 

 its bent lower end and terminating in the flange 

 a', provided with an oblique face and rivet 

 holes of the mold board B, having a nearly 

 horizontal upper edge b 3 , terminating in a 

 curved arm b 4 , encircling and lying above the 

 lower end of the roller, roller c, having a cavi- 

 ty in its lowei end, roller shaft e, having the 

 recess n, slotted adjustable arm a', having 

 a socket or bearing at its outer end, and key 

 m, the whole constructed, arranged, and oper- 

 ated in the manner and for the purpose set 

 forth. 



234,251. HENRY A CURRIER, Al- 



mont, Mich. Jointers for Plows. Nov. 9, 

 1880. Filed Sep. 15, 1880. 



Claim. 1. The combination of a plow- 

 point having a vertical cutting-edge with a 

 jointer which is applied directly to the side of 

 the cutting-edge, substantially as shown. 



2. The combination of a plow-point having 

 a vertical cutting-edge, B, and a jointer which 

 is applied directly to this edge, the jointer 

 being provided with a flange and the edge 

 with a corresponding groove in which the 

 flange fits, whereby the jointer is kept straight, 

 substantially as specified. 



3. The combination of a plow-point having 

 a vertical cutting-edge, B, and clamping-bolt, 

 C, a plow-jointer consisting of the two parts 

 D F, which are united together, the part F 

 being provided with the slot O, through which 

 the clamping-bolt passes, and by means of 

 which slot the jointer can be adjusted up and 

 down, substantially as shown and described. 



238,115. CHARLES R. HARTMAN, 



Vincennes, Ind. Colters. Feb. 22, 1881. 



Filed Dec. 30, 1880. 



Claim. 1. The cheek-piece E, having slots 

 c 2 and b and reduced end/', cheek-piece D, 

 having slots d 2 and d, in combination with 

 clamps G and rods A, substantially as and for 

 the purpose set forth. 



2. The slotted arm F b, secured to the cheek- 

 pieces E D, in combination with a laterally- 

 adjustable colter, as set forth. 



241,086. GARLAND B. ST. JOHN, 



Cedar Rapids, Iowa. Plows. May 3,1881. 



Filed Feb. n, i88r. 



The revolving concavo-convex disk supplies 

 the place of the front part of the share and 

 mold-board, both of which are cut away as 

 shown. 



Claim. 1. In a plow, the half-share and 

 mold-board C, cut away at c' in front on a cur- 



