BEAMS. 



21 



arms to receive the several rods, and a concave 

 base to rock upon the spherical head of the 

 standard, and with slotted plates at the handle 

 end for the two adjustments. 



Claim, i. The combination, with the plow- 

 standard A, surmounted by a semi-spherical 

 head having a conical hole, and provided with 

 the open chamber b, of the cap B, concave on 

 its under face, and provided with hole d, par- 

 allel ribs e, and channel c, bifurcated extension 

 D, having base-plate k, skeleton-beam C, and 

 bolt n, whereby the skeleton-beam is secured 

 to the standard by a universal joint, substan- 

 tially as described. 



2. The combination of the standard A, 

 having a convex head, and chamber b, cap B, 

 constructed as set forth, bifurcated extension 

 D, and skeleton-beam C, with the slotted 

 handle-brace F, plate E, having slot o and ear 

 r, and bolts n m s, substantially as described, 

 and for the purpose set forth. 



246,363. ALBERT BALL, Canton, 

 Ohio. Plow-Beams. Aug. 30, 1881. Filed 

 Feb. 25, 1881. 



Claim. 1. A metal plow-beam of V-shaped 

 form in cross-section, the sides thereof having 

 upon their interior strengthening-flanges, sub- 

 stantially as and for the purpose set forth. 



2. A metal plow-beam of V-shaped form in 

 cross-section, the sides thereof increasing in 

 thickness from its vertex to its outer edges, 

 substantially as and for the purpose specified. 



3. A metal plow-beam of V-shape in cross- 

 section, having its sides increasing in thickness 

 from its vertex to its outer edges, the interior 

 of the sides of said beam being formed with 

 strengthening shoulders or flanges, substan- 

 tially as and for the purpose set forth. 



253,055. FRANKLIN B. HUNT, Rich- 

 mond, assignor of one- half to D. B. Rob- 

 bins, Economy, Ind. Plows. Jan. 31, 1882. 

 Filed July 5, 1881. 



Claim. 1. In a plow, the beam A, formed 

 with a broad solid rear end, and bent down- 

 wardly and laterally and closely fitting the 

 mold-board, and extending down beneath the 

 wing of the plowshare, and bolted to the wing 

 of the share and mold-board, respectively, and 

 independently of each other, and having a 

 downwardly-turned portion, F, to which the 

 landside of the share is bolted, substantially in 

 the manner as and for the purpose herein 

 shown and described. 



2. In a plow, the beam A, formed with a 

 broad and solid rear end, and bent down- 

 wardly and latterly to closely fit the mold-board 

 and share, and arranged parallel with and be- 

 tween the land-side D and the line A', and 

 bolted to the mold-board and wing of the 

 share independently of each other, substan- 

 tially in the manner as and for the purpose 

 herein shown and described. 



253,407. JOHN A. M'NEAL, Mont- 

 gomery County, Md. Clamps for Plow- 

 Beams. Feb. 7, 1881. Filed Dec. 20, 1881. 



Claim. 1. A strengthening-clamp for plow- 

 beams, constructed substantially as described, 

 combining a straining-rod, a tightening device, 

 and bearings for the rod, and adapted to be ap- 

 plied to and removed from the plow-beam, as 

 set forth. 



2. The combination, with a plow-beam, of 

 a strengthening-clamp composed of a straining- 

 rod, a tightening device, and bearings for the 

 rod, substantially as described, whereby the 

 beam may be re-enforced temporarily or per- 

 manently, as described, without interferring 

 with the standard or attachments of the plow. 



3. The combination, with the plow-beam, 

 straining rod, tightening device, and bearings, 

 of a grooved metallic plate or plates applied 

 at or near the end of the beam, substantially 

 as described. 



4. A strengthening-clamp for plow-beams, 

 composed of a U-shaped straining-rod adapted 

 to run each side of the plow-beam, a tighten- 

 ing device, and bearings for the rod, substan- 

 tially as described. 



5. In a clamp for strengthening a plow- 

 beam, the combination of a U-shaped straining 

 rod, a t^ghtening-screw or its equivalent, bear- 

 ings for the rod, and bearing-plates at or near 

 the ends of the beam, substantially as de- 

 scribed. 



263,528. JOHN A. JOHNSON, Madi- 

 son, Wis. Plow-Beams. Aug. 29, 1882. 

 Filed Apr. 10, 1882.. 



Claim. A tubular plow-beam and standard 

 composed of a single metallic tube suitably 

 bent and shaped to form the beam and stand- 

 ard in one piece, the part forming the beam 

 being circular and the part forming the stand- 

 ard oval in cross-section by flattening it side- 

 wise, as set forth. 



267,061. WILLIAM C. CHAMBER- 

 LAIN, Dubuque, Iowa. Plow-Beams. Nov. 

 7, 1882. Filed June 22, 1882. 

 Claim. 1. A wrought-metal beam, A, con- 

 structed with the thick portion a and thin por- 

 tions a! a 2 , substantially as described. 



2. In a metal beam, A, the combination of 

 the thin portion a' , thick portion a, thin por- 

 tion a 2 , and widened foot b, substantially as 

 and for the purpose described. 



3. A metal beam comprising the thick por- 

 tion a, thin portions a' and a 2 , which latter 

 are terminated in the clevis-attaching portion 

 c and the plow-attaching portion b, and the 

 metal forming the entire beam formed and 

 proportioned substantially as and for the pur- 

 pose described. 



4. The combination, with the beam having 

 the thick portion a, thin portions a' a 2 , and 

 the portions b c, of the plow-handle braces^, 

 substantially as and for the purpose described. 



5. The combination, with the beam having 

 the thick portion a, thin portions a' a 2 , and 

 the portions b c, of the clevis D and clevis- 

 brace /, which latter is attached at d 2 to the 

 thin portion a' , at a point above the thick 



