8j8 



COLTERS. 



2. The combination of the perforated stand- 

 ard B with brace C, provided, respectively, 

 with the heads B' and C', and laterally-adjust- 

 able on the under side of the plow : beam, the 

 flange h, and the perforated jointer-arm F with 

 flange I, all constructed substantially as and 

 for the purposes herein set forth. 



200,842. JOSHUA PIERPONT, Bush- 

 . nell, 111., assignor to Pierpont & Tuttle, 



same place. Plow-Colters. Mar. 5, 1878. 



Filed Dec. 31, 1877. 



Tapering false journals are placed upon and 

 turn with -the journal proper. The yoke is in 

 two parts, between which is placed packing in 

 the upper socket, so that the two parts may be 

 drawn together to compensate for the wear of 

 the journals. 



Claim. 1. The substitutive journals D, ar- 

 ranged to operate with bosses B B', having pro- 

 jections b, on which the jonrnals D are fixed, 

 and with the colter A, substantially as and for 

 the purpose specified. 



2. The substitutive tapering journals D, ar- 

 ranged to operate with similarly-shaped op- 

 posed bearings in the limbs E' of the yoke E, 

 and seated on the projections b from the bosses 

 B B', substantially as and for the purpose spec- 

 ified. 



3. The yoke E, made in two parts E' E', ad- 

 justable at both ends, in combination with 

 tapering journals D and colter A, substantially 

 as described, and for the purpose specified. 



201,470. EDMUND WANSBROUGH 

 and WM. W. SPEER, Pittsburgh, Pa., 

 assignors to Alexander Speer & Sons, same 

 place. Plow-Cutters. Mar. 19, 1878. Filed 

 Feb. 5, 1878. 



Claim. 1. The combination, with the cut- 

 ter-stem formed with a central rib upon one or 

 both of its sides, of the counterpart grooved 

 plate or plates, and mechanism for adjustably 

 clamping the same to a plow-beam in inclina- 

 tion to or from the land, substantially as set 

 forth. ' 



2. The combination, with the cutter formed 

 with a central rib upon both its sides, of the 

 two clamping-plates made with counterpart 

 grooves, the clamp, and screw-bolts, or their 

 equivalent, said inner clamping-plate having 

 a rocking bearing, and provided with eye form- 

 ations at its diagonally-opposite ends, substan- 

 tially as set forth. 



8,888. EDMUND WANSBROUGH 

 and WILLIAM W. SPEER, Pittsburgh, 

 Pa., assignors to Alexander Speer & Sons. 

 Plow-Cutters. Patent 201,470, dated Mar. 

 19, 1878. Reissued Sep. 9, 1879. Fil ed 

 July n, 1879. 



Claim. 1. .In a plow-beam attachment, the 

 combination, with an inner plate. and an outer 

 plate, of a stem secured between the two, and 

 a beam-clamp which fastens the plates together, 

 one or both eides of said stem being provided 



with a rib, which fits in a counterpart groove 

 formed in said plate or plates, substantially as 

 set forth. 



2. In a plow-beam attachment, the combi- 

 nation, with a stem having a central rib formed 

 on one or both of its sides, of a counterpart 

 grooved plate or plates, and mechanism which 

 adjustably clamps the frame to a plow-beam in 

 inclination to or from the land, substantially 

 as set forth. 



202,624. JOHN AUGSPURGER, 



Trenton, Ohio. Colters for Plows. Apr. 



23, 1878. Filed Nov. 16, 1877. 



Claim. The caster-hub B, having the lug 

 provided with recesses C C, in combination 

 with wrought metal straps E, for supporting 

 rotary cutter F, in the manner substantially as 

 described. 



203,668. CHAS. E. STELLER, Mil- 

 waukee, Wis. Colters. May 14, 1878. Filed 

 Jan. 28, 1878. 



The colter-shank has two sets of grooves on 

 each side, of varying widths. A block with a 

 tooth to fit each set of grooves adjusts the 

 pitch of the shank. Colter-yoke in. two parts, 

 each having a cap and stud, which meet in the 

 colter and form its axle. 



Claim. 1. In rotary caster-colters for plows', 

 the shank C, provided with adjusting grooves 

 D and E on each of its sides, substantially as 

 and for the purpose specified. 



2. The block H, provided with lugs F and 

 G, in combination with the shank C, substan- 

 tially as and for the purpose specified. 



3. The yoke M, constructed in two parts, 

 provided with caps Q, studs S, one of which 

 having its end countersunk, and the other 

 pointed to fit therein, and socket L, for the re- 

 ception of the shoulder K, in combination 

 with the colter-wheel O and shank C, as se- 

 cured together by bolt N, all substantially as 

 and for the purpose specified. 



206,334. EDWIN JARRELL, Thorn- 

 town, Ind., assignor of one-half his right to 

 Jas. T. McKim, same place. Plow-Colters. 

 July 23, 1878. Filed June 15, 1878. 

 Claim. The concavo-convex or spoon- 

 shaped colter E, with oval cutting-edge, 

 adapted to turn a shallow furrow on the land- 

 side beyond the plane of the furrow, having 

 adjusting-shank D, provided on its rear edge 

 with notches d, combined with the beam A, 

 clamp C C, and wedge/", as specified. 



206,818. JAMES OXENFORD, Kala- 

 mazoo, Mich. Plow-Colters. Aug. 6, 1878, 

 Filed June 29, 1878. 



The jointer-arm adjustably upon the plow- 

 standard and also upon the jointer. 



Claim. The combination of the adjustable 

 colter-beam B, having roughened surfaces on. 

 opposite sides, as shown, and slots to secure 



