52 



CLEVISES. 



P>. at the point a, underneath the share, as 

 and for the purpose herein described. 



2. A clevis made in two parts, with dove- 

 tailed recess cast therein so as to fit a dovetail 

 or shoulder formed on the end of the beam and 

 united thereto by a bolt or key, substnatially 

 as herein described and represented. 



68.200. HANFORDINGRAHAM, Na- 

 ples, N. Y. Plow-Clevises. Aug. 27, 1867. 

 The slotted reversible draft clevis is elon- 

 gated sufficiently to allow the horse to walk 

 clear of the furrow in side hill plowing. 



Claim. The clevis as constructed substan- 

 tially in the manner and for the purpose as 

 herein set forth. 



68,545. HARRISON W. AUSTIN and 

 WM. SHAW, Kalamazoo, Mich. Plow- 

 Clevises. Sep. 3, 1867. 

 The vertical bar of the clevis has a supple- 

 mentary hook on its upper ami for the attach- 

 ment of a whiffie-tree for a third horse. 



Claim. The construction and arrangement 

 of the vertical bar A, double tree D, single 

 tree E E and F, as herein described for the 

 purpose specified. 



70,351. JACOB NEWHART, Terre 



Haute, Ind. Plow-Clevises. Oct. 29, 1867. 



The long oscillating clevis with its attaching 

 bolts regulates the inclination of the draft. 



Claim. I. The oscillating plow-clevis, Figs. 

 1 and 2, in the manner set forth. 



2. The regulating bolt C, in connection 

 with the looped T segment, Figs. 123 and 4, 

 substantially as set forth and herein explained. 



78,542. ROGER SANDIFORD, Joliet, 



111. Plow-Clevises. June 2, 1868. 



The double, segmental clevis has a row of 

 holes in order that the reversible, transverse 

 clevis may be regulated as to height by the 

 bolt passing through the said double clevis. 

 The device enables the depth of penetration 

 to be varied, and also affords facilities for 

 changing the lateral direction of the plow. 



Claim. 1. The double, segmental clevis a, 

 when constructed, operating, and arranged as 

 and for the purposes set forth, 



2. The transverse, oscillating clevis e, when 

 constructed and arranged as and for the pur- 

 poses described. 



3. The combination and arrangement of the 

 segmental clevis a and transverse, oscillating 

 clevis e, when arranged, constructed, and op- 

 erating as and for the purposes set forth. 



78,775. THOMAS P. WARREN, Nor- 

 folk, Va., assignor to D. W. Warren. Clev- 

 is-Iron. June 9, 1868. 



A plate provided with holes is attached to a 

 bent rod or bar, which forms the clevis, so 

 that by placing the plate in a horizontal or a 

 vertical position, and adjusting the attachment 

 of the same, the plow may be made to cut a 

 deep or a shallow furrow, or be made to make 

 more or less land, at pleasure. 



Claim. 1. The combination of the perfor- 



ated plate D with the bent rod C, when the 

 said parts are constructed to operate in the 

 manner set forth. 



2. In combination with a perforated draught 

 plate D and a rod or link, C, for attaching it 

 to the plow-beam, the screw nuts nn, by which 

 the plate can be adjusted back and forth on 

 the rods or link, so as to cause the plow to 

 run more or less to land, in the manner de- 

 scribed. 



78,868. CHARLES R. ELMER, Bridge- 

 ton, N. J. Single-Tree Braces. June 16, 

 1868. 



The single-tree is hooked to the chain at a 

 point unequal in distance from the clevis to the 

 width of the furrow, so as to enable the horse 

 to walk in the furrow instead of on the land- 

 side. 



Claim. The combination and arrangement 

 of the chain C and brace E with the beam A 

 and single-tree F, substantially upon the prin- 

 ciple above described, and for the purpose set 

 forth. 



81,731. JOHN BALL, Canton, Ohio. 



Clevises for Plows. Sep. 1, 1868. 



The clevis is made yielding, and so arranged 

 with a spring as to prevent injury to the plow 

 or team in case of an obstruction. 



Claim. 1. The clevis C, constructed as de- 

 scribed, in combination with the adjustable 

 loops D D, for the purpose of raising or low- 

 ering the front end of the clevis, substantially 

 as herein set forth. 



2. The levers B B, pivoted to the sides of 

 the plow-beam A, and their lower ends pivoted 

 to the rear ends of the clevis C, in combina- 

 tion with the rod F and spring G, constructed 

 as described, and operating substantially as 

 and for the purposes herein set forth. 



87,421. E. Gk MATTHEWS, Newton, 

 Mass. Plow-Clevises. Mar. 2, 1869. 

 Claim. 1. The combination of flanges b d 



with one or both of the side-pieces B of the 



clevis, substantially as and for the purposes set 



forth. 



2. The combination with the front piece D 

 of an eye or ring H, as and for the purposes 

 stated. 



3. The combination with the plow-beam A 

 and front piece D of a side-draught rod K, 

 substantially as and for the purposes set forth. 



4. The combination with the joint-bolt G of 

 a catch-spring in, substantially as shown and 

 described. 



87,458. JOHN BALL, Canton, Ohio. 



Plow-Clevises. Mar. 2, 1869. 



Claim. A spring-link for plow-clevises, 

 formed of one piece of metal, in the form 

 substantially as shown, with a hook at one end 

 and an eye at the other, substantially for the 

 purposes specified. 



82,764. DAVID STEWART, Corinna, 

 Me. Clevises for Plows. Oct. 6, 1868. 

 Claim. In combination with the spiral 



